{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=oral+acetaminophen&page=2", "query": { "intervention": "oral acetaminophen", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 10, "total_pages": 1, "next_page_url": null, "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=oral+acetaminophen&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-09-24T11:00:54.779Z", "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": "NCT03640247", "title": "Pain Medications Following Thyroidectomy and Parathyroidectomy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Thyroid Disease", "Parathyroid Diseases" ], "interventions": [ { "name": "Non-narcotic group regimen", "type": "DRUG" }, { "name": "Narcotic group regimen", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "MetroHealth Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 126, "start_date": "2018-11-15", "completion_date": "2019-12-01", "has_results": false, "last_update_posted_date": "2019-12-26", "last_synced_at": "2026-09-24T11:00:54.779Z", "location_count": 1, "location_summary": "Cleveland, Ohio", "locations": [ { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT03640247" }, { "nct_id": "NCT00576758", "title": "GAUSS: A Study of Obinutuzumab (RO5072759) in Patients With Indolent Non-Hodgkin's Lymphoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Non-Hodgkin's Lymphoma" ], "interventions": [ { "name": "obinutuzumab (RO5072759)", "type": "DRUG" }, { "name": "rituximab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Hoffmann-La Roche", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 175, "start_date": "2008-01", "completion_date": "2013-03", "has_results": true, "last_update_posted_date": "2014-08-19", "last_synced_at": "2026-09-24T11:00:54.779Z", "location_count": 13, "location_summary": "Los Angeles, California • Denver, Colorado • Gainesville, Florida + 10 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Denver", "state": "Colorado" }, { "city": "Gainesville", "state": "Florida" }, { "city": "Tampa", "state": "Florida" }, { "city": "Augusta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00576758" }, { "nct_id": "NCT03073980", "title": "Assessing Efficacy of Intravenous Acetaminophen for Perioperative Pain Control for Oocyte Retrieval", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Infertility, Female", "Pain, Postoperative" ], "interventions": [ { "name": "IV Acetaminophen", "type": "DRUG" }, { "name": "PO Acetaminophen", "type": "DRUG" }, { "name": "Placebo IV Acetaminophen", "type": "OTHER" }, { "name": "Placebo PO Acetaminophen", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Massachusetts General Hospital", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "44 Years", "sex": "FEMALE", "summary": "18 Years to 44 Years · Female only" }, "enrollment_count": 161, "start_date": "2019-09-01", "completion_date": "2020-12-01", "has_results": true, "last_update_posted_date": "2022-05-26", "last_synced_at": "2026-09-24T11:00:54.779Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT03073980" }, { "nct_id": "NCT02179892", "title": "Comparison of Exparel to Bupivacaine With Dexamethasone in TAP Block", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Pain" ], "interventions": [ { "name": "Bupivacaine Extended-Release Liposome Injection (Exparel)", "type": "DRUG" }, { "name": "Bupivacaine and Dexamethasone Injection", "type": "DRUG" }, { "name": "IV Acetaminophen", "type": "DRUG" }, { "name": "Oral Acetaminophen", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Colette Curtis MD", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 9, "start_date": "2014-07", "completion_date": "2015-06-06", "has_results": true, "last_update_posted_date": "2017-08-11", "last_synced_at": "2026-09-24T11:00:54.779Z", "location_count": 2, "location_summary": "Atlanta, Georgia", "locations": [ { "city": "Atlanta", "state": "Georgia" }, { "city": "Atlanta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT02179892" }, { "nct_id": "NCT02678416", "title": "Reduction in Pain Intensity Following IV or Oral Pain-relieving Products", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Pain" ], "interventions": [ { "name": "IV Acetaminophen (Treatment A)", "type": "DRUG" }, { "name": "Oral Acetaminophen (Treatment B)", "type": "DRUG" }, { "name": "Placebo (Treatment C)", "type": "DRUG" }, { "name": "Morphine (Treatment D)", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Mallinckrodt", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "MALE", "summary": "18 Years to 55 Years · Male only" }, "enrollment_count": 79, "start_date": "2015-12-07", "completion_date": "2016-06-13", "has_results": true, "last_update_posted_date": "2020-02-05", "last_synced_at": "2026-09-24T11:00:54.779Z", "location_count": 1, "location_summary": "Salt Lake City, Utah", "locations": [ { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT02678416" }, { "nct_id": "NCT03738904", "title": "Prospective Randomized Controlled Trial of an Enhanced Recovery Protocol for Anorectal Surgery", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Anorectal Disorder" ], "interventions": [ { "name": "ERAS", "type": "COMBINATION_PRODUCT" }, { "name": "Standard of care", "type": "COMBINATION_PRODUCT" } ], "intervention_types": [ "COMBINATION_PRODUCT" ], "sponsor": "Cedars-Sinai Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 111, "start_date": "2018-10-26", "completion_date": "2022-08-18", "has_results": true, "last_update_posted_date": "2023-12-18", "last_synced_at": "2026-09-24T11:00:54.779Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03738904" }, { "nct_id": "NCT01998971", "title": "A Study of JNJ-54767414 (HuMax CD38) (Anti-CD38 Monoclonal Antibody) in Combination With Backbone Treatments for the Treatment of Patients With Multiple Myeloma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Multiple Myeloma" ], "interventions": [ { "name": "Daratumumab", "type": "DRUG" }, { "name": "Velcade", "type": "DRUG" }, { "name": "Pomalidomide", "type": "DRUG" }, { "name": "Dexamethasone", "type": "DRUG" }, { "name": "Melphalan", "type": "DRUG" }, { "name": "Prednisone", "type": "DRUG" }, { "name": "Thalidomide", "type": "DRUG" }, { "name": "Diphenhydramine", "type": "DRUG" }, { "name": "Acetaminophen", "type": "DRUG" }, { "name": "Carfilzomib", "type": "DRUG" }, { "name": "Lenalidomide", "type": "DRUG" }, { "name": "Montelukast", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 240, "start_date": "2014-02-18", "completion_date": "2024-01-11", "has_results": false, "last_update_posted_date": "2025-04-25", "last_synced_at": "2026-09-24T11:00:54.779Z", "location_count": 10, "location_summary": "Duarte, California • Atlanta, Georgia • Chicago, Illinois + 7 more", "locations": [ { "city": "Duarte", "state": "California" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Indianapolis", "state": "Indiana" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT01998971" }, { "nct_id": "NCT05463367", "title": "Project 1 Aim 2, Adaptations of the Brain in Chronic Pain With Opioid Exposure", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Opioid Use", "Opioid Dependence", "Opioid-use Disorder", "Narcotic Use", "Back Pain", "Back Injuries", "Chronic Pain", "Chronic Low-back Pain", "Pain, Chronic", "Pain;Back Low;Chronic", "Pain, Back" ], "interventions": [ { "name": "Carbidopa-Levodopa 25 Mg-100 Mg Oral Tablet", "type": "DRUG" }, { "name": "Naproxen 500 Mg", "type": "DRUG" }, { "name": "Opioids", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Northwestern University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 60, "start_date": "2021-01-01", "completion_date": "2025-06-01", "has_results": false, "last_update_posted_date": "2024-11-27", "last_synced_at": "2026-09-24T11:00:54.779Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT05463367" }, { "nct_id": "NCT05034952", "title": "A Study Evaluating Efficacy and Safety of VX-548 for Acute Pain After an Abdominoplasty", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Acute Pain" ], "interventions": [ { "name": "VX-548", "type": "DRUG" }, { "name": "HB/APAP", "type": "DRUG" }, { "name": "Placebo (matched to VX-548)", "type": "DRUG" }, { "name": "Placebo (matched to HB/APAP)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Vertex Pharmaceuticals Incorporated", "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": 303, "start_date": "2021-08-30", "completion_date": "2021-12-21", "has_results": true, "last_update_posted_date": "2024-12-27", "last_synced_at": "2026-09-24T11:00:54.779Z", "location_count": 7, "location_summary": "Phoenix, Arizona • Pasadena, California • Pasadena, Maryland + 4 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Pasadena", "state": "California" }, { "city": "Pasadena", "state": "Maryland" }, { "city": "Dayton", "state": "Ohio" }, { "city": "Bellaire", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT05034952" }, { "nct_id": "NCT02101476", "title": "An Open Label, Prospective Study of the Analgesic Efficacy of Oral Xartemis Compared to Generic Oxycodone/APAP( Acetaminophen) in the Treatment of Moderate to Severe Post Operative Pain.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Post Operative Pain" ], "interventions": [ { "name": "Percocet", "type": "DRUG" }, { "name": "Xartemis", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Lotus Clinical Research, LLC", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 114, "start_date": "2014-05", "completion_date": "2014-10", "has_results": false, "last_update_posted_date": "2018-04-09", "last_synced_at": "2026-09-24T11:00:54.779Z", "location_count": 1, "location_summary": "Pasadena, California", "locations": [ { "city": "Pasadena", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02101476" } ] }