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Showing 1–24 of 67 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Metastatic Malignant Neoplasm to the Leptomeninges Clear all
Terminated Phase 2 Interventional

Temozolomide in Treating Patients With Leptomeningeal Metastases From a Solid Tumor or Lymphoma

NCT00005812
View directory record Official record
Conditions
Brain Tumors, Central Nervous System Tumors, Leptomeningeal Metastases
Interventions
temozolomide
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 13, 2013 · Synced Jul 23, 2026, 2:22 PM EDT
Completed No phase listed Observational

Circulating Tumor DNA in Cerebrospinal Fluid as an Early Biomarker of Leptomeningeal Metastasis (LM)

NCT02071056
View directory record Official record
Conditions
Leptomeningeal Metastasis
Interventions
Not listed
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Jul 23, 2026, 2:22 PM EDT
Recruiting No phase listed Observational

Standardized Clinical Assessment of Patients With Leptomeningeal Metastasis

NCT06417710
View directory record Official record
Conditions
Leptomeningeal Metastasis, Leptomeningeal Disease, Leptomeningeal Neoplasms, Leptomeningeal Cancer
Interventions
Neurological Assessment
Other
Lead sponsor
University of Zurich
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Jul 23, 2026, 2:22 PM EDT
Active, not recruiting Phase 1 Interventional

Brain Tumor-Specific Immune Cells (IL13Ralpha2-CAR T Cells) for the Treatment of Leptomeningeal Glioblastoma, Ependymoma, or Medulloblastoma

NCT04661384
View directory record Official record
Conditions
Ependymoma, Glioblastoma, Medulloblastoma, Recurrent Metastatic Malignant Neoplasm in the Leptomeninges
Interventions
IL13Ralpha2-specific Hinge-optimized 41BB-co-stimulatory CAR Truncated CD19-expressing Autologous T-Lymphocytes
Biological
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Jul 23, 2026, 2:22 PM EDT
Recruiting Phase 2 Interventional

Trastuzumab Deruxtecan (T-DXd) for People With Brain Cancer

NCT06058988
View directory record Official record
Conditions
Brain Cancer, Glioblastoma, Metastatic Cancer, Leptomeningeal Metastasis, Recurrent Glioblastoma
Interventions
Trastuzumab deruxtecan
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Jul 23, 2026, 2:22 PM EDT
Completed Phase 2 Interventional

Proton Craniospinal Radiation Therapy vs. Partial Photon Radiation Therapy for Leptomeningeal Metastasis From Solid Tumors

NCT04343573
View directory record Official record
Conditions
Leptomeningeal Metastases
Interventions
Involved-field Photon Radiation Therapy, Proton Craniospinal Irradiation (CSI), Neurocognitive Assessment, MDASI-BT and MDASI-SP
Radiation · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Up to 99 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Jul 23, 2026, 2:22 PM EDT
Active, not recruiting Phase 1 Interventional

Intraventricular Administration of Rhenium-186 NanoLiposome for Leptomeningeal Metastases

NCT05034497
View directory record Official record
Conditions
Leptomeningeal Metastasis
Interventions
186RNL
Drug
Lead sponsor
Plus Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
6
States / cities
Chicago, Illinois • Manhasset, New York • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Jul 23, 2026, 2:22 PM EDT
Completed Phase 1Phase 2 Interventional

Monoclonal Antibody Therapy in Treating Patients With Brain Metastases

NCT00002751
View directory record Official record
Conditions
Metastatic Cancer
Interventions
monoclonal antibody Me1-14 F(ab')2
Biological
Lead sponsor
Duke University
Other
Eligibility
3 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1989 – 2004
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 19, 2013 · Synced Jul 23, 2026, 2:22 PM EDT
Completed Phase 2 Interventional Results available

Phase 2 Study of Study of Tesevatinib in Subjects With NSCLC and Brain or Leptomeningeal Metastases

NCT02616393
View directory record Official record
Conditions
Non-Small Cell Lung Cancer, Leptomeningeal Metastases, Brain Metastases
Interventions
Tesevatinib
Drug
Lead sponsor
Kadmon Corporation, LLC
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
7
States / cities
Beverly Hills, California • Newport Beach, California • Santa Monica, California + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2022 · Synced Jul 23, 2026, 2:22 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Pilot Study of Bevacizumab for Neoplastic Meningitis

NCT00924820
View directory record Official record
Conditions
Neoplastic Meningitis
Interventions
Bevacizumab
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Jul 23, 2026, 2:22 PM EDT
Terminated Phase 2 Interventional Results available

Tucatinib, Trastuzumab, and Capecitabine for the Treatment of HER2+ LMD

NCT03501979
View directory record Official record
Conditions
Metastatic Breast Cancer, Leptomeningeal Disease
Interventions
Tucatinib, Trastuzumab, Capecitabine
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
9
States / cities
Birmingham, Alabama • San Francisco, California • Washington D.C., District of Columbia + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Jul 23, 2026, 2:22 PM EDT
Recruiting No phase listed Observational

Study in Patients With Breast Cancer Leptomeningeal Metastasis

NCT06638294
View directory record Official record
Conditions
Leptomeningeal Metastasis of Breast Cancer
Interventions
Not listed
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Weeks and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced Jul 23, 2026, 2:22 PM EDT
Terminated Phase 2 Interventional Results available

DepoCyt for Active Lymphomatous or Leukemic Meningitis

NCT00523939
View directory record Official record
Conditions
Neoplastic Meningitis, Lymphoma, B Cell
Interventions
cytarabine liposome injection
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 16, 2013 · Synced Jul 23, 2026, 2:22 PM EDT
Terminated Phase 1 Interventional

A Safety Study of RTA 744 in Recurrent, Progressive or Refractory Neoplastic Meningitis

NCT00527410
View directory record Official record
Conditions
Leptomeningeal Carcinomatosis
Interventions
RTA 744
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Jul 23, 2026, 2:22 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Intrathecal Rituximab in Lymphoid Malignancies Involving Central Nervous System

NCT01596127
View directory record Official record
Conditions
Leukemia, Lymphoid Malignancies, Metastatic Malignant Neoplasm to the Leptomeninges
Interventions
Intrathecal Rituximab
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
3 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Jul 23, 2026, 2:22 PM EDT
Completed Phase 1 Interventional

Phase 1 Intrathecal Topotecan for Neoplastic Meningitis

NCT00674674
View directory record Official record
Conditions
Neoplastic Meningitis
Interventions
Topotecan
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
3 Years to 21 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2012 · Synced Jul 23, 2026, 2:22 PM EDT
Terminated Phase 1 Interventional

Topotecan in Treating Young Patients With Neoplastic Meningitis Due to Leukemia, Lymphoma, or Solid Tumors

NCT00112619
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Carcinoma of Unknown Primary, Leukemia, Lymphoma, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
topotecan hydrochloride
Drug
Lead sponsor
Pediatric Brain Tumor Consortium
Network
Eligibility
3 Years to 21 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
11
States / cities
San Francisco, California • Washington D.C., District of Columbia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2011 · Synced Jul 23, 2026, 2:22 PM EDT
Active, not recruiting Phase 1 Interventional

Concurrent Azeliragon With Craniospinal Irradiation

NCT06724926
View directory record Official record
Conditions
Solid Tumor, High-grade Glioma, Leptomeningeal Metastasis
Interventions
Azeliragon, CSI
Drug · Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jul 23, 2026, 2:22 PM EDT
Recruiting Phase 1 Interventional

Multiple Dose Intraventricular Administration of Rhenium-186 NanoLiposome for Leptomeningeal Metastases

NCT07098806
View directory record Official record
Conditions
Leptomeningeal Metastasis
Interventions
186RNL
Drug
Lead sponsor
Plus Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Jul 23, 2026, 2:22 PM EDT
Recruiting Phase 1 Interventional

A Study of Deferoxamine (DFO) in People With Leptomeningeal Metastasis

NCT05184816
View directory record Official record
Conditions
Leptomeningeal Metastases
Interventions
Deferoxamine (DFO)
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Jul 23, 2026, 2:22 PM EDT
Not yet recruiting Not applicable Interventional

Wearable-Triggered Digital Safety Net for Real-Time Monitoring & Intervention in Leptomeningeal Metastasis

NCT07704034
View directory record Official record
Conditions
Leptomeningeal Metastasis
Interventions
Calibration Phase, Stepped Wedge Intervention Phase
Device
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Jul 23, 2026, 2:22 PM EDT
Terminated Phase 2 Interventional

Pembrolizumab And Lenvatinib In Leptomeningeal Metastases

NCT04729348
View directory record Official record
Conditions
Solid Tumor, Solid Tumor, Adult, Leptomeningeal Metastasis
Interventions
Pembrolizumab, Lenvatinib
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Jul 23, 2026, 2:22 PM EDT
Completed Phase 2 Interventional Results available

Liposomal Cytarabine and High-Dose Methotrexate in Treating Patients With Central Nervous System Metastases From Breast Cancer

NCT00992602
View directory record Official record
Conditions
Central Nervous System Metastases, Leptomeningeal Metastases, Recurrent Breast Cancer, Stage IV Breast Cancer, Tumors Metastatic to Brain
Interventions
methotrexate, liposomal cytarabine, quality-of-life assessment, laboratory biomarker analysis
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Jul 23, 2026, 2:22 PM EDT
Completed Phase 1 Interventional

Busulfan in Treating Children and Adolescents With Refractory CNS Cancer

NCT00006246
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Childhood Germ Cell Tumor, Leukemia, Lymphoma, Metastatic Cancer, Retinoblastoma, Sarcoma
Interventions
busulfan
Drug
Lead sponsor
Pediatric Brain Tumor Consortium
Network
Eligibility
3 Years to 21 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
8
States / cities
San Francisco, California • Washington D.C., District of Columbia • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2009 · Synced Jul 23, 2026, 2:22 PM EDT