{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study+only&page=11",
    "query": {
      "intervention": "Observational study only",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 730,
    "total_pages": 73,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study+only&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study+only&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T17:49:19.149Z",
  "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": "NCT05602337",
      "title": "A Prospective Multicenter Sample Collection Study Using Non-invasive Methods to Investigate Mutation Burden in Non-lesional Facial Skin of Patients With a Hx of Skin Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Melanoma and Other Malignant Neoplasms of Skin"
      ],
      "interventions": [
        {
          "name": "Observational Study Only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "DermTech",
      "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": 180,
      "start_date": "2022-11-15",
      "completion_date": "2025-03-15",
      "has_results": false,
      "last_update_posted_date": "2022-11-02",
      "last_synced_at": "2026-10-30T17:49:19.149Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05602337"
    },
    {
      "nct_id": "NCT03445988",
      "title": "Cognitive Behavioral Therapy and Chronic Pain Self-Management Within the Context of Opioid Reduction: The EMPOWER Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Chronic Pain Self Management Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Taper Only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 1462,
      "start_date": "2018-07-24",
      "completion_date": "2023-11-06",
      "has_results": true,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-30T17:49:19.149Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03445988"
    },
    {
      "nct_id": "NCT04017962",
      "title": "A Study of the Drug Letermovir (LTV) as Prevention for Recurrent of Cytomegalovirus (CMV) Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "CMV",
        "CMV Infection",
        "Hematopoietic Cell Transplant"
      ],
      "interventions": [
        {
          "name": "Letermovir Pill",
          "type": "DRUG"
        },
        {
          "name": "blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2019-07-19",
      "completion_date": "2025-07-29",
      "has_results": true,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-10-30T17:49:19.149Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • New York, New York",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04017962"
    },
    {
      "nct_id": "NCT00719303",
      "title": "Diet and Physical Activity Change or Usual Care in Improving Progression-Free Survival in Patients With Previously Treated Stage II, III, or IV Ovarian, Fallopian Tube, or Primary Peritoneal Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Fallopian Tube Clear Cell Adenocarcinoma",
        "Fallopian Tube Endometrioid Adenocarcinoma",
        "Fallopian Tube Mucinous Adenocarcinoma",
        "Fallopian Tube Serous Adenocarcinoma",
        "Fallopian Tube Transitional Cell Carcinoma",
        "Malignant Ovarian Brenner Tumor",
        "Ovarian Clear Cell Adenocarcinoma",
        "Ovarian Endometrioid Adenocarcinoma",
        "Ovarian Mucinous Adenocarcinoma",
        "Ovarian Seromucinous Carcinoma",
        "Ovarian Serous Adenocarcinoma",
        "Ovarian Transitional Cell Carcinoma",
        "Primary Peritoneal Serous Adenocarcinoma",
        "Stage IIA Fallopian Tube Cancer AJCC v6 and v7",
        "Stage IIA Ovarian Cancer AJCC V6 and v7",
        "Stage IIB Fallopian Tube Cancer AJCC v6 and v7",
        "Stage IIB Ovarian Cancer AJCC v6 and v7",
        "Stage IIC Fallopian Tube Cancer AJCC v6 and v7",
        "Stage IIC Ovarian Cancer AJCC v6 and v7",
        "Stage IIIA Fallopian Tube Cancer AJCC v7",
        "Stage IIIA Ovarian Cancer AJCC v6 and v7",
        "Stage IIIA Primary Peritoneal Cancer AJCC v7",
        "Stage IIIB Fallopian Tube Cancer AJCC v7",
        "Stage IIIB Ovarian Cancer AJCC v6 and v7",
        "Stage IIIB Primary Peritoneal Cancer AJCC v7",
        "Stage IIIC Fallopian Tube Cancer AJCC v7",
        "Stage IIIC Ovarian Cancer AJCC v6 and v7",
        "Stage IIIC Primary Peritoneal Cancer AJCC v7",
        "Stage IV Fallopian Tube Cancer AJCC v6 and v7",
        "Stage IV Ovarian Cancer AJCC v6 and v7",
        "Stage IV Primary Peritoneal Cancer AJCC v7",
        "Undifferentiated Fallopian Tube Carcinoma",
        "Undifferentiated Ovarian Carcinoma"
      ],
      "interventions": [
        {
          "name": "Behavioral Dietary Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Compliance Monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Counseling",
          "type": "OTHER"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1070,
      "start_date": "2012-06-18",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2018-02-19",
      "last_synced_at": "2026-10-30T17:49:19.149Z",
      "location_count": 687,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Anchorage, Alaska + 452 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00719303"
    },
    {
      "nct_id": "NCT05844982",
      "title": "Intravitreal Faricimab Injections or Fluocinolone Acetonide (0.19 mg) Intravitreal Implants vs Observation for Prevention of VA Loss Due to Radiation Retinopathy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Radiation Retinopathy",
        "Visual Impairment"
      ],
      "interventions": [
        {
          "name": "Faricimab",
          "type": "DRUG"
        },
        {
          "name": "fluocinolone acetonide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2023-11-21",
      "completion_date": "2029-12-26",
      "has_results": false,
      "last_update_posted_date": "2026-10-23",
      "last_synced_at": "2026-10-30T17:49:19.149Z",
      "location_count": 29,
      "location_summary": "Palo Alto, California • Manchester, Connecticut • Tampa, Florida + 24 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Manchester",
          "state": "Connecticut"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05844982"
    },
    {
      "nct_id": "NCT07904377",
      "title": "ACORYS AI4AF PILOT STUDY",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Acorys Mapping System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2026-01-28",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-29",
      "last_synced_at": "2026-10-30T17:49:19.149Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07904377"
    },
    {
      "nct_id": "NCT03543176",
      "title": "Chronic Obstructive Pulmonary Disease (COPD) Dual Therapy Burden of Illness",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "UMEC/VI",
          "type": "OTHER"
        },
        {
          "name": "FLUT/SAL",
          "type": "OTHER"
        },
        {
          "name": "CAT",
          "type": "OTHER"
        },
        {
          "name": "mMRC",
          "type": "OTHER"
        },
        {
          "name": "Ellipta",
          "type": "DEVICE"
        },
        {
          "name": "Diskus",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 789,
      "start_date": "2018-05-31",
      "completion_date": "2019-08-21",
      "has_results": true,
      "last_update_posted_date": "2020-08-05",
      "last_synced_at": "2026-10-30T17:49:19.149Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03543176"
    },
    {
      "nct_id": "NCT06004440",
      "title": "Real World Registry for Use of the Ion Endoluminal System",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Multiple Pulmonary Nodules",
        "Lung Neoplasms",
        "Respiratory Tract Neoplasms",
        "Thoracic Neoplasms",
        "Neoplasms by Site",
        "Neoplasms",
        "Lung Diseases",
        "Respiratory Tract Diseases"
      ],
      "interventions": [
        {
          "name": "Ion Endoluminal System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Intuitive Surgical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1301,
      "start_date": "2023-09-21",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-30T17:49:19.149Z",
      "location_count": 16,
      "location_summary": "Orlando, Florida • Elk Grove Village, Illinois • Quincy, Illinois + 13 more",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Elk Grove Village",
          "state": "Illinois"
        },
        {
          "city": "Quincy",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06004440"
    },
    {
      "nct_id": "NCT02510040",
      "title": "A Prospective Observational Study of Adult Strabismus",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Convergence Insufficiency",
        "Divergence Insufficiency",
        "Hypertropia"
      ],
      "interventions": [
        {
          "name": "Prism",
          "type": "DEVICE"
        },
        {
          "name": "Orthoptic Exercises",
          "type": "OTHER"
        },
        {
          "name": "Eye Muscle Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Botox Injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 217,
      "start_date": "2015-08-17",
      "completion_date": "2019-01-31",
      "has_results": true,
      "last_update_posted_date": "2023-07-06",
      "last_synced_at": "2026-10-30T17:49:19.149Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02510040"
    },
    {
      "nct_id": "NCT05336253",
      "title": "Online Expert Peer Facilitation of the EVERYbody Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Body Image",
        "Eating Disorder Symptom",
        "Weight Bias"
      ],
      "interventions": [
        {
          "name": "EVERYbody Project-Connect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Help Workbook",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Western Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 170,
      "start_date": "2022-01-14",
      "completion_date": "2023-08-30",
      "has_results": false,
      "last_update_posted_date": "2023-12-18",
      "last_synced_at": "2026-10-30T17:49:19.149Z",
      "location_count": 1,
      "location_summary": "Bellingham, Washington",
      "locations": [
        {
          "city": "Bellingham",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05336253"
    }
  ]
}