{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Participant+Feedback",
    "query": {
      "intervention": "Participant Feedback"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1671,
    "total_pages": 168,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Participant+Feedback&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T00:25:01.727Z",
  "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": "NCT03487991",
      "title": "Stress, Sleep and Cardiovascular Risk",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Personalized sleep intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Howard University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 168,
      "start_date": "2017-10-01",
      "completion_date": "2021-10-31",
      "has_results": false,
      "last_update_posted_date": "2018-04-04",
      "last_synced_at": "2026-09-02T00:25:01.727Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03487991"
    },
    {
      "nct_id": "NCT02723708",
      "title": "Ventral Tegmental Area (VTA) Self-Activation in Attention Deficit Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Real-Time functional Magnetic Resonance Imaging Feedback (RTFF)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 66,
      "start_date": "2016-08",
      "completion_date": "2021-10-05",
      "has_results": false,
      "last_update_posted_date": "2023-08-22",
      "last_synced_at": "2026-09-02T00:25:01.727Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02723708"
    },
    {
      "nct_id": "NCT03783325",
      "title": "Assessing Gene-Environment Interactions in Clinical Presentation of Nevi and Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nevi and Melanomas"
      ],
      "interventions": [
        {
          "name": "UV Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "UV Photo",
          "type": "OTHER"
        },
        {
          "name": "Biological Sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 71,
      "start_date": "2017-02-17",
      "completion_date": "2022-06-17",
      "has_results": false,
      "last_update_posted_date": "2023-10-23",
      "last_synced_at": "2026-09-02T00:25:01.727Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03783325"
    },
    {
      "nct_id": "NCT02630225",
      "title": "Helping Individuals With Firearm Injuries",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Wounds, Gunshot"
      ],
      "interventions": [
        {
          "name": "Critical Time Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as Usual",
          "type": "OTHER"
        },
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multi-Agency Attention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 232,
      "start_date": "2016-03-23",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-04-06",
      "last_synced_at": "2026-09-02T00:25:01.727Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02630225"
    },
    {
      "nct_id": "NCT04171895",
      "title": "Communication Training for Caregivers In Advanced Care Planning",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Malignant Brain Tumors",
        "Advanced Care Planning"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Communication training Part 1 (no longer recruiting)",
          "type": "OTHER"
        },
        {
          "name": "Enhanced usual care",
          "type": "OTHER"
        },
        {
          "name": "Communication training Part II",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2019-11-19",
      "completion_date": "2024-08-22",
      "has_results": false,
      "last_update_posted_date": "2024-08-26",
      "last_synced_at": "2026-09-02T00:25:01.727Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04171895"
    },
    {
      "nct_id": "NCT06678672",
      "title": "Contingency Management for Veteran Smokers Undergoing Major Elective Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Substance Use Disorder (SUD)"
      ],
      "interventions": [
        {
          "name": "Contingency Management (CM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as Usual (TAU)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2025-08-01",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-02T00:25:01.727Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06678672"
    },
    {
      "nct_id": "NCT06768762",
      "title": "Optimizing a Remote-based Physical Activity Intervention for Adults With Total Knee Replacement",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Phone Coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Progress reports to providers",
          "type": "BEHAVIORAL"
        },
        {
          "name": "'Hear from Others' Videos",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Individualized Feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Online exercise program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 336,
      "start_date": "2025-01-21",
      "completion_date": "2029-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-02T00:25:01.727Z",
      "location_count": 1,
      "location_summary": "Columbia, South Carolina",
      "locations": [
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06768762"
    },
    {
      "nct_id": "NCT05293756",
      "title": "OPtimizing Technology to Improve Medication Adherence and BP Control (OPTIMA-BP)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension",
        "Self-Management",
        "Technology",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "OPTIMA-BP Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Case Western Reserve University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 208,
      "start_date": "2021-02-14",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-09-02T00:25:01.727Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05293756"
    },
    {
      "nct_id": "NCT03101553",
      "title": "Computerized Treatment for Social Anxiety",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Social Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Interpretation Bias Modification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Progressive Muscle Relaxation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 65,
      "start_date": "2017-02-10",
      "completion_date": "2017-11-01",
      "has_results": false,
      "last_update_posted_date": "2021-01-29",
      "last_synced_at": "2026-09-02T00:25:01.727Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03101553"
    },
    {
      "nct_id": "NCT04495751",
      "title": "Muscadine Grape Extract to Improve Fatigue",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "Muscadine grape extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Quality of Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Participant Feedback",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2021-04-20",
      "completion_date": "2024-08-26",
      "has_results": true,
      "last_update_posted_date": "2025-10-16",
      "last_synced_at": "2026-09-02T00:25:01.727Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04495751"
    }
  ]
}