{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Ironwood+Pharmaceuticals%2C+Inc.", "query": { "sponsor": "Ironwood Pharmaceuticals, Inc." }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 38, "total_pages": 4, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Ironwood+Pharmaceuticals%2C+Inc.&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-10-08T00:02:14.169Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT03931785", "title": "A Study of MD-7246 to Treat Abdominal Pain in Patients With Diarrhea-predominant Irritable Bowel Syndrome", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Irritable Bowel Syndrome With Diarrhea (IBS-D)" ], "interventions": [ { "name": "MD-7246", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ironwood Pharmaceuticals, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 515, "start_date": "2019-05-01", "completion_date": "2020-03-11", "has_results": true, "last_update_posted_date": "2021-03-12", "last_synced_at": "2026-10-08T00:02:14.169Z", "location_count": 80, "location_summary": "Huntsville, Alabama • Phoenix, Arizona • North Little Rock, Arkansas + 65 more", "locations": [ { "city": "Huntsville", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "North Little Rock", "state": "Arkansas" }, { "city": "Chula Vista", "state": "California" }, { "city": "Corona", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03931785" }, { "nct_id": "NCT02559570", "title": "A Safety and Efficacy Study of a Range of Linaclotide Doses Administered Orally to Children Ages 6-17 Years Who Fulfill Modified Rome III Criteria for Child/Adolescent Functional Constipation (FC)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Functional Constipation in Children Ages 6-17 Years" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "LIN Dose A", "type": "DRUG" }, { "name": "LIN Dose B", "type": "DRUG" }, { "name": "LIN Dose C", "type": "DRUG" }, { "name": "LIN 145 µg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Forest Laboratories", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "6 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "6 Years to 17 Years" }, "enrollment_count": 173, "start_date": "2015-11-03", "completion_date": "2018-05-29", "has_results": true, "last_update_posted_date": "2019-06-19", "last_synced_at": "2026-10-08T00:02:14.169Z", "location_count": 60, "location_summary": "Hot Springs, Arkansas • Little Rock, Arkansas • Anaheim, California + 51 more", "locations": [ { "city": "Hot Springs", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Anaheim", "state": "California" }, { "city": "Corona", "state": "California" }, { "city": "Costa Mesa", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02559570" }, { "nct_id": "NCT00402337", "title": "Dose-range-finding, Phase 2 Trial of Oral Linaclotide Acetate Administered to Patients With Chronic Constipation", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Constipation" ], "interventions": [ { "name": "linaclotide acetate", "type": "DRUG" }, { "name": "Matching placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ironwood Pharmaceuticals, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 310, "start_date": "2006-11", "completion_date": "2008-02", "has_results": true, "last_update_posted_date": "2013-03-05", "last_synced_at": "2026-10-08T00:02:14.169Z", "location_count": 60, "location_summary": "Huntsville, Alabama • Tucson, Arizona • Sherwood, Arkansas + 55 more", "locations": [ { "city": "Huntsville", "state": "Alabama" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Sherwood", "state": "Arkansas" }, { "city": "Anaheim", "state": "California" }, { "city": "Sacramento", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00402337" }, { "nct_id": "NCT02559206", "title": "Trial of Linaclotide in Patients With Irritable Bowel Syndrome With Constipation (IBS-C)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Irritable Bowel Syndrome With Constipation" ], "interventions": [ { "name": "Linaclotide", "type": "DRUG" }, { "name": "Matching Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ironwood Pharmaceuticals, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 759, "start_date": "2015-10-22", "completion_date": "2016-09-30", "has_results": true, "last_update_posted_date": "2020-04-24", "last_synced_at": "2026-10-08T00:02:14.169Z", "location_count": 71, "location_summary": "Huntsville, Alabama • Phoenix, Arizona • Tucson, Arizona + 61 more", "locations": [ { "city": "Huntsville", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "North Little Rock", "state": "Arkansas" }, { "city": "Anaheim", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02559206" }, { "nct_id": "NCT00765882", "title": "Phase III, Randomized, Double-Blind, Placebo-Controlled, Trial of Linaclotide Administered to Patients With Chronic Constipation", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Chronic Constipation" ], "interventions": [ { "name": "Linaclotide 290 micrograms", "type": "DRUG" }, { "name": "Linaclotide 145 micrograms", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Forest Laboratories", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 633, "start_date": "2008-09", "completion_date": "2009-08", "has_results": true, "last_update_posted_date": "2013-01-30", "last_synced_at": "2026-10-08T00:02:14.169Z", "location_count": 100, "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 89 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Huntsville", "state": "Alabama" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Mesa", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT00765882" }, { "nct_id": "NCT00938717", "title": "Trial of Linaclotide in Patients With Irritable Bowel Syndrome With Constipation (IBS-C)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Irritable Bowel Syndrome With Constipation" ], "interventions": [ { "name": "Linaclotide or Matching Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ironwood Pharmaceuticals, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 805, "start_date": "2009-07", "completion_date": "2010-09", "has_results": true, "last_update_posted_date": "2013-11-05", "last_synced_at": "2026-10-08T00:02:14.169Z", "location_count": 107, "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 97 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Huntsville", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tempe", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT00938717" }, { "nct_id": "NCT00404001", "title": "Study of Oral MD-0727 Administered to Patients With Primary Hypercholesterolemia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hypercholesterolemia" ], "interventions": [ { "name": "MD-0727", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ironwood Pharmaceuticals, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 150, "start_date": "2006-11", "completion_date": "2007-07", "has_results": false, "last_update_posted_date": "2007-10-01", "last_synced_at": "2026-10-08T00:02:14.169Z", "location_count": 20, "location_summary": "Birmingham, Alabama • Los Angeles, California • Walnut Creek, California + 17 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Los Angeles", "state": "California" }, { "city": "Walnut Creek", "state": "California" }, { "city": "New Port Richey", "state": "Florida" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00404001" }, { "nct_id": "NCT01107236", "title": "Study to Evaluate Efficacy and Safety of IW-6118 in Patients Undergoing Third Molar Extraction", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "IW-6118", "type": "DRUG" }, { "name": "Matching Placebo", "type": "DRUG" }, { "name": "Naproxen Sodium", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ironwood Pharmaceuticals, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "30 Years", "sex": "ALL", "summary": "18 Years to 30 Years" }, "enrollment_count": 90, "start_date": "2010-06", "completion_date": "2010-08", "has_results": false, "last_update_posted_date": "2022-08-11", "last_synced_at": "2026-10-08T00:02:14.169Z", "location_count": 1, "location_summary": "Salt Lake City, Utah", "locations": [ { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT01107236" }, { "nct_id": "NCT05760313", "title": "A Study to Assess Adverse Events and Change in Disease Activity in Pediatric Participants (Age 6 Months to <2 Years) With Functional Constipation Who Are Treated With Linaclotide", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Functional Constipation" ], "interventions": [ { "name": "Linaclotide", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "AbbVie", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "6 Months", "maximum_age": "23 Months", "sex": "ALL", "summary": "6 Months to 23 Months" }, "enrollment_count": 19, "start_date": "2023-04-27", "completion_date": "2025-06-09", "has_results": true, "last_update_posted_date": "2026-01-06", "last_synced_at": "2026-10-08T00:02:14.169Z", "location_count": 18, "location_summary": "Phoenix, Arizona • Hot Springs, Arkansas • Anaheim, California + 14 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Hot Springs", "state": "Arkansas" }, { "city": "Anaheim", "state": "California" }, { "city": "Corona", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" } ], "official_url": "https://clinicaltrials.gov/study/NCT05760313" }, { "nct_id": "NCT02289846", "title": "Trial of IW-9179 in Patients With Diabetic Gastroparesis (DGP)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Diabetic Gastroparesis" ], "interventions": [ { "name": "IW-9179", "type": "DRUG" }, { "name": "Matching Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ironwood Pharmaceuticals, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 90, "start_date": "2014-10", "completion_date": "2015-12", "has_results": false, "last_update_posted_date": "2016-12-05", "last_synced_at": "2026-10-08T00:02:14.169Z", "location_count": 22, "location_summary": "Birmingham, Alabama • Dothan, Alabama • Tucson, Arizona + 19 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Dothan", "state": "Alabama" }, { "city": "Tucson", "state": "Arizona" }, { "city": "North Little Rock", "state": "Arkansas" }, { "city": "Chula Vista", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02289846" } ] }