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Completed Phase 2 Interventional

Phase 2 Study of MD-1100 Acetate Administered for 14 Days to Patients Meeting Criteria for Chronic Constipation

ClinicalTrials.gov ID: NCT00306748

Public ClinicalTrials.gov record NCT00306748. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 2:17 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Multicenter, Double-Blind, Parallel-Design, Phase 2 Trial of Oral MD-1100 Acetate Administered for 14 Days Once Daily at 100 ug, 300 ug, 1000 ug, or Placebo to Patients With Chronic Constipation

Study identification

NCT ID
NCT00306748
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Enrollment
40 participants

Conditions and interventions

Conditions

Interventions

  • MD-1100 Acetate Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 70 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 28, 2006
Primary completion
Not listed
Completion
Jul 31, 2006
Last update posted
Mar 23, 2009

2006

United States locations

U.S. sites
14
U.S. states
11
U.S. cities
14
Facility City State ZIP Site status
Clinical Research Associates Huntsville Alabama 35801
Arkansas Gastroenterology North Little Rock Arkansas 72117
Consultants for Clinical Research of South Florida Boynton Beach Florida 33426
Beth Israel Deaconess Medical Center Boston Massachusetts 02215
Chung H. Kim, MD Pittsford New York 14534
UC for Functional GI & Motility Disorders Chapel Hill North Carolina 27599-7080
Vital Research Greensboro North Carolina 27408
Sooner Clinical Research Oklahoma City Oklahoma 73112
ClinSearch Chattanooga Tennessee 37304
Memphis Gastroenterology Clinic Germantown Tennessee 38120
Austin Gastroenterology, P.A. Austin Texas 78745
Trinity Clinic - Corsicana Corsicana Texas 75110
East Coast Clinical Research, LLC Virginia Beach Virginia 23454
Vantage Clinical Research Olympia Washington 98506

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00306748, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 23, 2009 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00306748 live on ClinicalTrials.gov.

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