{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cat+Immunotherapy+Placebo",
    "query": {
      "intervention": "Cat Immunotherapy Placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T12:18:26.223Z",
  "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": "NCT01620762",
      "title": "Phase III Cat-PAD Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rhinoconjunctivitis"
      ],
      "interventions": [
        {
          "name": "Cat-PAD",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Circassia Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 1408,
      "start_date": "2012-10",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2018-06-15",
      "last_synced_at": "2026-09-22T12:18:26.223Z",
      "location_count": 52,
      "location_summary": "Rolling Hills Estates, California • Colorado Springs, Colorado • Denver, Colorado + 49 more",
      "locations": [
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Wheat Ridge",
          "state": "Colorado"
        },
        {
          "city": "Eagle",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01620762"
    },
    {
      "nct_id": "NCT02237196",
      "title": "Anti-TSLP (AMG 157) Plus Antigen-Specific Immunotherapy for Induction of Tolerance in Individuals With Cat Allergy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cat Allergy",
        "Cat Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "AMG 157",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cat Immunotherapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cat Immunotherapy Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AMG 157 Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 121,
      "start_date": "2015-03-03",
      "completion_date": "2019-03-04",
      "has_results": true,
      "last_update_posted_date": "2020-05-06",
      "last_synced_at": "2026-09-22T12:18:26.223Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Denver, Colorado • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02237196"
    },
    {
      "nct_id": "NCT00346398",
      "title": "Promoting Tolerance to Common Allergens in High-Risk Children: Global Prevention of Asthma in Children (GPAC) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma",
        "Allergic Sensitization"
      ],
      "interventions": [
        {
          "name": "Oral mucosal immunoprophylaxis (OMIP)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "30 Months",
        "sex": "ALL",
        "summary": "12 Months to 30 Months"
      },
      "enrollment_count": 51,
      "start_date": "2006-05",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2017-05-01",
      "last_synced_at": "2026-09-22T12:18:26.223Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00346398"
    },
    {
      "nct_id": "NCT07383441",
      "title": "Adding Biotherapy or Placebo to Standard Treatment for Advanced Kidney Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Clear Cell Renal Cell Carcinoma",
        "Metastatic Clear Cell Renal Cell Carcinoma",
        "Stage III Renal Cell Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Axitinib",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabozantinib",
          "type": "DRUG"
        },
        {
          "name": "Clostridium butyricum CBM 588 Probiotic Strain",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lenvatinib",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab and Recombinant Human Hyaluronidase",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Administration",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 718,
      "start_date": "2026-06-05",
      "completion_date": "2034-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-22T12:18:26.223Z",
      "location_count": 41,
      "location_summary": "Fayetteville, Arkansas • Jonesboro, Arkansas • Rogers, Arkansas + 36 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07383441"
    },
    {
      "nct_id": "NCT00689299",
      "title": "Phase 2 Study in Adults Sensitized to Cat",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Allergy"
      ],
      "interventions": [
        {
          "name": "Standardized Allergenic Extract, Cat Hair",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Antigen Laboratories, 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": 167,
      "start_date": "2008-10",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2014-05-01",
      "last_synced_at": "2026-09-22T12:18:26.223Z",
      "location_count": 3,
      "location_summary": "San Diego, California • Marietta, Georgia • St Louis, Missouri",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00689299"
    },
    {
      "nct_id": "NCT03914612",
      "title": "Testing the Addition of the Immunotherapy Drug Pembrolizumab to the Usual Chemotherapy Treatment (Paclitaxel and Carboplatin) in Stage III-IV or Recurrent Endometrial Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Endometrial Clear Cell Adenocarcinoma",
        "Endometrial Dedifferentiated Carcinoma",
        "Endometrial Endometrioid Adenocarcinoma",
        "Endometrial Mixed Cell Adenocarcinoma",
        "Endometrial Serous Adenocarcinoma",
        "Endometrial Undifferentiated Carcinoma",
        "Recurrent Endometrial Adenocarcinoma",
        "Recurrent Endometrial Carcinoma",
        "Recurrent Endometrial Clear Cell Adenocarcinoma",
        "Recurrent Endometrial Dedifferentiated Carcinoma",
        "Recurrent Endometrial Endometrioid Adenocarcinoma",
        "Recurrent Endometrial Mixed Cell Adenocarcinoma",
        "Recurrent Endometrial Serous Adenocarcinoma",
        "Recurrent Endometrial Undifferentiated Carcinoma",
        "Stage III Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8",
        "Stage IV Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 813,
      "start_date": "2019-08-22",
      "completion_date": "2026-09-26",
      "has_results": true,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-22T12:18:26.223Z",
      "location_count": 370,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Goodyear, Arizona + 272 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03914612"
    }
  ]
}