{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=diphenhydramine+hydrochloride&page=2",
    "query": {
      "intervention": "diphenhydramine hydrochloride",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 258,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=diphenhydramine+hydrochloride&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=diphenhydramine+hydrochloride&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T08:01:40.619Z",
  "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": "NCT06801626",
      "title": "Novel Strategies for Reducing Burn Scar Itch",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Burn Scar",
        "Itch Scarring",
        "Wound"
      ],
      "interventions": [
        {
          "name": "Famotidine and 4% topical cromolyn sodium",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "OTHER"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "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": 44,
      "start_date": "2025-03-01",
      "completion_date": "2028-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-08T08:01:40.619Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06801626"
    },
    {
      "nct_id": "NCT06702670",
      "title": "Anticholinergics for Cervical Edema in Labor",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Labor Dystocia"
      ],
      "interventions": [
        {
          "name": "Treatment with Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Usual Care",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2025-03-25",
      "completion_date": "2027-04-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-10-08T08:01:40.619Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06702670"
    },
    {
      "nct_id": "NCT00550342",
      "title": "Rituximab Treatment of Focal Segmental Glomerulosclerosis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Focal Segmental Glomerulosclerosis (FSGS)"
      ],
      "interventions": [
        {
          "name": "rituximab",
          "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": "5 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "5 Years to 60 Years"
      },
      "enrollment_count": 0,
      "start_date": "2008-01",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2025-05-06",
      "last_synced_at": "2026-10-08T08:01:40.619Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00550342"
    },
    {
      "nct_id": "NCT00923910",
      "title": "Wilm's Tumor 1 Protein Vaccine to Treat Cancers of the Blood",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Leukemia, Acute Myelogenous (AML)",
        "Leukemia, Acute Lymphocytic (ALL)",
        "Leukemia, Chronic Myelogenous (CML)",
        "Myelodysplastic Syndrome (MDS)",
        "Non-Hodgkin's Lymphoma (NHL)"
      ],
      "interventions": [
        {
          "name": "WT1 Peptide-Pulsed Dendritic Cells",
          "type": "DRUG"
        },
        {
          "name": "Donor Lymphocytes",
          "type": "DRUG"
        },
        {
          "name": "IL-4",
          "type": "DRUG"
        },
        {
          "name": "KLH",
          "type": "DRUG"
        },
        {
          "name": "WT1 Peptides",
          "type": "DRUG"
        },
        {
          "name": "Endotoxin",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "1 Year to 74 Years"
      },
      "enrollment_count": 10,
      "start_date": "2008-02-22",
      "completion_date": "2016-11-15",
      "has_results": true,
      "last_update_posted_date": "2017-04-12",
      "last_synced_at": "2026-10-08T08:01:40.619Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00923910"
    },
    {
      "nct_id": "NCT01745913",
      "title": "Randomized HaploCord Blood Transplantation vs. Double Umbilical Cord Blood Transplantation for Hematologic Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia",
        "Myelodysplastic Syndrome",
        "Acute Lymphocytic Leukemia",
        "Hodgkin's Lymphoma",
        "Non-Hodgkin's Lymphoma"
      ],
      "interventions": [
        {
          "name": "CliniMACS® CD34 Reagent System",
          "type": "DEVICE"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Rabbit ATG",
          "type": "DRUG"
        },
        {
          "name": "Double Umbilical Cord Blood Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Haplo-Identical Cord Transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2012-10-26",
      "completion_date": "2015-04-29",
      "has_results": true,
      "last_update_posted_date": "2018-07-11",
      "last_synced_at": "2026-10-08T08:01:40.619Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01745913"
    },
    {
      "nct_id": "NCT02688985",
      "title": "Study to Explore the Mechanism of Action of Ocrelizumab and B-Cell Biology in Participants With Relapsing Multiple Sclerosis (RMS) or Primary Progressive Multiple Sclerosis (PPMS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsing Multiple Sclerorsis",
        "Multiple Sclerosis, Primary Progressive"
      ],
      "interventions": [
        {
          "name": "Ocrelizumab",
          "type": "DRUG"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Methyloprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Antihistamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 131,
      "start_date": "2016-04-29",
      "completion_date": "2023-04-11",
      "has_results": true,
      "last_update_posted_date": "2024-06-04",
      "last_synced_at": "2026-10-08T08:01:40.619Z",
      "location_count": 12,
      "location_summary": "Palo Alto, California • San Francisco, California • Aurora, Colorado + 9 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02688985"
    },
    {
      "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": "2026-10-08T08:01:40.619Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01455389"
    },
    {
      "nct_id": "NCT05674721",
      "title": "A Bioequivalence Study of Advil PM Liqui-Gels Minis (Ibuprofen/Diphenhydramine Hydrochloride 200 mg/25 mg) Compared to the Current Marketed Advil PM Liqui-Gels (Ibuprofen/Diphenhydramine Hydrochloride 200 mg/25 mg) in Healthy Adult Subjects Under Fasted Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Advil PM Liqui-Gels Minis",
          "type": "DRUG"
        },
        {
          "name": "Advil PM Liqui-Gels",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "HALEON",
      "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": 77,
      "start_date": "2023-01-05",
      "completion_date": "2023-03-21",
      "has_results": true,
      "last_update_posted_date": "2024-08-23",
      "last_synced_at": "2026-10-08T08:01:40.619Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05674721"
    },
    {
      "nct_id": "NCT00226941",
      "title": "A Phase 1-2 Trial of Cetuximab in Combination With Oxaliplatin, Capecitabine, and Radiation Therapy Followed by Surgery for Locally-advanced Rectal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Rectal Cancer",
        "Colo-rectal Cancer"
      ],
      "interventions": [
        {
          "name": "Cetuximab",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Diphenhydramine hydrochloride (HCl)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "George Albert Fisher",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2004-06",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2017-12-08",
      "last_synced_at": "2026-10-08T08:01:40.619Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00226941"
    },
    {
      "nct_id": "NCT01332630",
      "title": "TPI 287 in Breast Cancer Metastatic to the Brain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "TPI 287",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Benadryl",
          "type": "DRUG"
        },
        {
          "name": "Ranitidine",
          "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": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2011-08-16",
      "completion_date": "2017-04-14",
      "has_results": true,
      "last_update_posted_date": "2018-09-20",
      "last_synced_at": "2026-10-08T08:01:40.619Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01332630"
    }
  ]
}