{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+Only",
    "query": {
      "intervention": "Observation Only"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 866,
    "total_pages": 87,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+Only&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T21:34:40.922Z",
  "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": "NCT00002649",
      "title": "Interleukin-2 or Observation Following Radiation Therapy, Combination Chemotherapy, and Peripheral Stem Cell Transplantation in Treating Patients With Recurrent Non-Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Recurrent Adult Burkitt Lymphoma",
        "Recurrent Adult Diffuse Large Cell Lymphoma",
        "Recurrent Adult Diffuse Mixed Cell Lymphoma",
        "Recurrent Adult Diffuse Small Cleaved Cell Lymphoma",
        "Recurrent Adult Immunoblastic Large Cell Lymphoma",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3 Follicular Lymphoma"
      ],
      "interventions": [
        {
          "name": "aldesleukin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "bone marrow ablation with stem cell support",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "16 Years to 60 Years"
      },
      "enrollment_count": 206,
      "start_date": "1995-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-28",
      "last_synced_at": "2026-09-03T21:34:40.922Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002649"
    },
    {
      "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": "2026-09-03T21:34:40.922Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02510040"
    },
    {
      "nct_id": "NCT02652052",
      "title": "Hematopoietic Stem Cell Transplant Survivors Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Stem Cell Transplant"
      ],
      "interventions": [
        {
          "name": "Standard of Care - Observation Only",
          "type": "OTHER"
        },
        {
          "name": "Group 2: Quercetin",
          "type": "DRUG"
        },
        {
          "name": "Group 2: Dasatinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "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": 9,
      "start_date": "2016-03-01",
      "completion_date": "2023-05-23",
      "has_results": false,
      "last_update_posted_date": "2025-01-15",
      "last_synced_at": "2026-09-03T21:34:40.922Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02652052"
    },
    {
      "nct_id": "NCT04968080",
      "title": "A Study to Validate Comparability of an Infrared Thermographic Camera Versus Oral, Forehead, and Ear Thermometers When Determining Body Temperature in Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Temperature Change, Body"
      ],
      "interventions": [
        {
          "name": "Infrared Cameras Inc. (ICI) FMX 400 Infrared (IR) Camera System",
          "type": "DEVICE"
        },
        {
          "name": "Welch Allyn SureTemp Plus 690",
          "type": "DEVICE"
        },
        {
          "name": "Welch Allyn ThermoScan PRO 6000",
          "type": "DEVICE"
        },
        {
          "name": "Infrared Cameras Inc. (ICI) HotSpot Infrared (IR) NonContact Infrared Thermometer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Infrared Cameras Incorporate",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 887,
      "start_date": "2021-05-03",
      "completion_date": "2021-08-17",
      "has_results": false,
      "last_update_posted_date": "2021-09-16",
      "last_synced_at": "2026-09-03T21:34:40.922Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04968080"
    },
    {
      "nct_id": "NCT05260073",
      "title": "Patient and Clinician Reported Outcomes for Tirbanibulin Effectiveness and Safety in Actinic Keratosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Keratosis, Actinic"
      ],
      "interventions": [
        {
          "name": "Tirbanibulin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Almirall, S.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2022-03-09",
      "completion_date": "2023-03-07",
      "has_results": true,
      "last_update_posted_date": "2024-09-20",
      "last_synced_at": "2026-09-03T21:34:40.922Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05260073"
    },
    {
      "nct_id": "NCT06370780",
      "title": "Exploring, Predicting, and Intervening on Long-term Viral Suppression Electronically",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "EPI LOVE",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2024-02-09",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-09-03T21:34:40.922Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06370780"
    },
    {
      "nct_id": "NCT01451879",
      "title": "Observational Study for Subjects With Pompe Disease Undergoing Immune Modulation Therapies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pompe Disease"
      ],
      "interventions": [
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Miglustat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "Up to 65 Years"
      },
      "enrollment_count": 11,
      "start_date": "2008-10",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2017-12-08",
      "last_synced_at": "2026-09-03T21:34:40.922Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01451879"
    },
    {
      "nct_id": "NCT02310724",
      "title": "TODAY2 Phase 2 Follow-up",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "TODAY cohort",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 517,
      "start_date": "2014-03-01",
      "completion_date": "2020-01-17",
      "has_results": false,
      "last_update_posted_date": "2021-08-05",
      "last_synced_at": "2026-09-03T21:34:40.922Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • Aurora, Colorado • New Haven, Connecticut + 10 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02310724"
    },
    {
      "nct_id": "NCT02808962",
      "title": "Optimal Performance of RFA of the Nerves Supplying the Posterior Sacroiliac Joint Complex.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis Nos, of Sacroiliac Joint"
      ],
      "interventions": [
        {
          "name": "Cooled RFA of sacral lateral branches",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Milton S. Hershey 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": "2016-02-17",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-07-11",
      "last_synced_at": "2026-09-03T21:34:40.922Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02808962"
    },
    {
      "nct_id": "NCT03900897",
      "title": "Expanded Indications in the MED-EL Pediatric Cochlear Implant Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Sensorineural"
      ],
      "interventions": [
        {
          "name": "MED-EL SYNCHRONY PIN Cochlear Implant",
          "type": "DEVICE"
        },
        {
          "name": "Cochlear Implant",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Med-El Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Months",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "7 Months to 5 Years"
      },
      "enrollment_count": 247,
      "start_date": "2019-06-17",
      "completion_date": "2023-11-01",
      "has_results": false,
      "last_update_posted_date": "2024-10-15",
      "last_synced_at": "2026-09-03T21:34:40.922Z",
      "location_count": 8,
      "location_summary": "Oakland, California • Miami, Florida • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03900897"
    }
  ]
}