{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+Group+participants",
    "query": {
      "intervention": "Observation Group participants"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 332,
    "total_pages": 34,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+Group+participants&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T15:38:33.793Z",
  "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": "NCT06704282",
      "title": "Assessing the Impact of VR-Based Observational Mindfulness Meditation on Stress Reduction in Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress",
        "Anxiety",
        "Depression"
      ],
      "interventions": [
        {
          "name": "VR Mindfulness Meditation Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2024-11-25",
      "completion_date": "2025-02-23",
      "has_results": false,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-09-03T15:38:33.793Z",
      "location_count": 1,
      "location_summary": "Erie, Pennsylvania",
      "locations": [
        {
          "city": "Erie",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06704282"
    },
    {
      "nct_id": "NCT06129994",
      "title": "Ecological Momentary Assessment Study of Adolescents and Young Adults With Type 1 Diabetes (EMA-T1D)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "13 Years to 26 Years"
      },
      "enrollment_count": 47,
      "start_date": "2023-11-07",
      "completion_date": "2025-08-10",
      "has_results": false,
      "last_update_posted_date": "2025-10-06",
      "last_synced_at": "2026-09-03T15:38:33.793Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06129994"
    },
    {
      "nct_id": "NCT06104657",
      "title": "Qualitative Techniques to Define Meaningful Within-Patient Change in Symptoms of Advanced Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphoid System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2023-05-31",
      "completion_date": "2023-08-07",
      "has_results": false,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-09-03T15:38:33.793Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06104657"
    },
    {
      "nct_id": "NCT07681050",
      "title": "Phosphate in Acute Pancreatitis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatitis"
      ],
      "interventions": [
        {
          "name": "Sodium Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Potassium Phosphate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-07-09",
      "completion_date": "2029-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-09-03T15:38:33.793Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07681050"
    },
    {
      "nct_id": "NCT01886885",
      "title": "Mindfulness Based Chronic Pain Management: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Mindfulness Based Chronic Pain Management Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2013-01",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2023-11-08",
      "last_synced_at": "2026-09-03T15:38:33.793Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01886885"
    },
    {
      "nct_id": "NCT03784976",
      "title": "Iyengar Yoga Therapy for Dysmenorrhea and Endometriosis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Secondary Dysmenorrhea",
        "Dysmenorrhea",
        "Dysmenorrhea Secondary",
        "Polycystic Ovary Syndrome",
        "Endometriosis",
        "Fibroid",
        "Menstrual Pain",
        "Menstrual Disorder",
        "Menstrual Discomfort"
      ],
      "interventions": [
        {
          "name": "Iyengar Yoga Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 65 Years · Female only"
      },
      "enrollment_count": 90,
      "start_date": "2018-07-03",
      "completion_date": "2021-07-02",
      "has_results": false,
      "last_update_posted_date": "2018-12-24",
      "last_synced_at": "2026-09-03T15:38:33.793Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03784976"
    },
    {
      "nct_id": "NCT04375761",
      "title": "COVID-19: Human Epidemiology and Response to SARS-CoV-2",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronavirus Disease 2019 (COVID-19)",
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "Collection of Biological Samples",
          "type": "PROCEDURE"
        },
        {
          "name": "Symptom and Exposure Surveys",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 5599,
      "start_date": "2020-05-01",
      "completion_date": "2021-03-29",
      "has_results": true,
      "last_update_posted_date": "2025-08-06",
      "last_synced_at": "2026-09-03T15:38:33.793Z",
      "location_count": 20,
      "location_summary": "Aurora, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 8 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04375761"
    },
    {
      "nct_id": "NCT04557059",
      "title": "A Study of Adding Apalutamide to Radiotherapy and LHRH Agonist in High-Risk Patients With Hormone-Sensitive Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "LHRHa",
          "type": "DRUG"
        },
        {
          "name": "Apalutamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Janssen Pharmaceutica N.V., Belgium",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 691,
      "start_date": "2020-11-12",
      "completion_date": "2031-09-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-03T15:38:33.793Z",
      "location_count": 13,
      "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Lakewood, Colorado + 10 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Jeffersonville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04557059"
    },
    {
      "nct_id": "NCT07654426",
      "title": "The CARDIOPROTECT Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Large B-cell Lymphoma (DLBCL)",
        "Cardiotoxicity",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Dexrazoxane",
          "type": "DRUG"
        },
        {
          "name": "Dexrazoxane placebo",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Liposomal Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Polatuzumab Vedotin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-08-31",
      "completion_date": "2035-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-03T15:38:33.793Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07654426"
    },
    {
      "nct_id": "NCT02437773",
      "title": "Neurocircuit Mechanisms of OCD Across the Lifespan",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obsessive-Compulsive Disorder"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy - Adolescents",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stress Management Therapy - Adolescents",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Optional CBT - Adolescents",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Behavioral Therapy - Adults",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stress Management Therapy - Adults",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Optional CBT - Adults",
          "type": "BEHAVIORAL"
        },
        {
          "name": "fMRI only - Healthy Control Adults",
          "type": "OTHER"
        },
        {
          "name": "fMRI only - Healthy Control Adolescents",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "13 Years to 45 Years"
      },
      "enrollment_count": 206,
      "start_date": "2015-03-09",
      "completion_date": "2020-10-21",
      "has_results": false,
      "last_update_posted_date": "2020-11-06",
      "last_synced_at": "2026-09-03T15:38:33.793Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02437773"
    }
  ]
}