{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=47",
    "query": {
      "intervention": "Challenge",
      "page": 47
    },
    "page_size": 10
  },
  "pagination": {
    "page": 47,
    "page_size": 10,
    "total_count": 1541,
    "total_pages": 155,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=48&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Challenge&page=46&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T18:48:55.608Z",
  "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": "NCT06701188",
      "title": "Supportive Training After Cardiac Rehabilitation Including Virtual Engagement",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adherence to Physical Activity After Completing Cardiac Rehabilitation (CR) in Older Adults"
      ],
      "interventions": [
        {
          "name": "Virtual Coaching and social support",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "55 Years to 100 Years"
      },
      "enrollment_count": 286,
      "start_date": "2025-05-13",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-10-29T18:48:55.608Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06701188"
    },
    {
      "nct_id": "NCT00604786",
      "title": "The Effect of Omalizumab on Responses to Cat Allergen Challenge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "omalizumab",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 18,
      "start_date": "2007-07",
      "completion_date": "2009-01",
      "has_results": true,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-10-29T18:48:55.608Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00604786"
    },
    {
      "nct_id": "NCT05775497",
      "title": "Optimizing an Online Behavioral Weight Loss Intervention and Novel Culturally Tailored Components for Sexual Minority Women",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Behavioral weight loss intervention (Online; Rx Weight Loss)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Minority stress intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social support intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Negative body image intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Miriam Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 88,
      "start_date": "2024-05-01",
      "completion_date": "2025-12-29",
      "has_results": false,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-10-29T18:48:55.608Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05775497"
    },
    {
      "nct_id": "NCT04645641",
      "title": "Evaluation of the Safety and Effectiveness of the Dexcom Glucose Monitoring (CGM) System",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Continuous Glucose Monitoring System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "DexCom, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2020-10-12",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2020-11-27",
      "last_synced_at": "2026-10-29T18:48:55.608Z",
      "location_count": 4,
      "location_summary": "Escondido, California • Aurora, Colorado • Idaho Falls, Idaho + 1 more",
      "locations": [
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04645641"
    },
    {
      "nct_id": "NCT03589794",
      "title": "rCSP/AP10-602 [GLA-LSQ] Vaccine Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Plasmodium Falciparum Infection"
      ],
      "interventions": [
        {
          "name": "AP10-602",
          "type": "OTHER"
        },
        {
          "name": "Malaria challenge",
          "type": "OTHER"
        },
        {
          "name": "rCSP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 65,
      "start_date": "2018-12-21",
      "completion_date": "2022-07-05",
      "has_results": false,
      "last_update_posted_date": "2023-07-10",
      "last_synced_at": "2026-10-29T18:48:55.608Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03589794"
    },
    {
      "nct_id": "NCT04426981",
      "title": "Behavioral Activation in Orthopaedic Trauma Patients: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fractures, Bone"
      ],
      "interventions": [
        {
          "name": "Behavioral Activation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock 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": "2020-10-09",
      "completion_date": "2021-09-03",
      "has_results": false,
      "last_update_posted_date": "2022-01-27",
      "last_synced_at": "2026-10-29T18:48:55.608Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04426981"
    },
    {
      "nct_id": "NCT03704064",
      "title": "Behavioral Weight Loss and Stigma Reduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Stigma-Reduction Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Weight Loss (BWL)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2018-10-16",
      "completion_date": "2021-08-02",
      "has_results": true,
      "last_update_posted_date": "2022-11-02",
      "last_synced_at": "2026-10-29T18:48:55.608Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03704064"
    },
    {
      "nct_id": "NCT06995612",
      "title": "SMART-CPT for PTSD/Concussion Implementation",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PTSD",
        "Concussion, Mild"
      ],
      "interventions": [
        {
          "name": "SMART-CPT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CPT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "San Diego Veterans Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 124,
      "start_date": "2024-12-01",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2025-06-04",
      "last_synced_at": "2026-10-29T18:48:55.608Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06995612"
    },
    {
      "nct_id": "NCT03164330",
      "title": "Illinois Workplace Wellness Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Employee Health and Well-being"
      ],
      "interventions": [
        {
          "name": "Workplace Wellness Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Biometric Screening/HRA - No Compensation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Biometric Screening/HRA - Moderate Compensation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Biometric Screening/HRA - High Compensation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wellness Activities - Low Compensation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wellness Activities - High Compensation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Bureau of Economic Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4834,
      "start_date": "2016-07-11",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2020-04-24",
      "last_synced_at": "2026-10-29T18:48:55.608Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03164330"
    },
    {
      "nct_id": "NCT01783028",
      "title": "Home-Based Asthma Support and Education for Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Community Health Worker support",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Public Health - Seattle and King County",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 366,
      "start_date": "2008-03",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2014-05-12",
      "last_synced_at": "2026-10-29T18:48:55.608Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01783028"
    }
  ]
}