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Active clinical trials for "Central Nervous System Neoplasms"

Results 601-610 of 634

Developing Interview Questions to Estimate Workplace Exposure to Electric and Magnetic Fields

Brain and Central Nervous System Tumors

RATIONALE: Electric and magnetic fields may increase the risk of cancer. Developing interview questions that accurately estimate a person's exposure to electric and magnetic fields may help doctors learn about the long-term effects of workplace exposure. PURPOSE: This clinical trial is developing interview questions that can be used in estimating workplace exposure to electric and magnetic fields.

Completed8 enrollment criteria

Changes in Semen or Sperm Caused by Temozolomide in Patients With Newly Diagnosed, Progressive,...

Brain and Central Nervous System TumorsChemotherapeutic Agent Toxicity1 more

RATIONALE: Learning whether temozolomide changes semen or sperm in patients with brain tumors may help doctors learn about the long-term effects of treatment and plan the best treatment. PURPOSE: This clinical trial is studying changes in semen or sperm caused by temozolomide in patients with newly diagnosed, progressive, or recurrent primary malignant brain tumors.

Completed12 enrollment criteria

Studying Gene Expression and Location in Samples From Patients With Brain Tumors

Brain and Central Nervous System Tumors

RATIONALE: Studying samples of tumor tissue from patients with cancer in the laboratory may help doctors identify and learn more about biomarkers related to brain tumors. PURPOSE: This research studies gene expression and location in samples from patients with brain tumors.

Completed8 enrollment criteria

Study of Tissue and Blood Samples From Patients With High-Grade Glioma

Brain and Central Nervous System Tumors

RATIONALE: Studying samples of tumor tissue and blood from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer. It may also help doctors predict how patients will respond to treatment. PURPOSE: This research study is looking at tissue and blood samples from patients with high-grade glioma.

Completed3 enrollment criteria

Study of Blood Samples and Risk of Infection in Patients With Newly Diagnosed Malignant Supratentorial...

Brain and Central Nervous System TumorsInfection

RATIONALE: Gathering information over time from laboratory tests of patients with newly diagnosed malignant supratentorial astrocytoma may help doctors learn more about the effect of treatment on white blood cell count and the risk of infection. PURPOSE: This clinical trial is studying blood samples and risk of infection in patients with newly diagnosed malignant supratentorial astrocytoma.

Completed28 enrollment criteria

Acute Side Effects in Patients Who Are Undergoing Stereotactic Radiosurgery for Brain Tumors or...

Brain and Central Nervous System TumorsMetastatic Cancer1 more

RATIONALE: Learning about the side effects of stereotactic radiosurgery in patients with brain tumors or other brain disorders may help doctors plan treatment and help patients live more comfortably. PURPOSE: This clinical trial is studying the acute side effects in patients who are undergoing stereotactic radiosurgery for brain tumors or other brain disorders.

Completed32 enrollment criteria

A-protein Levels in Adult and Pediatric Brain Tumor Patients

Malignant Childhood Central Nervous System Neoplasm

The purpose of this study is to evaluate the sensitivity and specificity of "A-PROTEIN" levels in patients with brain tumors. A-PROTEIN levels will be analyzed both pre and post treatment. Levels in blood and/or cerebrospinal fluid (CSF) will be analyzed and correlated with the underlying diagnosis and outcome.

Completed5 enrollment criteria

Genetic Study of Newly Diagnosed Central Nervous System Tumors in Young Children

Central Nervous System Embryonal Neoplasm

RATIONALE: Genetic studies may help in understanding the genetic processes involved in the development of some types of cancer. PURPOSE: Genetic study to learn more about genes involved in the development of central nervous system tumors in young children.

Completed39 enrollment criteria

Studying Gene Expression in Samples From Patients With Rhabdoid Tumors

Brain and Central Nervous System TumorsKidney Cancer

RATIONALE: Studying samples of tumor tissue from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and find biomarkers related to cancer. It may also help doctors find better ways to treat cancer. PURPOSE: This research trial studies gene expression in samples from patients with rhabdoid tumors.

Completed9 enrollment criteria

Outcomes Study of Late Effects After Proton RT for Pediatric Tumors of the Brain, Head, and Neck...

Central Nervous System Tumors

The purpose of this study is to collect information from medical records to see what effects proton beam radiation has on cancer and analyze possible side effects.

Completed6 enrollment criteria
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