Идёт набор NCT05509153
A Randomised Controlled Trial, Of N-Acetyl Cysteine (NAC), for Premanifest Huntingtin Gene Expansion Carriers
Ориентир для пациента и семьи
Простыми словами
Автоматическая сводка по структурированным данным реестра. Она помогает сориентироваться, но не заменяет официальный протокол или оценку врача.
- Что изучают
- В протоколе указаны: NAC, Placebo.
- Кому может быть актуально
- Состояния в реестре: Huntington Disease. Базовые параметры: от 18 лет · Все.
- Что важно проверить
- Возраст, диагноз и пол — только базовые ориентиры. Предыдущее лечение, анализы и другие обязательные условия указаны ниже в критериях участия.
- Где проводится
- Австралия
- Следующий шаг
- Сохраните исследование, покажите его лечащему врачу и уточните актуальный статус у исследовательского центра. Расходы, документы и поездка →
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Обзор
NAC-preHD is a phase II randomized placebo controlled study of oral NAC among premanifest HD gene expansion carriers, with clinical and radiological outcome at three years.
Вмешательства
- Препарат NAC
1g of clinical grade N-Acetylcysteine capsules, taken orally twice a day - Препарат Placebo
Coated Placebo capsules, manufactured to match appearance and taste, taken orally twice a day
Первичные конечные точки
- Caudate Atrophy Rate on volumetric MRI [Срок оценки: Baseline through end of study (up to 3 years)]
- Rate of motor phenoconversion [Срок оценки: Baseline through end of study (up to 3 years)]
Вторичные конечные точки (11)
- UHDRS motor subscale (total score) [Срок оценки: Baseline through end of study (up to 3 years)]
- Stroop Word [Срок оценки: Baseline through end of study (up to 3 years)]
- Trail Making Test [Срок оценки: Baseline through end study (up to 3 years)]
- Montreal Cognitive Assessment [Срок оценки: Baseline through end of study (up to 3 years)]
- Symbol Digit Modality Test [Срок оценки: Baseline through end of study (up to 3 years)]
- Changes in Mood and Behavioural symptoms [Срок оценки: Baseline through end of study (up to 3 years)]
- Changes in Daily Function [Срок оценки: Baseline through end of study (up to 3 years)]
- Change to Quality of Life [Срок оценки: Baseline through end of study (up to 3 years)]
- Study completion (Safety and Tolerability) [Срок оценки: Baseline through end of study (up to 3 years)]
- Incidence of abnormal laboratory values and/or 12-lead ECG changes (Safety and Tolerability) [Срок оценки: Baseline through end of study (up to 3 years)]
- Incidence of adverse and/or serious adverse events (Safety and Tolerability) [Срок оценки: Baseline through end of study (up to 3 years)]
Критерии участия
Критерии включения
- Able to provide informed consent
- Huntingtin gene expansion carrier with >= 39 CAG repeats
- Absence of unequivocal motor signs of HD - that is, UHDRS
- Diagnostic Confidence Level needs to be <4 upon enrolment
- Expected to develop clinical HD within 10 years of trial enrolment using the Langbehn formula
- Availability of an informant for corroborative history
- Negative serum pregnancy test for women of childbearing potential
- If of childbearing potential, is able and agrees to remain abstinent or use adequate contraceptive methods
- Ability to tolerate MRI scans
- Ability to tolerate blood draws
- Able to comply with all study protocol requirements, according to the investigators judgement
- In the opinion of the investigator, medically, psychiatrically and neurologically stable at the time of enrolment
Критерии исключения
- Diagnosis of clinical HD
- Known hypersensitivity to NAC
- Pregnancy, breastfeeding or intention to do so prior to the end of the study
- Exposure to any investigational drugs within 30 days of Baseline Visit
- Use of supplemental NAC
- Abnormalities in laboratory measurements, ECG or vital signs at screening, which precludes safe participation in the study
- Current or history of substance abuse within one year of Baseline visit
- Unstable psychiatric or acute medical illness including cancer, as determined by investigator
- Current use of antipsychotic medications or Tetrabenazine
- History of gene therapy, cell transplantation, or any experimental brain surgery
- History of attempted suicide or suicidal ideation within 12 months prior to screening
- Pre-existing structural brain lesion as assessed by a centrally read MRI scan during the screening period
Критерии приведены из реестра в оригинале (на английском). Окончательную оценку соответствия проводит исследовательский центр.
Здоровые добровольцы: Нет
Дизайн исследования
- Распределение
- Рандомизированное
- Модель
- Параллельные группы
- Маскирование
- Четверное слепое
- Основная цель
- Лечение
Центры проведения
Австралия · 5 центров
- Westmead Hospital — Westmead
- The University of Queensland — Herston
- Calvary Health Care Bethlehem — Parkdale
- The Royal Melbourne Hospital — Parkville
- Perron Institute — Nedlands
Идентификаторы
NCT: NCT05509153 · 2021/ETH12013