OMEPRAZOLE- omeprazole_capsule, delayed release

Omeprazole belongs to a class of antisecretory compounds, the substituted benzimidazoles, that suppress gastric acid secretion by specific inhibition of the H+/K+ ATPase enzyme system at the secretory surface of the gastric parietal cell. Because this enzyme system is regarded as the acid (proton) pump within the gastric mucosa, omeprazole has been characterized as a gastric acid-pump inhibitor, in that it blocks the final step of acid production. This effect is dose-related and leads to inhibition of both basal and stimulated acid secretion irrespective of the stimulus. Antisecretory Activity + + Results from numerous studies of the antisecretory effect of multiple doses of 20 mg and 40 mg of omeprazole in healthy subjects and patients are shown below. The “max” value represents determinations at a time of maximum effect (2 to 6 hours after dosing), while “min” values are those 24 hours after the last dose of omeprazole. Table 5: Range of Mean Values from Multiple Studies of the Mean Antisecretory Effects of Omeprazole After Multiple Daily Dosing Parameter Omeprazole 20 mg Omeprazole 40 mg Max Min Max Min % Decrease in Basal Acid Output 78 Single Studies 58 to 80 94 80 to 93 % Decrease in Peak Acid Output 79 50 to 59 88 62 to 68 % Decrease in 24en dashhr Intragastric Acidity 80 to 97 92 to 94 Single daily oral doses of omeprazole ranging from a dose of 10 mg to 40 mg have produced 100% inhibition of 24-hour intragastric acidity in some patients. Serum Gastrin Effects 2 Increased gastrin causes enterochromaffin-like cell hyperplasia and increased serum Chromogranin A (CgA) levels. The increased CgA levels may cause false positive results in diagnostic investigations for neuroendocrine tumors [see Warnings and Precautions (5. 11) Enterochromaffin-like (ECL) Cell Effects Other Effects No effect on gastric emptying of the solid and liquid components of a test meal was demonstrated after a single dose of omeprazole 90 mg. In healthy subjects, a single intravenous dose of omeprazole (0. 35 mg/kg) had no effect on intrinsic factor secretion. No systematic dose-dependent effect has been observed on basal or stimulated pepsin output in humans. However, when intragastric pH is maintained at 4 or above, basal pepsin output is low, and pepsin activity is decreased. As do other agents that elevate intragastric pH, omeprazole administered for 14 days in healthy subjects produced a significant increase in the intragastric concentrations of viable bacteria. The pattern of the bacterial species was unchanged from that commonly found in saliva. All changes resolved within three days of stopping treatment. The course of Barrett’s esophagus in 106 patients was evaluated in a U. double-blind controlled study of omeprazole 40 mg twice daily for 12 months followed by 20 mg twice daily for 12 months or ranitidine 300 mg twice daily for 24 months. No clinically significant impact on Barrett’s mucosa by antisecretory therapy was observed. Although neosquamous epithelium developed during antisecretory therapy, complete elimination of Barrett’s mucosa was not achieved. No significant difference was observed between treatment groups in development of dysplasia in Barrett’s mucosa and no patient developed esophageal carcinoma during treatment. No significant differences between treatment groups were observed in development of ECL cell hyperplasia, corpus atrophic gastritis, corpus intestinal metaplasia, or colon polyps exceeding 3 mm in diameter. Omeprazole is a time-dependent inhibitor of CYP2C19, resulting in autoinhibition and nonlinear pharmacokinetics. The systemic exposure increases in a more than dose proportional manner after multiple oral doses of omeprazole. Compared to the first dose, the systemic exposure (C max 0-24h Absorption The bioavailability of omeprazole increases slightly upon repeated administration of omeprazole delayed-release capsules. The systemic exposure (C max max Distribution Elimination Excretion Combination Therapy with Antimicrobials max 0-24 1/2 The plasma concentrations of clarithromycin and 14-hydroxy-clarithromycin were increased by the concomitant administration of omeprazole. For clarithromycin, the mean C max min 0-8 max min 0-8 Table 6: Clarithromycin Tissue Concentrations 2 hours after Dose mean +/- SD (mcg/g) Tissue Clarithromycin Clarithromycin + Omeprazole Antrum 10. 01 (n = 5) 19. 71 (n=5) Fundus 20. 64 (n = 5) 24. 37 (n= 5) Mucus 4. 74 (n = 4) 39. 79 (n=4) Specific Populations Age: Pediatric Population 2 to 16 Years of Age Table 7: Pharmacokinetic Parameters of Omeprazole Following Single and Repeated Oral Administration in Pediatric Populations Compared with Adults Single or Repeated Oral Dosing /Parameter Children Data from single and repeated dose studies. Doses of 10, 20 and 40 mg omeprazole as enteric-coated granules. <= 20 kg 2 to 5 years 10 mg Children > 20 kg 6 to 16 years 20 mg Adults Data from a single and repeated dose study. (mean 76 kg) 23 to 29 years (n=12) Single Dosing C max Plasma concentration adjusted to an oral dose of 1 mg/kg. 288 (n=10) 495 (n=49) 668 AUC 511 (n=7) 1140 (n=32) 1220 Repeated Dosing C max 539 (n=4) 851 (n=32) 1458 AUC 1179 (n=2) 2276 (n=23) 3352 Following comparable mg/kg doses of omeprazole, younger children (2 to 5 years of age) have lower AUCs than children 6 to 16 years of age or adults; AUCs of the latter two groups did not differ [see Dosage and Administration (2) Race/Ethnicity [See Clinical Pharmacology (12. 5) Renal Impairment 2 Hepatic Impairment [see Dosage and Administration (2. 1) Use in Specific Populations (8. 6) Drug Interaction Studies Antiretrovirals [see Drug Interactions (7) Rilpivirine: max min Nelfinavir: max min Atazanavir: max min Saquinavir: AUC was increased by 82%, C max min Clopidogrel Results from another crossover study in healthy subjects showed a similar pharmacokinetic interaction between clopidogrel (300 mg loading dose/75 mg daily maintenance dose) and omeprazole 80 mg daily when co-administered for 30 days. Exposure to the active metabolite of clopidogrel was reduced by 41% to 46% over this time period. In another study, 72 healthy subjects were given the same doses of clopidogrel and 80 mg omeprazole but the drugs were administered 12 hours apart; the results were similar, indicating that administering clopidogrel and omeprazole at different times does not prevent their interaction [see Warnings and Precautions (5. 7) Drug Interactions (7) Mycophenolate Mofetil max [see Drug Interactions (7) Cilostazol max max [see Drug Interactions (7) Diazepam [see Drug Interactions (7) Digoxin [see Drug Interactions (7) Effect of Other Drugs on Omeprazole Voriconazole max 0-24 [see Drug Interactions (7) Omeprazole and clarithromycin dual therapy and omeprazole, clarithromycin and amoxicillin triple therapy have been shown to be active against most strains of Helicobacter pylori in vitro [see Indications and Usage (1. 2) Clinical Studies (14. 2) Helicobacter pylori H. pylori Standardized susceptibility test procedures require the use of laboratory control microorganisms to control the technical aspects of the laboratory procedures. Pretreatment Resistance Amoxicillin pretreatment susceptible isolates (<= 0. 25 mcg/mL) were found in 99. 3% (436/439) of the patients in the omeprazole/clarithromycin/amoxicillin triple therapy studies (1, 2, and 3). Amoxicillin pretreatment minimum inhibitory concentrations (MICs) > 0. 25 mcg/mL occurred in 0. 7% (3/439) of the patients, all of whom were in the clarithromycin and amoxicillin study arm. One patient had an unconfirmed pretreatment amoxicillin minimum inhibitory concentration (MIC) of > 256 mcg/mL by Etest registered Table 8: Clarithromycin Susceptibility Test Results and Clinical/Bacteriological Outcomes Clarithromycin Susceptibility Test Results and Clinical/Bacteriological Outcomes Includes only patients with pretreatment clarithromycin susceptibility test results. Clarithromycin Pretreatment Results Clarithromycin Post-treatment Results H. pylori S Susceptible (S) MIC <= 0. 25 mcg/mL, Intermediate (I) MIC 0. 5 to 1 mcg/mL, Resistant (R) MIC >= 2 mcg/mL. I R No MIC Dual Therapy en dash (omeprazole 40 mg once daily/clarithromycin 500 three times daily for 14 days followed by omeprazole 20 mg once daily for another 14 days) (Studies 4, 5) Susceptible 108 72 1 26 9 Intermediate 1 1 Resistant 4 4 Triple Therapy en dash (omeprazole 20 mg twice daily/clarithromycin 500 mg twice daily/amoxicillin 1 g twice daily for 10 days en dash Studies 1, 2, 3; followed by omeprazole 20 mg once daily for another 18 days en dash Studies 1, 2) Susceptible 171 153 7 3 8 Intermediate Resistant 14 4 1 6 3 Patients not eradicated of H. pylori Amoxicillin Susceptibility Test Results and Clinical/Bacteriological Outcomes H. pylori Susceptibility Test for Helicobacter pylori Helicobacter pylori Effects on Gastrointestinal Microbial Ecology Salmonella Campylobacter Clostridium difficile. CYP2C19, a polymorphic enzyme, is involved in the metabolism of omeprazole. The CYP2C19*1 allele is fully functional while the CYP2C19*2 and *3 alleles are nonfunctional. There are other alleles associated with no or reduced enzymatic function. Patients carrying two fully functional alleles are extensive metabolizers and those carrying two loss-of-function alleles are poor metabolizers. In extensive metabolizers, omeprazole is primarily metabolized by CYP2C19. The systemic exposure to omeprazole varies with a patient’s metabolism status: poor metabolizers > intermediate metabolizers > extensive metabolizers. Approximately 3% of Caucasians and 15 to 20% of Asians are CYP2C19 poor metabolizers. In a pharmacokinetic study of single 20 mg omeprazole dose, the AUC of omeprazole in Asian subjects was approximately four-fold of that in Caucasians [see Dosage and Administration (2.

Omeprazole is a proton pump inhibitor (PPI) indicated for the: (1. 1) Helicobacter pylori (1. 2) (1. 3) (1. 4) (1. 6) (1. 7) Omeprazole delayed-release capsules are indicated for short-term treatment of active duodenal ulcer in adults. Most patients heal within four weeks. Some patients may require an additional four weeks of therapy. Eradication of H. pylori Triple Therapy H. pylori Dual Therapy H. pylori Among patients who fail therapy, omeprazole delayed-release capsules with clarithromycin are more likely to be associated with the development of clarithromycin resistance as compared with triple therapy. In patients who fail therapy, susceptibility testing should be done. If resistance to clarithromycin is demonstrated or susceptibility testing is not possible, alternative antimicrobial therapy should be instituted [see Clinical Pharmacology (12. 4) Omeprazole delayed-release capsules are indicated for short-term treatment (4 to 8 weeks) of active benign gastric ulcer in adults. Omeprazole delayed-release capsules are indicated for the treatment of heartburn and other symptoms associated with GERD for up to 4 weeks in patients 2 years of age and older. Pediatric Patients 2 Years of Age to Adults The efficacy of omeprazole delayed-release capsules used for longer than 8 weeks in patients with EE has not been established. If a patient does not respond to 8 weeks of treatment, an additional 4 weeks of treatment may be given. If there is recurrence of EE or GERD symptoms (e. , heartburn), additional 4 to 8 week courses of omeprazole delayed-release capsules may be considered. Omeprazole delayed-release capsules are indicated for the maintenance healing of EE due to acid-mediated GERD in patients 2 years of age and older. Controlled studies do not extend beyond 12 months. Omeprazole delayed-release capsules are indicated for the long-term treatment of pathological hypersecretory conditions (e. , Zollinger-Ellison syndrome, multiple endocrine adenomas and systemic mastocytosis) in adults.

DOSAGE AND ADMINISTRATION
Indication Recommended Adult (2. 2) Treatment of Active Duodenal Ulcer 20 mg once daily for 4 weeks; some patients may require an additional 4 weeks (2. pylori Triple Therapy: Omeprazole delayed-release capsules Amoxicillin Clarithromycin 20 mg 1000 mg 500 mg Each drug twice daily for 10 days (2. 1) Dual Therapy: Omeprazole delayed-release capsules Clarithromycin 40 mg once daily for 14 days** 500 mg three times daily for 14 days (2. 1) Active Benign Gastric Ulcer 40 mg once daily for 4 to 8 weeks (2. 1) Symptomatic GERD 20 mg once daily for up to 4 weeks (2. 1) See full prescribing information for weight based dosing in pediatric patients 2 years of age and older (2. 2) EE due to Acid-Mediated GERD 20 mg once daily for 4 to 8 weeks (2. 1) Maintenance of Healing of EE due to Acid-Mediated GERD 20 mg once daily (2. 2) Pathological Hypersecretory Conditions Starting dose is 60 mg once daily (varies with individual patient, see full prescribing information) as long as clinically indicated (2. 1) * if ulcer present, continue omeprazole delayed-release capsules 20 mg once daily for an additional 18 days. 7 Table 1 shows the recommended dosage of omeprazole delayed-release capsules in adult patients by indication. Table 1: Recommended Dosage Regimen of Omeprazole Delayed-Release Capsules in Adults by Indication Indication Dosage of Omeprazole Delayed-Release Capsules Treatment Duration Treatment of Active Duodenal Ulcer 20 mg once daily 4 weeks Most patients heal within 4 weeks; some patients may require an additional 4 weeks of therapy to achieve healing Helicobacter pylori Triple Therapy Omeprazole delayed-release capsules 20 mg Amoxicillin 1000 mg Clarithromycin 500 mg Take all three drugs twice daily 10 days In patients with an ulcer present at the time of initiation of therapy, continue omeprazole delayed-release capsules 20 mg once daily for an additional 18 days for ulcer healing and symptom relief. Dual Therapy Omeprazole delayed-release capsules 40 mg once daily Clarithromycin 500 mg three times daily 14 days In patients with an ulcer present at the time of initiation of therapy, an additional 14 days of omeprazole delayed-release capsules 20 mg once daily is recommended for ulcer healing and symptom relief. Active Benign Gastric Ulcer 40 mg once daily 4 to 8 weeks Treatment of Symptomatic GERD 20 mg once daily Up to 4 weeks Treatment of EE due to Acid-Mediated GERD 20 mg once daily 4 to 8 weeks The efficacy of omeprazole delayed-release capsules used for longer than 8 weeks in patients with EE has not been established. If a patient does not respond to 8 weeks of treatment, an additional 4 weeks of treatment may be given. If there is recurrence of EE or GERD symptoms (e. , heartburn), additional 4 to 8 week courses of omeprazole delayed-release capsules may be considered. Maintenance of Healing of EE due to Acid-Mediated GERD 20 mg once daily Dosage reduction to 10 mg once daily is recommended for patients with hepatic impairment (Child-Pugh Class A, B or C) and Asian patients when used for the maintenance of healing of EE [see Use in Specific Populations 8. 7 and Clinical Pharmacology 12. Controlled studies do not extend beyond 12 months. Pathological Hypersecretory Conditions Starting dose is 60 mg once daily; adjust to patient needs Daily dosages of greater than 80 mg should be administered in divided doses. Dosages up to 120 mg three times daily have been administered. As long as clinically indicated. Some patients with Zollinger-Ellison syndrome have been treated continuously for more than 5 years. Table 2 shows the recommended dosage of omeprazole delayed-release capsules in pediatric patients by indication. Table 2: Recommended Dosage Regimen of Omeprazole Delayed-Release Capsules in Pediatric Patients by Indication Indication Omeprazole Delayed-Release Capsules Dosage Regimen and Duration Patient Age Weight-Based Dose (mg) Regimen and Duration Treatment of Symptomatic GERD 2 to 16 years 10 to less than 20 kg: 10 mg Once daily for up to 4 weeks 20 kg and greater: 20 mg Treatment of EE due to Acid-Mediated GERD 2 to 16 years 10 to less than 20 kg: 10 mg Once daily for 4 to 8 weeks The efficacy of omeprazole delayed-release capsules used for longer than 8 weeks in patients with EE has not been established. 20 kg and greater: 20 mg Maintenance of Healing of EE due to Acid-Mediated GERD 2 to 16 years 10 to less than 20 kg: 10 mg Once daily. Controlled studies do not extend beyond 12 months 20 kg and greater: 20 mg Omeprazole Delayed-Release Capsules .
INSTRUCTIONS FOR USE
Omeprazole (oh mep'' ra zole) Delayed-Release Capsules, USP Taking omeprazole delayed-release capsules with applesauce: Rx Only Dispense with medication guide. To order more medication guides call American Health Packaging at 1-800-707-4621. Distributed by: American Health Packaging Distributed By: Cardinal Health Dublin, OH 43017 L56601540424 8012801/1023F

The following serious adverse reactions are described below and elsewhere in labeling: [see Warnings and Precautions (5. 2) Clostridium difficile [see Warnings and Precautions (5. 3) [see Warnings and Precautions (5. 4) [see Warnings and Precautions (5. 6) [see Warnings and Precautions (5. 8) [see Warnings and Precautions (5. 9) [see Warnings and Precautions (5. 13) Adults: Most common adverse reactions in adults (incidence >=2%) are (6) Pediatric patients (2 to 16 years of age): (8. 4) To report SUSPECTED ADVERSE REACTIONS, contact Dr. Reddy’s Laboratories Inc. , at 1-888-375-3784 or FDA at 1-800-FDA-1088 or www. gov/medwatch Monotherapy The safety data described below reflects exposure to omeprazole delayed-release capsules in 3,096 patients from worldwide clinical trials (465 patients from U. studies and 2,631 patients from international studies). Indications clinically studied in U. trials included duodenal ulcer, resistant ulcer, and Zollinger-Ellison syndrome. The international clinical trials were double blind and open-label in design. The most common adverse reactions reported (i. , with an incidence rate >=2%) from omeprazole-treated patients enrolled in these studies included headache (7%), abdominal pain (5%), nausea (4%), diarrhea (4%), vomiting (3%), and flatulence (3%). Additional adverse reactions that were reported with an incidence >=1% included acid regurgitation (2%), upper respiratory infection (2%), constipation (2%), dizziness (2%), rash (2%), asthenia (1%), back pain (1%), and cough (1%). The clinical trial safety profile in patients greater than 65 years of age was similar to that in patients 65 years of age or less. The clinical trial safety profile in pediatric patients who received omeprazole delayed-release capsules was similar to that in adult patients. Unique to the pediatric population, however, adverse reactions of the respiratory system were frequently reported in the 2 to 16 year age group (19%). In addition, accidental injuries were frequently reported in the 2 to 16 year age group (4%) [see Use in Specific Populations (8. 4) In clinical trials using either dual therapy with omeprazole and clarithromycin, or triple therapy with omeprazole, clarithromycin, and amoxicillin, no adverse reactions unique to these drug combinations were observed. Adverse reactions observed were limited to those previously reported with omeprazole, clarithromycin, or amoxicillin alone. Dual Therapy (omeprazole/clarithromycin) Triple Therapy (omeprazole/clarithromycin/amoxicillin) The following adverse reactions have been identified during post-approval use of omeprazole. Because these reactions are voluntarily reported from a population of uncertain size, it is not always possible to reliably estimate their actual frequency or establish a causal relationship to drug exposure. Body As a Whole: Skin Cardiovascular: Endocrine: Gastrointestinal: Gastroduodenal carcinoids have been reported in patients with ZE syndrome on long-term treatment with omeprazole. This finding is believed to be a manifestation of the underlying condition, which is known to be associated with such tumors. Hepatic: Infections and Infestations:Clostridium difficile Metabolism and Nutritional disorders: [see Warnings and Precautions (5. 9) Musculoskeletal: Nervous System/Psychiatric: Respiratory: Skin: Special Senses: Ocular: Urogenital: Hematologic:.

[see Warnings and Precautions (5. 2) Adverse Reactions (6) [see Drug Interactions(7) (4) (4 7) (4).

Risk Summary Teratogenicity was not observed in animal reproduction studies with administration of oral esomeprazole (an enantiomer of omeprazole) magnesium in rats and rabbits during organogenesis with doses about 68 times and 42 times, respectively, an oral human dose of 40 mg esomeprazole or 40 mg omeprazole (based on body surface area for a 60 kg person). Changes in bone morphology were observed in offspring of rats dosed through most of pregnancy and lactation at doses equal to or greater than approximately 34 times an oral human dose of 40 mg esomeprazole or 40 mg omeprazole. When maternal administration was confined to gestation only, there were no effects on bone physeal morphology in the offspring at any age [see Data]. The estimated background risks of major birth defects and miscarriage for the indicated population are unknown. All pregnancies have a background risk of birth defect, loss or other adverse outcomes. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Data 2 A population-based retrospective cohort epidemiological study from the Swedish Medical Birth Registry, covering approximately 99% of pregnancies, from 1995 to 99, reported on 955 infants (824 exposed during the first trimester with 39 of these exposed beyond first trimester, and 131 exposed after the first trimester) whose mothers used omeprazole during pregnancy. The number of infants exposed in utero A population-based retrospective cohort study covering all live births in Denmark from 1996 to 2009, reported on 1,800 live births whose mothers used omeprazole during the first trimester of pregnancy and 837,317 live births whose mothers did not use any proton pump inhibitor. The overall rate of birth defects in infants born to mothers with first trimester exposure to omeprazole was 2. 6% in infants born to mothers not exposed to any proton pump inhibitor during the first trimester. A retrospective cohort study reported on 689 pregnant women exposed to either H 2 2 A small prospective observational cohort study followed 113 women exposed to omeprazole during pregnancy (89% with first trimester exposures). The reported rate of major congenital malformations was 4% in the omeprazole group, 2% in controls exposed to non-teratogens, and 2. 8% in disease-paired controls. Rates of spontaneous and elective abortions, preterm deliveries, gestational age at delivery, and mean birth weight were similar among the groups. Several studies have reported no apparent adverse short-term effects on the infant when single dose oral or intravenous omeprazole was administered to over 200 pregnant women as premedication for cesarean section under general anesthesia. Animal Data Esomeprazole No effects on embryo-fetal development were observed in reproduction studies with esomeprazole magnesium in rats at oral doses up to 280 mg/kg/day (about 68 times an oral human dose of 40 mg on a body surface area basis) or in rabbits at oral doses up to 86 mg/kg/day (about 42 times an oral human dose of 40 mg esomeprazole or 40 mg omeprazole on a body surface area basis) administered during organogenesis. A pre- and postnatal developmental toxicity study in rats with additional endpoints to evaluate bone development was performed with esomeprazole magnesium at oral doses of 14 to 280 mg/kg/day (about 3. 4 to 68 times an oral human dose of 40 mg esomeprazole or 40 mg omeprazole on a body surface area basis). Neonatal/early postnatal (birth to weaning) survival was decreased at doses equal to or greater than 138 mg/kg/day (about 34 times an oral human dose of 40 mg esomeprazole or 40 mg omeprazole on a body surface area basis). Body weight and body weight gain were reduced and neurobehavioral or general developmental delays in the immediate post-weaning timeframe were evident at doses equal to or greater than 69 mg/kg/day (about 17 times an oral human dose of 40 mg esomeprazole or 40 mg omeprazole on a body surface area basis). In addition, decreased femur length, width and thickness of cortical bone, decreased thickness of the tibial growth plate and minimal to mild bone marrow hypocellularity were noted at doses equal to or greater than 14 mg/kg/day (about 3. 4 times an oral human dose of 40 mg esomeprazole or 40 mg omeprazole on a body surface area basis). Physeal dysplasia in the femur was observed in offspring of rats treated with oral doses of esomeprazole magnesium at doses equal to or greater than 138 mg/kg/day (about 34 times an oral human dose of 40 mg esomeprazole or 40 mg omeprazole on a body surface area basis). Effects on maternal bone were observed in pregnant and lactating rats in the pre- and postnatal toxicity study when esomeprazole magnesium was administered at oral doses of 14 to 280 mg/kg/day (about 3. When rats were dosed from gestational day 7 through weaning on postnatal day 21, a statistically significant decrease in maternal femur weight of up to 14% (as compared to placebo treatment) was observed at doses equal to or greater than 138 mg/kg/day (about 34 times an oral human dose of 40 mg esomeprazole or 40 mg omeprazole on a body surface area basis). A pre- and postnatal development study in rats with esomeprazole strontium (using equimolar doses compared to esomeprazole magnesium study) produced similar results in dams and pups as described above. A follow up developmental toxicity study in rats with further time points to evaluate pup bone development from postnatal day 2 to adulthood was performed with esomeprazole magnesium at oral doses of 280 mg/kg/day (about 68 times an oral human dose of 40 mg on a body surface area basis) where esomeprazole administration was from either gestational day 7 or gestational day 16 until parturition. When maternal administration was confined to gestation only, there were no effects on bone physeal morphology in the offspring at any age. Risk Summary The safety and effectiveness of omeprazole have been established in pediatric patients 2 to 16 years for the treatment of symptomatic GERD, treatment of EE due to acid-mediated GERD, and maintenance of healing of EE due to acid-mediated GERD. Use of omeprazole in this age group is supported by adequate and well-controlled studies in adults and uncontrolled safety, efficacy and pharmacokinetic studies performed in pediatric and adolescent patients [see Clinical Pharmacology (12. 3) Clinical Studies (14. 8) In the pediatric population, adverse reactions of the respiratory system were frequently reported in the entire (2 to 16 years) age group. Accidental injuries were frequently reported in the 2 to 16 year age group [see Adverse Reactions (6. 1) The safety and effectiveness of omeprazole have not been established in: o o o o H. pylori o o Juvenile Animal Data A 28-day toxicity study with a 14-day recovery phase was conducted in juvenile rats with esomeprazole magnesium at doses of 70 to 280 mg/kg/day (about 17 to 68 times a daily oral human dose of 40 mg esomeprazole or 40 mg omeprazole on a body surface area basis). An increase in the number of deaths at the high dose of 280 mg/kg/day was observed when juvenile rats were administered esomeprazole magnesium from postnatal day 7 through postnatal day 35. In addition, doses equal to or greater than 140 mg/kg/day (about 34 times a daily oral human dose of 40 mg esomeprazole or 40 mg omeprazole on a body surface area basis), produced treatment-related decreases in body weight (approximately 14%) and body weight gain, decreases in femur weight and femur length, and affected overall growth. Comparable findings described above have also been observed in this study with another esomeprazole salt, esomeprazole strontium, at equimolar doses of esomeprazole. Omeprazole was administered to over 2000 elderly individuals (>= 65 years of age) in clinical trials in the U. There were no differences in safety and effectiveness between the elderly and younger subjects. Other reported clinical experience has not identified differences in response between the elderly and younger subjects, but greater sensitivity of some older individuals cannot be ruled out. Pharmacokinetic studies have shown the elimination rate was somewhat decreased in the elderly and bioavailability was increased. The plasma clearance of omeprazole was 250 mL/min (about half that of young volunteers) and its plasma half-life averaged one hour, about twice that of young healthy volunteers. However, no dosage adjustment is necessary in the elderly [see Clinical Pharmacology (12. 3) In patients with hepatic impairment (Child-Pugh Class A, B, or C) exposure to omeprazole substantially increased compared to healthy subjects. Dosage reduction of omeprazole to 10 mg once daily is recommended for patients with hepatic impairment for maintenance of healing of EE [see Dosage and Administration (2. 1) Clinical Pharmacology (12. 3) In studies of healthy subjects, Asians had approximately a four-fold higher exposure than Caucasians. Dosage reduction of omeprazole to 10 mg once daily is recommended for Asian patients for maintenance of healing of EE [see Dosage and Administration (2.

Tables 3 and 4 include drugs with clinically important drug interactions and interaction with diagnostics when administered concomitantly with omeprazole and instructions for preventing or managing them. Consult the labeling of concomitantly used drugs to obtain further information about interactions with PPIs. Table 3: Clinically Relevant Interactions Affecting Drugs Co-Administered with Omeprazole and Interaction with Diagnostics Antiretrovirals Clinical Impact: The effect of PPIs on antiretroviral drugs is variable. The clinical importance and the mechanisms behind these interactions are not always known. [see Clinical Pharmacology (12. 3) [see Clinical Pharmacology (12. 3) Intervention: Rilpivirine-containing products: Concomitant use with omeprazole is contraindicated [see Contraindications (4) Atazanavir: Avoid concomitant use with omeprazole. See prescribing information for atazanavir for dosing information. Nelfinavir: Avoid concomitant use with omeprazole. See prescribing information for nelfinavir. Saquinavir: See the prescribing information for saquinavir for monitoring of potential saquinavir-related toxicities. Other antiretrovirals: See prescribing information for specific antiretroviral drugs. Warfarin Clinical Impact: Increased INR and prothrombin time in patients receiving PPIs, including omeprazole, and warfarin concomitantly. Increases in INR and prothrombin time may lead to abnormal bleeding and even death. Intervention: Monitor INR and prothrombin time and adjust the dose of warfarin, if needed, to maintain target INR range. Methotrexate Clinical Impact: Concomitant use of omeprazole with methotrexate (primarily at high dose) may elevate and prolong serum concentrations of methotrexate and/or its metabolite hydroxymethotrexate, possibly leading to methotrexate toxicities. No formal drug interaction studies of high-dose methotrexate with PPIs have been conducted [see Warnings and Precautions (5. 12) Intervention: A temporary withdrawal of omeprazole may be considered in some patients receiving high-dose methotrexate. CYP2C19 Substrates (e. , clopidogrel, citalopram, cilostazol, phenytoin, diazepam) Clopidogrel Clinical Impact: Concomitant use of omeprazole 80 mg results in reduced plasma concentrations of the active metabolite of clopidogrel and a reduction in platelet inhibition [see Clinical Pharmacology (12. 3) There are no adequate combination studies of a lower dose of omeprazole or a higher dose of clopidogrel in comparison with the approved dose of clopidogrel. Intervention: Avoid concomitant use with omeprazole. Consider use of alternative anti-platelet therapy [see Warnings and Precautions (5. 7) Citalopram Clinical Impact: Increased exposure of citalopram leading to an increased risk of QT prolongation [see Clinical Pharmacology (12. 3) Intervention: Limit the dose of citalopram to a maximum of 20 mg per day. See prescribing information for citalopram. Cilostazol Clinical Impact: Increased exposure of one of the active metabolites of cilostazol (3,4-dihydro-cilostazol) [see Clinical Pharmacology (12. 3) Intervention: Reduce the dose of cilostazol to 50 mg twice daily. See prescribing information for cilostazol. Phenytoin Clinical Impact: Potential for increased exposure of phenytoin. Intervention: Monitor phenytoin serum concentrations. Dose adjustment may be needed to maintain therapeutic drug concentrations. See prescribing information for phenytoin. Diazepam Clinical Impact: Increased exposure of diazepam [see Clinical Pharmacology (12. 3) Intervention: Monitor patients for increased sedation and reduce the dose of diazepam as needed. Digoxin Clinical Impact: Potential for increased exposure of digoxin [see Clinical Pharmacology (12. 3) Intervention: Monitor digoxin concentrations. See digoxin prescribing information. Drugs Dependent on Gastric pH for Absorption (e. , iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole) Clinical Impact: Omeprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity. Intervention: Mycophenolate mofetil (MMF): Co-administration of omeprazole in healthy subjects and in transplant patients receiving MMF has been reported to reduce the exposure to the active metabolite, mycophenolic acid (MPA), possibly due to a decrease in MMF solubility at an increased gastric pH. The clinical relevance of reduced MPA exposure on organ rejection has not been established in transplant patients receiving omeprazole and MMF. Use omeprazole with caution in transplant patients receiving MMF [see Clinical Pharmacology (12. 3) Combination Therapy with Clarithromycin and Amoxicillin Clinical Impact: Concomitant administration of clarithromycin with other drugs can lead to serious adverse reactions, including potentially fatal arrhythmias, and are contraindicated. Amoxicillin also has drug interactions. Intervention: See Contraindications, Warnings and Precautions See Drug Interactions Tacrolimus Clinical Impact: Potential for increased exposure of tacrolimus, especially in transplant patients who are intermediate or poor metabolizers of CYP2C19. Intervention: Monitor tacrolimus whole blood concentrations. See prescribing information for tacrolimus. Interactions with Investigations of Neuroendocrine Tumors Clinical Impact: Serum chromogranin A (CgA) levels increase secondary to PPI-induced decreases in gastric acidity. The increased CgA level may cause false positive results in diagnostic investigations for neuroendocrine tumors [see Warnings and Precautions (5. 11) Clinical Pharmacology (12. 2) Intervention: Temporarily stop omeprazole treatment at least 14 days before assessing CgA levels and consider repeating the test if initial CgA levels are high. If serial tests are performed (e. , for monitoring), the same commercial laboratory should be used for testing, as reference ranges between tests may vary. Interaction with Secretin Stimulation Test Clinical Impact: Hyper-response in gastrin secretion in response to secretin stimulation test, falsely suggesting gastrinoma. Intervention: Temporarily stop omeprazole treatment at least 14 days before assessing to allow gastrin levels to return to baseline [see Clinical Pharmacology (12. 2) False Positive Urine Tests for THC Clinical Impact: There have been reports of false positive urine screening tests for tetrahydrocannabinol (THC) in patients receiving PPIs. Intervention: An alternative confirmatory method should be considered to verify positive results. Other Clinical Impact: There have been clinical reports of interactions with other drugs metabolized via the cytochrome P450 system (e. , cyclosporine, disulfiram). Intervention: Monitor patients to determine if it is necessary to adjust the dosage of these other drugs when taken concomitantly with omeprazole. Table 4: Clinically Relevant Interactions Affecting Omeprazole When Co-Administered with Other Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of omeprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12. 3) Intervention: St. John’s Wort, rifampin: Avoid concomitant use with omeprazole [see Warnings and Precautions (5. 10) CYP2C19 or CYP3A4 Inhibitors Clinical Impact: Increased exposure of omeprazole [see Clinical Pharmacology (12. 3) Intervention: Voriconazole: Dose adjustment of omeprazole is not normally required. However, in patients with Zollinger-Ellison syndrome, who may require higher doses, dose adjustment may be considered. See prescribing information for voriconazole. See full prescribing information for a list of clinically important drug interactions.

OVERDOSAGE
Reports have been received of overdosage with omeprazole in humans. Doses ranged up to 2400 mg (120 times the usual recommended clinical dose). Manifestations were variable, but included confusion, drowsiness, blurred vision, tachycardia, nausea, vomiting, diaphoresis, flushing, headache, dry mouth, and other adverse reactions similar to those seen in normal clinical experience [see Adverse Reactions (6) If over-exposure occurs, call your Poison Control Center at 1-800-222-1222 for current information on the management of poisoning or overdosage.
NONCLINICAL TOXICOLOGY
In two 24-month carcinogenicity studies in rats, omeprazole at daily doses of 1.7, 3.4, 13.8, 44 and 140.8 mg/kg/day (about 0.4 to 34 times a human dose of 40 mg/day, as expressed on a body surface area basis) produced gastric ECL cell carcinoids in a dose-related manner in both male and female rats; the incidence of this effect was markedly higher in female rats, which had higher blood levels of omeprazole. Gastric carcinoids seldom occur in the untreated rat. In addition, ECL cell hyperplasia was present in all treated groups of both sexes. In one of these studies, female rats were treated with 13.8 mg omeprazole/kg/day (about 3.4 times a human dose of 40 mg/day, based on body surface area) for one year, and then followed for an additional year without the drug. No carcinoids were seen in these rats. An increased incidence of treatment-related ECL cell hyperplasia was observed at the end of one year (94% treated vs. 10% controls). By the second year the difference between treated and control rats was much smaller (46% vs. 26%) but still showed more hyperplasia in the treated group. Gastric adenocarcinoma was seen in one rat (2%). No similar tumor was seen in male or female rats treated for two years. For this strain of rat no similar tumor has been noted historically, but a finding involving only one tumor is difficult to interpret. In a 52-week toxicity study in Sprague-Dawley rats, brain astrocytomas were found in a small number of males that received omeprazole at dose levels of 0.4, 2, and 16 mg/kg/day (about 0.1 to 3.9 times the human dose of 40 mg/day, based on a body surface area basis). No astrocytomas were observed in female rats in this study. In a 2-year carcinogenicity study in Sprague-Dawley rats, no astrocytomas were found in males or females at the high dose of 140.8 mg/kg/day (about 34 times the human dose of 40 mg/day on a body surface area basis). A 78-week mouse carcinogenicity study of omeprazole did not show increased tumor occurrence, but the study was not conclusive. A 26-week p53 (+/-) transgenic mouse carcinogenicity study was not positive. Omeprazole was positive for clastogenic effects in an in vitro in vivo in vivo in vitro in vitro in vivo Omeprazole at oral doses up to 138 mg/kg/day in rats (about 34 times an oral human dose of 40 mg on a body surface area basis) was found to have no effect on fertility and reproductive performance. In 24-month carcinogenicity studies in rats, a dose-related significant increase in gastric carcinoid tumors and ECL cell hyperplasia was observed in both male and female animals [see Warnings and Precautions (5) 2
CLINICAL STUDIES
In a multicenter, double-blind, placebo-controlled study of 147 patients with endoscopically documented duodenal ulcer, the percentage of patients healed (per protocol) at 2 and 4 weeks was significantly higher with omeprazole 20 mg once daily than with placebo (p <= 0. Treatment of Active Duodenal Ulcer % of Patients Healed Omeprazole 20 mg a. (n=99) Placebo a. (n=48) Week 2 41 (p <= 0. 01) 13 Week 4 75 27 Complete daytime and nighttime pain relief occurred significantly faster (p <= 0. 01) in patients treated with omeprazole 20 mg than in patients treated with placebo. At the end of the study, significantly more patients who had received omeprazole had complete relief of daytime pain (p <= 0. 05) and nighttime pain (p <= 0. In a multicenter, double-blind study of 293 patients with endoscopically documented duodenal ulcer, the percentage of patients healed (per protocol) at 4 weeks was significantly higher with omeprazole 20 mg once daily than with ranitidine 150 mg b. (n = 145) Ranitidine 150 mg twice daily (n = 148) Week 2 42 34 Week 4 82 (p < 0. 01) 63 Healing occurred significantly faster in patients treated with omeprazole than in those treated with ranitidine 150 mg b. In a foreign multinational randomized, double-blind study of 105 patients with endoscopically documented duodenal ulcer, 20 mg and 40 mg of omeprazole were compared with 150 mg b. of ranitidine at 2, 4 and 8 weeks. At 2 and 4 weeks both doses of omeprazole were statistically superior (per protocol) to ranitidine, but 40 mg was not superior to 20 mg of omeprazole, and at 8 weeks there was no significant difference between any of the active drugs. Treatment of Active Duodenal Ulcer % of Patients Healed Omeprazole Ranitidine 20 mg (n=34) 40 mg (n=36) 150 mg twice daily (n=35) Week 2 83 (p <= 0. 01) 83 53 Week 4 97 100 82 Week 8 100 100 94 Triple Therapy (omeprazole/clarithromycin/amoxicillin) H. pylori registered H. pylori The combination of omeprazole plus clarithromycin plus amoxicillin was effective in eradicating H. Table 9: Per-Protocol and Intent-to-Treat H. pylori Eradication Rates % of Patients Cured [95% Confidence Interval] Omeprazole +clarithromycin +amoxicillin Clarithromycin +amoxicillin Per-Protocol Patients were included in the analysis if they had confirmed duodenal ulcer disease (active ulcer, studies 1 and 2; history of ulcer within 5 years, study 3) and H. pylori infection at baseline defined as at least two of three positive endoscopic tests from CLOtestregistered, histology, and/or culture. Patients were included in the analysis if they completed the study. Additionally, if patients dropped out of the study due to an adverse event related to the study drug, they were included in the analysis as failures of therapy. The impact of eradication on ulcer recurrence has not been assessed in patients with a past history of ulcer. Intent-to-Treat Patients were included in the analysis if they had documented H. pylori infection at baseline and had confirmed duodenal ulcer disease. All dropouts were included as failures of therapy. Per-Protocol Intent-to-Treat Study 1 77 (p < 0. 05) versus clarithromycin plus amoxicillin. 69 43 [31, 56] (n = 67) 37 [27, 48] (n = 84) Study 2 78 73 41 [29, 54] (n = 68) 36 [26, 47] (n = 83) Study 3 90 83 33 [24, 44] (n = 93) 32 [23, 42] (n = 99) Dual Therapy (omeprazole/clarithromycin) H. pylori The combination of omeprazole and clarithromycin was effective in eradicating H. Table 10: H. pylori Eradication Rates (Per-Protocol Analysis at 4 to 6 Weeks) % of Patients Cured [95% Confidence Interval] Omeprazole Clarithromycin Omeprazole Clarithromycin U. Studies Study 4 74 [60, 85] Statistically significantly higher than clarithromycin monotherapy (p < 0. , Statistically significantly higher than omeprazole monotherapy (p < 0. 0 [0, 7] (n = 54) 31 [18, 47] (n = 42) Study 5 64 [51, 76] , 0 [0, 6] (n = 59) 39 [24, 55] (n = 44) Non U. Studies Study 6 83 [71, 92] 1 [0, 7] (n = 74) N/A Study 7 74 [64, 83] 1 [0, 6] (n = 90) N/A Ulcer healing was not significantly different when clarithromycin was added to omeprazole therapy compared with omeprazole therapy alone. The combination of omeprazole and clarithromycin was effective in eradicating H. pylori Table 11: Duodenal Ulcer Recurrence Rates by H. pylori Eradication Status % of Patients with Ulcer Recurrence H. pylori eradication status assessed at same time point as ulcer recurrence. Studies Combined results for omeprazole + clarithromycin, omeprazole, and clarithromycin treatment arms. 6 months post-treatment Study 4 35 (p <= 0. 01) versus proportion with duodenal ulcer recurrence who were not H. pylori eradicated. 60 (n=88) Study 5 8 60 (n=106) Non U. Studies Combined results for omeprazole + clarithromycin and omeprazole treatment arms. 6 months post-treatment Study 6 5 46 (n=78) Study 7 6 43 (n=107) 12 months post-treatment Study 6 5 68 (n=71) In a U. multicenter, double-blind, study of omeprazole 40 mg once daily, 20 mg once daily, and placebo in 520 patients with endoscopically diagnosed gastric ulcer, the following results were obtained. Treatment of Gastric Ulcer % of Patients Healed (All Patients Treated) Omeprazole 20 mg Omeprazole 40 mg Placebo (n = 104) Week 4 47. 01) omeprazole 40 mg or 20 mg versus placebo. 8 Week 8 74. 05) omeprazole 40 mg versus 20 mg. 1 For the stratified groups of patients with ulcer size less than or equal to 1 cm, no difference in healing rates between 40 mg and 20 mg was detected at either 4 or 8 weeks. For patients with ulcer size greater than 1 cm, 40 mg was significantly more effective than 20 mg at 8 weeks. In a foreign, multinational, double-blind study of 602 patients with endoscopically diagnosed gastric ulcer, omeprazole 40 mg once daily, 20 mg once daily, and ranitidine 150 mg twice a day were evaluated. Treatment of Gastric Ulcer % of Patients Healed (All Patients Treated) Omeprazole 20 mg Omeprazole 40 mg Ranitidine 150 mg twice daily (n = 199) Week 4 63. 01) omeprazole 40 mg versus ranitidine. 01) omeprazole 40 mg versus 20 mg. 3 Week 8 81. 4 A placebo-controlled study was conducted in Scandinavia to compare the efficacy of omeprazole 20 mg or 10 mg once daily for up to 4 weeks in the treatment of heartburn and other symptoms in GERD patients without EE. Results are shown below. %Successful Symptomatic Outcome Defined as complete resolution of heartburn. Omeprazole 20 mg a. Omeprazole 10 mg a. All patients 46 (p < 0. 005) versus 10 mg. 005) versus placebo. 31 13 (n = 105) Patients with confirmed GERD 56 , 36 14 (n = 59) In a U. multicenter double-blind placebo controlled study of 20 mg or 40 mg of omeprazole delayed-release capsules in patients with symptoms of GERD and endoscopically diagnosed EE of grade 2 or above, the percentage healing rates (per protocol) were as follows: 20 mg Omeprazole (n = 83) 40 mg Omeprazole (n = 87) Placebo (n = 43) Week 4 39 (p < 0. 01) omeprazole versus placebo. 45 7 Week 8 74 75 14 In this study, the 40 mg dose was not superior to the 20 mg dose of omeprazole in the percentage healing rate. Other controlled clinical trials have also shown that omeprazole is effective in severe GERD. In comparisons with histamine H 2 2 In this and five other controlled GERD studies, significantly more patients taking 20 mg omeprazole (84%) reported complete relief of GERD symptoms than patients receiving placebo (12%). double-blind, randomized, multicenter, placebo controlled study, two dose regimens of omeprazole were studied in patients with endoscopically confirmed healed esophagitis. Results to determine maintenance of healing of EE are shown below. Life Table Analysis Omeprazole 20 mg Omeprazole 20 mg Placebo Percent in endoscopic remission at 6 months 70 (p < 0. 01) omeprazole 20 mg once daily versus omeprazole 20 mg 3 consecutive days per week or placebo. 34 11 In an international multicenter double-blind study, omeprazole 20 mg daily and 10 mg daily were compared with ranitidine 150 mg twice daily in patients with endoscopically confirmed healed esophagitis. The table below provides the results of this study for maintenance of healing of EE. Life Table Analysis Omeprazole 20 mg Omeprazole 10 mg Ranitidine 150 mg twice daily Percent in endoscopic remission at 12 months 77 (p = 0. 01) omeprazole 20 mg once daily versus omeprazole 10 mg once daily or Ranitidine. 03) omeprazole 10 mg once daily versus Ranitidine. 46 In patients who initially had grades 3 or 4 erosive esophagitis, for maintenance after healing 20 mg daily of omeprazole was effective, while 10 mg did not demonstrate effectiveness. In open studies of 136 patients with pathological hypersecretory conditions, such as Zollinger-Ellison (ZE) syndrome with or without multiple endocrine adenomas, omeprazole delayed-release capsules significantly inhibited gastric acid secretion and controlled associated symptoms of diarrhea, anorexia, and pain. Doses ranging from 20 mg every other day to 360 mg per day maintained basal acid secretion below 10 mEq/hr in patients without prior gastric surgery, and below 5 mEq/hr in patients with prior gastric surgery. Initial doses were titrated to the individual patient need, and adjustments were necessary with time in some patients [see Dosage and Administration (2) [see Adverse Reactions (6) Treatment of Symptomatic GERD The study enrolled 113 pediatric patients 2 to 16 years of age with a history of symptoms suggestive of symptomatic GERD. Patients were administered a single dose of omeprazole (10 mg or 20 mg, based on body weight) for 4 weeks either as an intact capsule or as an open capsule in applesauce. Successful response was defined as no moderate or severe episodes of either pain-related symptoms or vomiting/regurgitation during the last 4 days of treatment. Results showed success rates of 60% (9/15; 10 mg omeprazole) and 59% (58/98; 20 mg omeprazole), respectively. Treatment of EE due to Acid-Mediated GERD Maintenance of Healing of EE due to Acid-Mediated GERD.
MEDICATION GUIDE
8012801/1023F Omeprazole (oh mep'' ra zole) Delayed-Release Capsules, USP Read this Medication Guide before you start taking omeprazole delayed-release capsules and each time you get a refill. There may be new information. This information does not take the place of talking with your doctor about your medical condition or your treatment. What is the most important information I should know about omeprazole delayed-release capsules? You should take omeprazole delayed-release capsules exactly as prescribed, at the lowest dose possible and for the shortest time needed. Omeprazole delayed-release capsules may help your acid-related symptoms, but you could still have serious stomach problems. Omeprazole delayed-release capsules can cause serious side effects, including: A type of kidney problem (acute tubulointerstitial nephritis). Diarrhea. Bone fractures. Certain types of lupus erythematosus Omeprazole delayed-release capsules can have other serious side effects. See “What are the possible side effects of omeprazole delayed-release capsules?” What are omeprazole delayed-release capsules? Omeprazole delayed-release capsules are used in adults: H. pylori. H. pylori For children 2 to 16 years of age, omeprazole delayed-release capsules are used: Who should not take omeprazole delayed-release capsules? Do not take omeprazole delayed-release capsules if you: What should I tell my doctor before taking omeprazole delayed-release capsules? Before taking omeprazole delayed-release capsules, tell your doctor about all of your medical conditions, including if you: Tell your doctor about all of the medicines you take Know the medicines that you take. Keep a list of them to show your doctor and pharmacist when you get a new medicine. How should I take omeprazole delayed-release capsules? Omeprazole Delayed-Release Capsules If you miss a dose of omeprazole delayed-release capsules, take it as soon as you remember. If it is almost time for your next dose, do not take the missed dose. Take the next dose at your regular time. Do not take 2 doses at the same time to make up for the missed dose. If you take too much omeprazole delayed-release capsules, call your doctor or your poison control center at 1-800-222-1222 right away or go to the nearest emergency room. What are the possible side effects of omeprazole delayed-release capsules? Vitamin B-12 deficiency Low magnesium levels in your body Tell your doctor right away if you develop any of these symptoms: Your doctor may check the level of magnesium in your body before you start taking omeprazole delayed-release capsules or during treatment if you will be taking omeprazole delayed-release capsules for a long period of time. Stomach growths (fundic gland polyps). The most common side effects with omeprazole delayed-release capsulesin adults and children include: In addition to the side effects listed above, the most common side effects in children 2 to 16 years of age include: Severe skin reactions. o o Stop taking omeprazole delayed-release capsules and call your doctor right away. These symptoms may be the first sign of a severe skin reaction. Other side effects: Serious allergic reactions. Your doctor may stop omeprazole delayed-release capsules if these symptoms happen. Tell your doctor if you have any side effect that bothers you or that does not go away. These are not all the possible side effects with omeprazole delayed-release capsules. For more information, ask your doctor or pharmacist. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. How should I store omeprazole delayed-release capsules? Keep omeprazole delayed-release capsules and all medicines out of the reach of children. General information about the safe and effective use of omeprazole delayed-release capsules. This Medication Guide summarizes the most important information about omeprazole delayed-release capsules. For more information, ask your doctor. You can ask your doctor or pharmacist for information that is written for healthcare professionals. What are the ingredients in omeprazole delayed-release capsules? Active ingredient in Omeprazole Delayed-Release Capsules: Inactive ingredients in omeprazole delayed-release capsules The capsule shells contains: D&C Red No. 28, FD&C Blue No. 1, FD&C Red No. 40, FD&C Yellow No. 6, yellow iron oxide, gelatin, silicon dioxide, sodium lauryl sulphate and titanium dioxide. Imprinting ink contains: D&C Yellow No. 10 aluminum lake, FD&C Blue No. 1 aluminum lake, FD&C Blue No. 2 aluminum lake, FD&C Red No. 40 aluminum lake, n-butyl alcohol, pharmaceutical glaze, propylene glycol, SDA-3A alcohol and synthetic black iron oxide. For more information about the drug product, call Dr. Reddy''s Laboratories Limited at 1-888-375-3784. Distributed By: Cardinal Health Dublin, OH 43017 L56601540424 This Medication Guide has been approved by the U.S. Food and Drug Administration.

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