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NCT00258193
A Phase 2 Double-Blind, Randomized, Placebo-Controlled, Parallel Group Study of the Pharmacodynamic Effects of Orally Administered 100ug and 1000ug QD MD-1100 Acetate on Gastrointestinal Transit in Patients With Constipation Predominant Irritable Bowel Syndrome (C-IBS)
Phase 2 trial testing MD-1100 Acetate in Irritable Bowel Syndrome in 36 participants. Completed in 1 September 2006.
Quick facts
| Lead sponsor | Ironwood Pharmaceuticals, Inc. |
|---|---|
| Phase | Phase 2 |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | double |
| Primary purpose | treatment |
| Enrollment | 36 |
| Start date | 1 January 2006 |
| Estimated completion | 1 September 2006 |
| Sites | 1 location across United States |
Drugs / interventions tested
- MD-1100 Acetate — full drug profile →
Conditions studied
- Irritable Bowel Syndrome — all drugs for Irritable Bowel Syndrome →
Sponsor
Ironwood Pharmaceuticals, Inc. — full company profile →
Who can join
Adults 18 to 65, any sex, with Irritable Bowel Syndrome. Patients with the condition only — healthy volunteers not accepted.
What's being measured
Primary outcomes are the specific endpoints the trial is designed to prove or disprove.
- (Safety) AEs to be collected beginning with patient's first administration of study medication through final study visit
- Clinical chemistry, hematology, and urinalyses to be performed before and after the Treatment Period
- Cardiac safety will be monitored by ECG recordings
- (Efficacy) Primary endpoints for analysis of efficacy are the colonic geometric center (GC) at 24 hours and ascending colon t1/2 values.
Sponsor's own description
* The primary objective of this trial is to compare the dose-ranging pharmacodynamic effects of orally administered placebo, and 100 and 1000 ug qd of MD-1100 Acetate on gastrointestinal transit in patients with C-IBS. * The secondary objectives of this trial are: 1. To compare the dose ranging pharmacodynamic effects of placebo, and 100 and 1000 ug MD-1100 Acetate once daily on time to first bowel movement after first drug intake. 2. To describe and summarize the effects of placebo, and 100 and 1000 ug MD-1100 Acetate once daily on stool frequency, stool consistency, ease of passage and sensation of incomplete evacuation during the Treatment Period relative to Baseline.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
Review article: Linaclotide for the management of irritable bowel syndrome with constipation.
Layer P, Stanghellini V. · · 2014 · cited 54× · PMID 24433216 · DOI 10.1111/apt.12604
Verify or expand the search:
- PubMed search for NCT00258193
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other recruiting trials for Irritable Bowel Syndrome
Currently open trials in the same condition.
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- NCT07421011 — Pharmacokinetics, Bioequivalence, and Safety Study of Trimedat® 76,95 mg Orally Disintegrating Tablets and Trimedat® 100 · Phase 1 · recruiting
- NCT07360938 — Drug Interaction Potential of Pro-Inflammatory Conditions · recruiting
- NCT06788444 — Efficacy of Esketamine for Patients With Irritable Bowel Syndrome · NA · recruiting
- NCT07484412 — Efficacy and Safety of Encapsulated Bifidobacterium Longum BBH016 in Subjects With Lower Gastrointestinal Symptoms · NA · active not recruiting
Other Ironwood Pharmaceuticals, Inc. trials
Trials by the same sponsor.
- NCT05740007 — A Phase 2 Study of IW-3300 for the Treatment of Bladder Pain in Subjects With Interstitial Cystitis/Bladder Pain Syndrom · Phase 2 · terminated
- NCT05362695 — A Study of Multiple-ascending Doses of IW-3300 in Healthy Subjects · Phase 1 · completed
- NCT05188261 — A Study of Single Ascending Doses of IW-3300 in Healthy Volunteers · Phase 1 · completed
- NCT03931785 — A Study of MD-7246 to Treat Abdominal Pain in Patients With Diarrhea-predominant Irritable Bowel Syndrome · Phase 2 · completed
- NCT03856970 — Study to Evaluate the Effect of IW-3718 on the Pharmacokinetics of Oral Contraceptive, Levothyroxine, Glyburide, and Dig · Phase 1 · completed
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT00258193 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Ironwood Pharmaceuticals, Inc.
- Last refreshed: 19 October 2006
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT00258193.
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