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Showing 1–24 of 79 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Leptomeningeal Neoplasms Clear all
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 22, 2026, 8:18 PM EDT
Completed Early Phase 1 Interventional

Pemetrexed Disodium in the Cerebrospinal Fluid of Patients With Leptomeningeal Metastases

NCT00424242
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Lymphoproliferative Disorder, Metastatic Cancer, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Precancerous Condition, Secondary Myelofibrosis, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
Pemetrexed
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 120 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 7, 2021 · Synced Jul 22, 2026, 8:18 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 22, 2026, 8:18 PM EDT
Terminated Phase 1 Interventional

DepoCyt Plus Temozolomide in Patients With Neoplastic Meningitis

NCT00515788
View directory record Official record
Conditions
Neoplastic Meningitis
Interventions
DepoCyt, Temozolomide
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 11, 2012 · Synced Jul 22, 2026, 8:18 PM EDT
Recruiting Phase 1Phase 2 Interventional

SJ901: Evaluation of Mirdametinib in Children, Adolescents, and Young Adults With Low-Grade Glioma

NCT04923126
View directory record Official record
Conditions
Low-Grade Glioma, Recurrent Low-Grade Glioma, Progressive Low-Grade Glioma
Interventions
Mirdametinib
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
2 Years to 24 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 22, 2026, 8:18 PM EDT
Recruiting Not applicable Interventional

Optimizing Contrast Dose and Scanning Parameters for Detection of Leptomeningeal Disease

NCT07415018
View directory record Official record
Conditions
Leptomeningeal Disease
Interventions
MRI Scan, VUEWAY, Gadavist
Procedure · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Jul 22, 2026, 8:18 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 22, 2026, 8:18 PM EDT
Completed Phase 1 Interventional

Study of Proton Radiation to the Brain and Spinal Cord for Patients With Leptomeningeal Metastases

NCT03520504
View directory record Official record
Conditions
Leptomeningeal Metastases
Interventions
Proton craniospinal irradiation (CSI)
Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
10 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2022 · Synced Jul 22, 2026, 8:18 PM EDT
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 22, 2026, 8:18 PM EDT
Completed Phase 1 Interventional

Trastuzumab Plus R115777 in Treating Patients With Advanced or Metastatic Cancer

NCT00005842
View directory record Official record
Conditions
Cancer
Interventions
trastuzumab, tipifarnib
Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
2
States / cities
Fort Sam Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2013 · Synced Jul 22, 2026, 8:18 PM EDT
Terminated No phase listed Observational

Testing Cerebrospinal Fluid for Cell-free Tumor DNA in Children, Adolescents, and Young Adults With Brain Tumors

NCT05934630
View directory record Official record
Conditions
Anaplastic Astrocytoma, Diffuse Brainstem Glioma, Glioblastoma Multiforme, High-grade Astrocytoma NOS, Fibrillary Astrocytoma, Low-Grade Astrocytoma, Nos, Pilocytic Astrocytoma, Choroid Plexus Carcinoma, CNS Primary Tumor, Nos, Atypical Teratoid/Rhabdoid Tumor, Medulloblastoma, Supratentorial Primitive Neuroectodermal Tumor, Ependymoma, NOS, Anaplastic Oligodendroglioma, Oligodendroglioma, Nos, CNS Germ Cell Tumor, Pineoblastoma, Diffuse Leptomeningeal Glioneuronal Tumor
Interventions
Not listed
Lead sponsor
Pediatric Brain Tumor Consortium
Network
Eligibility
Up to 40 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
9
States / cities
Los Angeles, California • Palo Alto, California • Washington D.C., District of Columbia + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jul 22, 2026, 8:18 PM EDT
Not listed Phase 1 Interventional

Chemotherapy in Treating Young Patients With Recurrent or Refractory Meningeal Leukemia, Lymphoma, or Solid Tumors

NCT00003073
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Leukemia, Lymphoma, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
liposomal cytarabine
Drug
Lead sponsor
Pacira Pharmaceuticals, Inc
Industry
Eligibility
1 Year to 21 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1997
U.S. locations
5
States / cities
Los Angeles, California • Stanford, California • Dallas, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2010 · Synced Jul 22, 2026, 8:18 PM EDT
Completed Phase 1 Interventional

LMB-7 Immunotoxin in Treating Patients With Leptomeningeal Metastases

NCT00003020
View directory record Official record
Conditions
Brain and Central Nervous System Tumors
Interventions
LMB-7 immunotoxin
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2000
U.S. locations
2
States / cities
Durham, North Carolina • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 19, 2013 · Synced Jul 22, 2026, 8:18 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 22, 2026, 8:18 PM EDT
Completed Phase 2 Interventional Results available

Iodine I 131 Monoclonal Antibody 3F8 in Treating Patients With Central Nervous System Cancer or Leptomeningeal Cancer

NCT00445965
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Intraocular Melanoma, Lung Cancer, Melanoma (Skin), Metastatic Cancer, Neuroblastoma, Ovarian Cancer, Retinoblastoma, Sarcoma, Small Intestine Cancer
Interventions
DNA analysis, immunologic technique, pharmacological study, iodine I 131 monoclonal antibody 3F8, 131I-3F8
Genetic · Other · Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Jul 22, 2026, 8:18 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 22, 2026, 8:18 PM EDT
Completed Phase 1 Interventional

Oral Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitors, AZD3759 or AZD9291, in Patients Who Have Advanced Non-Small Cell Lung Cancer

NCT02228369
View directory record Official record
Conditions
EGFR Mutation Positive Advanced Non Small Cell Lung Cancer
Interventions
AZD3759, AZD9291
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
Los Angeles, California • Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Jul 22, 2026, 8:18 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 22, 2026, 8:18 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 22, 2026, 8:18 PM EDT
Recruiting Phase 2 Interventional

Hippocampal Avoidance in Craniospinal Irradiation for the Treatment of Leptomeningeal Metastases From Breast Cancer or Non-small Cell Lung Cancer

NCT06518057
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, Electronic Health Record Review, Lumbar Puncture, Magnetic Resonance Imaging, Positron Emission Tomography, Proton Beam Craniospinal Irradiation, Survey Administration, Volume Modulated Arc Therapy, Hippocampal-Avoidance Craniospinal Irradiation
Procedure · Other · Radiation
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
San Francisco, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 22, 2026, 8:18 PM EDT
Withdrawn Phase 1Phase 2 Interventional

177Lu-DTPA-Omburtamab Radioimmunotherapy for Leptomeningeal Metastasis From Solid Tumors (Breast, NSCLC, Malignant Melanoma)

NCT04315246
View directory record Official record
Conditions
Leptomeningeal Metastasis, Solid Tumor, Adult
Interventions
radiolabeled DPTA-omburtamab
Biological
Lead sponsor
Y-mAbs Therapeutics
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
6
States / cities
Los Angeles, California • Baltimore, Maryland • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2022 · Synced Jul 22, 2026, 8:18 PM EDT
Completed Phase 1 Interventional

Safety Study of Afatinib for Brain Cancer

NCT02423525
View directory record Official record
Conditions
Brain Cancer
Interventions
Afatinib
Drug
Lead sponsor
Santosh Kesari
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Jul 22, 2026, 8:18 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Intrathecal Trastuzumab for Leptomeningeal Metastases in HER2+ Breast Cancer

NCT01325207
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab
Radiation
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
8
States / cities
San Francisco, California • Chicago, Illinois • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Jul 22, 2026, 8:18 PM EDT
Withdrawn Phase 1 Interventional

Trotabresib in Combination With Vinorelbine and Radiation Therapy for the Treatment of HER2+ Breast Cancer With Central Nervous System or Leptomeningeal Metastasis

NCT06137651
View directory record Official record
Conditions
Breast Carcinoma, Metastatic Malignant Neoplasm in the Brain, Metastatic Malignant Neoplasm in the Leptomeninges
Interventions
Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Radiation Therapy, Resection, Trotabresib, Vinorelbine
Procedure · Radiation · Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 31, 2024 · Synced Jul 22, 2026, 8:18 PM EDT