Overview

Pilot Study to Assess the Effects of AV608 on Irritable Bowel Syndrome

Status:
Terminated
Trial end date:
2007-09-01
Target enrollment:
0
Participant gender:
Female
Summary
The purpose of this study is to assess the effects of AV608, a neurokinin 1 (NK-1) antagonist, in subjects with Irritable Bowel Syndrome.
Phase:
Phase 1
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Avera Pharmaceuticals
Collaborator:
University of California, Los Angeles
Criteria
Inclusion Criteria:

- Female, 18 to 65 years of age, inclusive

- Current diagnosis of Irritable Bowel Syndrome (IBS)

- Subjects 50 years of age or older must have had a barium enema and flexible
sigmoidoscopy or a colonoscopy and provide a record of this test

- Willing to participate in this study as evidenced by a signed, written informed
consent form (ICF)

- If female and of child-bearing potential, willing to avoid pregnancy and practice
adequate birth control from the time of study enrollment through at least 30 days
after the final dose of study medication

- If female, negative pregnancy test results

- Right handed

- Ambulatory outpatient

- Agrees to refrain from blood donation during the course of the study

- Written and oral fluency in the English language

Exclusion Criteria:

- Evidence of structural abnormality of the gastrointestinal tract or GI
diseases/conditions

- Current evidence or diagnosis of peptic ulcer

- Endoscopic bowel evaluation with evidence of cancer, inflammatory bowel disease, or
other structural disease

- History of abdominal surgery such as adhesion lysis or any gastrointestinal surgery

- History of gastroesophageal reflux disease not controlled by a stable dose of
medication

- Any evidence of or treatment of malignancy within the previous 5 years

- Clinical evidence of any disease that may interfere with participation in the study

- Existence of surgical or medical conditions which interfere with the absorption,
distribution, metabolism and excretion of the study drug

- Symptoms of a significant clinical illness within the 2 weeks prior to Screening

- Type 1 diabetes mellitus, insulin-dependent Type 2 diabetes mellitus, and thyroid
disorders or other endocrine disorders that are not well controlled by appropriate
therapy

- A QTc interval of greater than or equal to 450 msec at Screening

- Presence of a psychotic disorder, bipolar disorder, alcohol or substance dependence
(other than nicotine dependence) or eating disorder within the previous year according
to DSM-IV-TR criteria

- Seizure disorder

- Subjects who have previously participated in a clinical trial for AV608 (previously
known as NKP608 and CGP608)

- Positive drug test result at Screening

- Use of investigational drugs, products or devices within 30 days prior to Screening

- Planned use of certain drugs during the study that affect the central nervous system,
gastrointestinal motility, autonomic activity or pain sensation

- Use of pimozide, terfenadine, astemizole, or cisapride during the study

- Presence of moderate or severe allergy

- Regular intake of more than 2 units of alcohol per day

- Pregnant or breast feeding

- Subjects with morbid obesity

- Subjects with metal implants or large tattoo

- Any clinically significant abnormalities on the Screening physical examination, ECG or
laboratory tests

- Members of the investigative staff or their immediate family members

- Any other condition that the investigator believes would jeopardize the safety or
rights of the subject or would render the subject unable to comply with the study
protocol

- Regular use of more than 10 cigarettes per day