{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Early+Parkinson%27s+Disease&page=2", "query": { "condition": "Early Parkinson's Disease", "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=Early+Parkinson%27s+Disease&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-06-10T06:24:30.653Z", "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": "NCT04201093", "title": "Fixed-Dose Trial in Early Parkinson's Disease (PD)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Parkinson Disease" ], "interventions": [ { "name": "Tavapadon", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "AbbVie", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "40 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "40 Years to 80 Years" }, "enrollment_count": 529, "start_date": "2019-12-13", "completion_date": "2024-06-28", "has_results": true, "last_update_posted_date": "2025-07-28", "last_synced_at": "2026-06-10T06:24:30.653Z", "location_count": 27, "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Fountain Valley, California + 24 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Fountain Valley", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Pasadena", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04201093" }, { "nct_id": "NCT04777331", "title": "A Study to Evaluate the Efficacy and Safety of Intravenous Prasinezumab in Participants With Early Parkinson's Disease", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Parkinsons Disease" ], "interventions": [ { "name": "Prasinezumab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Hoffmann-La Roche", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "50 Years to 85 Years" }, "enrollment_count": 586, "start_date": "2021-05-05", "completion_date": "2026-12-30", "has_results": true, "last_update_posted_date": "2026-03-09", "last_synced_at": "2026-06-10T06:24:30.653Z", "location_count": 31, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Fullerton, California + 27 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Fullerton", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04777331" }, { "nct_id": "NCT00594165", "title": "An Open-Label Extension Trial to Assess the Safety of Long-Term Treatment of Rotigotine in Early-Stage Parkinson's Disease.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Early-Stage Parkinson's Disease" ], "interventions": [ { "name": "Rotigotine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "UCB Pharma", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "31 Years", "maximum_age": null, "sex": "ALL", "summary": "31 Years and older" }, "enrollment_count": 217, "start_date": "2002-06", "completion_date": "2008-11", "has_results": true, "last_update_posted_date": "2014-10-02", "last_synced_at": "2026-06-10T06:24:30.653Z", "location_count": 37, "location_summary": "Peoria, Arizona • Phoenix, Arizona • Tucson, Arizona + 34 more", "locations": [ { "city": "Peoria", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Fountain Valley", "state": "California" }, { "city": "Fresno", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00594165" }, { "nct_id": "NCT05308238", "title": "Pre-Active PD: Looking At Physical Activity Behavior Change in Parkinson's Disease", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Parkinson Disease" ], "interventions": [ { "name": "Occupational therapy intervention group", "type": "BEHAVIORAL" }, { "name": "Disease management education group", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "San Jose State University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "18 Years to 85 Years" }, "enrollment_count": 50, "start_date": "2022-04-18", "completion_date": "2024-03-13", "has_results": false, "last_update_posted_date": "2025-02-19", "last_synced_at": "2026-06-10T06:24:30.653Z", "location_count": 2, "location_summary": "San Jose, California • New York, New York", "locations": [ { "city": "San Jose", "state": "California" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT05308238" }, { "nct_id": "NCT07214974", "title": "Mild Cognitive Impairment Community Screening and Early Intervention Via Stem Cell Therapy and Wearable Brain Computer Interface Device.", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Mild Cognitive Impairment (MCI)", "Early Stages of Cognitive Decline", "Alzheimer's Disease Dementia", "Alzheimer's Disease Diagnosis", "Alzheimer's Disease and Related Dementias", "Parkinson's Disease", "Parkinson's Disease (PD)", "Parkinson's Disease With Wearing-off Motor Fluctuations", "Dementia (Diagnosis)", "Dementia MCI (Mild Cognitive Impairment)" ], "interventions": [ { "name": "Structured wellness care", "type": "BEHAVIORAL" }, { "name": "Wearable brain-computer interface devices", "type": "DEVICE" }, { "name": "Stem Cell Therapy - Experimental", "type": "BIOLOGICAL" }, { "name": "Control - Placebo Comparator", "type": "OTHER" } ], "intervention_types": [ "BEHAVIORAL", "DEVICE", "BIOLOGICAL", "OTHER" ], "sponsor": "Noah Tech, Corp.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "55 Years", "maximum_age": null, "sex": "ALL", "summary": "55 Years and older" }, "enrollment_count": 600, "start_date": "2026-09-01", "completion_date": "2030-01-03", "has_results": false, "last_update_posted_date": "2026-03-10", "last_synced_at": "2026-06-10T06:24:30.653Z", "location_count": 1, "location_summary": "Palisades Park, New Jersey", "locations": [ { "city": "Palisades Park", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT07214974" }, { "nct_id": "NCT01968460", "title": "Safety, Tolerability and Efficacy of Two Doses of Once Daily P2B001 in Subjects With Early Parkinson's Disease", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Parkinson's Disease" ], "interventions": [ { "name": "P2B001 once daily (pramipexole 0.6 mg / rasagiline 0.75 mg),", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "P2B001 once daily (pramipexole 0.3 mg / rasagiline 0.75 mg),", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pharma Two B Ltd.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "35 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "35 Years to 75 Years" }, "enrollment_count": 149, "start_date": "2013-12", "completion_date": "2015-06", "has_results": true, "last_update_posted_date": "2023-04-07", "last_synced_at": "2026-06-10T06:24:30.653Z", "location_count": 24, "location_summary": "Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 21 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Los Angeles", "state": "California" }, { "city": "Aurora", "state": "Colorado" }, { "city": "Manchester", "state": "Connecticut" }, { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT01968460" }, { "nct_id": "NCT02847650", "title": "Efficacy, Safety and Tolerability of PF-06649751 in Parkinson's Disease Patients at Early Stage of the Disease", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Parkinson Disease" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "PF-06649751", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "45 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "45 Years to 80 Years" }, "enrollment_count": 57, "start_date": "2016-10-17", "completion_date": "2018-01-29", "has_results": true, "last_update_posted_date": "2020-11-23", "last_synced_at": "2026-06-10T06:24:30.653Z", "location_count": 20, "location_summary": "Phoenix, Arizona • Boca Raton, Florida • Miami, Florida + 11 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Boca Raton", "state": "Florida" }, { "city": "Miami", "state": "Florida" }, { "city": "Tampa", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT02847650" }, { "nct_id": "NCT02511015", "title": "Hereditary Parkinson s Disease Natural History Protocol", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Parkinson Disease 6, Early-Onset", "Parkinson Disease (Autosomal Recessive, Early Onset) 7, Human", "Parkinson Disease Autosomal Recessive, Early Onset", "Parkinson Disease, Autosomal Recessive Early-Onset, Digenic, Pink1/Dj1" ], "interventions": [], "intervention_types": [], "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 31, "start_date": "2015-07-08", "completion_date": "2017-08-15", "has_results": false, "last_update_posted_date": "2026-04-24", "last_synced_at": "2026-06-10T06:24:30.653Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT02511015" }, { "nct_id": "NCT00036218", "title": "Study Evaluating Sumanirole for the Treatment of the Signs and Symptoms of Early Parkinson's Disease.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Parkinson Disease" ], "interventions": [ { "name": "sumanirole", "type": "DRUG" }, { "name": "ropinirole", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "30 Years", "maximum_age": null, "sex": "ALL", "summary": "30 Years and older" }, "enrollment_count": 600, "start_date": "2001-12", "completion_date": "2003-04", "has_results": false, "last_update_posted_date": "2006-06-07", "last_synced_at": "2026-06-10T06:24:30.653Z", "location_count": 93, "location_summary": "Hot Springs, Arkansas • Little Rock, Arkansas • Carmichael, California + 81 more", "locations": [ { "city": "Hot Springs", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Carmichael", "state": "California" }, { "city": "Fresno", "state": "California" }, { "city": "Irvine", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00036218" }, { "nct_id": "NCT07227896", "title": "Real-World Study of Foslevodopa/Foscarbidopa to Assess Quality of Life Outcomes in Adult Participants Earlier Within Advanced Parkinson Disease", "overall_status": "NOT_YET_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Parkinson's Disease" ], "interventions": [], "intervention_types": [], "sponsor": "AbbVie", "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": 100, "start_date": "2026-03-01", "completion_date": "2027-10", "has_results": false, "last_update_posted_date": "2026-02-17", "last_synced_at": "2026-06-10T06:24:30.653Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT07227896" } ] }