PANTOPRAZOLE SODIUM DELAYED RELEASE

PANTOPRAZOLE SODIUM DELAYED RELEASE- pantoprazole sodium tablet, delayed release
STAT RX USA LLC

1 INDICATIONS AND USAGE

Pantoprazole sodium delayed-release tablets are indicated for:

1.1 Short-Term Treatment of Erosive Esophagitis Associated With Gastroesophageal Reflux Disease (GERD)

Pantoprazole sodium delayed-release tablets are indicated in adults and pediatric patients five years of age and older for the short-term treatment (up to 8 weeks) in the healing and symptomatic relief of erosive esophagitis. For those adult patients who have not healed after 8 weeks of treatment, an additional 8-week course of pantoprazole sodium may be considered. Safety of treatment beyond 8 weeks in pediatric patients has not been established.

1.2 Maintenance of Healing of Erosive Esophagitis

Pantoprazole sodium delayed-release tablets are indicated for maintenance of healing of erosive esophagitis and reduction in relapse rates of daytime and nighttime heartburn symptoms in adult patients with GERD. Controlled studies did not extend beyond 12 months.

1.3 Pathological Hypersecretory Conditions Including Zollinger-Ellison Syndrome

Pantoprazole sodium delayed-release tablets are indicated for the long-term treatment of pathological hypersecretory conditions, including Zollinger-Ellison syndrome.

2 DOSAGE AND ADMINISTRATION

2.1 Recommended Dosing Schedule

Pantoprazole sodium is supplied as delayed-release tablets. The recommended dosages are outlined in Table 1.

Table 1: Recommended Dosing Schedule for Pantoprazole Sodium Delayed-Release Tablets
Indication Dose Frequency
* For adult patients who have not healed after 8 weeks of treatment, an additional 8-week course of pantoprazole sodium may be considered.

** Dosage regimens should be adjusted to individual patient needs and should continue for as long as clinically indicated. Doses up to 240 mg daily have been administered.

Short-Term Treatment of Erosive Esophagitis Associated With GERD
Adults 40 mg Once daily for up to 8 weeks*
Children (5 years and older)
≥ 15 kg to < 40 kg 20 mg Once daily for up to 8 weeks
≥ 40 kg 40 mg
Maintenance of Healing of Erosive Esophagitis
Adults 40 mg Once daily
Pathological Hypersecretory Conditions Including Zollinger-Ellison Syndrome
Adults 40 mg Twice daily**

2.2 Administration Instructions

Directions for method of administration for each dosage form are presented in Table 2.

Table 2: Administration Instructions
Formulation Route Instructions*
* Patients should be cautioned that Pantoprazole Sodium Delayed-Release Tablets should not be split, chewed, or crushed.
Delayed-Release Tablets Oral Swallowed whole, with or without food

Pantoprazole Sodium Delayed-Release Tablets

Pantoprazole sodium delayed-release tablets should be swallowed whole, with or without food in the stomach. If patients are unable to swallow a 40 mg tablet, two 20 mg tablets may be taken. Concomitant administration of antacids does not affect the absorption of pantoprazole sodium delayed-release tablets.

3 DOSAGE FORMS AND STRENGTHS

Delayed-Release Tablets:

  • 40 mg, yellow oval biconvex tablets imprinted with PROTONIX (brown ink) on one side
  • 20 mg, yellow oval biconvex tablets imprinted with P20 (brown ink) on one side

4 CONTRAINDICATIONS

Pantoprazole sodium delayed-release tablets are contraindicated in patients with known hypersensitivity to any component of the formulation [see Description ( 11) ] or any substituted benzimidazole.

5 WARNINGS AND PRECAUTIONS

5.1 Concurrent Gastric Malignancy

Symptomatic response to therapy with pantoprazole sodium does not preclude the presence of gastric malignancy.

5.2 Atrophic Gastritis

Atrophic gastritis has been noted occasionally in gastric corpus biopsies from patients treated long-term with pantoprazole sodium, particularly in patients who were H. pylori positive.

5.3 Cyanocobalamin (Vitamin B-12) Deficiency

Generally, daily treatment with any acid-suppressing medications over a long period of time (e.g., longer than 3 years) may lead to malabsorption of cyanocobalamin (Vitamin B-12) caused by hypo- or achlorhydria. Rare reports of cyanocobalamin deficiency occurring with acid-suppressing therapy have been reported in the literature. This diagnosis should be considered if clinical symptoms consistent with cyanocobalamin deficiency are observed.

5.4 Tumorigenicity

Due to the chronic nature of GERD, there may be a potential for prolonged administration of pantoprazole sodium. In long-term rodent studies, pantoprazole sodium was carcinogenic and caused rare types of gastrointestinal tumors. The relevance of these findings to tumor development in humans is unknown [see Nonclinical Toxicology ( 13.1) ].

5.5 Interference with Urine Screen for THC

See Drug Interactions ( 7.4).

6 ADVERSE REACTIONS

6.1 Clinical Trial Experience

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.

Adults

Safety in nine randomized comparative US clinical trials in patients with GERD included 1,473 patients on oral pantoprazole sodium (20 mg or 40 mg), 299 patients on an H2 -receptor antagonist, 46 patients on another proton pump inhibitor, and 82 patients on placebo. The most frequently occurring adverse reactions are listed in Table 3.

Table 3: Adverse Reactions Reported in Clinical Trials of Adult Patients with GERD at a Frequency of > 2%
Pantoprazole sodium(n=1473)% Comparators(n=345)% Placebo(n=82)%
HeadacheDiarrheaNauseaAbdominal painVomitingFlatulenceDizzinessArthralgia 12.28.87.06.24.33.93.02.8 12.89.65.24.13.52.92.91.4 8.54.99.86.12.43.71.21.2

Additional adverse reactions that were reported for pantoprazole sodium in clinical trials with a frequency of ≤ 2% are listed below by body system:

Body as a Whole: allergic reaction, pyrexia, photosensitivity reaction, facial edema

Gastrointestinal: constipation, dry mouth, hepatitis

Hematologic: leukopenia, thrombocytopenia

Metabolic/Nutritional: elevated CK (creatine kinase), generalized edema, elevated triglycerides, liver enzymes elevated

Musculoskeletal: myalgia

Nervous: depression, vertigo

Skin and Appendages: urticaria, rash, pruritus

Special Senses: blurred vision

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