Clinical trial • Phase I/II • Neurology
IFEZUNTIRGENE INILPARVOVEC for Huntington's disease
Phase I/II trial of IFEZUNTIRGENE INILPARVOVEC for Huntington's disease.
Overview
- Trial Therapeutic Area
- Neurology
- Trial Disease
- Huntington's disease
- Trial Stage
- Phase I/II
- Drug Modality
- Gene therapy
- Orphan Drug
- Yes
Key dates
- Initial CTIS Submission Date
- 26-06-2024
- First CTIS Authorization Date
- 29-07-2024
Trial design
Randomised, low-dose amt-130 (6 × 10e12 gc/participant) versus high-dose amt-130 (6 × 10e13 gc/participant); no placebo or other comparator specified.-controlled, adaptive Phase I/II trial across 2 sites in Poland.
- Randomised
- Yes
- Comparator
- Low-dose AMT-130 (6 × 10e12 gc/participant) versus High-dose AMT-130 (6 × 10e13 gc/participant); no placebo or other comparator specified.
- Adaptive
- True, Two initial dose cohorts (Cohorts 1 and 2) with an additional double-blind expansion cohort (Cohort 3); if no maximum tolerated dose (MTD) is reached the study will be completed with the pre-planned highest dose and will not be further escalated.
- Single Multiple Or Escalation Dose Combined
- Yes
- Target Sample Size
- 17
- Trial Duration For Participant
- 1825
Eligibility
Recruits 17 No vulnerable populations selected; participants must provide written informed consent prior to study procedures. All participants are adults (25 to 65 years); no assent process described..
- Pregnancy Exclusion
- All female participants of childbearing potential (FOCPs) must have a negative serum pregnancy test at Screening (and Visit 1A, as appropriate), a negative pregnancy urine dipstick at Baseline, and not be breastfeeding. All FOCPs and sexually mature males must be compliant with a highly effective birth control method.
- Vulnerable Population
- No vulnerable populations selected; participants must provide written informed consent prior to study procedures. All participants are adults (25 to 65 years); no assent process described.
Inclusion criteria
- {"criterion_text":"- Able and willing to provide written informed consent prior to the study and any study-related procedure.\n- Male and female participants 25 to 65 years of age.\n- Cohorts 1 & 2: Early manifest HD as defined by a UHDRS TFC score of 9 to 13 and EITHER a. a DCL of 4 OR b. a DCL of 3 with either a positive (\"Yes\") response to UHDRS Question 80 (multidimensional manifest diagnosis on motor, cognitive, behavioral, functional) or DSM5 criteria for cognitive disorder (American Psychiatric Association, 2013; MDS Task Force criteria). Cohort 3: Early manifest HD as defined by a UHDRS TFC score of ≥11 and EITHER a. a DCL of 4 OR b. a DCL of 3 with either a positive (\"Yes\") response to UHDRS Question 80 (multidimensional manifest diagnosis on motor, cognitive, behavioral, functional) or DSM5 criteria for cognitive disorder (American Psychiatric Association, 2013; MDS Task Force criteria).\n- HTT gene expansion testing with the presence of ≥40 CAG repeats.\n- Striatal MRI volume requirements per hemisphere: a. Putamen ≥2.5 cm3 (per side) b. Caudate ≥2.0 cm3 (per side)\n- All HD concomitant medications (addressing motor, behavioral, and cognitive symptoms) must be stable for 3 months prior to Screening with no change in clinical symptoms requiring change in medication prior to anticipated administration procedure.\n- Able and willing to comply with all procedures and the study visit schedule as outlined in the protocol.\n- All female participants of childbearing potential (FOCPs) must have a negative serum pregnancy test at Screening (and Visit 1A, as appropriate), a negative pregnancy urine dipstick at Baseline, and not be breastfeeding. All FOCPs and sexually mature males must be compliant with a highly effective birth control method."}
Exclusion criteria
- {"criterion_text":"- Evidence of suicide risk, defined as: a. Suicide attempt within 1 year prior to Screening (Visit 1/1A). b. Suicidal ideation as defined by a positive response to question 5 on the C-SSRS Suicidal Ideation Section within 60 days prior to Screening (Visit 1/1A). c. Significant risk of suicide as judged by the Investigator.\n- Hospitalization for any major medical or surgical procedure involving general anesthesia within 12 weeks of Screening or planned during the study.\n- Current or recurrent disease (including pre-existing cardiovascular or pulmonary conditions), infection, or other significant concurrent medical condition or medications that could confound clinical and laboratory evaluations or could affect a participant’s safety or their ability to undergo the neurosurgical procedure (10+ hour surgical procedure) or comply with the procedures and study visit schedule.\n- Known or suspected intolerance or hypersensitivity to the investigational product(s), closely related compounds, or any of the stated ingredients.\n- Any known allergy to gadoteridol (ProHance®).\n- Screening laboratory values (as measured by the central laboratory): a. Alanine aminotransferase >2 × upper limit of normal (ULN) b. Aspartate aminotransferase >2 × ULN c. Total bilirubin >2 × ULN d. Alkaline phosphatase >2 × ULN e. Creatinine >1.5 × ULN f. Platelet count <100,000/mm3 g. Prothrombin time >1.2 × ULN h. Partial thromboplastin time >1.2 × ULN\n- Additional Exclusion Criteria for Participants in Cohort 3: Known immunocompromised status including participants who have undergone organ transplantation or who test positive at Screening for the human immunodeficiency virus (HIV); or who are at risk of pathogen reactivation if immunosuppressed, including participants who test positive at screening for hepatitis C virus antibody (anti-HCV), hepatitis C virus ribonucleic acid (HCV RNA), hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (anti-HBc); or who have history of active tuberculosis or a positive tuberculosis blood test during screening. For participants with an indeterminate tuberculosis blood test result or positive tuberculosis test result, repeat testing is recommended.\n- Additional Exclusion Criteria for Participants in Cohort 3: Known allergy, sensitivity, or other contraindication to medications in the immunosuppression regimen in this protocol.\n- Additional Exclusion Criteria for Participants in Cohort 3: Any participant with an active infection (e.g., coronavirus disease 2019 [COVID-19]) at Screening or at the time of treatment that requires medical intervention. Participants may rescreen, or if screened eligible and an open surgical slot is available, may receive treatment after recovery.\n- Receipt of an experimental agent within 60 days or 5 half-lives prior to Screening or any time over the duration of this study.\n- Participation in an investigational study or investigational paradigm (e.g., exercise/physical activity, cognitive therapy, brain stimulation) within 60 days prior to Screening or any time over the duration of this study.\n- Presence of an implanted deep brain stimulation device, ventriculoperitoneal or other CSF shunt, or other implanted catheter.\n- Any history of gene therapy, RNA, or DNA targeted HD-specific investigational agents, such as antisense oligonucleotides (ASOs), cell transplantation, or any other experimental brain surgery.\n- Any contraindication to 3.0 Tesla MRI scans or lumbar punctures as per local guidelines.\n- Brain and spinal pathology that may interfere with the surgical delivery of AMT-130 or represents a significant neurologic comorbid disorder.\n- Any contraindication to lumbar puncture as per local guidelines.\n- Malignancy within 5 years of Screening, except for basal or squamous cell carcinoma of the skin or carcinoma in situ of the cervix that has been successfully treated."}
Endpoints
Primary endpoints
- {"endpoint_text":"- Type and incidence of AEs","definition_or_measurement_approach":"Type and incidence will be recorded as adverse events (AEs) observed during the study (as stated: \"Type and incidence of AEs\")."}
- {"endpoint_text":"- Change from baseline in vital signs, electrocardiogram (ECG) parameters, physical examinations, and neurological examinations","definition_or_measurement_approach":"Measured as change from baseline in vital signs, ECG parameters, physical and neurological examination findings."}
- {"endpoint_text":"- Change from baseline in clinical chemistry and hematology safety laboratory tests","definition_or_measurement_approach":"Measured as change from baseline in specified clinical chemistry and hematology safety laboratory tests."}
- {"endpoint_text":"- Change from baseline in routine urinalysis and CSF analysis","definition_or_measurement_approach":"Measured as change from baseline in routine urinalysis and cerebrospinal fluid (CSF) analyses."}
- {"endpoint_text":"- Change over time in AAV5 vector shedding","definition_or_measurement_approach":"Measured as change over time in shedding of AAV5 vector (time-course assessment)."}
- {"endpoint_text":"- Change over time in antibodies against AAV5, cytokines, ELISpot, astroglial activation (glial fibrillary acidic protein [GFAP]), and microglial activation (YKL-40)","definition_or_measurement_approach":"Measured as change over time in immune biomarkers: anti-AAV5 antibodies, cytokines, ELISpot results, GFAP and YKL-40 levels."}
- {"endpoint_text":"- Prospective assessment of suicidality via the Columbia-Suicide Severity Rating Scale (C-SSRS)","definition_or_measurement_approach":"Prospective assessment using the Columbia-Suicide Severity Rating Scale (C-SSRS)."}
- {"endpoint_text":"- Change from baseline to Day 14 and Month 1 in the MoCA","definition_or_measurement_approach":"Measured as change from baseline to Day 14 and Month 1 in the Montreal Cognitive Assessment (MoCA) score."}
- {"endpoint_text":"- Change from baseline in edema, inflammation, volume loss and structural changes as measured by the following MRI pulse sequences: T1, T2, and diffusion magnetic resonance imaging (dMRI)","definition_or_measurement_approach":"Measured as change from baseline in MRI-derived metrics (T1, T2, and diffusion MRI) for edema, inflammation, volume loss and structural changes."}
Secondary endpoints
- {"endpoint_text":"- Change over time in levels of AMT-130–derived vector DNA and miRNA expression in the CSF in Cohorts 1 and 2 through approval of CT-AMT-130-02 Protocol Amendment 6.0 Version 7.0","definition_or_measurement_approach":"Measured as change over time in levels of AMT-130–derived vector DNA and miRNA expression in CSF (Cohorts 1 and 2, per amendment/version stated)."}
- {"endpoint_text":"- Change over time in levels of only AMT-130-derived vector DNA in Cohorts 1 and 2 post-approval, and throughout the trial in Cohort 3.","definition_or_measurement_approach":"Measured as change over time in AMT-130–derived vector DNA levels in CSF across specified cohorts and time periods."}
Recruitment
- Planned Sample Size
- 17
- Recruitment Window Months
- 120
- Consent Approach
- Written informed consent required: "Able and willing to provide written informed consent prior to the study and any study-related procedure." Participants are adults (25–65 years). Subject information and informed consent form documents are listed in trial documents (multiple ICF versions and a protocol synopsis with translations available). No assent process described.
Geography
- Total Number Of Sites
- 2
- Total Number Of Participants
- 15
Poland
- Earliest CTIS Part Ii Submission Date
- 09-07-2024
- Latest Decision Or Authorization Date
- 29-07-2024
- Processing Time Days
- 20
- Number Of Sites
- 2
- Number Of Participants
- 10
Sites
- Site Name
- Mazowiecki Szpital Brodnowski Sp. z o.o.
- Department Name
- Interwencyjne Centrum Neuroterapii
- Contact Person Name
- Miroslav Zabek
- Contact Person Email
- zabek.cmc@gmail.com
- Site Name
- Wojskowy Instytut Medycyny Lotniczej
- Department Name
- Klinika Neurologii
- Contact Person Name
- Grzegorz Witkowski
- Contact Person Email
- gwitkowski@wiml.waw.pl
Sponsor
Primary sponsor
- Full Name
- uniQure biopharma B.V.
- Organisation Type
- Pharmaceutical company
- Country Of Registered Address
- Netherlands
Contract research organisations
- Name
- PPD Global Central Labs
- Responsibilities
- sponsorDuties codes: 4
- Name
- Medpace Inc.
- Responsibilities
- sponsorDuties code: 5
- Name
- Everest Clinical Research Corporation
- Responsibilities
- sponsorDuties code: 11
- Name
- Propharma Group The Netherlands B.V.
- Responsibilities
- sponsorDuties codes: 12
- Name
- Precision For Medicine Inc.
- Responsibilities
- sponsorDuties codes: 4
- Name
- Almac Clinical Services Limited
- Responsibilities
- sponsorDuties code: 14
Third parties
- {"country":"Belgium","full_name":"PPD Global Central Labs","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
- {"country":"Italy","full_name":"Aptuit (Verona) S.r.l.","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
- {"country":"Netherlands","full_name":"Propharma Group The Netherlands B.V.","duties_or_roles":"sponsorDuties codes: 12","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Gray Consulting Inc.","duties_or_roles":"sponsorDuties code: 15 (patient travel)","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Precision For Medicine Inc.","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
- {"country":"Netherlands","full_name":"ClearPoint Neuro, Inc","duties_or_roles":"sponsorDuties code: 15 (Clinical supplies)","organisation_type":"Industry"}
- {"country":"Canada","full_name":"Everest Clinical Research Corporation","duties_or_roles":"sponsorDuties code: 11","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Precision For Medicine Inc.","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
- {"country":"United Kingdom","full_name":"B.Braun Medical LLC","duties_or_roles":"sponsorDuties code: 15 (Clinical supplies)","organisation_type":"Industry"}
- {"country":"United States","full_name":"Medpace Inc.","duties_or_roles":"sponsorDuties code: 5","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Inseption Group LLC","duties_or_roles":"sponsorDuties code: 6","organisation_type":"Pharmaceutical company"}
- {"country":"United Kingdom (Northern Ireland)","full_name":"Almac Clinical Services Limited","duties_or_roles":"sponsorDuties code: 14","organisation_type":"Pharmaceutical company"}
- {"country":"Denmark","full_name":"Unilabs A/S","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Laboratory/Research/Testing facility"}
- {"country":"United Kingdom","full_name":"Ixico Technologies Limited","duties_or_roles":"sponsorDuties codes: 13; 15 (MRI imaging)","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Arup Laboratories Inc.","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Laboratory/Research/Testing facility"}
Investigational products
- Investigational Product Name
- ifezuntirgene inilparvovec (AMT-130; AAV5-miHTT)
- Active Substance
- IFEZUNTIRGENE INILPARVOVEC
- Modality
- Gene therapy
- Routes Of Administration
- INTRACEREBRAL USE
- Route
- Intracerebral
- Authorisation Status
- Authorised
- Orphan Designation
- Yes
- Starting Dose
- 6 × 10e12 gc/participant
- Dose Levels
- 6 × 10e12 gc/participant | 6 × 10e13 gc/participant
- Frequency
- Single administration (one-time intra-striatal administration)
- Maximum Dose
- 6 × 10e13 gc/participant
- Dose Escalation Increase
- Initial: 6 × 10e12 gc/participant; Following: 6 × 10e13 gc/participant
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