Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial of BEKINDA (Ondansetron 12 mg Bimodal Release Tablets) for Diarrhea Predominant Irritable Bowel Syndrome (IBS-D)

Completed · Phase 2 · Has a placebo group

Conditions studied: Irritable Bowel Syndrome With Diarrhea

In brief

This is a randomized, double-blind, placebo-controlled, 2-arm parallel group study. After qualifying for the study and signing informed consent, patients will undergo a two-week observation period during which stool consistency and frequency data and symptom data will be collected. Patients will then be randomized 60:40 to RHB-102 12 mg (BEKINDA) or placebo. Patients will continue on treatment for 8 weeks. Each medication will be given once daily.

Key facts

Study ID

NCT02757105

Run by

RedHill Biopharma Limited

People needed

127

Starts

2016-05-19

Expected to finish

2017-07-14

Last updated by the study team

2018-08-28

Who can join

Age: 18 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male and female patients age≥18 years (with a minimum of 35% males in the study)
• Patient meets FDA guidance and Rome III criteria for IBS-D:
• a. Recurrent abdominal pain or discomfort over ≥6 months, with frequency ≥3 days/month in the last 3 months associated with ≥2 of the following: i. Improvement with defecation ii. Onset associated with a change in frequency of stool iii. Onset associated with a change in the form of stool b. Loose or watery stools (Bristol stool form scale 6 or 7) ≥2 days per week
• Average worst daily pain intensity ≥3.0 for each of the two baseline weeks
• Major laboratory parameters within the following limits (no worse than grade 1 abnormalities per NCI-CTCAE v4):
• a. Adequate hematologic function, as demonstrated by i. Hemoglobin ≥10 g/dL ii. Absolute neutrophil count (ANC) 1.5-10 x 10\^9/L iii. Platelets ≥100 x 10\^9/L b. Adequate liver and renal function as demonstrated by i. Aspartate transaminase (AST) and Alanine transaminase (ALT) each ≤ 3.0 x upper limit of normal (ULN) ii. Total bilirubin ≤1.5 x ULN iii. Creatinine ≤1.5 X ULN c. Euthyroid based on thyroid-stimulating hormone (TSH) and free T4 levels
• Patients on thyroid hormone replacement must be on a stable dose for at least one month prior to study entry.
• C-reactive protein ≤2 x ULN for lab
• Patients of childbearing potential and male patients with partners of childbearing potential must utilize effective contraceptive measures Women of childbearing potential are women who have menstruated in the past 12 months, with the exception of women who have undergone surgical sterilization
• All patients must sign informed consent.

You may not qualify if…

• Evidence of other cause for bowel disease:
• Relevant abnormalities seen on colonoscopy if previously performed or if required per this protocol. These include but are not limited to Crohn's disease, ulcerative colitis, diverticulitis, ischemic colitis, microscopic colitis.
• History of and/or positive serologic test for celiac disease
• Known or suspected lactose intolerance.
• History of abdominal surgery other than appendectomy or cholecystectomy at any time
• Any elective major surgery (of any organ) planned for the period of the study, including follow-up
• History of organic abnormalities of the GI tract including but not limited to intestinal obstruction, stricture, toxic megacolon, GI perforation, fecal impaction, gastric banding, adhesions or impaired intestinal circulation (e.g., aortoiliac disease)
• Current or previous diagnosis of neoplasia (except non-GI neoplasia in complete remission ≥5 years, squamous and basal cell carcinomas). With approval of the medical monitor patients with curatively treated neoplasm in complete remission <5 years may be entered in the study.
• Patients with a history of positive tests for ova or parasites or Clostridium difficile must be retested during the screening period and tests for the relevant agents must be negative
• Use of any 5-HT3 antagonist (5hydroxytryptamine receptor antagonists) within 4 weeks of the start of baseline data collection.
• Use of rifaximin within 4 months of the start of baseline data collection.
• Use of any other agent specific for IBS (such as alosetron or eluxadoline) or for symptomatic treatment of IBS (such as antispasmotics and antidiarrheals other than loperamide) within 2 weeks of the start of baseline data collection.
• Uses of any investigational agent for any indication within 4 weeks of the start of baseline data collection.
• Congestive heart failure, bradyarrhythmia (baseline pulse<55/min), known long QT syndrome
• Patients who have Corrected QT interval (QTc) prolongation>450 msec noted on screening ECG, or who are taking medication known to cause QT prolongation
• Note: For current list of medications known to cause QT prolongation see:
• https://www.crediblemeds.org/healthcare-providers/drug-list/ There are several risk categories. Use the list showing those drugs known to cause torsade de pointes (TdP)
• Hypersensitivity or other known intolerance to ondansetron or other 5-HT3 antagonists
• Patient has taken apomorphine within 24 hours of screening
• Pregnant or lactating
• Patients with other major illnesses, either physical or psychiatric, or social situations which may interfere with participation in the study or interpretation of results
• Patients with severe hepatic impairment, defined as Child-Pugh score ≥10 at baseline

Where it is running

• Clinical Research Associates, LLC — Huntsville, Alabama, United States
• E Squared Research, Inc. — Huntsville, Alabama, United States
• Endoscoopy Center of AR — Little Rock, Arkansas, United States
• Arkansas Gastroenterology, P.A. — North Little Rock, Arkansas, United States
• Prx Clinical — Garden Grove, California, United States
• Providence Clinical Research — North Hollywood, California, United States
• Shahram Jacobs MD, Inc. — Sherman Oaks, California, United States
• Advanced Rx Clinical Research Group, Inc. — Westminster, California, United States
• Bristol Hospital Dba Connecticut Gastroenterology Institute — Bristol, Connecticut, United States
• Clinical Research of Homestead — Homestead, Florida, United States
• PMG Research of Winston-Salem — Winston-Salem, North Carolina, United States
• Great Lakes Medical Research — Mentor, Ohio, United States
• Clinsearch — Chattanooga, Tennessee, United States
• New Phase Research & Development — Knoxville, Tennessee, United States
• Aztec Medical Research, LLC — Channelview, Texas, United States
• Gastroenterology Research of San Antonio — San Antonio, Texas, United States

Full record on ClinicalTrials.gov

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