{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Food+Challenge",
    "query": {
      "intervention": "Food Challenge"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 123,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Food+Challenge&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T00:57:11.998Z",
  "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": "NCT01950533",
      "title": "The Utility of Food-Specific IgE Measured With the IMMULITE 2000 Assay to Predict Symptomatic Food Allergy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peanut Allergy",
        "Milk Allergy",
        "Egg Allergy"
      ],
      "interventions": [
        {
          "name": "Oral food challenge",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "3 Years to 21 Years"
      },
      "enrollment_count": 102,
      "start_date": "2013-09",
      "completion_date": "2017-03-29",
      "has_results": false,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-09-13T00:57:11.998Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01950533"
    },
    {
      "nct_id": "NCT01546753",
      "title": "Walnut Oral Immunotherapy for Tree Nut Allergy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Tree Nut Allergy"
      ],
      "interventions": [
        {
          "name": "Walnut Protein Powder",
          "type": "DRUG"
        },
        {
          "name": "Oat Powder (placebo)",
          "type": "DRUG"
        },
        {
          "name": "Open-label Walnut Protein Powder",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "6 Years to 45 Years"
      },
      "enrollment_count": 22,
      "start_date": "2012-04-27",
      "completion_date": "2020-07-02",
      "has_results": true,
      "last_update_posted_date": "2023-05-12",
      "last_synced_at": "2026-09-13T00:57:11.998Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01546753"
    },
    {
      "nct_id": "NCT05678959",
      "title": "Long-term Extension Study of Ligelizumab in Food Allergy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Food Allergy"
      ],
      "interventions": [
        {
          "name": "Ligelizumab 120 mg",
          "type": "DRUG"
        },
        {
          "name": "Ligelizumab 240 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "57 Years",
        "sex": "ALL",
        "summary": "6 Years to 57 Years"
      },
      "enrollment_count": 163,
      "start_date": "2023-04-27",
      "completion_date": "2025-03-06",
      "has_results": true,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-09-13T00:57:11.998Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05678959"
    },
    {
      "nct_id": "NCT01107431",
      "title": "Effects of a Dietary Supplement Containing L-Arabinose and Trivalent Patented Food-source of Chromium on Blood Glucose and Insulin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pre-diabetes"
      ],
      "interventions": [
        {
          "name": "L-Arabinose and Chromium",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Sucrose without dietary Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Integrative Health Technologies, Inc.",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2008-12",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2011-05-13",
      "last_synced_at": "2026-09-13T00:57:11.998Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01107431"
    },
    {
      "nct_id": "NCT03288831",
      "title": "Changes in Intestinal Permeability 4 Hours After Gluten Challenge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Celiac Disease",
        "Wheat Hypersensitivity",
        "Gluten Sensitivity",
        "Gluten Enteropathy",
        "Immune System and Related Disorders",
        "Duodenal Diseases"
      ],
      "interventions": [
        {
          "name": "Gluten",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2017-10-10",
      "completion_date": "2018-10-30",
      "has_results": false,
      "last_update_posted_date": "2019-06-07",
      "last_synced_at": "2026-09-13T00:57:11.998Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03288831"
    },
    {
      "nct_id": "NCT06098144",
      "title": "Smoking Cessation Program in the Construction Sector",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation",
        "Tobacco Use Cessation",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Nicorette",
          "type": "DRUG"
        },
        {
          "name": "Tobacco Quit-line",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief Behavioral Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intensive Behavioral Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 608,
      "start_date": "2024-04-10",
      "completion_date": "2027-07-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-13T00:57:11.998Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06098144"
    },
    {
      "nct_id": "NCT03531021",
      "title": "Increasing Heart Healthy Behaviors in Youth With Type 1 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type1diabetes",
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "Heart healthy intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Joslin Diabetes Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "14 Years to 19 Years"
      },
      "enrollment_count": 45,
      "start_date": "2018-05-03",
      "completion_date": "2019-02-08",
      "has_results": false,
      "last_update_posted_date": "2021-08-10",
      "last_synced_at": "2026-09-13T00:57:11.998Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03531021"
    },
    {
      "nct_id": "NCT05542537",
      "title": "Nurturing Healthy Teachers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutrition, Healthy",
        "Mental Health Wellness 1",
        "Diabetes Mellitus Risk",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Brighter Bites (BB) Produce Distribution",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brighter Bites (BB) Nutrition Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Create Healthy Futures (CHF) Weekly Wellness Groups",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Create Healthy Futures (CHF) Web-Based Module",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 379,
      "start_date": "2022-11-04",
      "completion_date": "2024-05-20",
      "has_results": false,
      "last_update_posted_date": "2025-07-09",
      "last_synced_at": "2026-09-13T00:57:11.998Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05542537"
    },
    {
      "nct_id": "NCT01899001",
      "title": "Mood and Nutrition Interventions in Polycystic Ovary Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome (PCOS)"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nutrition Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2013-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-11-23",
      "last_synced_at": "2026-09-13T00:57:11.998Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01899001"
    },
    {
      "nct_id": "NCT00461097",
      "title": "Oral Immunotherapy for Childhood Egg Allergy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypersensitivity",
        "Immediate Hypersensitivity",
        "Food Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Egg oral immunotherapy",
          "type": "DRUG"
        },
        {
          "name": "Control Group",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "5 Years to 18 Years"
      },
      "enrollment_count": 55,
      "start_date": "2007-05",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2017-12-13",
      "last_synced_at": "2026-09-13T00:57:11.998Z",
      "location_count": 5,
      "location_summary": "Little Rock, Arkansas • Denver, Colorado • Baltimore, Maryland + 2 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Chapel Hills",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00461097"
    }
  ]
}