Huntington Disease Clinical Trial
Official title:
A Phase 1/2a, Open-label Trial to Investigate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Multiple Ascending Doses of Intrathecally Administered VO659 in Participants With Spinocerebellar Ataxia Types 1, 3 and Huntington's Disease
The goal of this first-in-human clinical trial is to assess the safety and tolerability of four doses of a new study drug called VO659 in people with genetic disorders called spinocerebellar ataxia type 1, type 3 or Huntington's disease. Another aim is to determine the concentrations of the study drug in the cerebral spinal fluid and blood after single and multiple doses. Study drug will be administered by lumbar intrathecal bolus injections.
Status | Recruiting |
Enrollment | 65 |
Est. completion date | September 15, 2025 |
Est. primary completion date | September 1, 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 25 Years to 60 Years |
Eligibility | Main Inclusion Criteria: - Provide written informed consent (signed and dated). Patients should be assessed for their ability to give informed consent using the Evaluation to Sign Consent tool. - Is =25 and =60 years of age inclusive, of any gender, at the time of signing the informed consent. - Have SCA1, SCA3 or HD meeting one of the following criteria: 1. SCA1 and SCA3: mild to moderate disease with a Scale for Assessment and Rating of Ataxia (SARA) score of =3 and =18 2. HD: early manifest, Stage I disease with a Total Functional Capacity (TFC) Score of =11 and =13 and a Unified Huntington's Disease Rating Scale (UHDRS) Diagnostic Confidence Level (DCL) of 4. - Have genetically confirmed disease, defined by increased cytosine, adenine, and guanine (CAG) repeat length in the disease-causing allele by direct DNA testing. For each indication the requirements are: 1. SCA1: =41 contiguous, uninterrupted CAG repeats in the ATXN1 gene 2. SCA3: =61 repeats in the ATXN3 gene 3. HD: =36 CAG repeats in the HTT gene. - Please note there will be additional inclusion criteria Main Exclusion Criteria: - Have any condition that would prevent participation in trial assessments. - Have one or more pathogenic mutation(s) in another polyQ disease gene, i.e., ATXN2, CACNA1A, ATXN7, TBP, AR, and ATN1, plus either ATXN3 and HTT (for patients with SCA1), ATXN1 and HTT (for participants with SCA3), or ATXN1 and ATXN3 (for participants with HD), in addition to the disease-causing mutation in the ATXN1 (patients with SCA1), ATXN3 (patients with SCA3) or HTT (patients with HD) gene. - Have clinical diagnosis of moderate or severe chronic migraines or history of the post-lumbar-puncture headache of moderate or severe intensity requiring hospitalisation or blood patch. - Have a brain, spinal or systemic disorder that would interfere with the LP process, CSF circulation, or safety assessments. - Have history of bleeding diathesis or coagulopathy, platelet count less than the lower limit of normal unless stable and assessed by the investigator and the Medical Monitor to be not clinically significant. - Have uncompensated cardiovascular disorder, any past or present cardiac arrhythmia, QTcF values on screening ECG of >470 ms, familial history of long QT syndrome or sudden unexpected death. - Have a history of attempted suicide, suicidal ideation with a plan that required hospital admission and/or change in level of care within 12 months prior to screening. - Have medical, psychiatric, or other conditions that, in the judgement of the investigator, may compromise the patient's ability to understand the patient information sheet, to give informed consent, to comply with all trial requirements, or to complete the trial. - Prior treatment with an antisense oligonucleotide (including siRNA). - Pregnant or breast-feeding (lactating) women or women who plan to become pregnant or breast-feed during the trial. - Unable to undergo and tolerate MRI scans. - Please note there will be additional exclusion criteria |
Country | Name | City | State |
---|---|---|---|
Denmark | Rigshospitalet | Kopenhagen | |
France | Centre Hospitalier Universitaire dÁngers | Angers | |
France | CHU Gui de Chauliac Montpellier- Expert Center of Neurogenetic diseases, Department of Neurology | Montpellier | |
France | Universtiry Hospitals Pitie Salpetriere - Charles foix - Paris | Paris | |
Germany | Katholisches Klinikum Bochum | Bochum | |
Germany | Deutsches Zentrum fur Neurodegenerative Erkrankungen (DZNE) | Bonn | |
Germany | Universitatsklinikum Essen - Neurologie | Essen | |
Germany | Universitatsklinikum Tübingen | Tübingen | |
Israel | Meir Medical Center | Kfar Saba | |
Israel | Sourmansky Medical Center | Tel Aviv | |
Netherlands | Leiden University Medical Center LUMC | Leiden | |
Netherlands | Radbout University Medical Centre | Nijmegen | |
Poland | Institute of Psychiatry and Neurology | Warsaw | |
United Kingdom | University College London Hospitals NHS Foundation | London | |
United Kingdom | John Radcliffe Hospital | Oxford |
Lead Sponsor | Collaborator |
---|---|
Vico Therapeutics B. V. |
Denmark, France, Germany, Israel, Netherlands, Poland, United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Incidence & dose relationships of treatment-related AEs, SAEs, AEs of special interest (AESI), severe events (NCI- CTCAE Grade 3 or higher). | As measured in each dose group and overall. Unit of measurement: proportion | Day 0-253 | |
Primary | Vital signs | temperature in centigrade, heart rate in beats per minute (BPM), systolic and diastolic blood pressure blood pressure, respiratory rate in breaths per minute | Day 0-253 | |
Primary | Body weight | In kilograms | Day 0-253 | |
Primary | Electrocardiogram (ECG) RR interval | In milliseconds (ms) | Day 0-253 | |
Primary | Electrocardiogram (ECG) - PR interval | In milliseconds (ms) | Day 0-253 | |
Primary | Electrocardiogram (ECG) - QTc interval | In milliseconds (ms) | Day 0-253 | |
Primary | Laboratory safety parameters in blood - white blood cell count | In cells/mL | Day 0-253 | |
Primary | Laboratory safety parameters in blood - hemoglobin | In g/dL | Day 0-253 | |
Primary | Laboratory safety parameters in blood - platelets | In cells/cL | Day 0-253 | |
Primary | Laboratory safety parameters in blood - prothrombin time (PT) | In seconds | Day 0-253 | |
Primary | Laboratory safety parameters in blood - activated partial thromboplastin clotting time (aPTT) | In seconds | Day 0-253 | |
Primary | Laboratory safety parameters in blood - international normalised ratio (INR) | as a ration | Day 0-253 | |
Primary | Laboratory safety parameters in blood - blood urea nitrogen | In mg/dL | Day 0-253 | |
Primary | Laboratory safety parameters in blood - carbon dioxide | In mEq/L | Day 0-253 | |
Primary | Laboratory safety parameters in blood - creatinine | In mg/dL | Day 0-253 | |
Primary | Laboratory safety parameters in blood - glucose | In mg/dL | Day 0-253 | |
Primary | Laboratory safety parameters in blood - chloride | In mEq/L | Day 0-253 | |
Primary | Laboratory safety parameters in blood - potassium | In mEq/L | Day 0-253 | |
Primary | Laboratory safety parameters in blood - sodium | In mEq/L | Day 0-253 | |
Primary | white blood cell (WBC) count in cerebrospinal fluid (CSF) | 1/µL | Day 0-253 | |
Primary | Protein levels in cerebrospinal fluid (CSF) | in g/L | Day 0-253 | |
Primary | Structural imaging assessment of any new abnormalities | Structural MRI sequences to assess safety as qualitatively assessed by a trained neuroradiologist (3D T1 weighted, 3D T2weighted-FLAIR and susceptibility-weighted imaging (SWI) sequences) | Day 0-253 | |
Primary | Percentage of participants with suicidal ideation or behaviour, as assessed by the Columbia suicide severity rating scale (C-SSRS). | The C-SSRS is a structured tool to assess suicidal ideation and behavior. Four constructs are measured: severity of ideation, intensity of ideation, behavior, and lethality of actual suicide attempts. Binary (yes/no) data are collected for 10 categories, and composite endpoints based on the categories are followed over time to monitor patient safety. | Day 0-253 | |
Secondary | Concentrations of VO659 in cerebrospinal fluid (CSF) | in µg/mL | _Day 1, 29, 57, 85, 120, 204, 253 | |
Secondary | Concentrations of VO659 in plasma | in µg/mL | _Day 1, 29, 57, 85, 120, 204, 253 | |
Secondary | Maximum plasma concentration (Cmax) for VO659 | in µg/mL | Day 1, Day 85 | |
Secondary | Time to maximum plasma concentration (Tmax) for VO659 | in days | Day 1, Day 85] | |
Secondary | Area under the plasma concentration time curve for VO659 from time 0 to last quantifiable concentration of (AUC0-t) | µg*h/L | Days 1, 2, 8, Days 85, 86, 92] | |
Secondary | Terminal half-life (t1/2) of VO659 in plasma | In days | Days 1, 2, 8 | |
Secondary | Terminal half-life (t1/2) of VO659 in cerebrospinal fluid (CSF) | in days | Day 1 through Day 253 |
Status | Clinical Trial | Phase | |
---|---|---|---|
Terminated |
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