Ended Therapeutic exploratory (Phase II) Autism spectrum disorders

An Exploratory, Multicenter, Randomized, double-blind, placebo-controlled study evaluating the effect and safety of pitolisant in children and adolescents with Autism Spectrum Disorders.

EU CTIS ID: 2023-503678-18-00

What this study is testing

The primary objective of this study is to evaluate at the end of treatment period the effect of pitolisant treatment on the ASD social communication and interaction deficit core symptom as assessed by the SRS-2 Total score

  • Therapeutic exploratory (Phase II)

A plain-language read of the study's public EU CTIS listing. The study team confirms the details.

Who can take part

You may be able to join if

  • Participants (if possessing adequate understanding, in the investigator's opinion) and their parent(s)/legal guardian(s) are willing and able to give informed assent and consent for participation in the study.
  • Participants have a diagnosis of autism spectrum disorders as per the DSM-5 criteria confirmed by ADOS-2 or ADI-R historical diagnosis within the last 3 years prior to screening or by ADI-R at screening.
  • Participants should benefit from appropriate health insurance system (for French participant only).
  • Participant has a care provider who can reliably bring participant to clinic visits, provide trustworthy ratings, support participant with study compliance requirements, and interacts with the participant on a regular basis (e.g., spends at minimum 3 hours/ day and 4 x /week).
  • The participant agrees to follow the contraceptive requirements detailed in the protocol.
  • Male and female children and adolescents aged from 6 to 17 inclusive for the duration of study participation.

You likely can't join if

  • Known hypersensitivity to the investigational medicinal product including active substance and excipients.
  • Participants with clinically relevant abnormal laboratory values suggesting an unknown disease and requiring further clinical investigation per investigator judgement.
  • Known or suspected history of alcohol or illicit drug (e.g., cannabis, amphetamines or opioids when not prescribed and used under medical supervision) or any history of cocaine abuse/dependence prior to screening according to investigator judgement.
  • Any positive test of abuse drugs at screening.
  • Prior (within the last 4 weeks prior to screening) or current therapy with strong CYP2D6 inhibitor drugs, strong CYP3A4 inducer drugs, CYP3A4 substrates having a narrow therapeutic margin, QT-prolonging medicinal products or medicinal products known to increase the risk of repolarization, antipsychotics medications, first-generation antihistamines (H1-antagonists) crossing the blood-brain barrier and tricyclic antidepressants as detailed in the “previous and concomitant medications/therapy” section.
  • Participants taking part in another interventional study and/or the use of any investigational therapy within the 30 days prior to screening.
See the full eligibility criteria
Who can join
  • Participants (if possessing adequate understanding, in the investigator's opinion) and their parent(s)/legal guardian(s) are willing and able to give informed assent and consent for participation in the study.
  • Participants have a diagnosis of autism spectrum disorders as per the DSM-5 criteria confirmed by ADOS-2 or ADI-R historical diagnosis within the last 3 years prior to screening or by ADI-R at screening.
  • Participants should benefit from appropriate health insurance system (for French participant only).
  • Participant has a care provider who can reliably bring participant to clinic visits, provide trustworthy ratings, support participant with study compliance requirements, and interacts with the participant on a regular basis (e.g., spends at minimum 3 hours/ day and 4 x /week).
  • The participant agrees to follow the contraceptive requirements detailed in the protocol.
  • Male and female children and adolescents aged from 6 to 17 inclusive for the duration of study participation.
  • Participants have an Intelligence Quotient (IQ) ≥ 70 using Wechsler Intelligence Scale (WAIS-IV, WISC-IV or WISC-V) confirmed by historical data within the last 3 years or at screening (WAIS-IV or WISC-V). If total IQ score is unconclusive due to heterogenicity of sub-scores, participant should have at minimum both sub-scores for verbal comprehension and perceptual reasoning ≥ 70.
  • Social Responsiveness Scale Second Edition (SRS-2) total T-score ≥ 66 at screening and baseline.
  • All ongoing medications or interventions (except those listed as prohibited in “previous and concomitant medications/therapy” section) for ASD related symptoms must have been stable for at least 4 weeks prior to screening, and the participant/caregiver must be willing to maintain a stable regimen throughout the study.
  • Participants’ language, hearing and vision must be compatible with the study assessments as judged by the investigator.
  • Participants must have the ability to swallow the investigational medicinal product (IMP).
What rules you out
  • Known hypersensitivity to the investigational medicinal product including active substance and excipients.
  • Participants with clinically relevant abnormal laboratory values suggesting an unknown disease and requiring further clinical investigation per investigator judgement.
  • Known or suspected history of alcohol or illicit drug (e.g., cannabis, amphetamines or opioids when not prescribed and used under medical supervision) or any history of cocaine abuse/dependence prior to screening according to investigator judgement.
  • Any positive test of abuse drugs at screening.
  • Prior (within the last 4 weeks prior to screening) or current therapy with strong CYP2D6 inhibitor drugs, strong CYP3A4 inducer drugs, CYP3A4 substrates having a narrow therapeutic margin, QT-prolonging medicinal products or medicinal products known to increase the risk of repolarization, antipsychotics medications, first-generation antihistamines (H1-antagonists) crossing the blood-brain barrier and tricyclic antidepressants as detailed in the “previous and concomitant medications/therapy” section.
  • Participants taking part in another interventional study and/or the use of any investigational therapy within the 30 days prior to screening.
  • Participant with a family relationship to a person involved in the study at the investigator’s site, at the Clinical Research Organisation (CRO) or at the Sponsor.
  • Participants with impaired renal function (stages 2 to 4 according to the international classification of chronic kidney disease, i.e. creatinine clearance between 15 and 89 ml/min according to the CKD-EPI formula).).
  • Participants with moderate hepatic impairment (Child Pugh B) or with any other hepatic significant abnormality in the physical examination or ALAT or ASAT ≥ 2x Upper Limit of Normal (ULN) for age at laboratory results.
  • History or current diagnosis of epilepsy or any seizure occurring after the age of 5.
  • Pregnant or lactating woman
  • History or current diagnosis of major depressive episode or severe psychiatric disorders, e.g., schizophrenia, bipolar disorder, organic brain syndrome or psychosis, preventing the participant from completing the study assessments per investigator judgement.
  • Other active clinically significant illness, infection, active acid-related gastric disorders, neoplastic pathology within the last 3 years, or any abnormalities identified following a physical examination of the participant that, in the opinion of the investigator could interfere with the study conduct or counter-indicate the study treatments or place the participant at risk during the study or compromise his study participation.
  • Participants having a diagnosis other than ASD that dominates the clinical presentation (e.g., Attention-Deficit/Hyperactivity Disorder (ADHD), anxiety disorder, depressive disorder) per investigator judgement.
  • Participant with a severe obesity or severe anorexia at screening as calculated by a Body Mass Index (BMI) at or above the 97th percentile and at or below the 3rd percentile, respectively for the same age.
  • Participant with a history of suicidal behavior or suicidal ideation in the past 12 months, or a positive answer to questions 4 or 5 on the Columbia-Suicide-Severity Rating Scale (C-SSRS) at screening and/or baseline, and/or is a significant risk for suicidal behavior per investigator judgement.
  • Participants with cardiac disorders including clinically significant deviation from normal on 12-lead ECG that results as per investigator judgement in an active medical problem, or with a QTcF > 450ms at screening, where they are co-medicated or not with QT-prolonging medicinal products or medicinal products known to increase the risk of repolarization disorders.
  • Any participant presenting congenital galactosemia, glucose-galactose malabsorption or lactase deficiency due to the presence of lactose in the investigational medical product (IMP).

The study team makes the final eligibility decision.

Where it's taking place

  • United Kingdom

Questions & answers

Do participants get paid in this trial?

This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.

Is it free to join, and do I need insurance?

Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.

How long does this study last?

The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.

Who can join this trial?

This study is enrolling all sexes, 0-17 years. The study team makes the final eligibility decision.

Where is this trial taking place?

Study sites include United Kingdom. Enter your location above to see the nearest site and check your eligibility.

Explore other conditions

BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.