MedPath

A double-blind, randomised, placebo controlled, three-period crossover study to investigate the pharmacodynamic effect of two CRF-1 antagonists GSK561679 and GW876008 on meal induced cortisol responses in patients with IBS.

Phase 1
Conditions
Irritable Bowel Syndrome
MedDRA version: 9.1 Level: LLT Classification code 10023003 Term: Irritable bowel syndrome
Registration Number
EUCTR2007-000929-22-IE
Lead Sponsor
GlaxoSmithKline R & D Limited
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
Not specified
Target Recruitment
0
Inclusion Criteria

A subject will be eligible for inclusion in this study only if all of the following criteria apply:
1.Female or male subjects aged ? 18 and < 65 at the time of the screening visit.
1.Has irritable bowel syndrome (IBS) as defined by Rome II criteria (Appendix 12)
2.Pre-study screening and baseline ECG, which, in the opinion of the Principal Investigator has no abnormalities that will compromise safety in this study.
3.Clinical laboratory tests at screening showing no clinically significant abnormalities in the opinion of the Principal Investigator.
4.Signed and dated written informed consent prior to admission to the study.
5.Able to understand and comply with protocol requirements, instructions and protocol-stated restrictions.
6.Female subject is currently either of:
•non-childbearing potential (i.e., physiologically incapable of becoming pregnant, including any female who is post-menopausal or any female who is surgically sterilized (via documented hysterectomy or bilateral tubal ligation).
(For purposes of this study, postmenopausal is defined as one year without menses)
OR
•child bearing potential, the subject is eligible to enter and participate in this study if she is not lactating and has a negative pregnancy test both at screening (serum ?-HCG negative) and baseline (urine) prior to investigational product administration at visits 2, 3 and 4 and follow-up on visit 5. The subject must also agree to one of the following methods of contraception:
i.Complete abstinence from intercourse two weeks prior to administration of study drug, throughout the clinical trial, until the completion of follow-up procedures or for two weeks following discontinuation of the study medication in cases where subject discontinues the study prematurely. (Subjects utilizing this method must agree to use an alternate method of contraception if they should become sexually active and will be queried on whether they have been abstinent in the preceding 2 weeks when they present to the clinic for the Final Visit.) or,
ii.has a male sexual partner who is surgically sterilized prior to the Screen Visit and is the only male sexual partner for that subject or,
iii.sexual partner(s) is/are exclusively female or,
iv.Oral contraceptives (either combined or progestogen only) with double-barrier method of contraception consisting of spermicide with either condom or diaphragm. (Women of child-bearing potential using an oral contraceptive in combination with a double-barrier method of contraception are required to continue to use this form of contraception for 1 week following discontinuation of study medication).
v.Use of double-barrier contraception, specifically, a spermicide plus a mechanical barrier (e.g. male condom, female diaphragm). The subject must be using this method for at least 1 week following the end of the study or,
vi.Use of any intrauterine device (IUD) with published data showing that the highest expected failure rate is less than 1% per year. The subject must have the device inserted at least 2 weeks prior to the first Screen Visit, throughout the study, and 2 weeks following the end of the study.
8.Non-tobacco user (abstinence from t

Exclusion Criteria

1. As a result of any of the medical interview, physical examination, evaluation of
mental state and psychiatric history or screening investigations the physician
responsible considers the subject unfit for the study.
2. Subject has any of the following exclusionary psychiatric conditions (Note: current
diagnoses are to be based on the M.I.N.I administered at screening).
• A current DSM-IV Axis I disorder such as Dysthmia, Phobia, Major Depression,
Obsessive Compulsive Disorder, Body Dysmorphic disorder, or Panic Disorder
as a primary diagnosis currently or within 6 months prior to the screening visit.
• A current DSM-IV-TR diagnosis of Antisocial or Borderline Personality
Disorder, Dementia, or another current DSM-IV-TR Axis II diagnosis that
would suggest non-responsiveness to pharmacotherapy or non-compliance with
the protocol; or
• A current (within six months prior to Screening Visit) diagnosis of anorexia
nervosa or bulimia; or
• A history of Schizophrenia, Schizoaffective Disorder, or a Bipolar Disorder; or
• Is currently being treated by medication for any of the above psychiatric
disorders. Psychiatric medications would include, but not limited to,
antidepressants (e.g. SSRIs, SNRIs, TCAs) anxiolytics, antipsychotics.
3. Subjects who, in the investigator’s judgement, pose a current, serious or suicidal or
homicidal risk or have made a suicide attempt within the past 6 months or have ever
been homicidal.
4. Subjects who are pregnant or nursing.
5. Evidence of a biochemical or structural abnormality of the digestive tract.
These conditions include (but not limited to):
Current evidence, or history of (at any time in the past);
• inflammatory bowel disease (Crohn's disease or ulcerative colitis)
• functional dyspepsia
• Lactose intolerance, not on a stable diet
• Celiac Disease
• laxative abuse (in the clinical judgement of the physician)
• gastrointestinal surgery (exceptions include 6 months post-surgery
appendectomy, cholecystectomy, fundoplication without gas bloat, or
hiatal hernia repair; 3 months post-surgery herniorrhaphy without bowel
resection)
• gastroparesis
• GI malignancy
• carcinoid syndrome
• amyloidosis
• chronic pancreatitis
• symptomatic gastrointestinal adhesions
• toxic megacolon
• gastrointestinal perforation
• gastrointestinal obstruction and/or stricture.
6. Current evidence of or within the past 6 months:
• diverticulitis
• ileus
• symptomatic cholelithiasis
• proctitis.
7. Current evidence of Haemoccult (+) stool of unknown aetiology.
8. Subjects who have taken any medication for the treatment of IBS within 1 month
prior to screening except for anti-diarrhoeal medications or laxatives for control of

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
© Copyright 2025. All Rights Reserved by MedPath