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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Leptomeningeal Neoplasms Clear all
Recruiting Phase 2 Interventional

Prospective Evaluation Of High-Dose Systemic Methotrexate In Patients With Breast Cancer And Leptomeningeal Metastasis

NCT02422641
View directory record Official record
Conditions
Metastatic Breast Cancer, Leptomeningeal Disease
Interventions
High-dose Methotrexate (8 gm/m2; HD-MTX)
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
3
States / cities
Baltimore, Maryland • St Louis, Missouri • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 23, 2026, 10:13 AM EDT
Terminated Phase 1 Interventional

Nuclear Imaging of Human CSF Flow Using Ga-67 Citrate and In-111 DTPA

NCT00477503
View directory record Official record
Conditions
Central Nervous System Tumors, Brain Tumors
Interventions
Gallium-67 Citrate (Ga-67), In-111 DTPA (In-111 pentetate)
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
2 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2012 · Synced Jul 23, 2026, 10:13 AM EDT
Completed Phase 1 Interventional

Avelumab With Radiotherapy in Patients With Leptomeningeal Disease

NCT03719768
View directory record Official record
Conditions
Leptomeningeal Metastases, Leptomeningeal Disease
Interventions
Avelumab, Whole Brain Radiotherapy
Drug · Radiation
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Jul 23, 2026, 10:13 AM EDT
Terminated Phase 1 Interventional

Radiolabeled MAB Therapy in Patients With Refractory, Recurrent, or Advanced CNS or Leptomeningeal Cancer

NCT00089245
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Neuroblastoma, Sarcoma
Interventions
Iodine I 131 MOAB 8H9
Drug
Lead sponsor
Y-mAbs Therapeutics
Industry
Eligibility
Not listed
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 25, 2023 · Synced Jul 23, 2026, 10:13 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Radiation Therapy Followed by Intrathecal Trastuzumab/Pertuzumab in HER2+ Breast Leptomeningeal Disease

NCT04588545
View directory record Official record
Conditions
HER2-positive Breast Cancer, Leptomeningeal Metastasis, Leptomeningeal Disease
Interventions
Radiation Therapy, Pertuzumab, Trastuzumab
Radiation · Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
2
States / cities
Tampa, Florida • Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Jul 23, 2026, 10:13 AM EDT
Not yet recruiting Phase 1 Interventional

B7-H3.CD28Z.CART in CNS Neoplasms

NCT07390539
View directory record Official record
Conditions
Central Nervous System Neoplasms, Brain Tumor, Brain Tumor, Recurrent, Brain Tumor, Pediatric, Brain Tumor Adult, Medulloblastoma, Medulloblastoma, Childhood, Medulloblastoma, Adult, Medulloblastoma Recurrent, Ependymoma, Atypical Teratoid/Rhabdoid Tumor, Embryonal Tumor With Multilayered Rosettes, Pineoblastoma, Leptomeningeal Disease
Interventions
B7-H3.CD28Z.CART, Fludarabine, Cyclophosphamide
Biological · Drug
Lead sponsor
Robbie Majzner
Other
Eligibility
2 Years to 21 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Jul 23, 2026, 10:13 AM EDT
Recruiting Not applicable Interventional

Tumor Treating Fields for the Treatment of Leptomeningeal Metastases of the Spine in Patients With Breast or Lung Cancer

NCT05746325
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Metastatic Malignant Neoplasm in the Leptomeninges, Metastatic Lung Carcinoma, Stage IV Lung Cancer AJCC v8
Interventions
Digital Photography, Lumbar Puncture, Magnetic Resonance Imaging, Medical Device Usage and Evaluation, Biospecimen Collection
Other · Procedure · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Jul 23, 2026, 10:13 AM 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, 10:13 AM EDT
Recruiting Phase 2 Interventional

Photon Craniospinal Irradiation for the Treatment of Leptomeningeal Disease Secondary to Breast Cancer or Non-small Cell Lung Cancer

NCT06910761
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Metastatic Lung Non-Small Cell Carcinoma, Metastatic Malignant Neoplasm in the Leptomeninges, Stage IV Lung Cancer AJCC v8
Interventions
Biospecimen Collection, Craniospinal Irradiation, Electronic Health Record Review, Lumbar Puncture, Magnetic Resonance Imaging, Ommaya Reservoir Tap, Questionnaire Administration, Volume Modulated Arc Therapy
Procedure · Radiation · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Duarte, California • Irvine, California
Source: ClinicalTrials.gov public record
Updated Dec 7, 2025 · Synced Jul 23, 2026, 10:13 AM EDT
Completed Phase 1 Interventional

Monoclonal Antibody Therapy in Treating Patients With Leptomeningeal Cancer

NCT00003022
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Intraocular Melanoma, Lung Cancer, Melanoma (Skin), Neuroblastoma, Retinoblastoma, Sarcoma
Interventions
iodine I 131 monoclonal antibody 3F8
Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
3 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2005
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 2, 2013 · Synced Jul 23, 2026, 10:13 AM EDT
Terminated Phase 2 Interventional

Phase II Study of Intraventricular Methotrexate in Children With Recurrent or Progressive Malignant Brain Tumors

NCT02684071
View directory record Official record
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
Intra thecal methotrexate, topotecan, cyclophosphamide
Drug
Lead sponsor
Nicklaus Children's Hospital f/k/a Miami Children's Hospital
Other
Eligibility
Up to 22 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Jul 23, 2026, 10:13 AM 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, 10:13 AM EDT
Active, not recruiting Phase 1 Interventional

Intravenous and Intrathecal Nivolumab in Treating Patients With Leptomeningeal Disease

NCT03025256
View directory record Official record
Conditions
Acral Lentiginous Melanoma, Central Nervous System Melanoma, Clinical Stage IV Cutaneous Melanoma AJCC v8, Leptomeningeal Neoplasm, Melanocytoma, Metastatic Lung Non-Small Cell Carcinoma, Metastatic Melanoma, Metastatic Mucosal Melanoma, Metastatic Uveal Melanoma, Stage IV Lung Cancer AJCC v8
Interventions
Biospecimen Collection, Computed Tomography, Lumbar Puncture, Magnetic Resonance Imaging, Nivolumab, Positron Emission Tomography
Procedure · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Jul 23, 2026, 10:13 AM 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, 10:13 AM 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, 10:13 AM EDT
Completed Phase 1 Interventional

Melphalan in Patients With Neoplastic Meningitis

NCT00002750
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Extragonadal Germ Cell Tumor, Leukemia, Lymphoma, Ovarian Cancer
Interventions
melphalan
Drug
Lead sponsor
Duke University
Other
Eligibility
3 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2001
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 19, 2013 · Synced Jul 23, 2026, 10:13 AM EDT
Active, not recruiting Phase 1 Interventional

A First in Human Dose Escalation of Dendritic Cell Vaccine (DCV)

NCT05809752
View directory record Official record
Conditions
Leptomeningeal Disease, Triple Negative Breast Cancer, HER2-positive Breast Cancer
Interventions
Dendritic Cell Vaccine
Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jul 23, 2026, 10:13 AM EDT
Completed Phase 2 Interventional

Topotecan Hydrochloride in Treating Children With Meningeal Cancer That Has Not Responded to Previous Treatment

NCT00005811
View directory record Official record
Conditions
AIDS-related Diffuse Large Cell Lymphoma, AIDS-related Diffuse Mixed Cell Lymphoma, AIDS-related Diffuse Small Cleaved Cell Lymphoma, AIDS-related Immunoblastic Large Cell Lymphoma, AIDS-related Lymphoblastic Lymphoma, AIDS-related Peripheral/Systemic Lymphoma, AIDS-related Primary CNS Lymphoma, AIDS-related Small Noncleaved Cell Lymphoma, Childhood Diffuse Large Cell Lymphoma, Childhood Immunoblastic Large Cell Lymphoma, HIV-associated Hodgkin Lymphoma, Leptomeningeal Metastases, Recurrent Childhood Acute Lymphoblastic Leukemia, Recurrent Childhood Acute Myeloid Leukemia, Recurrent Childhood Large Cell Lymphoma, Recurrent Childhood Lymphoblastic Lymphoma, Recurrent Childhood Medulloblastoma, Recurrent Childhood Small Noncleaved Cell Lymphoma, Recurrent/Refractory Childhood Hodgkin Lymphoma, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
topotecan hydrochloride, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Year to 21 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
1
States / cities
Arcadia, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2013 · Synced Jul 23, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

A Phase II Study to Evaluate the Efficacy and Safety of Oral Ceritinib in Patients With ALK-positive NSCLC Metastatic to the Brain and/or to Leptomeninges

NCT02336451
View directory record Official record
Conditions
ALK-positive Non-small Cell Lung Cancer
Interventions
Ceritinib
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
7
States / cities
Los Angeles, California • Stanford, California • South Bend, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2020 · Synced Jul 23, 2026, 10:13 AM EDT
Recruiting Phase 3 Interventional

Testing Proton Craniospinal Radiation Therapy Versus the Usual Radiation Therapy for Leptomeningeal Metastasis, RADIATE-LM Trial

NCT06500481
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Metastatic Lung Non-Small Cell Carcinoma, Metastatic Malignant Neoplasm in the Leptomeninges, Stage IV Lung Cancer AJCC v8
Interventions
Biospecimen Collection, Computed Tomography, Involved-Field Radiation Therapy, Lumbar Puncture, Magnetic Resonance Imaging, Positron Emission Tomography, Proton Beam Craniospinal Irradiation, Quality-of-Life Assessment
Procedure · Radiation · Other
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
58
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Encinitas, California + 45 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jul 23, 2026, 10:13 AM EDT
Completed Phase 4 Interventional

DepoCyt Therapy in Patients With Neoplastic Meningitis From Lymphoma or a Solid Tumor

NCT00029523
View directory record Official record
Conditions
Meningeal Neoplasms
Interventions
Intrathecal (injected into the spinal fluid) DepoCyt, Intrathecal methotrexate, Intrathecal cytarabine (also known as ara-C)
Drug
Lead sponsor
Pacira Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
21
States / cities
Phoenix, Arizona • Berkeley, California • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2007 · Synced Jul 23, 2026, 10:13 AM EDT
Completed Phase 1 Interventional

Topotecan in Treating Patients With Recurrent, Progressive, or Refractory Cancer That is Metastatic to the Lining Around the Brain

NCT00025311
View directory record Official record
Conditions
Brain and Central Nervous System Tumors
Interventions
topotecan hydrochloride
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
Up to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2012 · Synced Jul 23, 2026, 10:13 AM EDT
Terminated No phase listed Observational

A Therapy Treatment Response Trial in Patients With Leptomeningeal Metastases ((LM) Using CNSide

NCT05414123
View directory record Official record
Conditions
Leptomeningeal Metastasis, Leptomeningeal Disease, Leptomeningeal Neoplasms, Breast Cancer, Non-Small Cell Lung Cancer
Interventions
CNSide
Device
Lead sponsor
Biocept, Inc.
Industry
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
4
States / cities
Stanford, California • Chicago, Illinois • Dallas, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Jul 23, 2026, 10:13 AM 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, 10:13 AM EDT