NCT04695080进行中（未招募）2 期
ChariotMS - A National (UK) Phase IIb, Multi-centre, Randomised, Double-blind, Placebo Controlled (1:1) Efficacy Trial With Cost-utility Analysis of Cladribine Tablets (3.5mg/kg Over Two Years) in People With Advanced Multiple Sclerosis. Is Cladribine Superior to Placebo in Protecting Upper Limb Function?
适应症
干预措施
相关药物
试验速览
- 阶段
- 2 期
- 状态
- 进行中（未招募）
- 入组人数
- 204
- 试验地点
- 44
- 主要终点
- The 9-HPT peg speed (tasks/second) at 24 months
研究概览
简要总结
MS is a chronic inflammatory and degenerative disease of the central nervous system (CNS) affecting more than 120,000 people in the UK.and 2.5 million people worldwide.
Without disease modifying treatment (DMT),the majority of people with MS (pwMS) will develop significant disability within 10 years of onset, and 50% will require wheelchair assistance within 20 years. convenient, highly effective and CNS penetrant DMT for patients with relapsing multiple sclerosis (pwRMS) administered in short (8-10 days/year over 2 years) treatment courses.
It effectively depletes B cells, particularly Memory B cells, a likely key mechanism of disease control in MS. Cladribine is the investigational product in this study as it not currently used to treat patients with an EDSS of 6.5 - 8.5. This is a multi-centre, randomised double-blind placebo-controlled phase IIb to test cladribine tablets (MAVENCLAD®) (3.5mg/kg over 24 months) for safety, efficacy, and cost effectiveness, and to advance mechanistic understanding of its action in people with advanced MS (pwAMS).
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •pwAMS aged 18+ years with an EDSS of 6.5-8.5 (inclusive)
- •History of bowel cancer screening for men, and women and cervical and breast cancer screening for women as per NHS recommended guidelines https://www.nhs.uk/conditions/nhs-screening/.
- •Ability to complete the 9HPT with at least one upper limb within 180 seconds. The average score of both attempts for each hand should be used to assess eligibility.
- •Confirmation of MS diagnosis according to the McDonald Criteria (2017) Thompson et al. 2018).
- •In the judgement of the investigator, evidence of deterioration of upper limb function during the 2 years running up to the screening date.
排除标准
- •Participants with known hypersensitivity to Cladribine of any grade (as per CTCAE grading system) should be excluded
- •Any uncontrolled diabetes, arterial hypertension and hypercholesterolaemia as determined by PI or delegated sub-investigator
- •A history of stroke and/or myocardial infarction
- •Moderate to severe renal impairment (creatinine clearance <60 ml/min)
- •Moderate to severe hepatic impairment (Child-Pugh score >6)
- •Significant comorbidity, e.g. cardiac failure, renal failure, malignancy, or other health condition that in the view of the PI or delegated sub-investigator precludes participation. Patients who, following discussion with their cancer treatment team, are deemed to be cured from malignancy, may be eligible to participate as per the clinical judgement of the local PI.
- •Pregnancy including planning to father a child or breastfeeding
- •Body weight less <40kg
- •Unwillingness to use effective contraception throughout the trial period until at least six months after the last administration of IMP. This is not applicable for post-menopausal women
- •Acute infection (uncontrolled)
- •Infection with Human Immunodeficiency Virus 1 and/or 2
- •Active chronic infection (Syphilis, Tuberculosis, Hepatitis). Patients with active TB will be excluded. However, patients who have a positive IGRA, Elispot or Quantiferon test, but exhibit no symptoms for TB and evidence of a normal Chest X Ray, can be included in the study as per judgement of the local PI and after clarification with the CI.
- •Precancerous condition
- •Total lymphocyte count <1.0*109/L
- •Seronegativity for varicella zoster virus. Potential participants who are IgG negative may undergo vaccination, and can be screened again once full course has been completed.
- •Seronegativity for all of the following: measles, mumps, rubella. Potential participants who are IgG negative for all 3 viruses, may undergo vaccination and can be screened again once full course has been completed.
- •Relapse within six months before screening
- •Inability to complete an MRI (contraindications for MRI, including but not limited to, MRI-non-compatible pacemaker, cochlear implants, intracranial vascular clips, surgery within 6 weeks of entry in the study, coronary stent implanted within 8 weeks prior to the time of the intended MRI, severe anxiety or claustrophobia etc.) or contraindication to Gd administration.
- •Treatment with steroids due to MS relapse/progression within three months of screening. pwAMS who fall in this category may undergo a further screening visit once the three months' window has expired and may be included if no steroid treatment has been administered in the intervening period. If for any reason a participant is unable to have a baseline MRI scan (due for safety reasons), this MRI scan may be omitted and a recent 'historical' MRI scan (collected within the 3 months preceding the first IMP dose dispensing at Baseline visit) can be used at the CI's discretion. This will need to be assessed by the CI case by case basis. The review of the historical MRI scan to exclude PML should be clearly documented in the subject's electronic health records prior to the first IMP dose dispensing at Baseline visit.
- •Treatment with any interferon-beta, glatiramer acetate, teriflunomide, leflunomide or dimethyl-fumarate within three months before screening.
- •Treatment with natalizumab, fingolimod, siponimod, ponesimod, ozanimod (or other Sphingosine-1-phosphate receptor modulators) within three months of screening.
- •Treatment with azathioprine, methotrexate, or cyclosporine within six months before screening.
- •pwAMS treated with teriflunomide will need to undergo accelerated elimination of the compound before being considered (Research and Case Medical Research 2019).
- •Treatment with haematopoietic stem cell transplantation (HSCT), mitoxantrone, cyclophosphamide, cladribine, alemtuzumab, or another B cell depleting compound, such as rituximab, ocrelizumab, ublitiuximab, ofatumumab, or biosimilars, unless the participant concerned has a memory B cell level of ≥20% of the CD19+ population in the peripheral blood. Such a level would normally not be expected earlier than a minimum of six months after the last drug administration. Participants who underwent such treatment will therefore have to be tested for their CD19+/CD27+ memory B cell level at screening.
- •Treatment with fampridine: If they are already on treatment for at least one month, participants should continue throughout the trial. However, starting continuous fampridine treatment after signing the consent sheet will lead to exclusion from treatment with IMP/placebo.
- •Concurrent participation or previous participation within the last 6 months in another clinical trial of an IMP or medical device.
- •Unable to swallow tablets
研究组 & 干预措施
Placebo
Placebo Comparator
干预措施: Placebo (Drug)
Cladribine (MAVENCLAD®)
Active Comparator
干预措施: Cladribine (MAVENCLAD®) (Drug)
结局指标
主要结局
The 9-HPT peg speed (tasks/second) at 24 months
时间窗: 24 months
To establish whether there is efficacy superiority of cladribine tablets over placebo in reducing deterioration of upper limb function in pwAMS. To investigate whether cladribine tablets 3.5mg/kg over 24 months is an effective DMT in pwAMS as measured using the 9-hole peg test (9HPT) peg speed at 24 months.
9-HPT proportion of patients who do not deteriorate at 24 months
时间窗: 24 months
次要结局
- Change over 24 months of the study in clinical outcome measure: ARAT(Screening, Month 6, 12, 18 and 24)
- Change over 24 months of the study in clinical outcome measure: EDSS(Screening, Month 6, 12, 18 and 24)
- Change over 24 months of the study in clinical outcome measure: SLCVA(Screening, Month 6, 12, 18 and 24)
- Change over 24 months of the study in clinical outcome measure: NFI-MS(Screening, Month 6, 12, 18 and 24)
- Change over 24 months of the study in clinical outcome measure: MSIS-29v2(Screening, , Month 6, 12, 18 and 24)
- Change over 24 months of the study in clinical outcome measure: SDMT(Screening, Month 6, 12, 18 and 24)
- Preventing new focal demyelinating lesions and T2 burden of disease increase.(Screening, Month 6 and 24)
- Preventing new hypo-intense lesions ("black holes") on T1 weighted MRI(Screening, Month 6 and 24)
- Safety/occurrence of adverse events(Through study completion, an average of 24 months)
- Preventing loss of spinal cord cross sectional area(Screening, Month 6 and 24)
- Change over 24 months of the study in clinical outcome measure: ABILHAND(Screening, Month 6, 12, 18 and 24)
- Change over 24 months of the study in clinical outcome measure: T25ftWT(Screening, Month 6, 12, 18 and 24)
- Change over 24 months of the study in clinical outcome measure: WPAI-GH(Baseline, Month 6, 12, 18 and 24)
- Degree of unblinding(Month 24)
- Change over 24 months of the study in clinical outcome measure: EuroQoL EQ-5D-5L(Screening, Month 6, 12, 18 and 24)
- Preventing loss of brain volume(Screening, Month 6 and 24)
研究者
研究点 (44)
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