{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PF-00489791", "query": { "intervention": "PF-00489791" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 5, "total_pages": 1, "next_page_url": null, "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-03T18:59:04.937Z", "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": "NCT01090492", "title": "PF-00489791 For The Treatment Of Raynaud's", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Raynaud's Disease", "Peripheral Vascular Disease" ], "interventions": [ { "name": "PF-00489791", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 243, "start_date": "2010-08-04", "completion_date": "2011-05-31", "has_results": true, "last_update_posted_date": "2018-05-16", "last_synced_at": "2026-09-03T18:59:04.937Z", "location_count": 23, "location_summary": "Redwood City, California • Farmington, Connecticut • Washington D.C., District of Columbia + 19 more", "locations": [ { "city": "Redwood City", "state": "California" }, { "city": "Farmington", "state": "Connecticut" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Rockford", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT01090492" }, { "nct_id": "NCT00853112", "title": "A Research Study To Assess The Effectiveness And Safety Of Different Doses Of Oral PF-00489791 In The Treatment Of Adult Patients With Pulmonary Arterial Hypertension", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hypertension, Pulmonary" ], "interventions": [ { "name": "PF-00489791", "type": "DRUG" }, { "name": "placebo", "type": "DRUG" }, { "name": "sildenafil", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 48, "start_date": "2009-04", "completion_date": "2010-07", "has_results": true, "last_update_posted_date": "2017-10-24", "last_synced_at": "2026-09-03T18:59:04.937Z", "location_count": 8, "location_summary": "Phoenix, Arizona • Gainesville, Florida • Omaha, Nebraska + 2 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Gainesville", "state": "Florida" }, { "city": "Omaha", "state": "Nebraska" } ], "official_url": "https://clinicaltrials.gov/study/NCT00853112" }, { "nct_id": "NCT00599638", "title": "A Study To Compare Pregabalin/PF-00489791 Combination Versus Pregabalin Alone In Post-Herpetic Neuralgia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Postherpetic Neuralgia" ], "interventions": [ { "name": "pregabalin", "type": "DRUG" }, { "name": "pregabalin/PF-00489791", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 72, "start_date": "2008-04-09", "completion_date": "2008-12-23", "has_results": true, "last_update_posted_date": "2021-08-05", "last_synced_at": "2026-09-03T18:59:04.937Z", "location_count": 39, "location_summary": "Huntsville, Alabama • Tallassee, Alabama • Chandler, Arizona + 29 more", "locations": [ { "city": "Huntsville", "state": "Alabama" }, { "city": "Huntsville", "state": "Alabama" }, { "city": "Tallassee", "state": "Alabama" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Mesa", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT00599638" }, { "nct_id": "NCT00422461", "title": "A Dose Finding Study Of PF-00489791 In Patients With Mild To Moderate High Blood Pressure", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hypertension" ], "interventions": [ { "name": "placebo", "type": "DRUG" }, { "name": "PF-00489791", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 135, "start_date": "2007-02-27", "completion_date": "2008-01-28", "has_results": true, "last_update_posted_date": "2021-10-11", "last_synced_at": "2026-09-03T18:59:04.937Z", "location_count": 20, "location_summary": "Los Angeles, California • Santa Ana, California • Tustin, California + 15 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Santa Ana", "state": "California" }, { "city": "Tustin", "state": "California" }, { "city": "Farmington", "state": "Connecticut" }, { "city": "Waterbury", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT00422461" }, { "nct_id": "NCT01200394", "title": "A Phase 2, Placebo-Controlled Study To Evaluate The Efficacy And Safety Of PF-00489791 In Patients With Type 2 Diabetes And Overt Nephropathy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Diabetic Nephropathies" ], "interventions": [ { "name": "PF-00489791", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 256, "start_date": "2010-12", "completion_date": "2013-08", "has_results": true, "last_update_posted_date": "2019-03-12", "last_synced_at": "2026-09-03T18:59:04.937Z", "location_count": 63, "location_summary": "Huntsville, Alabama • Glendale, Arizona • Tempe, Arizona + 46 more", "locations": [ { "city": "Huntsville", "state": "Alabama" }, { "city": "Huntsville", "state": "Alabama" }, { "city": "Glendale", "state": "Arizona" }, { "city": "Tempe", "state": "Arizona" }, { "city": "Tempe", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT01200394" } ] }