{
  "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": "2026-09-21T13:39:00.627Z",
  "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": "NCT05784129",
      "title": "A Study of Guselkumab for the Treatment of Participants With Crohn's Disease After Surgical Resection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Crohn's Disease"
      ],
      "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": 4,
      "start_date": "2023-02-21",
      "completion_date": "2023-10-10",
      "has_results": true,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-09-21T13:39:00.627Z",
      "location_count": 9,
      "location_summary": "San Diego, California • Naples, Florida • Macon, Georgia + 6 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "Macon",
          "state": "Georgia"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Asheville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05784129"
    },
    {
      "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": "2026-09-21T13:39:00.627Z",
      "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": "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": "2026-09-21T13:39:00.627Z",
      "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"
    },
    {
      "nct_id": "NCT05535738",
      "title": "Using a Contact Dermatitis Model With Biologic Medications to Study Skin Inflammation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Skin Inflammation",
        "Allergic Contact Dermatitis"
      ],
      "interventions": [
        {
          "name": "Squaric Acid Dibutyl Ester",
          "type": "DRUG"
        },
        {
          "name": "Known patch test allergens",
          "type": "OTHER"
        },
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab",
          "type": "DRUG"
        },
        {
          "name": "Ustekinumab",
          "type": "DRUG"
        },
        {
          "name": "Guselkumab",
          "type": "DRUG"
        },
        {
          "name": "Canakinumab",
          "type": "DRUG"
        },
        {
          "name": "Sarilumab",
          "type": "DRUG"
        },
        {
          "name": "Triamcinolone Acetonide",
          "type": "DRUG"
        },
        {
          "name": "Betamethasone Valerate",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone Propionate",
          "type": "DRUG"
        },
        {
          "name": "Microneedle",
          "type": "DEVICE"
        },
        {
          "name": "Suction blistering",
          "type": "DEVICE"
        },
        {
          "name": "Skin punch biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Wei-Che Ko",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2022-11-15",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-09-21T13:39:00.627Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05535738"
    },
    {
      "nct_id": "NCT07138898",
      "title": "Immunosuppressant Management in Rheumatology Patients Undergoing Elective Total Shoulder Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatic Disease"
      ],
      "interventions": [
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Sulfasalazine",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine",
          "type": "DRUG"
        },
        {
          "name": "Leflunomide",
          "type": "DRUG"
        },
        {
          "name": "Azathioprine",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate",
          "type": "DRUG"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Etanercept",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab",
          "type": "DRUG"
        },
        {
          "name": "Golimumab",
          "type": "DRUG"
        },
        {
          "name": "Certolizumab",
          "type": "DRUG"
        },
        {
          "name": "Infliximab",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Belimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tocilizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Anakinra",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Canakinumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Abatacept",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Secukinumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ixekizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bimekizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ustekinumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Guselkumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Risankizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tofacitinib",
          "type": "DRUG"
        },
        {
          "name": "Upadacitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "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": 80,
      "start_date": "2025-12-12",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-09-21T13:39:00.627Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07138898"
    },
    {
      "nct_id": "NCT05242484",
      "title": "A Study of Combination Therapy With Guselkumab and Golimumab in Participants With Moderately to Severely Active Ulcerative Colitis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colitis, Ulcerative"
      ],
      "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": 577,
      "start_date": "2022-09-19",
      "completion_date": "2029-03-27",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-21T13:39:00.627Z",
      "location_count": 63,
      "location_summary": "Arcadia, California • Coronado, California • Lancaster, California + 54 more",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05242484"
    },
    {
      "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": "2026-09-21T13:39:00.627Z",
      "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": "NCT02397382",
      "title": "Pharmacokinetic Study to Evaluate the Effect of a Single Dose of Guselkumab (CNTO 1959) on CYP 450 Enzyme Activities After Subcutaneous Administration in Participants With Psoriasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Psoriasis"
      ],
      "interventions": [
        {
          "name": "Guselkumab",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Warfarin",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Dextromethorphan",
          "type": "DRUG"
        },
        {
          "name": "Caffeine",
          "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": 16,
      "start_date": "2015-06-18",
      "completion_date": "2016-08-31",
      "has_results": false,
      "last_update_posted_date": "2017-09-20",
      "last_synced_at": "2026-09-21T13:39:00.627Z",
      "location_count": 8,
      "location_summary": "Anniston, Alabama • North Hollywood, California • Orlando, Florida + 5 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "North Hollywood",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02397382"
    },
    {
      "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": "2026-09-21T13:39:00.627Z",
      "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": "NCT06249555",
      "title": "VOICE-Early Response to Vedolizumab and IL-23 Antagonists in Participants With Crohn's Disease: A Prospective Observational Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Vedolizumab (VDZ)",
          "type": "DRUG"
        },
        {
          "name": "Ustekinumab (UST)",
          "type": "DRUG"
        },
        {
          "name": "Risankizumab (RISA)",
          "type": "DRUG"
        },
        {
          "name": "Guselkumab (GUS)",
          "type": "DRUG"
        },
        {
          "name": "Mirikizumab (MIR)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alimentiv Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2024-03-20",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-21T13:39:00.627Z",
      "location_count": 11,
      "location_summary": "Sun City, Arizona • Evanston, Illinois • Iowa City, Iowa + 8 more",
      "locations": [
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Chestnut Hill",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06249555"
    }
  ]
}