{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sildenafil+100+mg", "query": { "intervention": "Sildenafil 100 mg" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 30, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sildenafil+100+mg&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-22T09:45:44.125Z", "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": "NCT07508358", "title": "Vaginal Sildenafil for Primary Dysmenorrhea", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Dysmenorrhea", "Menstrual Pain" ], "interventions": [ { "name": "Sildenafil citrate vaginal suppository", "type": "DRUG" }, { "name": "Placebo vaginal suppository", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Kevin Hellman", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "35 Years", "sex": "FEMALE", "summary": "18 Years to 35 Years · Female only" }, "enrollment_count": 50, "start_date": "2026-05", "completion_date": "2027-10", "has_results": false, "last_update_posted_date": "2026-04-02", "last_synced_at": "2026-09-22T09:45:44.125Z", "location_count": 1, "location_summary": "Evanston, Illinois", "locations": [ { "city": "Evanston", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT07508358" }, { "nct_id": "NCT00645268", "title": "A Multicenter, Double-blind Study to Evaluate the Effect of Pretreatment With a Daily Dose of Sildenafil on the As-Needed Efficacy of Viagra in Men With Erectile Dysfunction and Type 2 Diabetes", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Erectile Dysfunction", "Diabetes Mellitus, Type 2" ], "interventions": [ { "name": "sildenafil", "type": "DRUG" }, { "name": "placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "35 Years", "maximum_age": "70 Years", "sex": "MALE", "summary": "35 Years to 70 Years · Male only" }, "enrollment_count": 300, "start_date": "2002-12", "completion_date": "2004-01", "has_results": false, "last_update_posted_date": "2021-02-01", "last_synced_at": "2026-09-22T09:45:44.125Z", "location_count": 28, "location_summary": "Huntsville, Alabama • Phoenix, Arizona • Beverly Hills, California + 21 more", "locations": [ { "city": "Huntsville", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Beverly Hills", "state": "California" }, { "city": "Duarte", "state": "California" }, { "city": "La Jolla", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00645268" }, { "nct_id": "NCT06782659", "title": "Study to Compare the Effects of Viagra® Vs Hezkue® in Healthy Fasted Male Participants.", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Erectile Dysfunction" ], "interventions": [ { "name": "ASP-001", "type": "DRUG" }, { "name": "Viagra", "type": "DRUG" }, { "name": "ASP-001", "type": "DEVICE" } ], "intervention_types": [ "DRUG", "DEVICE" ], "sponsor": "Aspargo Labs, Inc", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "MALE", "summary": "18 Years to 55 Years · Male only" }, "enrollment_count": 56, "start_date": "2025-01", "completion_date": "2025-03", "has_results": false, "last_update_posted_date": "2025-01-20", "last_synced_at": "2026-09-22T09:45:44.125Z", "location_count": 2, "location_summary": "Miami, Florida", "locations": [ { "city": "Miami", "state": "Florida" }, { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT06782659" }, { "nct_id": "NCT00872170", "title": "Sildenafil to Improve Exercise Capacity in People With Thalassemia and Pulmonary Hypertension", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Thalassemia", "Hypertension, Pulmonary" ], "interventions": [ { "name": "Sildenafil", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Carelon Research", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "7 Years", "maximum_age": null, "sex": "ALL", "summary": "7 Years and older" }, "enrollment_count": 27, "start_date": "2009-03", "completion_date": "2010-11", "has_results": true, "last_update_posted_date": "2014-02-21", "last_synced_at": "2026-09-22T09:45:44.125Z", "location_count": 1, "location_summary": "Oakland, California", "locations": [ { "city": "Oakland", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00872170" }, { "nct_id": "NCT00223717", "title": "Treatment of Supine Hypertension in Autonomic Failure", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Hypertension" ], "interventions": [ { "name": "Clonidine", "type": "DRUG" }, { "name": "Nitroglycerin transdermal", "type": "DRUG" }, { "name": "Dipyridamole/ Aspirin (Aggrenox)", "type": "DRUG" }, { "name": "Desmopressin (DDAVP)", "type": "DRUG" }, { "name": "Sildenafil", "type": "DRUG" }, { "name": "Nifedipine", "type": "DRUG" }, { "name": "Hydralazine", "type": "DRUG" }, { "name": "Hydrochlorothiazide", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Bosentan", "type": "DRUG" }, { "name": "Diltiazem", "type": "DRUG" }, { "name": "Eplerenone", "type": "DRUG" }, { "name": "guanfacine", "type": "DRUG" }, { "name": "L-arginine", "type": "DIETARY_SUPPLEMENT" }, { "name": "captopril", "type": "DRUG" }, { "name": "carbidopa", "type": "DRUG" }, { "name": "losartan", "type": "DRUG" }, { "name": "metoprolol tartrate", "type": "DRUG" }, { "name": "nebivolol hydrochloride", "type": "DRUG" }, { "name": "prazosin hydrochloride", "type": "DRUG" }, { "name": "tamsulosin hydrochloride", "type": "DRUG" }, { "name": "Head-up tilt.", "type": "OTHER" }, { "name": "aliskiren", "type": "DRUG" }, { "name": "Local heat stress", "type": "OTHER" } ], "intervention_types": [ "DRUG", "DIETARY_SUPPLEMENT", "OTHER" ], "sponsor": "Vanderbilt 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": 152, "start_date": "2001-01", "completion_date": "2017-01", "has_results": false, "last_update_posted_date": "2017-10-13", "last_synced_at": "2026-09-22T09:45:44.125Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT00223717" }, { "nct_id": "NCT00796510", "title": "Study Providing Monotherapy (Sitaxsentan) And Combination Therapy (Sitaxsentan+Sildenafil) To Subjects With Pulmonary Arterial Hypertension (PAH) To Assess Long-Term Safety", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pulmonary Arterial Hypertension", "Pulmonary Hypertension" ], "interventions": [ { "name": "Sitaxsentan", "type": "DRUG" }, { "name": "Sitaxsentan and Sildenafil", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "16 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "16 Years to 80 Years" }, "enrollment_count": 3, "start_date": "2010-07", "completion_date": "2011-01", "has_results": true, "last_update_posted_date": "2018-10-25", "last_synced_at": "2026-09-22T09:45:44.125Z", "location_count": 1, "location_summary": "Fountain Valley, California", "locations": [ { "city": "Fountain Valley", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00796510" }, { "nct_id": "NCT00057759", "title": "Sildenafil in Treating Erectile Dysfunction in Patients With Prostate Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Prostate Cancer", "Psychosocial Effects of Cancer and Its Treatment", "Radiation Toxicity", "Sexual Dysfunction", "Sexuality and Reproductive Issues" ], "interventions": [ { "name": "sildenafil citrate", "type": "DRUG" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Radiation Therapy Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "MALE", "summary": "18 Years and older · Male only" }, "enrollment_count": 115, "start_date": "2003-01", "completion_date": null, "has_results": false, "last_update_posted_date": "2015-11-17", "last_synced_at": "2026-09-22T09:45:44.125Z", "location_count": 30, "location_summary": "Concord, California • Inglewood, California • Walnut Creek, California + 23 more", "locations": [ { "city": "Concord", "state": "California" }, { "city": "Inglewood", "state": "California" }, { "city": "Walnut Creek", "state": "California" }, { "city": "Hyannis", "state": "Massachusetts" }, { "city": "Ann Arbor", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT00057759" }, { "nct_id": "NCT06872866", "title": "The Objective of This Phase 1 Study is to Evaluate the Food Effect of 100 mg Hezkue Turbo® (ASP-001.1, Sildenafil) Under Fed Versus 100 mg of Hezkue Turbo® (ASP-001.1, Sildenafil) Under Fasted Conditions in Healthy Adult Male Subjects", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Erectile Dysfunction" ], "interventions": [ { "name": "ASP-001.1", "type": "DRUG" }, { "name": "ASP-001.1", "type": "DEVICE" } ], "intervention_types": [ "DRUG", "DEVICE" ], "sponsor": "Aspargo Labs, Inc", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "20 Years", "maximum_age": "70 Years", "sex": "MALE", "summary": "20 Years to 70 Years · Male only" }, "enrollment_count": 12, "start_date": "2025-04-15", "completion_date": "2026-02-28", "has_results": false, "last_update_posted_date": "2025-11-19", "last_synced_at": "2026-09-22T09:45:44.125Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT06872866" }, { "nct_id": "NCT00452582", "title": "Sildenafil (Viagra) Treatment of Subacute Ischemic Stroke", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Ischemic Stroke" ], "interventions": [ { "name": "Sildenafil (Viagra)", "type": "DRUG" }, { "name": "Usual care", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Henry Ford Health System", "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": 20, "start_date": "2005-04", "completion_date": null, "has_results": false, "last_update_posted_date": "2011-03-16", "last_synced_at": "2026-09-22T09:45:44.125Z", "location_count": 1, "location_summary": "Detroit, Michigan", "locations": [ { "city": "Detroit", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT00452582" }, { "nct_id": "NCT00796666", "title": "Study Looking at Combination Therapy (Sitaxsentan+Sildenafil) Vs. Monotherapy (Sitaxsentan Alone) SR-PAAS -Sitaxsentan Efficacy And Safety Trial With A Randomized Prospective Assessment Of Adding Sildenafil", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pulmonary Arterial Hypertension", "Pulmonary Hypertension" ], "interventions": [ { "name": "Sitaxsentan", "type": "DRUG" }, { "name": "Sitaxsentan and Sildenafil", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "16 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "16 Years to 80 Years" }, "enrollment_count": 131, "start_date": "2009-05", "completion_date": "2011-03", "has_results": true, "last_update_posted_date": "2015-03-24", "last_synced_at": "2026-09-22T09:45:44.125Z", "location_count": 12, "location_summary": "Fountain Valley, California • Gainesville, Florida • Weston, Florida + 9 more", "locations": [ { "city": "Fountain Valley", "state": "California" }, { "city": "Gainesville", "state": "Florida" }, { "city": "Weston", "state": "Florida" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Omaha", "state": "Nebraska" } ], "official_url": "https://clinicaltrials.gov/study/NCT00796666" } ] }