{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=31",
    "query": {
      "intervention": "No intervention (observational study)",
      "page": 31
    },
    "page_size": 10
  },
  "pagination": {
    "page": 31,
    "page_size": 10,
    "total_count": 919,
    "total_pages": 92,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=32&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=30&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T02:11:43.518Z",
  "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": "NCT04660955",
      "title": "MOON Onsite MRI 10 Years After ACL Reconstruction",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "No Intervention - Observational study with MRI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "22 Years to 45 Years"
      },
      "enrollment_count": 219,
      "start_date": "2020-01-01",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-10-23T02:11:43.518Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04660955"
    },
    {
      "nct_id": "NCT02861612",
      "title": "Nerve Transfers to Restore Hand Function in Spinal Cord Injury",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Quadriplegia",
        "Spinal Cord Diseases",
        "Spinal Cord Injuries"
      ],
      "interventions": [
        {
          "name": "Nerve Transfer Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ottawa Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 0,
      "start_date": "2016-08",
      "completion_date": "2019-03-18",
      "has_results": false,
      "last_update_posted_date": "2019-03-21",
      "last_synced_at": "2026-10-23T02:11:43.518Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02861612"
    },
    {
      "nct_id": "NCT00853775",
      "title": "Family Research Study: Metabolism of Fats and Proteins in Specific Ethnic Groups",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "No intervention, observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 325,
      "start_date": "2009-02",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-10-23T02:11:43.518Z",
      "location_count": 1,
      "location_summary": "Mather, California",
      "locations": [
        {
          "city": "Mather",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00853775"
    },
    {
      "nct_id": "NCT02377102",
      "title": "Does Physical Therapy Prevent Total Knee Arthroplasty in Patients With End Stage Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Physical Therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 65,
      "start_date": "2015-02",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2017-11-14",
      "last_synced_at": "2026-10-23T02:11:43.518Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02377102"
    },
    {
      "nct_id": "NCT07046845",
      "title": "Perelel Prenatal Supplements vs. Generic Prenatal Supplements and Health of Mother and Baby (SUPPORT)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Perelel Prenatal Vitamin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Generic Prenatal Vitamin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "14 Years and older · Female only"
      },
      "enrollment_count": 600,
      "start_date": "2026-01-07",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-10-23T02:11:43.518Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07046845"
    },
    {
      "nct_id": "NCT04055051",
      "title": "ATHN 11: Liver Transplantation Outcomes Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A and B",
        "Liver Transplantation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 86,
      "start_date": "2020-06-18",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-05-10",
      "last_synced_at": "2026-10-23T02:11:43.518Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • San Francisco, California • Peoria, Illinois + 12 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Scarborough",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04055051"
    },
    {
      "nct_id": "NCT06346600",
      "title": "A Long-term Follow-up Study to Evaluate SKG0106 in the Treatment of Patients With nAMD",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neovascular (Wet) Age-related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "SKG0106",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Skyline Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 83,
      "start_date": "2025-04-02",
      "completion_date": "2031-03",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-10-23T02:11:43.518Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Katy, Texas • Norfolk, Virginia",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Katy",
          "state": "Texas"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06346600"
    },
    {
      "nct_id": "NCT05947292",
      "title": "Study Comparing Ultrasound-guided FICNB Block to Systemic Analgesia in Treatment of Pediatric Femur Fracture",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Femur Fracture"
      ],
      "interventions": [
        {
          "name": "Ultrasound-Guided Fascia Iliaca Compartment Nerve Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Zachary Binder",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 114,
      "start_date": "2022-06-01",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-10-23T02:11:43.518Z",
      "location_count": 9,
      "location_summary": "San Diego, California • San Francisco, California • Denver, Colorado + 6 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05947292"
    },
    {
      "nct_id": "NCT05254457",
      "title": "Long-Term Safety, Efficacy, and Durability of EN3835 in the Treatment and Retreatment of Plantar Fibromatosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Plantar Fibromatosis"
      ],
      "interventions": [
        {
          "name": "EN3835",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Endo USA Inc., a Keenova Therapeutics Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 145,
      "start_date": "2022-02-14",
      "completion_date": "2024-03-21",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-10-23T02:11:43.518Z",
      "location_count": 27,
      "location_summary": "Bakersfield, California • Fresno, California • La Mesa, California + 22 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Tarzana",
          "state": "California"
        },
        {
          "city": "Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05254457"
    },
    {
      "nct_id": "NCT00002570",
      "title": "Immediate Compared With Delayed Chemotherapy in Advanced Colorectal Cancer Without Signs or Symptoms of Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NCIC Clinical Trials Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 67,
      "start_date": "1994-07-15",
      "completion_date": "2009-02-10",
      "has_results": false,
      "last_update_posted_date": "2020-04-06",
      "last_synced_at": "2026-10-23T02:11:43.518Z",
      "location_count": 16,
      "location_summary": "Scottsdale, Arizona • Peoria, Illinois • Urbana, Illinois + 13 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        },
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002570"
    }
  ]
}