Clinical trial • Phase III • Neurology

(2R,3R,11BR)-1,3,4,6,7,11B-HEXAHYDRO-9,10-DIMETHOXY-3-(2-METHYLPROPYL)-2H-BENZO[A]QUINOLIZIN-2-OL for Tardive dyskinesia

Phase III trial of (2R,3R,11BR)-1,3,4,6,7,11B-HEXAHYDRO-9,10-DIMETHOXY-3-(2-METHYLPROPYL)-2H-BENZO[A]QUINOLIZIN-2-OL for Tardive dyskinesia.

Overview

Trial Therapeutic Area
Neurology
Trial Disease
Tardive dyskinesia
Trial Stage
Phase III
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
24-11-2023
First CTIS Authorization Date
03-04-2024

Trial design

open-label, none/not specified-controlled Phase III trial across 4 sites in Czechia, Poland.

Open Label
Yes
Comparator
None/Not specified
Target Sample Size
70
Trial Duration For Participant
378

Eligibility

Recruits 70 Vulnerable population not selected (isVulnerablePopulationSelected: false). Subjects must be able to read, comprehend and provide the written informed consent. Information for Caregivers and ICF documents are available..

Pregnancy Exclusion
Subject who is pregnant or breastfeeding at Baseline.
Vulnerable Population
Vulnerable population not selected (isVulnerablePopulationSelected: false). Subjects must be able to read, comprehend and provide the written informed consent. Information for Caregivers and ICF documents are available.

Inclusion criteria

  • {"criterion_text":"- Male and female subjects aged 18-75 years, inclusive at the time of enrollment to parent study"}
  • {"criterion_text":"- Subject able to complete subject-facing rating scales."}
  • {"criterion_text":"- Subject having a caregiver who is in regular personal contact with the subject (no less than 5 days a week) if locally required"}
  • {"criterion_text":"- Female subject of childbearing potential who agrees to use highly effective form of contraception (as defined by the Protocol) throughout the study."}
  • {"criterion_text":"- Subject who has completed treatment within an open-label parent study or part thereof, or treatment within a double-blind, placebo controlled parent study or part thereof followed by at least 1-week washout."}
  • {"criterion_text":"- Subject with a clinical diagnosis of TD."}
  • {"criterion_text":"- For subjects with underlying psychiatric disorders: o\tSubject in a stable psychiatric status with no change in psychoactive medications (e.g. neuroleptics, benzodiazepines, anticonvulsants, mood stabilizers, etc.) within the last 30 days before Baseline"}
  • {"criterion_text":"- Subject with not anticipated changes to the subject’s treatment regimen."}
  • {"criterion_text":"- Subject compliant with prescribed treatment regimen as judged by the Investigator."}
  • {"criterion_text":"- Subject with a body weight of not less than 45 kg and 55 kg for females and males respectively."}
  • {"criterion_text":"- Subject living in a stable environment as judged by the Investigator, with adequate supervision when necessary to comply with all study procedures, attend all study visits, and safely participate in the trial."}
  • {"criterion_text":"- Subject able to read, comprehend and provide the written informed consent."}

Exclusion criteria

  • {"criterion_text":"- Subject who has an allergy, hypersensitivity, or intolerance to any component of ADE513, or to a VMAT2 inhibitor e.g. tetrabenazine, deutetrabenazine, valbenazine."}
  • {"criterion_text":"- Subject who received any of the following medications within 30 days of Baseline: •\tReserpine, α-methyl-p-tyrosine (AMPT) •\tBotulinum toxin within 3 months of Baseline •\tTrihexyphenidyl, orphenadrine, procyclidine, biperiden, or other strong anticholinergics •\tMetoclopramide, promethazine, and prochlorperazine •\tMethylphenidate, amphetamine/dextroamphetamine, or other stimulants •\tMonoamine oxidase inhibitors (MAOIs) •\tLevodopa or dopamine agonists •\tBotulinum toxin (within 3 months of Baseline)"}
  • {"criterion_text":"- Subject with a neurological condition other than TD that may interfere with the assessment of dyskinesia severity."}
  • {"criterion_text":"- Subject with presence of parkinsonism, pheochromocytoma and prolactin dependent tumours, e.g. pituitary or breast cancer."}
  • {"criterion_text":"- Subject with an active clinically significant unstable psychiatry disorder that is untreated or undertreated at Baseline."}
  • {"criterion_text":"- Subject with active suicidal ideation at Baseline."}
  • {"criterion_text":"- Subject who has a history of any of the following within the last 6 months before Baseline: •\tHistory of previous intent to act on suicidal ideation with a specific plan (positive answer to question 5 on C-SSRS), regardless of level of ambivalence at the time of suicide. •\tPrevious preparatory acts to commit suicide or suicidal behavior. •\tPrevious actual, interrupted, or aborted suicide attempt."}
  • {"criterion_text":"- Subject with an abnormal (≥11) score on the depression subscale of the Hospital Anxiety and Depression Scale (HADS) at Baseline."}
  • {"criterion_text":"- Subject who is developmentally disabled or has evidence of dementia confirmed by Mini-Mental State Exam (MMSE) value ≤24."}
  • {"criterion_text":"- Subject with any of the following abnormal values in laboratory test results at Baseline: •\tAspartate transaminase (AST) or alanine aminotransferase (ALT) > 2.5 times the upper limit of normal (ULN) •\tAlkaline phosphatase (ALP) or total bilirubin >2 times the ULN •\tSerum creatinine >1.5 times the ULN. •\tAny other results outside of laboratory reference ranges judged as clinically significant by the Investigator."}
  • {"criterion_text":"- Subject who has participated in an investigational trial other than the parent study within 30 days of Baseline."}
  • {"criterion_text":"- Subject who acknowledges present use of illicit drugs at Baseline."}
  • {"criterion_text":"- Subject who has a history of alcohol or substance abuse within 12 months before Screening, or subject expected to be unable to refrain from substance abuse during the study."}
  • {"criterion_text":"- Subject who is pregnant or breastfeeding at Baseline."}
  • {"criterion_text":"- Subject with a history of violent behavior in the past 3 months before Baseline."}
  • {"criterion_text":"- Subject with a clinically significant cardiac abnormality or QTcF >450 ms (males) or >470 ms (females), on 12-lead ECG at Baseline."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Change in Abnormal Involuntary Movement Scale (AIMS) score (items 1 through 7) from Baseline of this study to the end of long-term therapy (Week 54), as assessed by the blinded central video rating.","definition_or_measurement_approach":"Change in AIMS score (items 1-7) from Baseline to Week 54; assessed by the blinded central video rating."}

Secondary endpoints

  • {"endpoint_text":"- Incidence of AEs, SAEs, drug-related AEs, severe AEs, AEs leading to discontinuation during the following periods: \t1.\tOverall 2.\tTitration period 3.\tLong-term treatment","definition_or_measurement_approach":"Incidence counts of AEs/SAEs/drug-related AEs/severe AEs/AEs leading to discontinuation during overall, titration, and long-term treatment periods."}
  • {"endpoint_text":"- Observed values and changes in clinical laboratory parameters (haematology, chemistry including prolactin, and urinalysis)","definition_or_measurement_approach":"Observed values and change from baseline in haematology, clinical chemistry (including prolactin), and urinalysis parameters."}
  • {"endpoint_text":"- Observed values and changes in vital signs","definition_or_measurement_approach":"Observed values and change from baseline in vital signs."}
  • {"endpoint_text":"- Observed values and changes in ECG parameters and abnormal findings","definition_or_measurement_approach":"Observed values and change from baseline in ECG parameters; record of abnormal ECG findings."}
  • {"endpoint_text":"- Observed values and changes in HADS and, C-SSRS.","definition_or_measurement_approach":"Observed values and change from baseline in Hospital Anxiety and Depression Scale (HADS) and Columbia-Suicide Severity Rating Scale (C-SSRS)."}
  • {"endpoint_text":"- The proportion of subjects who have a treatment success at the end of long-term therapy (Week 54) based on a Clinical Global Impression of Change (CGIC). A treatment success is defined as Much or Very Much Improved on the CGIC at the end of long-term therapy (Week 54).","definition_or_measurement_approach":"Proportion achieving 'Much' or 'Very Much Improved' on CGIC at Week 54 (treatment success defined as such)."}
  • {"endpoint_text":"- The proportion of subjects who have ≥3-point reduction in AIMS score from Baseline of this study to the end of long-term therapy (Week 54).","definition_or_measurement_approach":"Proportion of subjects with ≥3-point reduction in AIMS score from Baseline to Week 54."}
  • {"endpoint_text":"- The percent change in AIMS score from Baseline of this study to the end of long-term therapy (Week 54).","definition_or_measurement_approach":"Percent change in AIMS score from Baseline to Week 54."}
  • {"endpoint_text":"- The proportion of subjects who have a treatment success at the end of long-term therapy (Week 54) based on a Patient Global Impression of Change (PGIC). A treatment success is defined as Much or Very Much Improved on the PGIC at the end of long-term therapy (Week 54).","definition_or_measurement_approach":"Proportion achieving 'Much' or 'Very Much Improved' on PGIC at Week 54 (treatment success defined as such)."}

Recruitment

Planned Sample Size
70
Recruitment Window Months
35
Consent Approach
Subjects must be able to read, comprehend and provide the written informed consent. Patient Information and ICF and Consent to the Processing of Personal Data documents are available (Czech versions noted). Information for Caregivers and caregiver ICF documents are available.

Geography

Total Number Of Sites
4
Total Number Of Participants
70

Czechia

Earliest CTIS Part Ii Submission Date
08-12-2023
Latest Decision Or Authorization Date
17-04-2026
Processing Time Days
861
Number Of Sites
3
Number Of Participants
40

Sites

Site Name
MPMeditrine s.r.o.
Department Name
MPMeditrine s.r.o.
Contact Person Name
Marek Pérez
Contact Person Email
marek.perez@centrum.cz
Site Name
Clintrial s.r.o.
Department Name
Clintrial s.r.o.
Contact Person Name
Zdeněk Šolle
Contact Person Email
zdenek.solle@clintrial.cz
Site Name
A-Shine s.r.o.
Department Name
A-Shine s.r.o.
Contact Person Name
Luboš Janů
Contact Person Email
lubos.janu@seznam.cz

Poland

Earliest CTIS Part Ii Submission Date
28-03-2025
Latest Decision Or Authorization Date
27-04-2025
Processing Time Days
30
Number Of Sites
1
Number Of Participants
30

Sites

Site Name
Specjalistyczna Praktyka Lekarska Dr Stanislaw Ochudlo
Department Name
Specjalistyczna Praktyka Lekarska
Contact Person Name
Stanisław Ochudło
Contact Person Email
stanislaw.ochudlo@op.pl

Sponsor

Primary sponsor

Full Name
Adeptio Pharmaceuticals Limited
Organisation Type
Pharmaceutical company
Country Of Registered Address
United Kingdom

Contract research organisations

Name
Anova CRO s.r.o.
Responsibilities
codes: 10,6,7
Name
Tepsivo Oy
Responsibilities
codes: 8
Name
P H A R M N E T s.r.o.
Responsibilities
codes: 1,11,12,2,5,9

Third parties

  • {"country":"Czechia","full_name":"Anova CRO s.r.o.","duties_or_roles":"codes: 10,6,7","organisation_type":"Pharmaceutical company"}
  • {"country":"Finland","full_name":"Tepsivo Oy","duties_or_roles":"codes: 8","organisation_type":"Pharmaceutical company"}
  • {"country":"Czechia","full_name":"P H A R M N E T s.r.o.","duties_or_roles":"codes: 1,11,12,2,5,9","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
(+)-α-DIHYDROTETRABENAZINE
Active Substance
(2R,3R,11BR)-1,3,4,6,7,11B-HEXAHYDRO-9,10-DIMETHOXY-3-(2-METHYLPROPYL)-2H-BENZO[A]QUINOLIZIN-2-OL
Modality
Small molecule
Routes Of Administration
ORAL USE
Route
ORAL USE
Maximum Dose
25 mg

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