{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=25+mg+diphenhydramine+IV&page=3",
    "query": {
      "intervention": "25 mg diphenhydramine IV",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 53,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=25+mg+diphenhydramine+IV&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=25+mg+diphenhydramine+IV&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T16:59:14.896Z",
  "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": "NCT04743661",
      "title": "131I-Omburtamab, in Recurrent Medulloblastoma and Ependymoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Medulloblastoma",
        "Recurrent Ependymoma"
      ],
      "interventions": [
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "Omburtamab I-131",
          "type": "DRUG"
        },
        {
          "name": "Liothyronine",
          "type": "DRUG"
        },
        {
          "name": "SSKI",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Antipyretic",
          "type": "DRUG"
        },
        {
          "name": "Antihistamine",
          "type": "DRUG"
        },
        {
          "name": "anti-emetics",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pediatric Brain Tumor Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 62,
      "start_date": "2022-04-04",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-28",
      "last_synced_at": "2026-10-14T16:59:14.896Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • New York, New York • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04743661"
    },
    {
      "nct_id": "NCT01382940",
      "title": "A Study on The Safety of Administering Rituximab at A More Rapid Rate in Patients With Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "rituximab",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "antihistamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 351,
      "start_date": "2011-07-26",
      "completion_date": "2013-01-06",
      "has_results": true,
      "last_update_posted_date": "2017-08-01",
      "last_synced_at": "2026-10-14T16:59:14.896Z",
      "location_count": 86,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Gilbert, Arizona + 77 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01382940"
    },
    {
      "nct_id": "NCT01451762",
      "title": "A Dose Ranging Effect of Preoperative Diphenhydramine on Postoperative Quality of Recovery After Ambulatory Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgery",
        "Pain"
      ],
      "interventions": [
        {
          "name": ".9 normal saline",
          "type": "DRUG"
        },
        {
          "name": "25 mg diphenhydramine IV",
          "type": "DRUG"
        },
        {
          "name": "50 mg diphenhydramine IV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 90,
      "start_date": "2011-09",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2014-03-14",
      "last_synced_at": "2026-10-14T16:59:14.896Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01451762"
    },
    {
      "nct_id": "NCT00515073",
      "title": "Papillary Serous Carcinoma of the Endometrium",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Pelvic Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Cimetidine",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 30,
      "start_date": "2001-04",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2014-07-03",
      "last_synced_at": "2026-10-14T16:59:14.896Z",
      "location_count": 2,
      "location_summary": "Orlando, Florida • Houston, Texas",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00515073"
    },
    {
      "nct_id": "NCT04268498",
      "title": "A Study of Daratumumab, Carfilzomib, Lenalidomide, and Dexamethasone in Patients With Newly-Diagnosed Multiple Myeloma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Bortezomib",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Montelukast",
          "type": "DRUG"
        },
        {
          "name": "Carfilzomib",
          "type": "DRUG"
        },
        {
          "name": "Daratumumab",
          "type": "DRUG"
        },
        {
          "name": "Autologous Stem Cell Transplant (ASCT)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "University of Miami",
      "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": 310,
      "start_date": "2020-02-11",
      "completion_date": "2027-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-24",
      "last_synced_at": "2026-10-14T16:59:14.896Z",
      "location_count": 7,
      "location_summary": "Miami, Florida • Tampa, Florida • Buffalo, New York + 4 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04268498"
    },
    {
      "nct_id": "NCT02735343",
      "title": "The CHECK Trial: A Comparison of Headache Treatment in the Emergency Department: Compazine Versus Ketamine",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Headache"
      ],
      "interventions": [
        {
          "name": "Compazine",
          "type": "DRUG"
        },
        {
          "name": "Ketamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mike O'Callaghan Military Hospital",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 5,
      "start_date": "2016-08",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2024-03-04",
      "last_synced_at": "2026-10-14T16:59:14.896Z",
      "location_count": 1,
      "location_summary": "Nellis Air Force Base, Nevada",
      "locations": [
        {
          "city": "Nellis Air Force Base",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02735343"
    },
    {
      "nct_id": "NCT01455389",
      "title": "TUSC2-nanoparticles and Erlotinib in Stage IV Lung Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "DOTAP:Chol-TUSC2",
          "type": "DRUG"
        },
        {
          "name": "Erlotinib",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genprex, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2014-02",
      "completion_date": "2020-09-28",
      "has_results": false,
      "last_update_posted_date": "2022-03-02",
      "last_synced_at": "2026-10-14T16:59:14.896Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01455389"
    },
    {
      "nct_id": "NCT04862221",
      "title": "TReatment for ImmUne Mediated PathopHysiology",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Liver Failure",
        "Fulminant Hepatic Failure",
        "Hepatic Encephalopathy",
        "Acute Liver Injury",
        "Immune Dysregulation"
      ],
      "interventions": [
        {
          "name": "High-dose methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Equine anti-thymocyte globulin",
          "type": "DRUG"
        },
        {
          "name": "Prednisolone",
          "type": "DRUG"
        },
        {
          "name": "Placebo for prednisolone",
          "type": "DRUG"
        },
        {
          "name": "Placebo for infusions",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "1 Year to 18 Years"
      },
      "enrollment_count": 44,
      "start_date": "2022-02-09",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-14T16:59:14.896Z",
      "location_count": 17,
      "location_summary": "Los Angeles, California • Palo Alto, California • San Diego, California + 14 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04862221"
    },
    {
      "nct_id": "NCT02474199",
      "title": "Donor Alloantigen Reactive Tregs (darTregs) for Calcineurin Inhibitor (CNI) Reduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Liver Transplant Recipient",
        "Living Donor (of the Respective Liver Transplant Recipient)"
      ],
      "interventions": [
        {
          "name": "darTregs",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Immunosuppression (IS) Withdrawal",
          "type": "DRUG"
        },
        {
          "name": "Study Mandated Procedures",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 15,
      "start_date": "2016-06-06",
      "completion_date": "2019-12-16",
      "has_results": true,
      "last_update_posted_date": "2021-02-09",
      "last_synced_at": "2026-10-14T16:59:14.896Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Chicago, Illinois • Rochester, Minnesota",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02474199"
    },
    {
      "nct_id": "NCT02188719",
      "title": "Donor-Alloantigen-Reactive Regulatory T Cell (darTregs) in Liver Transplantation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Liver Transplantation"
      ],
      "interventions": [
        {
          "name": "Anti-Thymocyte Globulin - Rabbit",
          "type": "BIOLOGICAL"
        },
        {
          "name": "darTreg Infusion",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Everolimus",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Anti-Infective Prophylaxis",
          "type": "DRUG"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draws",
          "type": "PROCEDURE"
        },
        {
          "name": "Liver biopsies",
          "type": "PROCEDURE"
        },
        {
          "name": "Liver transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 15,
      "start_date": "2014-12-17",
      "completion_date": "2019-06-18",
      "has_results": true,
      "last_update_posted_date": "2020-09-22",
      "last_synced_at": "2026-10-14T16:59:14.896Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Chicago, Illinois • Rochester, Minnesota",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02188719"
    }
  ]
}