Genetic Analysis of Familial Brain Aneurysms

This study has been completed.
Information provided by:
National Institutes of Health Clinical Center (CC) Identifier:
First received: March 1, 2001
Last updated: March 3, 2008
Last verified: March 2002

This study will investigate cerebral (brain) aneurysms and their possible inheritance patterns in families. It will try to determine how often brain aneurysms occur in families in which more than one member has had an aneurysm and to find the gene or genes that contribute to their development.

People in families in which more than one family member had a cerebral aneurysm are eligible for this 1-day study. They will undergo the following procedures:

  • Blood will be drawn (no more than 3 to 4 tablespoons) for research to identify genes that contribute to the development of brain aneurysms.
  • A magnetic resonance angiograph (MRA) scan will be done to examine a specific brain area where aneurysms typically occur. Magnetic resonance imaging uses a strong magnetic field and radio waves to produce images of the brain and detect abnormalities.

If a more detailed picture of the brain is needed than can be obtained with MRA, a more specific MRA scan will be done using a contrast dye to enhance the images.

Patients may be invited to participate in related NIH research studies.

Intracranial Aneurysm

Study Type: Observational
Official Title: Linkage Analysis of Familial Intracranial Aneurysms

Resource links provided by NLM:

Further study details as provided by National Institutes of Health Clinical Center (CC):

Estimated Enrollment: 300
Study Start Date: February 2001
Estimated Study Completion Date: March 2002
Detailed Description:

This study is designed to explore the genetics of familial cerebral aneurysms. Families in which more than one person has had a known cerebral aneurysm will be studied. Family histories will be obtained and participants identified who are willing to come to the NIH Clinical Center for an MRAngiograph and venipuncture. DNA will be isolated and linkage studies undertaken to identify loci involved in the etiology of familial cerebral aneurysms, using standard linkage approaches.


Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No


Participants and their relatives that are affected or at a higher risk for cerebral aneurysms will be enrolled in this protocol.


For the MR Angiograph portion of the study, any participant that is not able to sign the Clinical Center consent form due to metal implants, pregnancy, claustrophobia, or an allergy to gadolinium as a contrast will be excluded from the imaging part of the study.

  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00011856

United States, Maryland
National Human Genome Research Institute (NHGRI)
Bethesda, Maryland, United States, 20892
Sponsors and Collaborators
National Human Genome Research Institute (NHGRI)
  More Information

No publications provided Identifier: NCT00011856     History of Changes
Other Study ID Numbers: 010101, 01-HG-0101
Study First Received: March 1, 2001
Last Updated: March 3, 2008
Health Authority: United States: Federal Government

Keywords provided by National Institutes of Health Clinical Center (CC):
Intracranial Aneurysms
Susceptibility Genes
Cerebral Aneurysm
Familial Cerebral Aneurysm

Additional relevant MeSH terms:
Intracranial Aneurysm
Brain Diseases
Cardiovascular Diseases
Central Nervous System Diseases
Cerebrovascular Disorders
Intracranial Arterial Diseases
Nervous System Diseases
Vascular Diseases processed this record on October 07, 2015