Bisacodyl

BISACODYL — bisacodyl tablet
REMEDYREPACK INC.

CONTRAINDICATIONS

CONTRAINDICATIONS The HalfLytely and Bisacodyl Tablets Bowel Prep Kit is contraindicated in the following conditions: •Known allergies to polyethylene glycol or other components of the kit •Gastrointestinal (GI) obstruction •Bowel perforation •Toxic colitis •Toxic megacolon Toxic megacolon (4)

WARNINGS AND PRECAUTIONS

There have been reports of generalized tonic-clonic seizures in patients with use of large volume (4 liter) PEG-based colon preparation products in patients with no prior history of seizures. The seizure cases were associated with severe vomiting, excessive beverage consumption and electrolyte abnormalities (for example, hyponatremia, hypokalemia). The neurologic abnormalities resolved with correction of fluid and electrolyte abnormalities. Therefore, HalfLytely and Bisacodyl Tablets Bowel Prep Kit should be used with caution in patients using concomitant medications (such as diuretics) that increase the risk of electrolyte abnormalities or patients with known or suspected hyponatremia. Monitor baseline and post-colonoscopy laboratory tests (sodium, potassium, calcium, creatinine, and BUN) in these patients.

WARNINGS

There have been reports of generalized tonic-clonic seizures in patients with use of large volume (4 liter) PEG-based colon preparation products in patients with no prior history of seizures. The seizure cases were associated with severe vomiting, excessive beverage consumption and electrolyte abnormalities (for example, hyponatremia, hypokalemia). The neurologic abnormalities resolved with correction of fluid and electrolyte abnormalities. Therefore, HalfLytely and Bisacodyl Tablets Bowel Prep Kit should be used with caution in patients using concomitant medications (such as diuretics) that increase the risk of electrolyte abnormalities or patients with known or suspected hyponatremia. Monitor baseline and post-colonoscopy laboratory tests (sodium, potassium, calcium, creatinine, and BUN) in these patients.

PRECAUTIONS

PRECAUTIONS Neurologic (5.1)Gastrointestinal There have been reports of generalized tonic-clonic seizures in patients with use of large volume (4 liter) PEG-based colon preparation products in patients with no prior history of seizures. The seizure cases were associated with severe vomiting, excessive beverage consumption and electrolyte abnormalities (for example, hyponatremia, hypokalemia). The neurologic abnormalities resolved with correction of fluid and electrolyte abnormalities. Therefore, HalfLytely and Bisacodyl Tablets Bowel Prep Kit should be used with caution in patients using concomitant medications (such as diuretics) that increase the risk of electrolyte abnormalities or patients with known or suspected hyponatremia. Monitor baseline and post-colonoscopy laboratory tests (sodium, potassium, calcium, creatinine, and BUN) in these patients. (5.2) Renal Insufficiency Use with caution in patient with severe ulcerative colitis, ileus or gastric retention. Observe patients with impaired gag reflex and patients prone to regurgitation or aspiration during administration of HalfLytely solution. If GI obstruction or perforation is suspected, appropriate studies should be performed to rule out these conditions before administration. There have been reports of ischemic colitis in patients with use of HalfLytely and 20 mg Bisacodyl Tablets Bowel Prep Kit. If patients develop severe abdominal pain or rectal bleeding, patients should be evaluated as soon as possible. (5.3) Allergic Reaction Patients with impaired water handling who experience severe vomiting should be closely monitored including measurement of electrolytes (sodium, potassium, calcium, BUN and creatinine). (5.4)Allergic Reaction Hives and skin rashes have been reported with PEG-3350 based products which are suggestive of an allergic reaction.

ADVERSE REACTIONS

ADVERSE REACTIONS Most common adverse reactions (< 3%) are abdominal pain/cramping, nausea,vomiting and headache (6)To report SUSPECTED ADVERSE REACTIONS, contact BraintreeLaboratories, Inc. at 1-800-874-6756 or FDA at 1-800-FDA-1088 orwww.fda.gov/medwatch

DRUG INTERACTIONS

DRUG INTERACTIONS

Oral medication administered within one hour of the start of administrationof HalfLytely solution may be flushed from the GI tract and the medicationmay not be absorbed. (7)

Do not take the bisacodyl delayed release tablets within one hour of takingan antacid. (7)See 17 for PATIENT COUNSELING INFORMATION and FDA-approved patient labelingRevised: 10/2007

FULL PRESCRIBING INFORMATION: CONTENTS *

1 INDICATIONS AND USAGE2 DOSAGE AND ADMINISTRATION3 DOSAGE FORMS AND STRENGTHS4 CONTRAINDICATIONS5 WARNINGS AND PRECAUTIONS5.

1 Neurologic

2 Gastrointestina

3 Renal Insufficiency

4 Allergic Reaction

CLINICAL STUDIES

Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in clinical studies of another drug and may not reflect the rates observed in practice. In a clinical study of HalfLytely and (10 mg vs. 20 mg) Bisacodyl Tablets Bowel Prep Kit multicentered, controlled clinical trials, abdominal pain/cramping, nausea, vomiting and headache were the most common adverse reactions ( 3%) after the administration of HalfLytely and (10 mg or 20 mg) Bisacodyl Tablets Bowel Prep Kit. Less than 1% of patients exposed to HalfLytely and 10 mg Bisacodyl Tablets Bowel Prep Kit reported vomiting and abdominal pain/cramping. The data in reflects exposure in 222 patients to HalfLytely and 10 mg bisacodyl tablets vs. 223 patients exposed to HalfLytely and 20 mg bisacodyl tablets. The HalfLytely and 10 mg Bisacodyl Tablets Bowel Prep Kit population was 20-85 years of age, 46% male, 54% female, 10% African American, 85% Caucasian, 8% Hispanic requiring a colonoscopy. The demographics of the comparator group were similar.

USE IN SPECIFIC POPULATIONS

8.1 Pregnancy Pregnancy Category C. Animal reproduction studies have not been conducted. It is not known whether HalfLytely and Bisacodyl Tablets Bowel Prep Kit can cause fetal harm when administered to a pregnant woman or can affect reproductive capacity. HalfLytely and Bisacodyl Tablets Bowel Prep Kit should be given to a pregnant or nursing woman only if clearly needed. 8.3 Nursing Mothers It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when HalfLytely and Bisacodyl Tablets Bowel Prep Kit is administered to a nursing woman. 8.4 Pediatric Use Safety and effectiveness in pediatric patients has not been established. 8.5 Geriatric Use Of the 222 patients who received HalfLytely and 10 mg Bisacodyl Tablets Bowel Prep Kit in clinical trials, 73 (33%) were 65 years of age or older, while 18 (8%) were 75 years of age or older. No overall differences in safety or effectiveness were observed between geriatric patients and younger patients, and other reported clinical experience has not identified differences in responses between geriatric patients and younger patients but greater sensitivity of some older individuals cannot be ruled out.

PREGNANCY

Pregnancy Category C. Animal reproduction studies have not been conducted. It is not known whether HalfLytely and Bisacodyl Tablets Bowel Prep Kit can cause fetal harm when administered to a pregnant woman or can affect reproductive capacity. HalfLytely and Bisacodyl Tablets Bowel Prep Kit should be given to a pregnant or nursing woman only if clearly needed

NURSING MOTHERS

It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when HalfLytely and Bisacodyl Tablets Bowel Prep Kit is administered to a nursing woman.

PEDIATRIC USE

Safety and effectiveness in pediatric patients has not been established

GERIATRIC USE

Of the 222 patients who received HalfLytely and 10 mg Bisacodyl Tablets Bowel Prep Kit in clinical trials, 73 (33%) were 65 years of age or older, while 18 (8%) were 75 years of age or older. No overall differences in safety or effectiveness were observed between geriatric patients and younger patients, and other reported clinical experience has not identified differences in responses between geriatric patients and younger patients but greater sensitivity of some older individuals cannot be ruled out.

DESCRIPTION

Each HalfLytely and Bisacodyl Tablets Bowel Prep Kit [Polyethylene glycol (PEG) 3350, sodium chloride, sodium bicarbonate and potassium chloride for oral solution and bisacodyl delayed release tablets] consists of one 2 liter bottle of HalfLytely (PEG-3350, sodium chloride, sodium bicarbonate and potassium chloride for oral solution) powder for reconstitution and two 5 mg bisacodyl, delayed release tablets.

•Bisacodyl delayed release tablets: Each pink, round, enteric coated bisacodyl delayed release tablet (stamped “BRA”) contains 5 mg of bisacodyl, USP (C22H19NO4) with a molecular weight of 361.40.

Inactive ingredients include lactose (anhydrous) NF, microcrystalline cellulose NF, croscarmellose sodium NF, magnesium stearate NF, Eudragit L 30-55, polyethylene glycol 400, talc USP, gelatin, calcium sulfate (anhydrous) NF, confectioners sugar, kaolin USP, sucrose NF, Opalux pink, beeswax, and carnauba wax.

The bisacodyl delayed release tablets are administered orally prior to drinking the HalfLytely solution [see Dosage and Administration

( 2)].

•HalfLytely (PEG-3350, sodium chloride, sodium bicarbonate and potassium chloride for oral solution): A white powder for reconstitution containing 210 grams of PEG-3350, 2.86 grams of sodium bicarbonate, 5.6 grams of sodium chloride, 0.74 grams of potassium chloride and 1 gram of flavoring ingredient (if applicable). Flavor Packs are available in Cherry, Lemon-Lime and Orange. This preparation can be used without the addition of a Flavor Pack. When dissolved in water to a volume of 2 liters, the HalfLytely solution is isosmotic, clear, and colorless. The HalfLytely solution is administered orally after taking the two bisacodyl delayed release tablets [see Dosage and Administration

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