{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Relaxation+Control&page=2",
    "query": {
      "intervention": "Placebo Relaxation Control",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 33,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Relaxation+Control&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Relaxation+Control&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T07:23:38.348Z",
  "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": "NCT02454608",
      "title": "Trial of Verapamil in Chronic Rhinosinusitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sinusitis",
        "Nasal Polyps"
      ],
      "interventions": [
        {
          "name": "Verapamil HCl",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Benjamin Bleier",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 29,
      "start_date": "2015-05",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2018-06-14",
      "last_synced_at": "2026-10-18T07:23:38.348Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02454608"
    },
    {
      "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": "2026-10-18T07:23:38.348Z",
      "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": "NCT06378801",
      "title": "Radicle Relaxation 24: A Study of Health and Wellness Products on Stress and Related Health Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress"
      ],
      "interventions": [
        {
          "name": "Placebo Control Form 1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Relaxation Active Study Product 1.1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Control Form 2",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Relaxation Active Study Product 2.1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Control Form 3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Relaxation Active Study Product 3.1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Control Form 4",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Relaxation Active Study Product 4.1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Relaxation Active Study Product 4.2",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Radicle Science",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "105 Years",
        "sex": "ALL",
        "summary": "21 Years to 105 Years"
      },
      "enrollment_count": 1700,
      "start_date": "2024-02-29",
      "completion_date": "2024-11-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-03",
      "last_synced_at": "2026-10-18T07:23:38.348Z",
      "location_count": 1,
      "location_summary": "Del Mar, California",
      "locations": [
        {
          "city": "Del Mar",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06378801"
    },
    {
      "nct_id": "NCT06999577",
      "title": "The Mechanism Versus PPI Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Laryngopharyngeal Reflux",
        "Cough",
        "Throat Clearing",
        "Dysphonia",
        "Reflux"
      ],
      "interventions": [
        {
          "name": "Omeprazole 40 MG",
          "type": "DRUG"
        },
        {
          "name": "Laryngeal Recalibration Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "GERD Lifestyle Recommendations",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 160,
      "start_date": "2025-06-04",
      "completion_date": "2029-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-10-18T07:23:38.348Z",
      "location_count": 1,
      "location_summary": "San Deigo, California",
      "locations": [
        {
          "city": "San Deigo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06999577"
    },
    {
      "nct_id": "NCT01914939",
      "title": "A Randomized, Controlled Trial of Intranasal Oxytocin as an Adjunct to Behavioral Therapy for Autism Spectrum Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autism Spectrum Disorders"
      ],
      "interventions": [
        {
          "name": "Oxytocin",
          "type": "DRUG"
        },
        {
          "name": "Social Skills focused CBT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stress management/relaxation training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "placebo drug",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "MALE",
        "summary": "18 Years to 40 Years · Male only"
      },
      "enrollment_count": 92,
      "start_date": "2014-04",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2020-01-27",
      "last_synced_at": "2026-10-18T07:23:38.348Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01914939"
    },
    {
      "nct_id": "NCT03651583",
      "title": "Examining the Efficacy of Kiko Exercises on the Prevention of Migraine Headaches",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Migraine Headache"
      ],
      "interventions": [
        {
          "name": "Kiko exercises-combines breathing and movement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Regional Clinical Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 13,
      "start_date": "2006-01",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2018-08-29",
      "last_synced_at": "2026-10-18T07:23:38.348Z",
      "location_count": 1,
      "location_summary": "Endwell, New York",
      "locations": [
        {
          "city": "Endwell",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03651583"
    },
    {
      "nct_id": "NCT02690194",
      "title": "A Prospective Study Investigating the Use of Relaxation Prior to Medical Procedures.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "Placebo Group",
          "type": "DEVICE"
        },
        {
          "name": "Buddhify Therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2015-08",
      "completion_date": "2017-01-10",
      "has_results": true,
      "last_update_posted_date": "2018-12-21",
      "last_synced_at": "2026-10-18T07:23:38.348Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02690194"
    },
    {
      "nct_id": "NCT01057797",
      "title": "Nurse Managed Upper Body Strength Training in Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Exercise-specific self-efficacy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Gentle chair exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "upper body strength training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 208,
      "start_date": "2003-09",
      "completion_date": "2009-01",
      "has_results": false,
      "last_update_posted_date": "2010-01-27",
      "last_synced_at": "2026-10-18T07:23:38.348Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01057797"
    },
    {
      "nct_id": "NCT01451697",
      "title": "Cognitive Remediation for Neuropsychological Impairment in Compulsive Hoarding",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Hoarding Disorder",
        "Attentional Impairment"
      ],
      "interventions": [
        {
          "name": "Cognitive Remediation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control (Placebo)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Hartford Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2011-07",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2019-05-20",
      "last_synced_at": "2026-10-18T07:23:38.348Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01451697"
    },
    {
      "nct_id": "NCT02400723",
      "title": "Anxiety in Older Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety Disorders"
      ],
      "interventions": [
        {
          "name": "Progressive Muscle Relaxation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diaphragmatic Breathing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Psychoeducation (Placebo)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2018-12-05",
      "completion_date": "2021-03-01",
      "has_results": true,
      "last_update_posted_date": "2023-01-31",
      "last_synced_at": "2026-10-18T07:23:38.348Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02400723"
    }
  ]
}