{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=JNJ+64304500",
    "query": {
      "intervention": "JNJ 64304500"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T16:51:43.464Z",
  "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": "NCT04667052",
      "title": "A Study to Compare Two Different Subcutaneously-administered JNJ-64304500 Formulations in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "JNJ 64304500",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 43,
      "start_date": "2021-01-13",
      "completion_date": "2021-06-15",
      "has_results": false,
      "last_update_posted_date": "2025-02-03",
      "last_synced_at": "2026-09-03T16:51:43.464Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04667052"
    },
    {
      "nct_id": "NCT04655807",
      "title": "A Study of JNJ-64304500 as Add-on Therapy in Participants With Active Crohn's Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Crohn Disease"
      ],
      "interventions": [
        {
          "name": "JNJ-64304500",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab",
          "type": "DRUG"
        },
        {
          "name": "Ustekinumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-03-03",
      "completion_date": "2023-09-04",
      "has_results": false,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-09-03T16:51:43.464Z",
      "location_count": 1,
      "location_summary": "Evansville, Indiana",
      "locations": [
        {
          "city": "Evansville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04655807"
    },
    {
      "nct_id": "NCT02877134",
      "title": "Safety and Efficacy Study of JNJ-64304500 in Participants With Moderately to Severely Active Crohn's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Crohn Disease"
      ],
      "interventions": [
        {
          "name": "JNJ-64304500",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ustekinumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 388,
      "start_date": "2016-08-25",
      "completion_date": "2022-01-24",
      "has_results": true,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-09-03T16:51:43.464Z",
      "location_count": 37,
      "location_summary": "Lone Tree, Colorado • Coral Gables, Florida • Kissimmee, Florida + 34 more",
      "locations": [
        {
          "city": "Lone Tree",
          "state": "Colorado"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miramar",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02877134"
    },
    {
      "nct_id": "NCT04740970",
      "title": "A Study of JNJ-64304500 in Participants With Alopecia Areata",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "JNJ-64304500",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-03-24",
      "completion_date": "2022-07-20",
      "has_results": false,
      "last_update_posted_date": "2021-05-04",
      "last_synced_at": "2026-09-03T16:51:43.464Z",
      "location_count": 9,
      "location_summary": "Tampa, Florida • Plainfield, Indiana • Louisville, Kentucky + 5 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Plainfield",
          "state": "Indiana"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04740970"
    }
  ]
}