{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biofeedback+Relaxation+Training",
    "query": {
      "intervention": "Biofeedback Relaxation Training"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 45,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biofeedback+Relaxation+Training&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T08:57:21.186Z",
  "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": "NCT00018811",
      "title": "Psychological Assessment and Treatment of Chronic Benign Headache",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Headache",
        "Migraine",
        "Tension Headache",
        "Stress Headache",
        "Vascular Headache"
      ],
      "interventions": [
        {
          "name": "Relaxation training & thermal biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Surface EMG biofeedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "1999-04",
      "completion_date": "2003-03",
      "has_results": false,
      "last_update_posted_date": "2009-01-21",
      "last_synced_at": "2026-09-05T08:57:21.186Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00018811"
    },
    {
      "nct_id": "NCT04933474",
      "title": "Pragmatic Comparative Effectiveness Trial of Evidence-based, On-demand, Digital Behavioral Treatments for Chronic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "painTRAINER®",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Skills-Based VR",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 330,
      "start_date": "2022-03-23",
      "completion_date": "2024-06-12",
      "has_results": true,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-05T08:57:21.186Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04933474"
    },
    {
      "nct_id": "NCT03270813",
      "title": "RAGE-Control: Teaching Emotional Self-regulation Through Videogame Play",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anger",
        "Aggression"
      ],
      "interventions": [
        {
          "name": "Relaxation training plus RAGE-Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Relaxation training plus Sham Videogame",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 40,
      "start_date": "2015-06",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2020-07-07",
      "last_synced_at": "2026-09-05T08:57:21.186Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03270813"
    },
    {
      "nct_id": "NCT04195685",
      "title": "Neurofeedback Impact on Veterans With mTBI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion",
        "mTBI",
        "Post-Concussive Symptoms",
        "Chronic Headache",
        "Chronic Insomnia",
        "Chronic Attention Disorder"
      ],
      "interventions": [
        {
          "name": "Neurofeedback (NFB)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 87,
      "start_date": "2021-03-16",
      "completion_date": "2025-02-10",
      "has_results": true,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-09-05T08:57:21.186Z",
      "location_count": 1,
      "location_summary": "Honolulu, Hawaii",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04195685"
    },
    {
      "nct_id": "NCT02758938",
      "title": "Urological Biofeedback Game Software",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "Urologic biofeedback software",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2016-06",
      "completion_date": "2018-09",
      "has_results": false,
      "last_update_posted_date": "2019-01-09",
      "last_synced_at": "2026-09-05T08:57:21.186Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02758938"
    },
    {
      "nct_id": "NCT03271086",
      "title": "Relaxation Breathing Training for Children",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress Disorder",
        "Biofeedback"
      ],
      "interventions": [
        {
          "name": "The StressEraser",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Breathe2Relax",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reminder text messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "6 Years to 11 Years"
      },
      "enrollment_count": 0,
      "start_date": "2020-10",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2020-11-17",
      "last_synced_at": "2026-09-05T08:57:21.186Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03271086"
    },
    {
      "nct_id": "NCT01182051",
      "title": "A Study of Family-based Cognitive-behavioral Therapy for Chronic Pediatric Headache and Anxiety",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric",
        "Headache",
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "CBT or relaxation training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 15,
      "start_date": "2010-03",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2013-05-24",
      "last_synced_at": "2026-09-05T08:57:21.186Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01182051"
    },
    {
      "nct_id": "NCT04296110",
      "title": "Impact of a Biofeedback Intervention on Microbiome, Metabolome, and Clinical Outcomes in Pediatric IBD (Study 2)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "IBD"
      ],
      "interventions": [
        {
          "name": "Biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Music Relaxation Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 48,
      "start_date": "2020-03-12",
      "completion_date": "2024-08-14",
      "has_results": false,
      "last_update_posted_date": "2024-08-15",
      "last_synced_at": "2026-09-05T08:57:21.186Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04296110"
    },
    {
      "nct_id": "NCT02766374",
      "title": "Heart Rate Variability Biofeedback: It's Role in Asthma Therapeutics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Heart rate variability biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Fred Wamboldt, MD",
      "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": 68,
      "start_date": "2009-12",
      "completion_date": "2018-01",
      "has_results": true,
      "last_update_posted_date": "2019-01-15",
      "last_synced_at": "2026-09-05T08:57:21.186Z",
      "location_count": 2,
      "location_summary": "Denver, Colorado • Piscataway, New Jersey",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02766374"
    },
    {
      "nct_id": "NCT05602220",
      "title": "Heart Rate and Breathing Effects on Attention and Memory",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging",
        "Alzheimer Disease",
        "Age-related Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "Brain training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Paced breathing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "50 Years to 70 Years"
      },
      "enrollment_count": 91,
      "start_date": "2023-01-11",
      "completion_date": "2023-11-13",
      "has_results": true,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-09-05T08:57:21.186Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05602220"
    }
  ]
}