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Studie zur Messung des mutierten Huntington-Proteins im Liquor bei Teilnehmenden mit früher manifester Huntington-Krankheit des Stadiums I oder II
Study to Measure Cerebrospinal Fluid Mutant Huntingtin Protein in Participants With Early Manifest Stage I or Stage II Huntington’s Disease
Neurodegenerative Erkrankung Huntington-Krankheit
Basisinformationen
Sponsor
Hoffmann-La Roche
Studien-ID
NCT03664804, BN40422
Condition
Huntington's Disease
Official Title
A Multi-Site, Prospective, Longitudinal, Cohort Study Measuring Cerebrospinal Fluid-Mutant Huntingtin Protein in Patients With Huntington's Disease
Einschlusskriterien
All
≥ 25 Years & ≤ 65 Years
No
Inclusion Criteria
- Capacity to consent to participate in the study as assessed using the Evaluation to Sign Consent tool and investigator judgment
- Age 25 to 65 years, inclusive, at the time of signing Informed Consent Form
- Early manifest, Stage I or Stage II HD (defined as TFC of 7-13, inclusive)
- Genetically confirmed disease (CAG repeat length ≥ 36 in huntingtin gene by direct DNA testing)
- Body mass index ≥18 and ≤32 kg/m2; total body weight >50 kg
- Ability to undergo and tolerate MRI scans
- Ability to tolerate blood draws and lumbar puncture
- Ability and willingness to comply with all aspects of the protocol, including completion of interviews and questionnaires and carrying/wearing of a digital monitoring device
- Stable medical, psychiatric, and neurological status for at least 12 weeks prior to screening and at the time of enrollment
- Signed study companion consent for participation, if a study companion is available
- For women of childbearing potential: agreement to remain abstinent or use acceptable contraceptive methods during the observational period
Exclusion Criteria
- Any condition, including severe chorea, that would prevent either writing or performing pen and paper or smartphone-based tasks
- History of attempted suicide or suicidal ideation with plan (i.e., active suicidal ideation) that required hospital visit and/or change in level of care within 12 months prior to screening
- Current active psychosis, confusional state, or violent behavior
- Any serious medical condition or clinically significant laboratory, vital sign, or electrocardiogram abnormalities at screening that, in the investigator's judgement, precludes the participant's safe participation in and completion of the study
- Pregnant or breastfeeding, or intending to become pregnant during the study
- Positive for hepatitis C virus antibody or hepatitis B surface antigen at screening
- Known HIV infection
- Current or previous use of an antisense oligonucleotide (including small interfering RNA)
- Current use of antipsychotics prescribed for psychosis, cholinesterase inhibitors, memantine, amantadine, or riluzole including use within 12 weeks of enrollment
- Treatment with an investigational drug within 30 days prior to screening or 5 half-lives of the investigational drug, whichever is longer
- Antiplatelet or anticoagulant therapy within the 14 days prior to screening or anticipated use during the study, including, but not limited, to aspirin (unless ≤81mg/day), clopidogrel, dipyridamole, warfarin, dabigatran, rivaroxaban, and apixaban
- History of bleeding diathesis or coagulopathy; platelet count < lower limit of normal unless stable and assessed by the Investigator and Sponsor Medical Monitor to be not clinically significant
- Malignancy within 5 years prior to screening, except basal or squamous cell carcinoma of the skin or carcinoma in situ of the cervix that has been successfully treated
- History of gene therapy or cell transplantation or any other experimental brain surgery
- Concurrent or planned concurrent participation in any clinical study without approval of the Medical Monitor
- Presence of implanted shunt for the drainage of CSF or an implanted CNS catheter
- Pre-existing structural brain lesion as assessed by MRI scan
Die folgenden Informationen stammen aus der öffentlich zugänglichen Website ClinicalTrials.gov und werden für Laien bearbeitet.
Die folgenden Informationen stammen aus der öffentlich zugänglichen Website ClinicalTrials.gov und werden nicht geändert.
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