{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N%2FA+This+is+an+observational+study.&page=2",
    "query": {
      "intervention": "N/A This is an observational study.",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N%2FA+This+is+an+observational+study.&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N%2FA+This+is+an+observational+study.&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T02:31:20.345Z",
  "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": "NCT06429280",
      "title": "Clinical Data Registry of Amblyopia Patients on Luminopia Treatment",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "N/A this is an observational study of Standard of Care",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Luminopia",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 500,
      "start_date": "2023-09-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-10-09T02:31:20.345Z",
      "location_count": 13,
      "location_summary": "San Ramon, California • Santa Barbara, California • Crestview, Florida + 10 more",
      "locations": [
        {
          "city": "San Ramon",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Crestview",
          "state": "Florida"
        },
        {
          "city": "Gainsville",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06429280"
    },
    {
      "nct_id": "NCT02684422",
      "title": "Initial and Chronic Methicillin Resistant Staphylococcus Aureus (MRSA) Infection in Cystic Fibrosis (CF)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Methicillin-Resistant Staphylococcus Aureus",
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Intervention N/A. Observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "4 Years to 99 Years"
      },
      "enrollment_count": 48,
      "start_date": "2015-07",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2022-01-20",
      "last_synced_at": "2026-10-09T02:31:20.345Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Chapel Hill, North Carolina • Seattle, Washington",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02684422"
    },
    {
      "nct_id": "NCT02003612",
      "title": "Historical Data Analysis of Hematological Remission and Survival in Adults With R/R Acute Lymphoblastic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Not applicable - observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 2373,
      "start_date": "2013-10-01",
      "completion_date": "2014-04-28",
      "has_results": false,
      "last_update_posted_date": "2022-11-07",
      "last_synced_at": "2026-10-09T02:31:20.345Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Cleveland, Ohio",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02003612"
    },
    {
      "nct_id": "NCT04014764",
      "title": "Collect and Assess Tissue Samples From Subjects With Hematologic Malignancy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Myelogenous Leukemia",
        "Multiple Myeloma",
        "Myelodysplastic Syndromes",
        "Lymphoma",
        "Acute Lymphoblastic Leukemia",
        "Chronic Myelogenous Leukemia",
        "Myeloproliferative Neoplasm"
      ],
      "interventions": [
        {
          "name": "This is a non-interventional study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Notable Labs",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 119,
      "start_date": "2019-12-15",
      "completion_date": "2022-03-31",
      "has_results": false,
      "last_update_posted_date": "2022-04-05",
      "last_synced_at": "2026-10-09T02:31:20.345Z",
      "location_count": 11,
      "location_summary": "Bakersfield, California • San Luis Obispo, California • Grand Junction, Colorado + 8 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "San Luis Obispo",
          "state": "California"
        },
        {
          "city": "Grand Junction",
          "state": "Colorado"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Orange City",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04014764"
    },
    {
      "nct_id": "NCT05332054",
      "title": "Long-Term Follow-up Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma, Non-Hodgkin",
        "Relapsed Non-Hodgkin Lymphoma",
        "Refractory B-Cell Non-Hodgkin Lymphoma",
        "Non-Hodgkin Lymphoma",
        "Lymphoma",
        "B Cell Lymphoma",
        "B-Cell Non-Hodgkin's Lymphoma",
        "Hematologic Malignancy",
        "Relapsed/Refractory Multiple Myeloma",
        "Relapsed/Refractory Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Caribou-sponsored investigational therapy",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Caribou Biosciences, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2022-03-16",
      "completion_date": "2041-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-10-09T02:31:20.345Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Scottsdale, Arizona + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05332054"
    },
    {
      "nct_id": "NCT04902768",
      "title": "Assessment of Patterns of Patient Reported Outcomes in Adults With Congenital Heart Disease - International Study II",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "This is an observational study, there is no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "KU Leuven",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8415,
      "start_date": "2019-08-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-16",
      "last_synced_at": "2026-10-09T02:31:20.345Z",
      "location_count": 10,
      "location_summary": "San Francisco, California • Stanford, California • Gainesville, Florida + 7 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04902768"
    },
    {
      "nct_id": "NCT02094625",
      "title": "NAC to Prevent Cisplatin-induced Hearing Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuroectodermal Tumors, Primitive",
        "Liver Neoplasms",
        "Osteosarcoma",
        "Other Childhood Cancers Using Cisplatin-based Regimens"
      ],
      "interventions": [
        {
          "name": "N-Acetylcysteine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 52,
      "start_date": "2016-03",
      "completion_date": "2021-08",
      "has_results": false,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-10-09T02:31:20.345Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02094625"
    },
    {
      "nct_id": "NCT07717866",
      "title": "Trifecta Research Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PTSD - Post Traumatic Stress Disorder",
        "Cognitive Dysfunction",
        "Brain Injury",
        "Depression - Major Depressive Disorder",
        "Suicidal Ideation"
      ],
      "interventions": [
        {
          "name": "Magnetic e-Resonance Therapy (MeRT)",
          "type": "DEVICE"
        },
        {
          "name": "Ibogaine Hydrochloride with Magnesium Sulfate",
          "type": "DRUG"
        },
        {
          "name": "5-methoxy-N,N-dimethyltryptamine",
          "type": "DRUG"
        },
        {
          "name": "Physiological Supplementation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Axial Therapeutic Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2022-08-01",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-10-09T02:31:20.345Z",
      "location_count": 1,
      "location_summary": "Northridge, California",
      "locations": [
        {
          "city": "Northridge",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07717866"
    },
    {
      "nct_id": "NCT06172751",
      "title": "TrinetX Study of Hypereosinophilic Syndrome (HES) Without an Identifiable Non-haematological Secondary Cause",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypereosinophilic Syndrome (HES)"
      ],
      "interventions": [
        {
          "name": "no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 250,
      "start_date": "2023-12-15",
      "completion_date": "2024-04-26",
      "has_results": false,
      "last_update_posted_date": "2025-02-12",
      "last_synced_at": "2026-10-09T02:31:20.345Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06172751"
    },
    {
      "nct_id": "NCT04923633",
      "title": "The Reproducibility and Consistency of Instrument-assisted Soft Tissue Manipulation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Massage"
      ],
      "interventions": [
        {
          "name": "Quantifiable Soft Tissue Manipulation (QSTM)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 106,
      "start_date": "2021-05-11",
      "completion_date": "2022-10-19",
      "has_results": false,
      "last_update_posted_date": "2023-11-14",
      "last_synced_at": "2026-10-09T02:31:20.345Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04923633"
    }
  ]
}