{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diphenhydramine+%28Benadryl%29&page=9",
    "query": {
      "intervention": "Diphenhydramine (Benadryl)",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 488,
    "total_pages": 49,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diphenhydramine+%28Benadryl%29&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diphenhydramine+%28Benadryl%29&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T20:27:42.714Z",
  "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": "NCT04743063",
      "title": "Prospective Monitoring of Angiotensin Receptor Neprilysin Inhibitor in Older Adults With Heart Failure and Frailty",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure, Systolic",
        "Frailty"
      ],
      "interventions": [
        {
          "name": "sacubitril/valsartan",
          "type": "DRUG"
        },
        {
          "name": "Angiotensin II Receptor Blockers",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 40000,
      "start_date": "2021-01-14",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-02-15",
      "last_synced_at": "2026-10-13T20:27:42.714Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04743063"
    },
    {
      "nct_id": "NCT00185614",
      "title": "Non-myeloablative Allogeneic Transplantation for the Treatment of Multiple Myeloma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Blood Cancer",
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Autologous hematopoietic cell transplant (Auto-HCT)",
          "type": "PROCEDURE"
        },
        {
          "name": "Allogeneic hematopoietic cell transplant (Allo-HCT)",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "DRUG"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Total body irradiation (TBI)",
          "type": "RADIATION"
        },
        {
          "name": "Cyclosporine (CSP)",
          "type": "PROCEDURE"
        },
        {
          "name": "Mycophenolate Mofetil (MMF)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Wen-Kai Weng",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 63,
      "start_date": "2000-08",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2018-01-18",
      "last_synced_at": "2026-10-13T20:27:42.714Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00185614"
    },
    {
      "nct_id": "NCT00168779",
      "title": "Randomized, Double-Blind, Placebo-Controlled, Forced-Titration, Comparing Telmisartan vs Valsartan. Taken Orally for Eight Weeks in Patients With Stage 1 and Stage 2 Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "telmisartan 80 mg / hydrochlorothiazide 25 mg",
          "type": "DRUG"
        },
        {
          "name": "valsartan 160 mg / hydrochlorothiazide 25 mg",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1185,
      "start_date": "2005-09",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2017-12-28",
      "last_synced_at": "2026-10-13T20:27:42.714Z",
      "location_count": 113,
      "location_summary": "Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 90 more",
      "locations": [
        {
          "city": "Athens",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00168779"
    },
    {
      "nct_id": "NCT04815902",
      "title": "Use of Senolytic and Anti-Fibrotic Agents to Improve the Beneficial Effect of Bone Marrow Stem Cells for Osteoarthritis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Fisetin",
          "type": "DRUG"
        },
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo - Losartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo Fisetin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Steadman Philippon Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 100,
      "start_date": "2021-05-18",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-10-13T20:27:42.714Z",
      "location_count": 1,
      "location_summary": "Vail, Colorado",
      "locations": [
        {
          "city": "Vail",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04815902"
    },
    {
      "nct_id": "NCT00274599",
      "title": "PROBE Investigation of the Safety & Efficacy of Telmisartan (Micardis®) vs Ramipril (Altace®) Using ABPM in HTN",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Telmisartan",
          "type": "DRUG"
        },
        {
          "name": "Ramipril",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 812,
      "start_date": "2002-10-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-12-06",
      "last_synced_at": "2026-10-13T20:27:42.714Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 40 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00274599"
    },
    {
      "nct_id": "NCT02867800",
      "title": "Abatacept for GVHD Prophylaxis After Hematopoietic Stem Cell Transplantation for Pediatric Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Graft Versus Host Disease"
      ],
      "interventions": [
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Meperidine",
          "type": "DRUG"
        },
        {
          "name": "Alemtuzumab",
          "type": "DRUG"
        },
        {
          "name": "Thymoglobulin",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Abatacept",
          "type": "DRUG"
        },
        {
          "name": "Marrow infusion",
          "type": "PROCEDURE"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Monica Bhatia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "3 Years to 20 Years"
      },
      "enrollment_count": 24,
      "start_date": "2016-07",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2024-06-13",
      "last_synced_at": "2026-10-13T20:27:42.714Z",
      "location_count": 7,
      "location_summary": "Washington D.C., District of Columbia • Atlanta, Georgia • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02867800"
    },
    {
      "nct_id": "NCT02278471",
      "title": "The SCCS Polypill Pilot Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension",
        "Hyperlipidemia"
      ],
      "interventions": [
        {
          "name": "Polypill (atorvastatin, amlodipine, losartan, and hydrochlorothiazide)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 303,
      "start_date": "2015-12",
      "completion_date": "2018-06-27",
      "has_results": true,
      "last_update_posted_date": "2021-05-14",
      "last_synced_at": "2026-10-13T20:27:42.714Z",
      "location_count": 1,
      "location_summary": "Mobile, Alabama",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02278471"
    },
    {
      "nct_id": "NCT01986361",
      "title": "Placebo-Controlled Onset-of-Action Study of Flurbiprofen Utilizing the Double-Stopwatch Method",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Pharyngitis",
        "Sore Throat"
      ],
      "interventions": [
        {
          "name": "flurbiprofen",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Reckitt Benckiser LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 122,
      "start_date": "2013-09",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2017-09-28",
      "last_synced_at": "2026-10-13T20:27:42.714Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01986361"
    },
    {
      "nct_id": "NCT00051909",
      "title": "Efficacy and Safety of LY451395 in Patients With Probable Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "LY451395",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2002-11",
      "completion_date": "2003-06",
      "has_results": false,
      "last_update_posted_date": "2006-07-19",
      "last_synced_at": "2026-10-13T20:27:42.714Z",
      "location_count": 9,
      "location_summary": "Beverly Hills, California • Fresno, California • Boca Raton, Florida + 6 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Miami Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00051909"
    },
    {
      "nct_id": "NCT00675987",
      "title": "A Randomized Clinical Trial To Study Losartan On Endothelial Dysfunction and Insulin Resistance In Obese Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity",
        "Hypertension",
        "Hyperglycemia"
      ],
      "interventions": [
        {
          "name": "losartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo control",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 53,
      "start_date": "2007-05",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2018-09-06",
      "last_synced_at": "2026-10-13T20:27:42.714Z",
      "location_count": 9,
      "location_summary": "Little Rock, Arkansas • San Diego, California • Miami, Florida + 6 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00675987"
    }
  ]
}