{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Post+Operative+Pain&page=2", "query": { "condition": "Chronic Post Operative Pain", "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?condition=Chronic+Post+Operative+Pain&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-06-10T18:23:33.494Z", "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": "NCT04274530", "title": "Cognitive Behavioural Therapy to Optimize Post-Operative Recovery Trial", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Pain, Postoperative", "Pain, Acute", "Pain, Chronic", "Fractures, Closed", "Fractures, Open" ], "interventions": [ { "name": "Cognitive Behavioural Therapy", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "McMaster University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1024, "start_date": "2021-01-25", "completion_date": "2025-08-18", "has_results": false, "last_update_posted_date": "2025-09-05", "last_synced_at": "2026-06-10T18:23:33.494Z", "location_count": 6, "location_summary": "Indianapolis, Indiana • Baltimore, Maryland • Largo, Maryland + 3 more", "locations": [ { "city": "Indianapolis", "state": "Indiana" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "Largo", "state": "Maryland" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Lebanon", "state": "New Hampshire" } ], "official_url": "https://clinicaltrials.gov/study/NCT04274530" }, { "nct_id": "NCT02998138", "title": "Postoperative and Chronic Pain Genetic Spine Surgery Study", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Scoliosis", "Kyphosis", "Kyphoscoliosis" ], "interventions": [], "intervention_types": [], "sponsor": "Children's Hospital Medical Center, Cincinnati", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "10 Years", "maximum_age": "18 Years", "sex": "ALL", "summary": "10 Years to 18 Years" }, "enrollment_count": 880, "start_date": "2016-12", "completion_date": "2026-12", "has_results": false, "last_update_posted_date": "2025-09-22", "last_synced_at": "2026-06-10T18:23:33.494Z", "location_count": 5, "location_summary": "Stanford, California • Baltimore, Maryland • Jackson, Mississippi + 2 more", "locations": [ { "city": "Stanford", "state": "California" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "Jackson", "state": "Mississippi" }, { "city": "Durham", "state": "North Carolina" }, { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02998138" }, { "nct_id": "NCT04967352", "title": "Predicting Chronic Pain Following Breast Surgery", "overall_status": "UNKNOWN", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Chronic Pain", "Opioid Use", "Breast Pain", "Breast Cancer" ], "interventions": [], "intervention_types": [], "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": 500, "start_date": "2021-07-19", "completion_date": "2023-12-31", "has_results": false, "last_update_posted_date": "2023-07-27", "last_synced_at": "2026-06-10T18:23:33.494Z", "location_count": 1, "location_summary": "La Jolla, California", "locations": [ { "city": "La Jolla", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04967352" }, { "nct_id": "NCT05482919", "title": "The Adolescent Surgery Experience: A Mixed Methods Analysis", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Pain, Postoperative", "Pain", "Pain, Acute", "Pain, Chronic", "Adolescent Behavior", "Opioid Use" ], "interventions": [ { "name": "Baseline Survey", "type": "BEHAVIORAL" }, { "name": "Post Operative Surveys", "type": "BEHAVIORAL" }, { "name": "Qualitative Interviews", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Children's Hospital of Philadelphia", "sponsor_class": "OTHER", "healthy_volunteers": null, "eligibility": { "minimum_age": "11 Years", "maximum_age": "21 Years", "sex": "ALL", "summary": "11 Years to 21 Years" }, "enrollment_count": 501, "start_date": "2022-06-14", "completion_date": "2023-10-15", "has_results": false, "last_update_posted_date": "2024-09-26", "last_synced_at": "2026-06-10T18:23:33.494Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT05482919" }, { "nct_id": "NCT04630158", "title": "Study of Efficacy and Safety of SAF312 Eye Drops in Subjects With Post-operative Corneal Induced Chronic Pain (CICP)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Ocular Pain" ], "interventions": [ { "name": "SAF312 Placebo", "type": "OTHER" }, { "name": "SAF312", "type": "DRUG" } ], "intervention_types": [ "OTHER", "DRUG" ], "sponsor": "Novartis Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 153, "start_date": "2021-04-21", "completion_date": "2023-06-08", "has_results": true, "last_update_posted_date": "2024-10-09", "last_synced_at": "2026-06-10T18:23:33.494Z", "location_count": 24, "location_summary": "Mission Hills, California • Newport Beach, California • Palo Alto, California + 19 more", "locations": [ { "city": "Mission Hills", "state": "California" }, { "city": "Newport Beach", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Coral Springs", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04630158" }, { "nct_id": "NCT05198518", "title": "Microcurrent Device (TIVIC Health)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Chronic Rhinosinusitis" ], "interventions": [ { "name": "Microcurrent TENS device", "type": "DEVICE" }, { "name": "Sham Device", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Icahn School of Medicine at Mount Sinai", "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": "2022-03-30", "completion_date": "2024-04-04", "has_results": true, "last_update_posted_date": "2025-06-12", "last_synced_at": "2026-06-10T18:23:33.494Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT05198518" }, { "nct_id": "NCT04725305", "title": "BiZact Tonsillectomy in the Pediatric Population", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Tonsillectomy", "Tonsillitis Chronic", "Hemorrhage", "Postoperative Pain", "Postoperative Hemorrhage", "Surgery--Complications", "Otorhinolaryngologic Diseases" ], "interventions": [ { "name": "BiZact", "type": "DEVICE" }, { "name": "Standard of care", "type": "PROCEDURE" } ], "intervention_types": [ "DEVICE", "PROCEDURE" ], "sponsor": "Baylor College of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "18 Years", "sex": "ALL", "summary": "Up to 18 Years" }, "enrollment_count": 144, "start_date": "2021-06-06", "completion_date": "2024-07-25", "has_results": false, "last_update_posted_date": "2024-07-29", "last_synced_at": "2026-06-10T18:23:33.494Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04725305" }, { "nct_id": "NCT05880251", "title": "Operant Conditioning of Sensory Brain Responses to Reduce Phantom Limb Pain in People With Limb Amputation", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Phantom Limb Pain After Amputation", "Lower Limb Amputation", "Upper Limb Amputation", "Phantom Pain", "Chronic Pain" ], "interventions": [ { "name": "Operant Conditioning with Peripheral Stimulation", "type": "BEHAVIORAL" }, { "name": "Control Group with Peripheral Stimulation Only", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "VA Office of Research and Development", "sponsor_class": "FED", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 20, "start_date": "2023-07-01", "completion_date": "2025-08-29", "has_results": false, "last_update_posted_date": "2026-01-16", "last_synced_at": "2026-06-10T18:23:33.494Z", "location_count": 1, "location_summary": "Albany, New York", "locations": [ { "city": "Albany", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT05880251" }, { "nct_id": "NCT04681183", "title": "Pilot Study Evaluating Neuro-Imaging Correlates of Epigenetic Finding in Prediction of Chronic Postsurgical Pain", "overall_status": "UNKNOWN", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Chronic Post-surgical Pain" ], "interventions": [], "intervention_types": [], "sponsor": "Children's Hospital Medical Center, Cincinnati", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "8 Years", "maximum_age": null, "sex": "ALL", "summary": "8 Years and older" }, "enrollment_count": 13, "start_date": "2020-12-14", "completion_date": "2024-12-01", "has_results": false, "last_update_posted_date": "2024-03-13", "last_synced_at": "2026-06-10T18:23:33.494Z", "location_count": 1, "location_summary": "Cincinnati, Ohio", "locations": [ { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT04681183" }, { "nct_id": "NCT03430765", "title": "Preventing Persistent Pain and Reducing Depressive and Anxious Symptoms Following Mastectomy and Lumpectomy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Persistent Postsurgical Pain", "Breast Cancer Female", "Ductal Carcinoma in Situ" ], "interventions": [ { "name": "Acceptance and Commitment Therapy", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Katherine Hadlandsmyth", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "100 Years", "sex": "FEMALE", "summary": "18 Years to 100 Years · Female only" }, "enrollment_count": 62, "start_date": "2015-06-21", "completion_date": "2017-11-22", "has_results": false, "last_update_posted_date": "2019-02-11", "last_synced_at": "2026-06-10T18:23:33.494Z", "location_count": 1, "location_summary": "Iowa City, Iowa", "locations": [ { "city": "Iowa City", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT03430765" } ] }