{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chromosomal+Abnormalities&page=11",
    "query": {
      "condition": "Chromosomal Abnormalities",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 559,
    "total_pages": 56,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chromosomal+Abnormalities&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chromosomal+Abnormalities&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T22:44:20.269Z",
  "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": "NCT05473247",
      "title": "GameSquad for Adults With Down Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Down Syndrome",
        "Physical Inactivity"
      ],
      "interventions": [
        {
          "name": "Ring-Fit Adventure Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 20,
      "start_date": "2023-01-15",
      "completion_date": "2023-08-30",
      "has_results": true,
      "last_update_posted_date": "2024-11-25",
      "last_synced_at": "2026-10-21T22:44:20.269Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05473247"
    },
    {
      "nct_id": "NCT02013258",
      "title": "Oxytocin Trial in Prader-Willi Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prader Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "Intranasal oxytocin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "5 Years to 11 Years"
      },
      "enrollment_count": 24,
      "start_date": "2015-03",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2018-04-05",
      "last_synced_at": "2026-10-21T22:44:20.269Z",
      "location_count": 3,
      "location_summary": "Orange, California • Gainesville, Florida • Kansas City, Kansas",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02013258"
    },
    {
      "nct_id": "NCT00347464",
      "title": "Adaptive Behavior Assessment of Men With 49, XXXXY, Klinefelter Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Klinefelter Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "21 Years",
        "sex": "MALE",
        "summary": "2 Years to 21 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2006-06",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2015-12-03",
      "last_synced_at": "2026-10-21T22:44:20.269Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00347464"
    },
    {
      "nct_id": "NCT07238465",
      "title": "Exploring Sympathetic Nervous System Function in Individuals With Down Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Down Syndrome",
        "Autonomic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Cold Stress",
          "type": "OTHER"
        },
        {
          "name": "Maximal Dynamic Exercise",
          "type": "OTHER"
        },
        {
          "name": "Isometric Handgrip Exercise with Post-Exercise Muscle Ischemia",
          "type": "OTHER"
        },
        {
          "name": "Head-up Tilt Table Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 200,
      "start_date": "2026-04-06",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-21T22:44:20.269Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07238465"
    },
    {
      "nct_id": "NCT00603109",
      "title": "Effect of Rimonabant on Weight Gain and Body Composition in Adults With Prader Willi Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prader-willi Syndrome"
      ],
      "interventions": [
        {
          "name": "rimonabant",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 10,
      "start_date": "2007-08",
      "completion_date": "2009-01",
      "has_results": false,
      "last_update_posted_date": "2023-03-20",
      "last_synced_at": "2026-10-21T22:44:20.269Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00603109"
    },
    {
      "nct_id": "NCT01436955",
      "title": "A Study of RG1662 in Individuals With Down Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Down Syndrome"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "RG1662",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 35,
      "start_date": "2011-11",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2015-03-03",
      "last_synced_at": "2026-10-21T22:44:20.269Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • La Jolla, California + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01436955"
    },
    {
      "nct_id": "NCT05735717",
      "title": "MT2021-08T Cell Receptor Alpha/Beta Depletion PBSC Transplantation for Heme Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hematologic Malignancy",
        "Acute Leukemia",
        "Remission",
        "Acute Myeloid Leukemia",
        "Acute Lymphoblastic Leukemia",
        "AML",
        "TP53",
        "Intrachromosomal Amplification of Chromosome 21",
        "Cytogenetic Abnormality",
        "CNS Leukemia",
        "Minimal Residual Disease",
        "Myelodysplasia",
        "Juvenile Myelomonocytic Leukemia",
        "Somatic Mutation",
        "PTPN11 Gene Mutation",
        "N-RAS Gene Amplification",
        "Neurofibromatosis 1",
        "NF1 Mutation",
        "CBL Gene Mutation",
        "Monosomy 7",
        "Chromosome Abnormality",
        "Fetal Hemoglobin",
        "Lymphoblastic Lymphoma",
        "High Grade Non-Hodgkin's Lymphoma, Adult"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Levetiracetam",
          "type": "DRUG"
        },
        {
          "name": "Alpha/Beta T Cell-Depleted Hematopoietic Stem Cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Thymoglobulin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "Up to 60 Years"
      },
      "enrollment_count": 70,
      "start_date": "2023-05-11",
      "completion_date": "2030-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-10-21T22:44:20.269Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05735717"
    },
    {
      "nct_id": "NCT02521493",
      "title": "Response-Based Chemotherapy in Treating Newly Diagnosed Acute Myeloid Leukemia or Myelodysplastic Syndrome in Younger Patients With Down Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Down Syndrome",
        "Myelodysplastic Syndrome",
        "Myeloid Leukemia Associated With Down Syndrome",
        "Myeloproliferative Neoplasm"
      ],
      "interventions": [
        {
          "name": "Asparaginase",
          "type": "DRUG"
        },
        {
          "name": "Asparaginase Erwinia chrysanthemi",
          "type": "DRUG"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Daunorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Mitoxantrone Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Thioguanine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "91 Days",
        "maximum_age": "3 Years",
        "sex": "ALL",
        "summary": "91 Days to 3 Years"
      },
      "enrollment_count": 280,
      "start_date": "2015-12-23",
      "completion_date": "2027-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-21T22:44:20.269Z",
      "location_count": 169,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 131 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02521493"
    },
    {
      "nct_id": "NCT01023048",
      "title": "Concurrent Single Gene and 24 Chromosome Aneuploidy Preimplantation Genetic Diagnosis (PGD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Any Single Gene Disorder (Cystic Fibrosis, Tay-Sachs)"
      ],
      "interventions": [
        {
          "name": "preimplantation diagnosis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "Up to 40 Years"
      },
      "enrollment_count": 56,
      "start_date": "2009-11",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-04-02",
      "last_synced_at": "2026-10-21T22:44:20.269Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01023048"
    },
    {
      "nct_id": "NCT05312177",
      "title": "Congenital Heart Disease: Impact on Learning and Development in Down Syndrome (CHILD-DS)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Down Syndrome",
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "Stanford Binet Intelligence Scales, Fifth Edition",
          "type": "OTHER"
        },
        {
          "name": "Vineland Adaptive Behavior Scales Third Edition",
          "type": "OTHER"
        },
        {
          "name": "Peabody Picture Vocabulary Test, Fifth Edition",
          "type": "OTHER"
        },
        {
          "name": "Expressive Vocabulary Test, Third Edition",
          "type": "OTHER"
        },
        {
          "name": "Leiter International Performance Scale, Third Edition",
          "type": "OTHER"
        },
        {
          "name": "Social Communication Questionnaire, Current Form",
          "type": "OTHER"
        },
        {
          "name": "Aberrant Behavior Checklist",
          "type": "OTHER"
        },
        {
          "name": "Repetitive Behavior Scale, Revised",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Carelon Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Months",
        "maximum_age": "155 Months",
        "sex": "ALL",
        "summary": "60 Months to 155 Months"
      },
      "enrollment_count": 273,
      "start_date": "2022-05-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-11",
      "last_synced_at": "2026-10-21T22:44:20.269Z",
      "location_count": 13,
      "location_summary": "Wilmington, Delaware • Washington D.C., District of Columbia • Atlanta, Georgia + 10 more",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05312177"
    }
  ]
}