{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=23",
    "query": {
      "intervention": "Challenge",
      "page": 23
    },
    "page_size": 10
  },
  "pagination": {
    "page": 23,
    "page_size": 10,
    "total_count": 1539,
    "total_pages": 154,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=24&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=22&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T03:03:55.353Z",
  "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": "NCT06333288",
      "title": "Pilot Trial to Evaluate PROblem Solving Therapy and APPLE Watch for College Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "PST-APPLE Watch group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Education-only control group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 26,
      "start_date": "2024-04-15",
      "completion_date": "2024-11-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-13",
      "last_synced_at": "2026-10-25T03:03:55.353Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06333288"
    },
    {
      "nct_id": "NCT07015996",
      "title": "Efficacy of Tezepelumab in Peanut Oral Immunotherapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Peanut Allergy"
      ],
      "interventions": [
        {
          "name": "Tezepelumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Peanut Oral Immunotherapy (OIT)",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Tezepelumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "12 Years to 55 Years"
      },
      "enrollment_count": 62,
      "start_date": "2026-07-27",
      "completion_date": "2029-05",
      "has_results": false,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-10-25T03:03:55.353Z",
      "location_count": 10,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • Baltimore, Maryland + 6 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07015996"
    },
    {
      "nct_id": "NCT01869790",
      "title": "Evaluation of Fats on Postprandial Glucose Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "Different fat types",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Joslin Diabetes Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2013-06",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2017-04-26",
      "last_synced_at": "2026-10-25T03:03:55.353Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01869790"
    },
    {
      "nct_id": "NCT01951118",
      "title": "Olfactory Deficits and Donepezil Treatment in Cognitively Impaired Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Mild Cognitive Impairment",
        "Delirium, Dementia, Amnestic, Cognitive Disorders"
      ],
      "interventions": [
        {
          "name": "Donepezil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "55 Years to 95 Years"
      },
      "enrollment_count": 121,
      "start_date": "2013-10",
      "completion_date": "2019-05",
      "has_results": true,
      "last_update_posted_date": "2020-07-13",
      "last_synced_at": "2026-10-25T03:03:55.353Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01951118"
    },
    {
      "nct_id": "NCT04371120",
      "title": "Brain Injury Self-Efficacy Scale Validation",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Traumatic Brain Injury",
        "Self Efficacy"
      ],
      "interventions": [
        {
          "name": "BICS Q",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Rehabilitation Hospital of Indiana",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2019-04-01",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-10-25T03:03:55.353Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04371120"
    },
    {
      "nct_id": "NCT04857060",
      "title": "Palliative Care Educator",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Advance Care Planning",
        "Palliative Care",
        "Alzheimer's Disease and Related Dementias",
        "Doctor-patient Communication",
        "Video Decision Aids"
      ],
      "interventions": [
        {
          "name": "ACP Educator led, video assisted discussion",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11174,
      "start_date": "2021-07-01",
      "completion_date": "2022-10-31",
      "has_results": true,
      "last_update_posted_date": "2026-01-12",
      "last_synced_at": "2026-10-25T03:03:55.353Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Manhasset, New York",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04857060"
    },
    {
      "nct_id": "NCT06245096",
      "title": "Evaluating Process of Change in Cognitive Behavioral Therapy and Acceptance and Commitment Therapy for Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Acceptance and Commitment Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 116,
      "start_date": "2024-02-14",
      "completion_date": "2026-04-29",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-10-25T03:03:55.353Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06245096"
    },
    {
      "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": "2026-10-25T03:03:55.353Z",
      "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"
    },
    {
      "nct_id": "NCT05172427",
      "title": "Acceptability/Feasibility of IU Intervention",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Generalized Anxiety Disorder",
        "Emotional Disorder"
      ],
      "interventions": [
        {
          "name": "14 days of EMI",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Uncertainty reappraisal training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2021-09-15",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-12-29",
      "last_synced_at": "2026-10-25T03:03:55.353Z",
      "location_count": 1,
      "location_summary": "Athens, Ohio",
      "locations": [
        {
          "city": "Athens",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05172427"
    },
    {
      "nct_id": "NCT07868588",
      "title": "Leveraging Interventions for Caregiver Growth, Health, Training, Empowerment and Navigation: Comparing Group Behavioral Interventions to Improve Dementia Caregiver Strain",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Elevated Caregiver Strain",
        "Dementia Caregiver",
        "Caregiver Stress"
      ],
      "interventions": [
        {
          "name": "Caring Together",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Savvy Caregiver",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2026-10-13",
      "completion_date": "2031-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-25T03:03:55.353Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07868588"
    }
  ]
}