{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=52",
    "query": {
      "intervention": "Challenge",
      "page": 52
    },
    "page_size": 10
  },
  "pagination": {
    "page": 52,
    "page_size": 10,
    "total_count": 1541,
    "total_pages": 155,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=53&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=51&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T06:58:17.199Z",
  "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": "NCT01770366",
      "title": "A Virtual Support Pilot Program for Weight Loss Surgery Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Weight",
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Weight and Exercise Lifestyle Support (WELS)",
          "type": "DEVICE"
        },
        {
          "name": "Usual Care",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Baystate Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2013-01",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-03-13",
      "last_synced_at": "2026-10-30T06:58:17.199Z",
      "location_count": 1,
      "location_summary": "Springfield, Massachusetts",
      "locations": [
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01770366"
    },
    {
      "nct_id": "NCT05300022",
      "title": "Technology Knowledge Optimization in Type 1 Diabetes (TeKnO T1D): Parents",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "TeKnO T1D: Parents",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2025-08-15",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-09",
      "last_synced_at": "2026-10-30T06:58:17.199Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05300022"
    },
    {
      "nct_id": "NCT00362856",
      "title": "Safety and Tolerability Study of Larazotide Acetate in Celiac Disease Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Celiac Disease"
      ],
      "interventions": [
        {
          "name": "larazotide acetate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "9 Meters Biopharma, Inc.",
      "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": 80,
      "start_date": "2006-09-13",
      "completion_date": "2007-03-06",
      "has_results": false,
      "last_update_posted_date": "2017-09-12",
      "last_synced_at": "2026-10-30T06:58:17.199Z",
      "location_count": 9,
      "location_summary": "Scottsdale, Arizona • San Diego, California • Boston, Massachusetts + 6 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Morristown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00362856"
    },
    {
      "nct_id": "NCT03983434",
      "title": "Irritable Bowel Syndrome and Control Volunteers: Diet Challenge",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "IBS - Irritable Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "Inulin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 29,
      "start_date": "2019-08-13",
      "completion_date": "2023-07-31",
      "has_results": true,
      "last_update_posted_date": "2025-04-30",
      "last_synced_at": "2026-10-30T06:58:17.199Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03983434"
    },
    {
      "nct_id": "NCT03278808",
      "title": "Chloroquine (CQ) and Azithromycin (AZ) Combination for Malaria Prophylaxis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malaria"
      ],
      "interventions": [
        {
          "name": "Chloroquine-Azithromycin (CQ/AZ)",
          "type": "DRUG"
        },
        {
          "name": "Chloroquine (CQ)",
          "type": "DRUG"
        },
        {
          "name": "atovaquone-proguanil (Malarone®)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-09-17",
      "completion_date": "2020-01-01",
      "has_results": false,
      "last_update_posted_date": "2020-02-27",
      "last_synced_at": "2026-10-30T06:58:17.199Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Silver Spring, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03278808"
    },
    {
      "nct_id": "NCT05784818",
      "title": "Up To Me: Erasing the Stigma of Mental Illness on College Campuses",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mental Illness",
        "Behavior Disorders",
        "Severe Mental Illness",
        "Psychiatric Diagnosis",
        "Psychiatric Diseases",
        "Psychiatric Disorders",
        "Psychiatric Illness"
      ],
      "interventions": [
        {
          "name": "Up To Me Intervention + No Booster",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Up To Me Intervention + Booster",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 201,
      "start_date": "2022-03-07",
      "completion_date": "2024-03-30",
      "has_results": false,
      "last_update_posted_date": "2023-03-27",
      "last_synced_at": "2026-10-30T06:58:17.199Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05784818"
    },
    {
      "nct_id": "NCT03490110",
      "title": "Brain Markers of Improvements in Cognitive Functioning",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "TBI (Traumatic Brain Injury)",
        "Brain Injuries",
        "Stress",
        "Attention Deficit",
        "Executive Dysfunction"
      ],
      "interventions": [
        {
          "name": "State regulation skill training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment-as-usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 18,
      "start_date": "2017-10-01",
      "completion_date": "2019-06-01",
      "has_results": true,
      "last_update_posted_date": "2020-03-23",
      "last_synced_at": "2026-10-30T06:58:17.199Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03490110"
    },
    {
      "nct_id": "NCT04183179",
      "title": "Happy Family, Healthy Kids Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Diet",
        "Stress",
        "Pediatric Obesity",
        "Intergenerational Relations"
      ],
      "interventions": [
        {
          "name": "Happy Family, Healthy Kids Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Michigan State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "3 Years to 5 Years"
      },
      "enrollment_count": 214,
      "start_date": "2021-08-20",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-10-30T06:58:17.199Z",
      "location_count": 1,
      "location_summary": "Thompsonville, Michigan",
      "locations": [
        {
          "city": "Thompsonville",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04183179"
    },
    {
      "nct_id": "NCT01671150",
      "title": "Inflammation-Induced Depressed Mood: The Role of Social Neurocognitive Mechanisms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "endotoxin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 100,
      "start_date": "2011-03",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2014-06-18",
      "last_synced_at": "2026-10-30T06:58:17.199Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01671150"
    },
    {
      "nct_id": "NCT04630496",
      "title": "Geriatric Thoracic Surgery Ambulation Challenge",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Thoracic Diseases",
        "Surgery",
        "Therapy, Exercise"
      ],
      "interventions": [
        {
          "name": "Fitbit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2021-08-25",
      "completion_date": "2026-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-13",
      "last_synced_at": "2026-10-30T06:58:17.199Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04630496"
    }
  ]
}