{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=49",
    "query": {
      "intervention": "Challenge",
      "page": 49
    },
    "page_size": 10
  },
  "pagination": {
    "page": 49,
    "page_size": 10,
    "total_count": 1541,
    "total_pages": 155,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=50&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=48&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T18:49:00.184Z",
  "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": "NCT03978806",
      "title": "Prosperando: Fostering Resilience on Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Racial/Ethnic Minorities on Dialysis"
      ],
      "interventions": [
        {
          "name": "Active Comparator: peer navigator",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo Comparator: Control Arm (standard of care)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 139,
      "start_date": "2020-10-05",
      "completion_date": "2024-07-07",
      "has_results": false,
      "last_update_posted_date": "2024-10-21",
      "last_synced_at": "2026-10-29T18:49:00.184Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03978806"
    },
    {
      "nct_id": "NCT07599475",
      "title": "Mobile Dual-Task Brain and Balance Intervention for Concussion Recovery",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Traumatic Brain Injury (mTBI)",
        "Sports-related Concussion",
        "Heart Rate Variability (HRV)",
        "Walking",
        "Oculomotor",
        "Saliva",
        "Exosomal microRNA",
        "Cognitive Function"
      ],
      "interventions": [
        {
          "name": "Home-Based Mobile Dual-Task Intervention (BraW-Day™)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Hyunhwa Lee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-05-15",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-10-29T18:49:00.184Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07599475"
    },
    {
      "nct_id": "NCT02500628",
      "title": "Heart Rate Variability in Response to Metformin Challenge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fibromyalgia",
        "Mitochondrial Diseases",
        "Movement Disorders",
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Woodinville Psychiatric Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2015-07",
      "completion_date": "2016-02",
      "has_results": true,
      "last_update_posted_date": "2018-01-03",
      "last_synced_at": "2026-10-29T18:49:00.184Z",
      "location_count": 1,
      "location_summary": "Woodinville, Washington",
      "locations": [
        {
          "city": "Woodinville",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02500628"
    },
    {
      "nct_id": "NCT00090428",
      "title": "Diet and Behavior in Young Children With Autism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Autism",
        "Autistic Disorder"
      ],
      "interventions": [
        {
          "name": "Gluten- and casein-free diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo controlled diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Months",
        "maximum_age": "54 Months",
        "sex": "ALL",
        "summary": "30 Months to 54 Months"
      },
      "enrollment_count": 21,
      "start_date": "2004-01",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2013-02-01",
      "last_synced_at": "2026-10-29T18:49:00.184Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00090428"
    },
    {
      "nct_id": "NCT02535702",
      "title": "Development Of Neuroimaging Methods To Assess The Neurobiology Of Addiction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Normal Physiology"
      ],
      "interventions": [
        {
          "name": "In vivo MRS",
          "type": "OTHER"
        },
        {
          "name": "fMRI",
          "type": "OTHER"
        },
        {
          "name": "EEG/EOG",
          "type": "OTHER"
        },
        {
          "name": "Stimulation tasks",
          "type": "OTHER"
        },
        {
          "name": "NSPRD",
          "type": "OTHER"
        },
        {
          "name": "Structural MRI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Institute on Alcohol Abuse and Alcoholism (NIAAA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2016-06-28",
      "completion_date": "2018-11-15",
      "has_results": false,
      "last_update_posted_date": "2026-10-29",
      "last_synced_at": "2026-10-29T18:49:00.184Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02535702"
    },
    {
      "nct_id": "NCT07460453",
      "title": "Racial Disparities in the Expression of Paranoia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Paranoia",
        "Psychotic Disorders"
      ],
      "interventions": [
        {
          "name": "Guided Visual Imagery Task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 480,
      "start_date": "2026-04-13",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-29T18:49:00.184Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07460453"
    },
    {
      "nct_id": "NCT07819045",
      "title": "Self-Acceptance and Supportive Accountability for Active Living Among Adults Receiving Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Invasive Breast Carcinoma",
        "Gynecologic Malignancies"
      ],
      "interventions": [
        {
          "name": "Acceptance- and Mindfulness-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 42,
      "start_date": "2025-09-10",
      "completion_date": "2026-06-15",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-29T18:49:00.184Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07819045"
    },
    {
      "nct_id": "NCT02650245",
      "title": "Breath and Blood Ammonia Response to an Oral Protein Challenge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cirrhosis"
      ],
      "interventions": [
        {
          "name": "EAS Myoplex Protein Drink + 10gm lactulose",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "St. Luke's Hospital and Health Network, Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 12,
      "start_date": "2015-10",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-10-13",
      "last_synced_at": "2026-10-29T18:49:00.184Z",
      "location_count": 1,
      "location_summary": "Bethlehem, Pennsylvania",
      "locations": [
        {
          "city": "Bethlehem",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02650245"
    },
    {
      "nct_id": "NCT05836090",
      "title": "Family Spirit Strengths",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depressive Symptoms",
        "Anxiety Disorders and Symptoms",
        "Substance Use",
        "Mental Health Issue"
      ],
      "interventions": [
        {
          "name": "Family Spirit Strengths (FSS)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Family Spirit Nurture",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "14 Years and older · Female only"
      },
      "enrollment_count": 188,
      "start_date": "2023-04-20",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-19",
      "last_synced_at": "2026-10-29T18:49:00.184Z",
      "location_count": 3,
      "location_summary": "Chinle, Arizona • Pokagon, Michigan • Shiprock, New Mexico",
      "locations": [
        {
          "city": "Chinle",
          "state": "Arizona"
        },
        {
          "city": "Pokagon",
          "state": "Michigan"
        },
        {
          "city": "Shiprock",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05836090"
    },
    {
      "nct_id": "NCT04763590",
      "title": "Cognitive Behavioral Therapy for Mechanical Ventilation Wean",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety",
        "Cognitive Behavioral Therapy",
        "Mechanical Ventilation Complication"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "Up to 100 Years"
      },
      "enrollment_count": 2,
      "start_date": "2017-11-29",
      "completion_date": "2018-10-02",
      "has_results": false,
      "last_update_posted_date": "2023-03-21",
      "last_synced_at": "2026-10-29T18:49:00.184Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04763590"
    }
  ]
}