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The Marker - 2004 - Huntington's Disease Society of America

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WHAT DO EACH OF THESE HD PROJECTS STUDY?<br />

Brain Bank: <strong>The</strong> purpose is to obtain brain<br />

tissue from individuals with HD and related<br />

disorders in order to better understand the<br />

pathological changes that occur in the<br />

brain (See Fulfilling the Promise issue <strong>of</strong><br />

<strong>The</strong> <strong>Marker</strong> for complete list <strong>of</strong> brain banks<br />

for HD).<br />

Changes in Walking Patterns: A pilot<br />

study that defines problems and develops<br />

strategies for improving gait in early HD.<br />

CREST: Creatine Safety and Tolerability in<br />

HD determines the safety and tolerability <strong>of</strong><br />

Creatine in patients with HD as well as<br />

whether Creatine is beneficial in treating<br />

the symptoms <strong>of</strong> the disease.<br />

fMRI: Functional Magnetic Resonance<br />

Imaging is used to produce pictures <strong>of</strong> the<br />

brain. Gene positive, pre-symptomatic<br />

adults (18 years and older) are being<br />

recruited for this four-hour project that<br />

takes place in Milwaukee, WI.<br />

Genetic Discrimination Study asks those<br />

who have been genetically tested to<br />

participate in a one-time telephone<br />

interview to gather information about<br />

experiences and perceptions regarding<br />

discrimination in order to identify topics <strong>of</strong><br />

concern to those at risk for HD.<br />

Genetic Factors that Influence HD: <strong>The</strong><br />

purpose is to find genes that modify age <strong>of</strong><br />

onset or other features <strong>of</strong> HD. Finding these<br />

genes may provide clues for therapeutic<br />

approaches. HD MAPS is a larger study <strong>of</strong><br />

this premise.<br />

General HD Battery asks individuals at<br />

risk or diagnosed with HD to participate in<br />

this yearly two hour study which assesses<br />

motor, psychiatric, cognitive and behavioral<br />

changes.<br />

HD and Long Term Care: This study<br />

looked at the characteristics that predicted<br />

nursing home placement for people with<br />

HD. This study has been completed but a<br />

modified study is being considered.<br />

HD MAPS: HD Modifiers in Age at<br />

onset in Pairs <strong>of</strong> Siblings uses siblings to<br />

investigate the genetic factors that<br />

influence the age at which HD onset occurs<br />

and its severity. <strong>The</strong> study requires a blood<br />

sample from affected brothers and sisters<br />

and information about age <strong>of</strong> onset.<br />

Identification <strong>of</strong> Neurological and<br />

Psychiatric Disorders: This study identifies<br />

and characterizes the genetic causes <strong>of</strong><br />

inherited neurological and psychiatric<br />

disorders. Participants must be affected with<br />

symptoms similar to HD.<br />

Immune-HD studies the alterations in<br />

systemic immune functions in HD.<br />

Interviews on Living with HD: Interviews<br />

are conducted with individuals who have or<br />

are at risk for genetically related disorders,<br />

including HD, concerning their views on<br />

genetic privacy and their experiences.<br />

Longitudinal UHDRS database is a multiyear<br />

project to develop a database <strong>of</strong><br />

individuals that are at risk or have HD.<br />

This information will ultimately be used to<br />

plan for future research studies.<br />

Memantine for HD: Study sponsored by<br />

Forest Pharmaceuticals <strong>of</strong> the effects <strong>of</strong><br />

memantine on cognition, behavior and<br />

functioning in HD.<br />

MRI: Gene positive individuals may<br />

participate in this project that uses<br />

magnetic resonance imaging (MRI) scans<br />

to measure the volume <strong>of</strong> different regions<br />

<strong>of</strong> the brain in order to gain information<br />

about the disease process for HD.<br />

Neuropsychiatry Inventory in HD is a<br />

unified effort by various HSG sites to<br />

gather standardized information concerning<br />

behavioral problems in individuals with HD<br />

as perceived by their primary caregiver in<br />

order to establish baseline clinical<br />

information that might lead to future<br />

studies/research.<br />

Optimism: This project studies optimism,<br />

coping styles and distress. Information<br />

gathered will help researchers understand<br />

how certain beliefs influence mental health<br />

and ways that people with HD deal with<br />

situations.<br />

Outreach Study: This study observes<br />

the development <strong>of</strong> symptoms <strong>of</strong> those<br />

diagnosed with HD over a lifetime. Patients<br />

are followed on an annual or bi-annual<br />

basis when no longer able to travel to clinic<br />

to monitor changes in the condition <strong>of</strong><br />

each patient. This is an extension <strong>of</strong> the<br />

Longitudinal UHDRS database and allows<br />

those who can no longer attend clinic to<br />

contribute to research.<br />

OxPhos: This study looks at how people<br />

with HD use sugar and oxygen in the brain.<br />

PET Imaging: Positron Emission<br />

Topography (PET) is used to examine brain<br />

function in both HD patients and persons<br />

at risk for HD. <strong>The</strong> goals <strong>of</strong> the project are<br />

to explain the mechanisms underlying the<br />

different symptoms <strong>of</strong> HD and to find<br />

better ways to measure progression in HD.<br />

PHAIMOS: Prospective HD Assessment<br />

using Indices for Motor Skill is an HDSA<br />

funded study that looks at motor control in<br />

people who are gene positive for HD or<br />

have been recently diagnosed through one<br />

or more sessions lasting up to two hours.<br />

PHAROS: Prospective Huntington At<br />

Risk Observational Study looks at people<br />

who are at risk for HD to determine the<br />

earliest signs <strong>of</strong> the disease using interviews,<br />

surveys and examinations every 9 months<br />

for up to 10 visits.<br />

PHEND-HD: Phenylbutyrate<br />

Development for HD will evaluate the<br />

safety, tolerability and clinical impact<br />

<strong>of</strong> the drug phenylbutyrate and will begin<br />

in Spring <strong>2004</strong>. <strong>The</strong> study will last 20<br />

weeks with a visit or telephone contact<br />

every four weeks.<br />

18

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