Assessing the Safety/Efficacy of Asacol® Given Every 12 Hours to Children and Adolescents With Active Ulcerative Colitis

Study Overview
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Brief Summary
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The overall objective of this study is to assess the safety and efficacy of high dose and low dose Asacol administered as 400 mg delayed-release tablets given every 12 hours for 6 weeks to children and adolescents with mildly-to-moderately active ulcerative colitis.

Official Title
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Study to Assess the Safety and Efficacy of Asacol® (1.2 to 4.8 g/Day) Administered as 400 mg Delayed-release Tablets Given Every 12 Hours for 6 Weeks to Children and Adolescents With Mildly-to-Moderately Active Ulcerative Colitis

Conditions
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Ulcerative Colitis

Intervention / Treatment
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* Drug: Asacol 400 mg
* Drug: Asacol 400 mg


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: are male or female between the ages of 5 and 17 years, inclusive, at the time of the first dose of study medication, with a history of biopsy and endoscopy confirmed UC; have mildly-to-moderately active UC (either newly diagnosed or that has relapsed) as defined clinically by a Pediatric UC Activity Index (PUCAI) score 10 and 55, and, in the opinion of the Investigator, the patient does not require steroids; have baseline scores of at least 1 for both rectal bleeding (Streaks of blood with stool less than half of the time) and stool frequency (1-2 stools greater than normal per day) as defined by the TM-Mayo Score Exclusion Criteria: have UC known to be confined to the rectum (isolated rectal proctitis); have a history of allergy or hypersensitivity to salicylates, aminosalicylates, or any component of the Asacol tablet; have a significant co-existing illness or other condition(s), including but not limited to cancer or significant organic or psychiatric disease on medical history or physical examination, that, in the judgment of the Investigator, contraindicate(s) administration of the study drug and/or any study procedures

Ages Eligible for Study
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Minimum Age: 5 Years
Maximum Age: 17 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Low-Dose<br>1.2 - 2.4 g/day Asacol dependent on body weight | Drug: Asacol 400 mg<br>* Low dose: 17-<33 kg = 2 Asacol 400mg + 1 placebo in morning and 1 Asacol 400 +1 placebo in PM, 33-<54 kg = 3 Asacol 400mg +2 placebo in morning and 2 Asacol 400 + 2 placebo in PM, 54-<90 kg = 3 Asacol 400mg + 3 placebo in morning and 3 Asacol 400mg + 3 placebo in PM<br>|
| Experimental: High-Dose<br>2.0 - 4.8 g/day Asacol dependent on body weight | Drug: Asacol 400 mg<br>* High dose: 17-<33 kg = 3 Asacol 400mg in morning and 2 Asacol 400 in PM, 33-<54 kg = 5 Asacol 400mg in morning and 4 Asacol 400 in PM, 54-<90 kg = 6 Asacol 400mg in morning and 6 Asacol 400 in PM<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Treatment Success PUCAI (Pediatric Ulcerative Colitis Activity Index), mITT/Modified Intent to Treat Population | PUCAI 0-85, abdominal pain (no pain/0, pain ignored/5, pain not ignored/10), rectal bleeding (none/0, small <50% stool/10, small with most stools/20, large >50% stool/30), stool consistency (formed/0, partially/5, unformed/10), # per 24 hrs (0-2/0, 3-5/5, 6-8/10, >8/15), nocturnal bowel movements (no/0, yes/10), activity level (no limitation/0, occasional limitation/5, severely restricted/10) Remission <10, Mild 10-34, Moderate 35-64, Severe 65-85, Success score<10 at Wk 6 (complete) or reduction of >=20 points baseline to Wk 6 with Wk 6 score>=10 (partial) | Baseline and 6 weeks | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Treatment Success PUCAI Amended Endpoint (5 Point Scale Abdominal Pain), mITT | PUCAI 0-85, abdominal pain amended (no pain/0, very mild/2.5, mild/5, moderate/7.5, severe/10), rectal bleeding (none/0, small <50% stool/10, small with most stools/20, large >50% stool/30), stool consistency (formed/0, partially/5, unformed/10), # per 24 hrs (0-2/0, 3-5/5, 6-8/10, >8/15), nocturnal bowel movements (no/0, yes/10), activity level (no limitation/0, occasional limitation/5, severely restricted/10) Remission <10, Mild 10-34, Moderate 35-64, Severe 65-85, Success score<10 at Wk 6 (complete) or reduction of >=20 points baseline to Wk 6 with Wk 6 score>=10 (partial) | Baseline and Week 6 |