{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Metastatic+Malignant+Neoplasm+to+the+Leptomeninges&page=3",
    "query": {
      "condition": "Metastatic Malignant Neoplasm to the Leptomeninges",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 68,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Metastatic+Malignant+Neoplasm+to+the+Leptomeninges&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Metastatic+Malignant+Neoplasm+to+the+Leptomeninges&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T15:14:10.656Z",
  "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": "NCT04729348",
      "title": "Pembrolizumab And Lenvatinib In Leptomeningeal Metastases",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Solid Tumor",
        "Solid Tumor, Adult",
        "Leptomeningeal Metastasis"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Lenvatinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2021-03-08",
      "completion_date": "2024-01-17",
      "has_results": false,
      "last_update_posted_date": "2025-07-25",
      "last_synced_at": "2026-10-09T15:14:10.656Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04729348"
    },
    {
      "nct_id": "NCT05034497",
      "title": "Intraventricular Administration of Rhenium-186 NanoLiposome for Leptomeningeal Metastases",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leptomeningeal Metastasis"
      ],
      "interventions": [
        {
          "name": "186RNL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cerenome",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2021-12-06",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-03-26",
      "last_synced_at": "2026-10-09T15:14:10.656Z",
      "location_count": 6,
      "location_summary": "Chicago, Illinois • Manhasset, New York • New York, New York + 3 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Manhasset",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05034497"
    },
    {
      "nct_id": "NCT07659652",
      "title": "Quality of Life for Patients With Breast Cancer Brain Metastases and Leptomeningeal Disease",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer, Quality of Life",
        "Breast Cancer, Metastatic",
        "Breast Cancer, Metastatic Breast Cancer",
        "Leptomeningeal Metastasis of Breast Cancer",
        "Brain Metastases From Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Health-Related Quality of Life (QOL) questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2026-10-15",
      "completion_date": "2035-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-10-09T15:14:10.656Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07659652"
    },
    {
      "nct_id": "NCT06058988",
      "title": "Trastuzumab Deruxtecan (T-DXd) for People With Brain Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain Cancer",
        "Glioblastoma",
        "Metastatic Cancer",
        "Leptomeningeal Metastasis",
        "Recurrent Glioblastoma"
      ],
      "interventions": [
        {
          "name": "Trastuzumab deruxtecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 30,
      "start_date": "2023-09-22",
      "completion_date": "2027-09-22",
      "has_results": false,
      "last_update_posted_date": "2026-02-23",
      "last_synced_at": "2026-10-09T15:14:10.656Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06058988"
    },
    {
      "nct_id": "NCT00089245",
      "title": "Radiolabeled MAB Therapy in Patients With Refractory, Recurrent, or Advanced CNS or Leptomeningeal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Neuroblastoma",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "Iodine I 131 MOAB 8H9",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Y-mAbs Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 177,
      "start_date": "2004-02-05",
      "completion_date": "2022-02-02",
      "has_results": false,
      "last_update_posted_date": "2023-12-26",
      "last_synced_at": "2026-10-09T15:14:10.656Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00089245"
    },
    {
      "nct_id": "NCT02684071",
      "title": "Phase II Study of Intraventricular Methotrexate in Children With Recurrent or Progressive Malignant Brain Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Childhood Medulloblastoma",
        "Recurrent Childhood Ependymoma",
        "Childhood Atypical Teratoid/Rhabdoid Tumor",
        "Embryonal Tumor With Abundant Neuropil and True Rosettes",
        "Metastatic Malignant Neoplasm to the Leptomeninges"
      ],
      "interventions": [
        {
          "name": "Intra thecal methotrexate",
          "type": "DRUG"
        },
        {
          "name": "topotecan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nicklaus Children's Hospital f/k/a Miami Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "Up to 22 Years"
      },
      "enrollment_count": 3,
      "start_date": "2016-02",
      "completion_date": "2019-12-09",
      "has_results": false,
      "last_update_posted_date": "2020-01-10",
      "last_synced_at": "2026-10-09T15:14:10.656Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02684071"
    },
    {
      "nct_id": "NCT04460937",
      "title": "Testing the Addition of an Anti-cancer Drug, Adavosertib, to Radiation Therapy for Patients With Incurable Esophageal and Gastroesophageal Junction Cancers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Clinical Stage III Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage IV Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage IV Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage IVA Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage IVB Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage IVB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage IVB Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Distal Esophagus Adenocarcinoma",
        "Gastric Cardia Adenocarcinoma",
        "Metastatic Esophageal Adenocarcinoma",
        "Metastatic Esophageal Squamous Cell Carcinoma",
        "Metastatic Gastroesophageal Junction Adenocarcinoma",
        "Metastatic Malignant Neoplasm in the Brain",
        "Metastatic Malignant Neoplasm in the Leptomeninges",
        "Pathologic Stage III Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Pathologic Stage IIIA Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IIIA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IIIA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Pathologic Stage IIIB Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IIIB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IIIB Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Pathologic Stage IV Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IV Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Pathologic Stage IVA Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Pathologic Stage IVB Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IVB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IVB Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage III Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIA Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIB Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIB Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IV Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IV Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVA Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVB Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVB Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Unresectable Esophageal Adenocarcinoma",
        "Unresectable Esophageal Carcinoma",
        "Unresectable Esophageal Squamous Cell Carcinoma",
        "Unresectable Gastroesophageal Junction Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Adavosertib",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2021-04-09",
      "completion_date": "2026-12-18",
      "has_results": true,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-09T15:14:10.656Z",
      "location_count": 7,
      "location_summary": "Duarte, California • Chicago, Illinois • Lexington, Kentucky + 3 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04460937"
    },
    {
      "nct_id": "NCT00025311",
      "title": "Topotecan in Treating Patients With Recurrent, Progressive, or Refractory Cancer That is Metastatic to the Lining Around the Brain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "topotecan hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "Up to 65 Years"
      },
      "enrollment_count": null,
      "start_date": "2001-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-11-09",
      "last_synced_at": "2026-10-09T15:14:10.656Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00025311"
    },
    {
      "nct_id": "NCT00450866",
      "title": "Epothilone B in Treating Patients With CNS Metastases From Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Metastatic Cancer"
      ],
      "interventions": [
        {
          "name": "epothilone B",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "David Peereboom, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2007-01",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2014-02-28",
      "last_synced_at": "2026-10-09T15:14:10.656Z",
      "location_count": 5,
      "location_summary": "Boston, Massachusetts • Ann Arbor, Michigan • New York, New York + 1 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00450866"
    },
    {
      "nct_id": "NCT00674674",
      "title": "Phase 1 Intrathecal Topotecan for Neoplastic Meningitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neoplastic Meningitis"
      ],
      "interventions": [
        {
          "name": "Topotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "3 Years to 21 Years"
      },
      "enrollment_count": 22,
      "start_date": "2005-10",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2012-05-15",
      "last_synced_at": "2026-10-09T15:14:10.656Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00674674"
    }
  ]
}