{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ropivacaine+0.4%25", "query": { "intervention": "Ropivacaine 0.4%" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 11, "total_pages": 2, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ropivacaine+0.4%25&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-30T02:41:32.515Z", "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": "NCT00912873", "title": "Optimizing Local Anesthetic Concentration for Continuous Lumbar Plexus Nerve Blocks", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Hip Arthroplasty", "Hip Pain" ], "interventions": [ { "name": "0.1% Ropivacaine", "type": "DRUG" }, { "name": "0.4% Ropivacaine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of California, San Diego", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 50, "start_date": "2008-05", "completion_date": "2009-06", "has_results": true, "last_update_posted_date": "2021-03-11", "last_synced_at": "2026-09-30T02:41:32.515Z", "location_count": 1, "location_summary": "San Diego, California", "locations": [ { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00912873" }, { "nct_id": "NCT05279898", "title": "Perioperative Multimodal General AnesTHesia Focusing on Specific CNS Targets in Patients Undergoing carDiac surgERies", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Postoperative Delirium", "Hemodynamic Instability", "Pain", "Neurocognitive Dysfunction" ], "interventions": [ { "name": "EEG Monitoring", "type": "DEVICE" }, { "name": "Ropivacaine", "type": "DRUG" }, { "name": "Ketamine", "type": "DRUG" }, { "name": "Remifentanil", "type": "DRUG" }, { "name": "Dexmedetomidine", "type": "DRUG" }, { "name": "Rocuronium", "type": "DRUG" }, { "name": "Propofol", "type": "DRUG" } ], "intervention_types": [ "DEVICE", "DRUG" ], "sponsor": "Beth Israel Deaconess Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "60 Years", "maximum_age": null, "sex": "ALL", "summary": "60 Years and older" }, "enrollment_count": 70, "start_date": "2023-02-28", "completion_date": "2024-12-31", "has_results": true, "last_update_posted_date": "2025-11-26", "last_synced_at": "2026-09-30T02:41:32.515Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT05279898" }, { "nct_id": "NCT01898689", "title": "Optimizing Local Anesthetic Concentration for Continuous Popliteal-Sciatic Nerve Blocks", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Relatively Healthy Volunteers" ], "interventions": [ { "name": "Ropivacaine 0.1%", "type": "DRUG" }, { "name": "Ropivacaine 0.4%", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of California, San Diego", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 24, "start_date": "2013-07", "completion_date": "2013-11", "has_results": true, "last_update_posted_date": "2021-03-19", "last_synced_at": "2026-09-30T02:41:32.515Z", "location_count": 1, "location_summary": "San Diego, California", "locations": [ { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01898689" }, { "nct_id": "NCT00771862", "title": "Prevention of Phantom Limb and Stump Pain Using Ambulatory Continuous Peripheral Nerve Blocks: A Pilot Study", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Amputation", "Phantom Limb Pain", "Stump Pain" ], "interventions": [ { "name": "perineural ropivicaine", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "University of California, San Diego", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 16, "start_date": "2008-10", "completion_date": "2017-05-30", "has_results": false, "last_update_posted_date": "2018-03-19", "last_synced_at": "2026-09-30T02:41:32.515Z", "location_count": 1, "location_summary": "San Diego, California", "locations": [ { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00771862" }, { "nct_id": "NCT02712151", "title": "Efficacy of Transversus Abdominis Plane Block for Laparoscopic Cholecystectomy", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pain, Postoperative" ], "interventions": [ { "name": "Abdominal Wall Block", "type": "PROCEDURE" }, { "name": "Surgical infiltration", "type": "PROCEDURE" }, { "name": "Sterile saline", "type": "DRUG" }, { "name": "Ropivacaine 0.2%", "type": "DRUG" }, { "name": "Ultrasound", "type": "DEVICE" }, { "name": "Ropivacaine 0.5%", "type": "DRUG" } ], "intervention_types": [ "PROCEDURE", "DRUG", "DEVICE" ], "sponsor": "Boston Children's Hospital", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "5 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "5 Years to 17 Years" }, "enrollment_count": 0, "start_date": "2024-03-01", "completion_date": "2026-12", "has_results": false, "last_update_posted_date": "2024-07-08", "last_synced_at": "2026-09-30T02:41:32.515Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT02712151" }, { "nct_id": "NCT01971645", "title": "Decadron as Adjuvant in Femoral Nerve Blocks in Knee Arthroscopy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Knee Injury" ], "interventions": [ { "name": "Dexamethasone", "type": "DRUG" }, { "name": "Ropivacaine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Nationwide Children's Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "10 Years", "maximum_age": "19 Years", "sex": "ALL", "summary": "10 Years to 19 Years" }, "enrollment_count": 77, "start_date": "2014-07", "completion_date": "2016-09", "has_results": true, "last_update_posted_date": "2018-12-11", "last_synced_at": "2026-09-30T02:41:32.515Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT01971645" }, { "nct_id": "NCT01615939", "title": "A Study Comparing Continuous Sciatic Nerve Block to Single Shot Sciatic Nerve Block", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Fracture of Foot" ], "interventions": [ { "name": "Bupivacaine", "type": "DRUG" }, { "name": "Ropivacaine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Northwestern University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 17, "start_date": "2012-06", "completion_date": "2015-01", "has_results": true, "last_update_posted_date": "2016-08-01", "last_synced_at": "2026-09-30T02:41:32.515Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT01615939" }, { "nct_id": "NCT00667264", "title": "Ambulatory Continuous Peripheral Nerve Blocks for Treatment of Post-Amputation Phantom Limb and Stump Pain", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Amputation", "Phantom Limb", "Stump Pain" ], "interventions": [ { "name": "perineural ropivacaine", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "University of California, San Diego", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 7, "start_date": "2008-10", "completion_date": "2011-12", "has_results": false, "last_update_posted_date": "2012-06-28", "last_synced_at": "2026-09-30T02:41:32.515Z", "location_count": 1, "location_summary": "San Diego, California", "locations": [ { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00667264" }, { "nct_id": "NCT00768248", "title": "Naval Medical Center San Diego (NMCSD) - Ambulatory Continuous Peripheral Nerve Blocks for Treatment of Post-Amputation Phantom Limb and Stump Pain", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Amputation", "Phantom Limb", "Stump Pain" ], "interventions": [ { "name": "perineural ropivacaine", "type": "DRUG" }, { "name": "normal saline (placebo)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of California, San Diego", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 2, "start_date": "2008-10", "completion_date": "2010-01", "has_results": true, "last_update_posted_date": "2019-08-13", "last_synced_at": "2026-09-30T02:41:32.515Z", "location_count": 1, "location_summary": "San Diego, California", "locations": [ { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00768248" }, { "nct_id": "NCT04077398", "title": "Volume vs Concentration: Quadratus Lumborum Blocks With High Volume/Low Concentration or Low Volume/ High Concentration in Nephrectomies", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Analgesia", "Postoperative Pain", "Block" ], "interventions": [ { "name": "Ropivacaine 0.5% Injectable Solution", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Bruce Ben-David", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "90 Years", "sex": "ALL", "summary": "18 Years to 90 Years" }, "enrollment_count": 0, "start_date": "2020-01-22", "completion_date": "2021-08-01", "has_results": false, "last_update_posted_date": "2021-02-16", "last_synced_at": "2026-09-30T02:41:32.515Z", "location_count": 1, "location_summary": "Pittsburgh, Pennsylvania", "locations": [ { "city": "Pittsburgh", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT04077398" } ] }