{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Guselkumab+Dose+1",
    "query": {
      "intervention": "Guselkumab Dose 1"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Guselkumab+Dose+1&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T04:11:56.799Z",
  "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": "NCT05923073",
      "title": "A Study of Guselkumab in Pediatric Participants With Moderately to Severely Active Crohn's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Guselkumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 120,
      "start_date": "2024-03-13",
      "completion_date": "2028-08-14",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-19T04:11:56.799Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • Hartford, Connecticut • Atlanta, Georgia + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05923073"
    },
    {
      "nct_id": "NCT01645280",
      "title": "A Study of the Effectiveness and Safety of Ustekinumab (STELARA) and CNTO 1959 Administered Under the Skin of Patients With Active Rheumatoid Arthritis, Despite Existing Methotrexate Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Arthritis, Rheumatoid"
      ],
      "interventions": [
        {
          "name": "Placebo + methotrexate (MTX) (Group 1)",
          "type": "DRUG"
        },
        {
          "name": "Ustekinumab + MTX (Group 2)",
          "type": "DRUG"
        },
        {
          "name": "Ustekinumab + MTX (Group 3)",
          "type": "DRUG"
        },
        {
          "name": "CNTO 1959 + MTX (Group 4)",
          "type": "DRUG"
        },
        {
          "name": "CNTO 1959 + MTX (Group 5)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 274,
      "start_date": "2012-08",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2016-05-12",
      "last_synced_at": "2026-09-19T04:11:56.799Z",
      "location_count": 3,
      "location_summary": "Palm Harbor, Florida • Rock Island, Illinois • St Louis, Missouri",
      "locations": [
        {
          "city": "Palm Harbor",
          "state": "Florida"
        },
        {
          "city": "Rock Island",
          "state": "Illinois"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01645280"
    },
    {
      "nct_id": "NCT05083182",
      "title": "A Study of Ustekinumab or Guselkumab in Pediatric Participants With Active Juvenile Psoriatic Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis, Juvenile"
      ],
      "interventions": [
        {
          "name": "Ustekinumab",
          "type": "DRUG"
        },
        {
          "name": "Guselkumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 48,
      "start_date": "2022-08-30",
      "completion_date": "2026-06-23",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-19T04:11:56.799Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Boston, Massachusetts • New York, New York + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05083182"
    },
    {
      "nct_id": "NCT04882098",
      "title": "A Study of Guselkumab in Participants With Active Psoriatic Arthritis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis, Psoriatic"
      ],
      "interventions": [
        {
          "name": "Guselkumab",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1054,
      "start_date": "2021-06-17",
      "completion_date": "2027-10-06",
      "has_results": true,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-19T04:11:56.799Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • Flagstaff, Arizona • Glendale, Arizona + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Flagstaff",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Palma",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04882098"
    },
    {
      "nct_id": "NCT05528510",
      "title": "A Study of Guselkumab Therapy in Participants With Moderately to Severely Active Ulcerative Colitis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Colitis, Ulcerative"
      ],
      "interventions": [
        {
          "name": "Guselkumab Dose 1",
          "type": "DRUG"
        },
        {
          "name": "Guselkumab Dose 2",
          "type": "DRUG"
        },
        {
          "name": "Guselkumab Dose 3",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 418,
      "start_date": "2022-09-13",
      "completion_date": "2028-10-06",
      "has_results": true,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-19T04:11:56.799Z",
      "location_count": 32,
      "location_summary": "Litchfield Park, Arizona • Apple Valley, California • Lancaster, California + 26 more",
      "locations": [
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        },
        {
          "city": "Apple Valley",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05528510"
    },
    {
      "nct_id": "NCT03628924",
      "title": "A Study to Evaluate the Efficacy, Safety, and Tolerability of Guselkumab for the Treatment of Participants With Moderate to Severe Hidradenitis Suppurativa (HS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hidradenitis Suppurativa"
      ],
      "interventions": [
        {
          "name": "Guselkumab dose 1",
          "type": "DRUG"
        },
        {
          "name": "Guselkumab dose 2",
          "type": "DRUG"
        },
        {
          "name": "Guselkumab dose 3",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 184,
      "start_date": "2018-09-04",
      "completion_date": "2020-05-22",
      "has_results": true,
      "last_update_posted_date": "2025-02-04",
      "last_synced_at": "2026-09-19T04:11:56.799Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • Largo, Florida • Ocala, Florida + 14 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Largo",
          "state": "Florida"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Orange Park",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03628924"
    },
    {
      "nct_id": "NCT06260163",
      "title": "A Study of Guselkumab in Pediatric Participants With Moderately to Severely Active Ulcerative Colitis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Colitis, Ulcerative"
      ],
      "interventions": [
        {
          "name": "Guselkumab Subcutaneous",
          "type": "DRUG"
        },
        {
          "name": "Guselkumab Intravenous",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 112,
      "start_date": "2024-01-19",
      "completion_date": "2027-04-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-19T04:11:56.799Z",
      "location_count": 3,
      "location_summary": "Oakland, California • Indianapolis, Indiana • Lake Success, New York",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Lake Success",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06260163"
    },
    {
      "nct_id": "NCT05242471",
      "title": "A Study of Combination Therapy With Guselkumab and Golimumab in Participants With Moderately to Severely Active Crohn's Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Guselkumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Golimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "JNJ-78934804",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "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": 703,
      "start_date": "2022-07-22",
      "completion_date": "2029-11-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-19T04:11:56.799Z",
      "location_count": 90,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 79 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Apple Valley",
          "state": "California"
        },
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05242471"
    },
    {
      "nct_id": "NCT05004727",
      "title": "Multi-Center PAMPA Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Psoriasis"
      ],
      "interventions": [
        {
          "name": "Guselkumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 176,
      "start_date": "2022-02-16",
      "completion_date": "2028-11-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-09-19T04:11:56.799Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • New York, New York • Rochester, New York",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05004727"
    },
    {
      "nct_id": "NCT03573323",
      "title": "A Study of Ixekizumab (LY2439821) Compared to Guselkumab in Participants With Moderate-to-Severe Plaque Psoriasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Plaque Psoriasis"
      ],
      "interventions": [
        {
          "name": "Ixekizumab",
          "type": "DRUG"
        },
        {
          "name": "Guselkumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1027,
      "start_date": "2018-11-09",
      "completion_date": "2020-01-08",
      "has_results": true,
      "last_update_posted_date": "2020-07-28",
      "last_synced_at": "2026-09-19T04:11:56.799Z",
      "location_count": 98,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 82 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03573323"
    }
  ]
}