{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diphenhydramine+%28Benadryl%29&page=10",
    "query": {
      "intervention": "Diphenhydramine (Benadryl)",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 488,
    "total_pages": 49,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diphenhydramine+%28Benadryl%29&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diphenhydramine+%28Benadryl%29&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T21:14:22.463Z",
  "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": "NCT06933706",
      "title": "Losartan to Improve Outcomes After Multi-ligament Knee Injury",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multi-ligament Knee Injury"
      ],
      "interventions": [
        {
          "name": "losartan 25 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo capsule",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 90,
      "start_date": "2025-10-01",
      "completion_date": "2029-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-10-13T21:14:22.463Z",
      "location_count": 3,
      "location_summary": "Lexington, Kentucky • Bethesda, Maryland • Foxborough, Massachusetts",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Foxborough",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06933706"
    },
    {
      "nct_id": "NCT01088295",
      "title": "HIV and Fat Accumulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "Telmisartan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2010-05",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2019-02-04",
      "last_synced_at": "2026-10-13T21:14:22.463Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01088295"
    },
    {
      "nct_id": "NCT00981747",
      "title": "Targeting Vascular Reactivity in Idiopathic Pulmonary Fibrosis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis",
        "Pulmonary Fibrosis"
      ],
      "interventions": [
        {
          "name": "Sildenafil",
          "type": "DRUG"
        },
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Sildenafil and Losartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alicia Gerke",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 12,
      "start_date": "2009-09",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2018-11-13",
      "last_synced_at": "2026-10-13T21:14:22.463Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00981747"
    },
    {
      "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": "2026-10-13T21:14:22.463Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00223717"
    },
    {
      "nct_id": "NCT03396250",
      "title": "A Pharmacokinetic Trial of Naproxen Sodium and Diphenhydramine Hydrochloride Soft Capsules Versus Naproxen Sodium and Diphenhydramine Hydrochloride Tablets in Healthy Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Naproxen sodium and diphenhydramine hydrochloride soft capsules",
          "type": "DRUG"
        },
        {
          "name": "Naproxen sodium and diphenhydramine hydrochloride coated tablets (Aleve, PMBAY98-7111)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 36,
      "start_date": "2018-02-12",
      "completion_date": "2018-03-29",
      "has_results": false,
      "last_update_posted_date": "2019-03-20",
      "last_synced_at": "2026-10-13T21:14:22.463Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03396250"
    },
    {
      "nct_id": "NCT03459612",
      "title": "A Study of Lasmiditan on Simulated Driving Performance in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Lasmiditan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 68,
      "start_date": "2018-03-26",
      "completion_date": "2018-06-23",
      "has_results": true,
      "last_update_posted_date": "2020-01-13",
      "last_synced_at": "2026-10-13T21:14:22.463Z",
      "location_count": 3,
      "location_summary": "Daytona Beach, Florida • Dallas, Texas • Madison, Wisconsin",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03459612"
    },
    {
      "nct_id": "NCT00429702",
      "title": "Diphenhydramine, Lorazepam, and Dexamethasone in Treating Nausea and Vomiting Caused By Chemotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nausea",
        "Vomiting",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "Decadron®",
          "type": "DRUG"
        },
        {
          "name": "Benadryl®",
          "type": "DRUG"
        },
        {
          "name": "Ativan®",
          "type": "DRUG"
        },
        {
          "name": "ondansetron hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "8 Years to 18 Years"
      },
      "enrollment_count": 7,
      "start_date": "2007-10",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2014-07-25",
      "last_synced_at": "2026-10-13T21:14:22.463Z",
      "location_count": 6,
      "location_summary": "Fort Myers, Florida • Orlando, Florida • Tampa, Florida + 3 more",
      "locations": [
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00429702"
    },
    {
      "nct_id": "NCT00067990",
      "title": "Angiotensin II Blockade for Chronic Allograft Nephropathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Kidney Disease",
        "Proteinuria"
      ],
      "interventions": [
        {
          "name": "Losartan 100mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 153,
      "start_date": "2002-12",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2017-09-18",
      "last_synced_at": "2026-10-13T21:14:22.463Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00067990"
    },
    {
      "nct_id": "NCT06043323",
      "title": "A Phase II Study of Axicabtagene Ciloleucel, an Anti-CD19 Chimeric Antigen Receptor (CAR) Tcell Therapy, in Combination With Radiotherapy (RT) in Relapsed/Refractory Follicular Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Follicular Lymphoma"
      ],
      "interventions": [
        {
          "name": "Axicabtagene Ciloleucel",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2024-01-08",
      "completion_date": "2028-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-13T21:14:22.463Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06043323"
    },
    {
      "nct_id": "NCT02709018",
      "title": "A Controlled Trial of Losartan in Posttraumatic Stress Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "losartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "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": 149,
      "start_date": "2016-07-16",
      "completion_date": "2020-09-29",
      "has_results": true,
      "last_update_posted_date": "2021-03-12",
      "last_synced_at": "2026-10-13T21:14:22.463Z",
      "location_count": 6,
      "location_summary": "La Jolla, California • Washington D.C., District of Columbia • Bethesda, Maryland + 3 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Belmont",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02709018"
    }
  ]
}