E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Autism Spectrum Disorder (ASD) |
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E.1.1.1 | Medical condition in easily understood language |
Autism Spectrum Disorder (ASD) |
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E.1.1.2 | Therapeutic area | Psychiatry and Psychology [F] - Mental Disorders [F03] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10063844 |
E.1.2 | Term | Autism spectrum disorder |
E.1.2 | System Organ Class | 10037175 - Psychiatric disorders |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To demonstrate the superiority of bumetanide (0.5mg BID) oral liquid formulation compared to placebo in the improvement of ASD core symptoms after 6 months of treatment in ASD children aged from 2 to less than 7 years old |
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E.2.2 | Secondary objectives of the trial |
- To assess the effect of bumetanide on the other efficacy endpoints - To assess the safety of bumetanide - To confirm the acceptability and palatability of the oral liquid formulation - To describe the bumetanide effects on patients quality of life - To improve existing pharmacokinetic model of bumetanide in this population
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Male and female patients from 2 to less than 7 years - Out patients - Primary diagnosis of ASD as per DSM-5 criteria - Criteria met for ASD on Autism Diagnostic Observation Schedule (ADOS-2) and Autism Diagnosis Interview Revised (ADI-R) - CGI (Clinical Global Impression) – Severity rating Score ≥ 4 - Childhood Autism Rating Scale second edition (CARS2-ST or HF) total raw score ≥ 34 - Social Responsiveness Scale second edition total score (SRS-2 T-Score) ≥ 66 - Absence of known monogenic syndrome (Fragile X, Rett syndrome ...) - Absence of any clinically significant abnormality likely to interfere with the conduct of the study according to the judgment of the investigator - Absence of electrolyte imbalance that is likely to interfere with the study conduct or evaluation |
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E.4 | Principal exclusion criteria |
- Patients not able to follow the study assessments defined by the protocol, with the exception of self-rating questionnaires which will be assessed by parent/legal representative/caregiver for those patients unable to complete them - Patients having a high suicidal risk according to the investigator judgement - Chronic renal dysfunction - Chronic cardiac dysfunction - Patient with unstable psychotherapy, behavioural, cognitive or cognitive-behavioural therapy
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E.5 End points |
E.5.1 | Primary end point(s) |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Change from baseline to 6 month |
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E.5.2 | Secondary end point(s) |
- Each individual CARS2 domain, SRS-2 total raw score, CGI-I score, VABS II subscores - Adverse events, Paediatric Adverse Event Rating Scale (PAERS), clinical laboratory evaluation, vital signs and clinical examination, electrocardiogram, renal ultrasound, Columbia Suicide Severity Rating Scale Children's version (C-SSRS-C) - Acceptability and palatability questionnaire - Paediatric Quality of Life Inventory (PedsQL), WHOQOL-Bref questionnaire - PK parameters of bumetanide |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
SRS-2 total raw score: W000/W004/W012/W026/W038/W052 CGI-I score: W000+Day17/W004/W008/W012/W016/W020/W026/W038/W052/WEND VABS II subscores: W000/W026/W052 Each individual CARS2 domain: W000/W004/W012/W026/W038/W052/WEND Adverse events/PAERS/Clinical laboratory evaluation/Electrolytes monitoring (sodium, potassium)/Clinical examination: all along the study Vital signs: ASSE/W000/W00+D17/W012/W026/W026+Day17/W038/W052 Electrocardiogram: ASSE/W004/W008/W012, W026/W030/W034/W038/W052 Renal ultrasound: ASSE/W026/W052 C-SSRS-C: W000/W012/W026/W038/W052 Acceptability and palatability questionnaire: W026 PedsQL / WHOQOL-Bref questionnaire: W000/W004/W012/W026/W030/W038/W052 + W008/W034 for WHOQOL-Bref questionnaire PK parameters of bumetanide: W012/W026 |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | Yes |
E.8.1.7.1 | Other trial design description |
Double-blind treatment period of 6 months followed by an open-label treatment period of 6 months |
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E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 2 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 50 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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Last Visit Last Participant as stated in the protocol |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 6 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 6 |
E.8.9.2 | In all countries concerned by the trial days | 0 |