{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N1539", "query": { "intervention": "N1539" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 9, "total_pages": 1, "next_page_url": null, "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-03T13:29:06.325Z", "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": "NCT03323385", "title": "Evaluation of Preoperative N1539 in Colorectal Surgery", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pain, Postoperative" ], "interventions": [ { "name": "N1539", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Baudax Bio", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 57, "start_date": "2017-10-24", "completion_date": "2018-09-26", "has_results": true, "last_update_posted_date": "2023-06-18", "last_synced_at": "2026-09-03T13:29:06.325Z", "location_count": 10, "location_summary": "Florence, Alabama • Mobile, Alabama • Miami, Florida + 6 more", "locations": [ { "city": "Florence", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Miami", "state": "Florida" }, { "city": "Tampa", "state": "Florida" }, { "city": "Metairie", "state": "Louisiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT03323385" }, { "nct_id": "NCT02720692", "title": "Evaluation of N1539 Following Major Surgery", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pain, Post-operative" ], "interventions": [ { "name": "N1539", "type": "DRUG" }, { "name": "Intravenous Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Baudax Bio", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 722, "start_date": "2016-03", "completion_date": "2017-05", "has_results": true, "last_update_posted_date": "2023-06-22", "last_synced_at": "2026-09-03T13:29:06.325Z", "location_count": 20, "location_summary": "Florence, Alabama • Montgomery, Alabama • Sheffield, Alabama + 16 more", "locations": [ { "city": "Florence", "state": "Alabama" }, { "city": "Montgomery", "state": "Alabama" }, { "city": "Sheffield", "state": "Alabama" }, { "city": "Gilbert", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT02720692" }, { "nct_id": "NCT02540265", "title": "Placebo-Controlled Evaluation of N1539 Following Bunionectomy Surgery", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Pain, Post-operative" ], "interventions": [ { "name": "N1539", "type": "DRUG" }, { "name": "Intravenous Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Baudax Bio", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 59, "start_date": "2015-08", "completion_date": "2015-11", "has_results": true, "last_update_posted_date": "2017-06-14", "last_synced_at": "2026-09-03T13:29:06.325Z", "location_count": 1, "location_summary": "Pasadena, Maryland", "locations": [ { "city": "Pasadena", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT02540265" }, { "nct_id": "NCT05315479", "title": "Safety and Pharmacokinetics of N1539 in Children 2 to <17 Years of Age Following Surgery", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Post Operative Pain" ], "interventions": [ { "name": "N1539", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Baudax Bio", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "2 Years", "maximum_age": "16 Years", "sex": "ALL", "summary": "2 Years to 16 Years" }, "enrollment_count": 19, "start_date": "2022-02-24", "completion_date": "2022-07-07", "has_results": true, "last_update_posted_date": "2023-09-13", "last_synced_at": "2026-09-03T13:29:06.325Z", "location_count": 3, "location_summary": "Sheffield, Alabama • Bakersfield, California • Salt Lake City, Utah", "locations": [ { "city": "Sheffield", "state": "Alabama" }, { "city": "Bakersfield", "state": "California" }, { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT05315479" }, { "nct_id": "NCT01436032", "title": "Efficacy, Safety and Tolerability Study of N1539 in Subjects After Abdominal Laparoscopic Surgery", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Laparoscopic Surgery" ], "interventions": [ { "name": "N1539", "type": "DRUG" }, { "name": "Ketorolac Tromethamine", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Alkermes, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 50, "start_date": "2011-10", "completion_date": "2012-03", "has_results": false, "last_update_posted_date": "2012-03-14", "last_synced_at": "2026-09-03T13:29:06.325Z", "location_count": 1, "location_summary": "Pasadena, California", "locations": [ { "city": "Pasadena", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01436032" }, { "nct_id": "NCT03434275", "title": "Evaluation of Preoperative N1539 in Total Knee Arthroplasty", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pain, Postoperative" ], "interventions": [ { "name": "N1539", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Baudax Bio", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "35 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "35 Years to 80 Years" }, "enrollment_count": 194, "start_date": "2018-02-19", "completion_date": "2019-05-21", "has_results": true, "last_update_posted_date": "2023-05-25", "last_synced_at": "2026-09-03T13:29:06.325Z", "location_count": 6, "location_summary": "Florence, Alabama • Mobile, Alabama • Sheffield, Alabama + 3 more", "locations": [ { "city": "Florence", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Sheffield", "state": "Alabama" }, { "city": "Tempe", "state": "Arizona" }, { "city": "Tamarac", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT03434275" }, { "nct_id": "NCT02675907", "title": "Evaluation of N1539 Following Bunionectomy Surgery", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pain, Post-operative" ], "interventions": [ { "name": "N1539", "type": "DRUG" }, { "name": "Intravenous Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Baudax Bio", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 201, "start_date": "2016-01", "completion_date": "2016-07", "has_results": true, "last_update_posted_date": "2017-11-17", "last_synced_at": "2026-09-03T13:29:06.325Z", "location_count": 4, "location_summary": "Bakersfield, California • Pasadena, California • Pasadena, Maryland + 1 more", "locations": [ { "city": "Bakersfield", "state": "California" }, { "city": "Pasadena", "state": "California" }, { "city": "Pasadena", "state": "Maryland" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02675907" }, { "nct_id": "NCT02678286", "title": "Evaluation of N1539 Following Abdominoplasty Surgery", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pain, Post-operative" ], "interventions": [ { "name": "N1539", "type": "DRUG" }, { "name": "Intravenous Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Baudax Bio", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 219, "start_date": "2016-01", "completion_date": "2016-11", "has_results": true, "last_update_posted_date": "2018-02-14", "last_synced_at": "2026-09-03T13:29:06.325Z", "location_count": 4, "location_summary": "Pasadena, California • Bellaire, Texas • San Antonio, Texas", "locations": [ { "city": "Pasadena", "state": "California" }, { "city": "Bellaire", "state": "Texas" }, { "city": "Bellaire", "state": "Texas" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02678286" }, { "nct_id": "NCT00945763", "title": "Single Dose Study of N1539 in the Treatment of Pain Secondary to Dental Impaction Surgery", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Dental Pain" ], "interventions": [ { "name": "N1539", "type": "DRUG" }, { "name": "placebo", "type": "DRUG" }, { "name": "Motrin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Alkermes, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 230, "start_date": "2009-07", "completion_date": "2009-11", "has_results": false, "last_update_posted_date": "2011-12-02", "last_synced_at": "2026-09-03T13:29:06.325Z", "location_count": 1, "location_summary": "Salt Lake City, Utah", "locations": [ { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT00945763" } ] }