{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=MAS&page=2",
    "query": {
      "condition": "MAS",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=MAS&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T12:16:00.710Z",
  "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": "NCT00318097",
      "title": "Histamine Responsiveness in McCune-Albright Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "McCune-Albright Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "Up to 39 Years"
      },
      "enrollment_count": 22,
      "start_date": "2004-08-01",
      "completion_date": "2007-08-01",
      "has_results": false,
      "last_update_posted_date": "2018-02-06",
      "last_synced_at": "2026-07-23T12:16:00.710Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00318097"
    },
    {
      "nct_id": "NCT00001727",
      "title": "Screening and Natural History of Patients With Polyostotic Fibrous Dysplasia and the McCune-Albright Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "McCune-Albright Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Dental and Craniofacial Research (NIDCR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "1 Day to 100 Years"
      },
      "enrollment_count": 500,
      "start_date": "1998-12-13",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-07-23T12:16:00.710Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001727"
    },
    {
      "nct_id": "NCT00278915",
      "title": "Faslodex in McCune-Albright Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Puberty, Precocious",
        "McCune-Albright Syndrome"
      ],
      "interventions": [
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "10 Years",
        "sex": "FEMALE",
        "summary": "1 Year to 10 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2006-01-31",
      "completion_date": "2023-07-20",
      "has_results": true,
      "last_update_posted_date": "2024-03-05",
      "last_synced_at": "2026-07-23T12:16:00.710Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • Miami, Florida • Lexington, Kentucky + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00278915"
    },
    {
      "nct_id": "NCT06405152",
      "title": "Assessment of Macrophage Activation syndromE in STill's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Macrophage Activation Syndrome",
        "Still's Disease, Adult-Onset",
        "Stills Disease, Juvenile-Onset"
      ],
      "interventions": [
        {
          "name": "Chart review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Swedish Orphan Biovitrum",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "6 Months to 80 Years"
      },
      "enrollment_count": 75,
      "start_date": "2023-09-27",
      "completion_date": "2024-09-26",
      "has_results": false,
      "last_update_posted_date": "2024-10-21",
      "last_synced_at": "2026-07-23T12:16:00.710Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Atlanta, Georgia • Cincinnati, Ohio + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06405152"
    },
    {
      "nct_id": "NCT00017927",
      "title": "A Study of the Effects of Pegvisomant on Growth Hormone Excess in McCune-Albright Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "McCune Albright Syndrome",
        "Polyostotic Fibrous Dysplasia"
      ],
      "interventions": [
        {
          "name": "Pegvisomant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Dental and Craniofacial Research (NIDCR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2001-06",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-07-23T12:16:00.710Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00017927"
    },
    {
      "nct_id": "NCT05848947",
      "title": "SIR-Spheres Study to Calculate the Radiation-Absorbed Dose of 99mTc-MAA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Carcinoma",
        "Carcinoma, Hepatocellular",
        "Liver Neoplasm"
      ],
      "interventions": [
        {
          "name": "99mTc-Macro Albumin Aggregate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sirtex Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2023-04-25",
      "completion_date": "2023-07-05",
      "has_results": true,
      "last_update_posted_date": "2025-01-29",
      "last_synced_at": "2026-07-23T12:16:00.710Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05848947"
    },
    {
      "nct_id": "NCT05001737",
      "title": "Evaluate Efficacy, Safety and Tolerability, PK and PD of Emapalumab in Children and Adults With MAS in Still's or SLE",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Macrophage Activation Syndrome",
        "Secondary Hemophagocytic Lymphohistiocytosis",
        "Still Disease",
        "Systemic Lupus Erythematosus",
        "SJIA",
        "AOSD",
        "MAS"
      ],
      "interventions": [
        {
          "name": "Emapalumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Swedish Orphan Biovitrum",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "6 Months to 80 Years"
      },
      "enrollment_count": 33,
      "start_date": "2021-12-15",
      "completion_date": "2025-06-04",
      "has_results": true,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-07-23T12:16:00.710Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Gainesville, Florida + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05001737"
    },
    {
      "nct_id": "NCT05743842",
      "title": "TriNav Infusion System for the Evaluation of Fidelity Between 99mTc-MAA and Y90-Microspheres Hepatic Distribution for Dosimetry Treatment Planning",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Liver Cancer"
      ],
      "interventions": [
        {
          "name": "TriSalus™ TriNav™Infusion System",
          "type": "DEVICE"
        },
        {
          "name": "Angiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Y90-radioembolization procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2023-03-14",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-07-23T12:16:00.710Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05743842"
    },
    {
      "nct_id": "NCT01640977",
      "title": "A Prospective Non-concurrent Controlled Evaluation of Open and MAS® PLIF",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lumbar Degenerative Disc Disease"
      ],
      "interventions": [
        {
          "name": "Open PLIF (posterior lumbar interbody fusion)",
          "type": "PROCEDURE"
        },
        {
          "name": "MAS PLIF",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "NuVasive",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2012-06",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-07-23T12:16:00.710Z",
      "location_count": 4,
      "location_summary": "Greensboro, North Carolina • York, Pennsylvania • Temple, Texas",
      "locations": [
        {
          "city": "Greensboro",
          "state": "North Carolina"
        },
        {
          "city": "Greensboro",
          "state": "North Carolina"
        },
        {
          "city": "York",
          "state": "Pennsylvania"
        },
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01640977"
    },
    {
      "nct_id": "NCT05233098",
      "title": "TheraSphere Post-Approval Study to Calculate the Radiation-absorbed Dose of Tc-99m MAA.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatocellular Carcinoma"
      ],
      "interventions": [
        {
          "name": "Technetium-99m macroaggregated albumin (Tc-99m MAA)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2022-04-04",
      "completion_date": "2023-06-14",
      "has_results": true,
      "last_update_posted_date": "2025-03-06",
      "last_synced_at": "2026-07-23T12:16:00.710Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05233098"
    }
  ]
}