{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Advanced+Sleep+Phase", "query": { "condition": "Advanced Sleep Phase" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 7, "total_pages": 1, "next_page_url": null, "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-05-22T02:56:32.899Z", "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": "NCT03980340", "title": "Breath Biomarkers for Sleep Loss and Circadian Timing", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Shift-Work Sleep Disorder", "Shift Work Type Circadian Rhythm Sleep Disorder", "Sleep Disorders, Circadian Rhythm", "Sleep Disorders, Intrinsic", "Advanced Sleep Phase Syndrome (ASPS)", "Advanced Sleep Phase Syndrome", "Advanced Sleep Phase", "Delayed Sleep Phase", "Delayed Sleep Phase Syndrome", "Non-24 Hour Sleep-Wake Disorder", "Irregular Sleep-Wake Syndrome" ], "interventions": [ { "name": "Short Nap Intervention", "type": "BEHAVIORAL" }, { "name": "No Nap Intervention", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Brigham and Women's Hospital", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 5, "start_date": "2021-01-28", "completion_date": "2025-03-31", "has_results": false, "last_update_posted_date": "2025-08-03", "last_synced_at": "2026-05-22T02:56:32.899Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT03980340" }, { "nct_id": "NCT04690504", "title": "Validation of Circadian Biomarkers in Patients With Sleep Disorders", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Sleep Disorders, Circadian Rhythm", "Circadian Rhythm Disorders", "Circadian Rhythm Sleep Disorder", "Advanced Sleep Phase Syndrome (ASPS)", "Delayed Sleep Phase Syndrome", "Sleep Wake Disorders", "Sleep Disorder" ], "interventions": [ { "name": "dim light melatonin onset (DLMO)", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Brigham and Women's Hospital", "sponsor_class": "OTHER", "healthy_volunteers": null, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 50, "start_date": "2021-11-02", "completion_date": "2024-07-01", "has_results": false, "last_update_posted_date": "2024-08-06", "last_synced_at": "2026-05-22T02:56:32.899Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT04690504" }, { "nct_id": "NCT01280591", "title": "Evaluate Analgesic/Sedative Efficacy of Naproxen Sodium and Diphenhydramine in Patients With Postsurgical Dental Pain", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pain, Postoperative" ], "interventions": [ { "name": "Naproxen sodium 440 mg / DPH 50 mg (BAY98-7111)", "type": "DRUG" }, { "name": "Naproxen sodium 220 mg / DPH 50 mg (BAY98-7111)", "type": "DRUG" }, { "name": "Naproxen sodium 440 mg (BAYH6689)", "type": "DRUG" }, { "name": "DPH 50 mg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Bayer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "12 Years to 45 Years" }, "enrollment_count": 712, "start_date": "2010-10", "completion_date": "2011-02", "has_results": true, "last_update_posted_date": "2015-06-08", "last_synced_at": "2026-05-22T02:56:32.899Z", "location_count": 2, "location_summary": "Austin, Texas • Salt Lake City, Utah", "locations": [ { "city": "Austin", "state": "Texas" }, { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT01280591" }, { "nct_id": "NCT01495858", "title": "Evaluate Analgesic / Sedative Efficacy of Naproxen Sodium and Diphenhydramine in Patients With Postsurgical Dental Pain", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pain, Postoperative" ], "interventions": [ { "name": "Naproxen Sodium 440 mg / DPH 25 mg (BAY98-7111)", "type": "DRUG" }, { "name": "Naproxen Sodium 440 mg (BAYH6689)", "type": "DRUG" }, { "name": "DPH 50 mg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Bayer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 267, "start_date": "2011-12", "completion_date": "2012-02", "has_results": true, "last_update_posted_date": "2015-06-08", "last_synced_at": "2026-05-22T02:56:32.899Z", "location_count": 2, "location_summary": "Austin, Texas • Salt Lake City, Utah", "locations": [ { "city": "Austin", "state": "Texas" }, { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT01495858" }, { "nct_id": "NCT00246454", "title": "Circadian Rhythms and Sleep in Familial DSPS and ASPS", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Circadian Rhythm Sleep Disorder" ], "interventions": [], "intervention_types": [], "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": 156, "start_date": "2003-09", "completion_date": "2024-03-27", "has_results": false, "last_update_posted_date": "2024-03-29", "last_synced_at": "2026-05-22T02:56:32.899Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00246454" }, { "nct_id": "NCT03875053", "title": "Home Sleep Apnea Machine in Evaluating Obstructive Sleep Apnea in Patients With Stage III-IV Head and Neck Cancer", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Locally Advanced Head and Neck Squamous Cell Carcinoma", "Metastatic Head and Neck Squamous Cell Carcinoma" ], "interventions": [ { "name": "Monitoring Device", "type": "DIAGNOSTIC_TEST" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "DIAGNOSTIC_TEST", "OTHER" ], "sponsor": "Barbara Ann Karmanos Cancer Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 0, "start_date": "2023-07-25", "completion_date": "2024-08-24", "has_results": false, "last_update_posted_date": "2023-10-04", "last_synced_at": "2026-05-22T02:56:32.899Z", "location_count": 1, "location_summary": "Detroit, Michigan", "locations": [ { "city": "Detroit", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT03875053" }, { "nct_id": "NCT03956745", "title": "Biomarkers for Circadian Timing in Healthy Adults", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Sleep Wake Disorders", "Sleep Disorders, Circadian Rhythm", "Sleep Disorders, Intrinsic", "Advanced Sleep Phase Syndrome (ASPS)", "Advanced Sleep Phase Syndrome", "Advanced Sleep Phase", "Delayed Sleep Phase", "Delayed Sleep Phase Syndrome", "Non-24 Hour Sleep-Wake Disorder", "Irregular Sleep-Wake Syndrome", "Shift-Work Sleep Disorder", "Shift Work Type Circadian Rhythm Sleep Disorder", "Delayed Phase Sleep Syndrome" ], "interventions": [ { "name": "sleep-wake timing", "type": "BEHAVIORAL" }, { "name": "constant routine", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Brigham and Women's Hospital", "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": 15, "start_date": "2021-06-01", "completion_date": "2025-04-30", "has_results": false, "last_update_posted_date": "2025-08-03", "last_synced_at": "2026-05-22T02:56:32.899Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT03956745" } ] }