{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Sinus+Arrhythmia",
    "query": {
      "condition": "Respiratory Sinus Arrhythmia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T03:38:52.250Z",
  "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": "NCT04241913",
      "title": "Mom Power With High-Adversity Mothers and Children",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Self-regulation",
        "Respiratory Sinus Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Mom Power Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tulane University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2021-06-01",
      "completion_date": "2021-06-01",
      "has_results": false,
      "last_update_posted_date": "2021-06-04",
      "last_synced_at": "2026-05-22T03:38:52.250Z",
      "location_count": 2,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04241913"
    },
    {
      "nct_id": "NCT05893459",
      "title": "Beneficial or Fostering Future Struggles (B.F.F.s)? Characterizing the Role of Friends in the Development of 13- to 17-Year-Old Adolescents",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Child Maltreatment",
        "Interpersonal Relations",
        "Victimisation",
        "Psychopathology",
        "Electrocardiography"
      ],
      "interventions": [
        {
          "name": "Debrief",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 120,
      "start_date": "2023-12-02",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-07-16",
      "last_synced_at": "2026-05-22T03:38:52.250Z",
      "location_count": 1,
      "location_summary": "Columbia, South Carolina",
      "locations": [
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05893459"
    },
    {
      "nct_id": "NCT03974503",
      "title": "Understanding Trauma Nightmares Using In-Home Measurement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nightmares",
        "Stress Disorders, Post-Traumatic",
        "Actigraphy",
        "Respiratory Sinus Arrhythmia",
        "Veterans"
      ],
      "interventions": [
        {
          "name": "Exposure, Relaxation, and Rescripting Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep and Nightmare Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2019-12-02",
      "completion_date": "2025-04-07",
      "has_results": true,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-05-22T03:38:52.250Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03974503"
    },
    {
      "nct_id": "NCT03336710",
      "title": "Perspective on Thoughts and Feelings as a Predictor of Psychological Well-being in Daily Life, in a Community Sample",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mental Health",
        "Mindfulness"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 380,
      "start_date": "2017-07-06",
      "completion_date": "2018-12-17",
      "has_results": false,
      "last_update_posted_date": "2019-07-30",
      "last_synced_at": "2026-05-22T03:38:52.250Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03336710"
    },
    {
      "nct_id": "NCT06172699",
      "title": "Assert-IQ Implantable Cardiac Monitor (ICM) Post Market Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation Paroxysmal",
        "Atrial Fibrillation, Persistent",
        "Cardiac Arrhythmia",
        "Ablation"
      ],
      "interventions": [
        {
          "name": "Holter monitoring in patients who have been successfully implanted with an Abbott Assert-IQ ICM device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 151,
      "start_date": "2024-01-01",
      "completion_date": "2025-11-10",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-05-22T03:38:52.250Z",
      "location_count": 11,
      "location_summary": "San Diego, California • Orlando, Florida • Overland Park, Kansas + 8 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06172699"
    },
    {
      "nct_id": "NCT06778356",
      "title": "Effect of Environment on the Central and Peripheral Nervous System",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rumination"
      ],
      "interventions": [
        {
          "name": "Built environment",
          "type": "OTHER"
        },
        {
          "name": "Natural environment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 95,
      "start_date": "2025-02-14",
      "completion_date": "2026-05-20",
      "has_results": false,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-05-22T03:38:52.250Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06778356"
    },
    {
      "nct_id": "NCT05129397",
      "title": "Virtual Mom Power With High-Adversity Mothers and Children (MPHAMC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychopathology"
      ],
      "interventions": [
        {
          "name": "Mom Power",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mom Power Informational Mailing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tulane University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2021-11-01",
      "completion_date": "2024-01-30",
      "has_results": false,
      "last_update_posted_date": "2024-08-07",
      "last_synced_at": "2026-05-22T03:38:52.250Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05129397"
    },
    {
      "nct_id": "NCT03101826",
      "title": "Optimizing the Social Engagement System in Prader-Willi Syndrome: Insights From the Polyvagal Theory",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "Listening Project Protocol",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "13 Years to 25 Years"
      },
      "enrollment_count": 5,
      "start_date": "2017-11-01",
      "completion_date": "2023-03-08",
      "has_results": false,
      "last_update_posted_date": "2023-04-03",
      "last_synced_at": "2026-05-22T03:38:52.250Z",
      "location_count": 1,
      "location_summary": "Brewster, Massachusetts",
      "locations": [
        {
          "city": "Brewster",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03101826"
    },
    {
      "nct_id": "NCT03077945",
      "title": "A Cognitive Behavioral Stress Intervention for Women Who Smoke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Smoking Cessation",
        "Stress",
        "Stress, Emotional",
        "Stress Reaction"
      ],
      "interventions": [
        {
          "name": "heart rate variability biofeedback and cognitive reappraisal",
          "type": "BEHAVIORAL"
        },
        {
          "name": "control tasks",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 70,
      "start_date": "2016-12-01",
      "completion_date": "2017-05-30",
      "has_results": false,
      "last_update_posted_date": "2018-03-14",
      "last_synced_at": "2026-05-22T03:38:52.250Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03077945"
    },
    {
      "nct_id": "NCT04632641",
      "title": "Suture Closure AFtEr VEIN Access for Cardiac Procedures (SAFE-VEIN) Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter",
        "Heart Block",
        "Pulmonary Embolism and Thrombosis",
        "Mitral Valve Repair",
        "Sinus Node Dysfunction",
        "Bradycardia",
        "Brady-tachy Syndrome"
      ],
      "interventions": [
        {
          "name": "Perclose ProGlide Suture-Mediated Closure System (SMC) - LARGE-BORE PROCEDURES",
          "type": "DEVICE"
        },
        {
          "name": "Figure 8 Suture - LARGE-BORE PROCEDURES",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2021-04-23",
      "completion_date": "2023-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-05-22T03:38:52.250Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04632641"
    }
  ]
}