{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=35",
    "query": {
      "intervention": "Observation only",
      "page": 35
    },
    "page_size": 10
  },
  "pagination": {
    "page": 35,
    "page_size": 10,
    "total_count": 879,
    "total_pages": 88,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=36&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=34&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-03T01:44:45.599Z",
  "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": "NCT03295071",
      "title": "REALITY LHON Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leber Hereditary Optic Neuropathy"
      ],
      "interventions": [
        {
          "name": "Patient-reported outcomes (PROs)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GenSight Biologics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 44,
      "start_date": "2018-01-03",
      "completion_date": "2020-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-11-03T01:44:45.599Z",
      "location_count": 5,
      "location_summary": "Pasadena, California • Atlanta, Georgia • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03295071"
    },
    {
      "nct_id": "NCT01540578",
      "title": "Studying Biomarkers as a Diagnostic Tool in Samples From Younger Patients With B-Cell Acute Lymphoblastic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "B-cell Childhood Acute Lymphoblastic Leukemia",
        "Childhood Acute Lymphoblastic Leukemia in Remission",
        "Recurrent Childhood Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 70,
      "start_date": "2012-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-05-18",
      "last_synced_at": "2026-11-03T01:44:45.599Z",
      "location_count": 1,
      "location_summary": "Monrovia, California",
      "locations": [
        {
          "city": "Monrovia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01540578"
    },
    {
      "nct_id": "NCT02061735",
      "title": "Ontogeny of Infantile Hemangiomas With Skin Imaging Modalities",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infantile Hemangiomas"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "1 Month to 5 Years"
      },
      "enrollment_count": 118,
      "start_date": "2011-10",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-05-06",
      "last_synced_at": "2026-11-03T01:44:45.599Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02061735"
    },
    {
      "nct_id": "NCT07633171",
      "title": "Multimodal Glucose Prediction in Type 2 Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Digital Health Data Collection System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 36,
      "start_date": "2026-10-07",
      "completion_date": "2027-02-26",
      "has_results": false,
      "last_update_posted_date": "2026-10-08",
      "last_synced_at": "2026-11-03T01:44:45.599Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07633171"
    },
    {
      "nct_id": "NCT05981092",
      "title": "A Study About the Natural History in Adults With BAG3 Dilated Cardiomyopathy (a Type of Heart Disease) (BAG3 DCM)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiomyopathy, Dilated",
        "Bcl-2 Anathogene-3 (BAG3) Dilated Cardiomyopathy (DCM)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2022-10-14",
      "completion_date": "2027-08-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-11-03T01:44:45.599Z",
      "location_count": 6,
      "location_summary": "Palo Alto, California • Aurora, Colorado • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05981092"
    },
    {
      "nct_id": "NCT06240598",
      "title": "A Study of Second Look Laparoscopy (SLL) in People With Ovarian Cancer Who Have Completed Their First Course of Chemotherapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Second Look Laparoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2024-01-26",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-11-03T01:44:45.599Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06240598"
    },
    {
      "nct_id": "NCT04561232",
      "title": "Locomotor Learning in Infants at High Risk for Cerebral Palsy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cerebral Palsy"
      ],
      "interventions": [
        {
          "name": "Prone and Upright Locomotor Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Weeks",
        "sex": "ALL",
        "summary": "Up to 6 Weeks"
      },
      "enrollment_count": 60,
      "start_date": "2020-12-15",
      "completion_date": "2025-08-04",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-11-03T01:44:45.599Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04561232"
    },
    {
      "nct_id": "NCT02968316",
      "title": "Bioelectric Impedance Analysis and Pregnancy Outcomes",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy Complications"
      ],
      "interventions": [
        {
          "name": "BIA measurement",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Maternal Fetal Medicine Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 1000,
      "start_date": "2017-01",
      "completion_date": "2019-01",
      "has_results": false,
      "last_update_posted_date": "2016-11-18",
      "last_synced_at": "2026-11-03T01:44:45.599Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02968316"
    },
    {
      "nct_id": "NCT01625221",
      "title": "Feasibility Study of the Magnetic Anal Sphincter (FENIX System)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fecal Incontinence"
      ],
      "interventions": [
        {
          "name": "Magnetic Anal Sphincter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Torax Medical Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "19 Years to 84 Years"
      },
      "enrollment_count": 35,
      "start_date": "2008-12",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2018-01-03",
      "last_synced_at": "2026-11-03T01:44:45.599Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Spokane, Washington",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01625221"
    },
    {
      "nct_id": "NCT06727799",
      "title": "A Non-Treatment Clinical Evaluation of the ELITA Single Piece Patient Interface for Docking Procedure With the ELITA",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Refractive Error"
      ],
      "interventions": [
        {
          "name": "Docking Assessment / Observation",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Johnson & Johnson Surgical Vision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2024-12-06",
      "completion_date": "2025-03-28",
      "has_results": false,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-11-03T01:44:45.599Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Draper, Utah",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Draper",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06727799"
    }
  ]
}