Clinical trial • Phase IV • Psychiatry

DEXAMFETAMINE SULFATE for Attention deficit hyperactivity disorder | Major depressive disorder

Phase IV trial of DEXAMFETAMINE SULFATE for Attention deficit hyperactivity disorder | Major depressive disorder.

Overview

Trial Therapeutic Area
Psychiatry
Trial Disease
Attention deficit hyperactivity disorder | Major depressive disorder
Trial Stage
Phase IV
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
22-11-2024
First CTIS Authorization Date
03-02-2025

Trial design

Randomised, placebo arms: placebo of dexamfetamine sulfate (matching modified-release capsule placebos for dex xl/dex ir, listed as placebo of dexamfetamine sulfate 10 mg/15 mg/20 mg modified-release capsule) and placebo of attentin tablets (placebo of attentin 5 mg/10 mg tablets). active arms: dexamfetamine sulfate formulations (dex ir and dex xl) at dose groups 10 mg, 15 mg, 20 mg, 30 mg. exact dosing schedule/titration described in protocol (titration to optimal stable dose; specific schedule not fully specified in ctis extract).-controlled Phase IV trial in Germany.

Randomised
Yes
Comparator
Placebo arms: Placebo of Dexamfetamine sulfate (matching modified-release capsule placebos for DEX XL/DEX IR, listed as Placebo of Dexamfetamine sulfate 10 mg/15 mg/20 mg modified-release capsule) and Placebo of Attentin tablets (Placebo of Attentin 5 mg/10 mg tablets). Active arms: Dexamfetamine sulfate formulations (DEX IR and DEX XL) at dose groups 10 mg, 15 mg, 20 mg, 30 mg. Exact dosing schedule/titration described in protocol (titration to optimal stable dose; specific schedule not fully specified in CTIS extract).
Single Multiple Or Escalation Dose Combined
Yes
Target Sample Size
105

Eligibility

Recruits 105 Vulnerable population flag selected. The protocol excludes persons with legal incapacity or those unable to understand the nature, scope and possible impact of the trial (exclusion criterion: "Legal incapacity and/ or other circumstances rendering the patient unable to understand the nature, scope and possible impact of the clinical trial"). Written informed consent and data protection declaration are required prior to any protocol procedures; ICF documents for adults (including pregnancy-specific ICF) are provided. No provisions for assent/minor consent are indicated (trial enrols patients ≥18 years)..

Pregnancy Exclusion
Pregnancy and lactation
Vulnerable Population
Vulnerable population flag selected. The protocol excludes persons with legal incapacity or those unable to understand the nature, scope and possible impact of the trial (exclusion criterion: "Legal incapacity and/ or other circumstances rendering the patient unable to understand the nature, scope and possible impact of the clinical trial"). Written informed consent and data protection declaration are required prior to any protocol procedures; ICF documents for adults (including pregnancy-specific ICF) are provided. No provisions for assent/minor consent are indicated (trial enrols patients ≥18 years).

Inclusion criteria

  • {"criterion_text":"-Diagnosis of attention deficit / hyperactivity disorder (ADHD) (according to DSM-5 or ICD guidelines) which started in childhood (at the age of <12 years)"}
  • {"criterion_text":"-Patient has a minimum ADHS-DC-Q total score of 32 at baseline (V0)"}
  • {"criterion_text":"-Moderate to severe depression according to ICD-10 (depressive episode: Code F32; recurrent depressive disorder: Code F33) and with a MADRS score of >20 at baseline (V0)"}
  • {"criterion_text":"-CGI-S ≥ 4 at baseline (V0)"}
  • {"criterion_text":"-Patients receiving SSRIs or SNRIs (stable doses within the last 2 weeks before inclusion) (≤40 mg (es)citalopram, 50-200 mg sertraline, 75 - 300 mg venlafaxine extended release)"}
  • {"criterion_text":"-Male or female patients ≥ 18 years and ≤ 65 at time of enrolment"}
  • {"criterion_text":"-Patients with QTc interval within normal ranges (≤470 ms in males and ≤480 ms in females)"}
  • {"criterion_text":"-Written informed consent and data protection declaration obtained prior to the initiation of any protocol required procedures"}
  • {"criterion_text":"-Willing and able to comply to study procedures and study protocol"}

Exclusion criteria

  • {"criterion_text":"-Current or a history of severe co-morbid symptoms such as psychotic symptoms, schizophrenia, bipolar disorders or manic episodes"}
  • {"criterion_text":"-Diagnosis or family history of Tourette’s syndrome or dystonia"}
  • {"criterion_text":"-Pre-existing cerebrovascular disorders such as cerebral aneurysm, vascular abnormalities including vasculitis or stroke"}
  • {"criterion_text":"-Immunodeficiency disorders (e.g. organ transplantation, HIV infection)"}
  • {"criterion_text":"-Known hypersensitivity to any of the ingredients of the trial medication, e.g. patients with known rare hereditary problems of fructose intolerance"}
  • {"criterion_text":"-Males or females of reproductive potential not willing to use effective contraception (defined as PEARL index <1 - e.g. contraceptive pill, IUD) during the study period (Screening to Follow-up)"}
  • {"criterion_text":"-Pregnancy and lactation"}
  • {"criterion_text":"-Participation in another interventional clinical trial during the trial and within the previous 30 days prior to trial start"}
  • {"criterion_text":"-Patients who are institutionalised by court order or regulatory action"}
  • {"criterion_text":"-Patients, who are members of the staff of the trial centre, staff of the sponsor or involved Clinical Research Organisation (CRO), the investigator him- / herself or close relatives of the investigator"}
  • {"criterion_text":"-Legal incapacity and/ or other circumstances rendering the patient unable to understand the nature, scope and possible impact of the clinical trial"}
  • {"criterion_text":"-Current or recent history of substance abuse disorder within the last 6 months of clinical trial entry"}
  • {"criterion_text":"-Current use and use within the last 2 weeks before inclusion of not permitted concomitant medication (as defined in protocol) due to possible interactions with stimulants or SSRIs/SNRIs and possible resulting or expected side effects:"}
  • {"criterion_text":"-Patients with body mass index (BMI) < 18.5 kg/m² or >35 kg/m²"}
  • {"criterion_text":"-History of serotonin syndrome events"}
  • {"criterion_text":"-History of seizures or use of anticonvulsant medication"}
  • {"criterion_text":"-Any other uncontrolled psychiatric condition that requires medication or may interfere with trial participation"}
  • {"criterion_text":"-Known symptomatic cardiovascular disease including structural abnormalities, moderate and severe hypertension (systolic blood pressure ≥160 mmHg, diastolic blood pressure ≥100 mmHg), heart failure, myocardial infarction, arterial occlusive disease, angina, haemodynamically significant congenital heart disease, cardiomyopathies, potentially life-threatening arrhythmias and channelopathies (diseases caused by ion channel dysfunction)"}
  • {"criterion_text":"-Significant, in the discretion of the investigator, hepatic, gastrointestinal, renal, haematological or oncologic disorder"}
  • {"criterion_text":"-Diagnosis of glaucoma, hyperthyroidism, pheochromocytoma or porphyria"}

Endpoints

Primary endpoints

  • {"endpoint_text":"-Incidence of adverse events (AE) in the active treatment groups (DEX XL and DEX IR) compared to the placebo until V6","definition_or_measurement_approach":"Incidence of adverse events collected throughout the study visits, compared between DEX XL, DEX IR and placebo within the study period (V1 – V6)"}

Secondary endpoints

  • {"endpoint_text":"-Incidence of adverse events (AE) until V5","definition_or_measurement_approach":"Incidence of AEs recorded up to visit V5"}
  • {"endpoint_text":"-Proportion of patients with at least one AE until V5 and until end of study","definition_or_measurement_approach":"Proportion of patients experiencing ≥1 AE assessed at V5 and at end of study"}
  • {"endpoint_text":"-Number of AE until V5 and until end of study","definition_or_measurement_approach":"Count of AEs recorded up to V5 and to study end"}
  • {"endpoint_text":"-Number of AE/SAE during the study period, number and proportion of patients with AE/SAE by type, severity (mild, moderate, severe) and relatedness to treatment","definition_or_measurement_approach":"Categorisation and counts of AE/SAE by type, severity and relatedness during study period"}
  • {"endpoint_text":"-Score of CGI Efficacy index by investigator at Visit 5","definition_or_measurement_approach":"Investigator-rated CGI Efficacy index measured at Visit 5"}
  • {"endpoint_text":"-MADRS suicidal ideation score (range 0-6) for all available visits (SCR to V5) and change to BL/V0 (only V1 to V5)","definition_or_measurement_approach":"MADRS suicidal ideation item score collected from screening to V5 and change from baseline (V0) for V1–V5"}
  • {"endpoint_text":"-Rate of patients with score 1-3 in CGI-I at V5","definition_or_measurement_approach":"Proportion of patients with CGI-I score 1–3 at Visit 5"}
  • {"endpoint_text":"-Absolute scores categories of CGI-I at all available visits (V1 to V5)","definition_or_measurement_approach":"Categorical CGI-I scores recorded at visits V1–V5"}
  • {"endpoint_text":"-Numbers and percentages of patients with (1) decreased, (2) maintained and (3) increased CGI-S at V5 compared to BL/V0","definition_or_measurement_approach":"Shift analysis of CGI-S at V5 vs baseline (V0): counts and percentages in decreased/maintained/increased categories"}
  • {"endpoint_text":"-Shift table of CGI-S score categories at BL/V0, V1 and V5","definition_or_measurement_approach":"Shift table comparing CGI-S categories at baseline, V1 and V5"}
  • {"endpoint_text":"-Absolute score categories of CGI-S at all available visits (V0 to V5)","definition_or_measurement_approach":"Absolute CGI-S category scores measured at V0–V5"}
  • {"endpoint_text":"-MADRS total score (range 0-60) for all available visits (SCR to V5) and change to BL/V0 (only V1 to V5)","definition_or_measurement_approach":"MADRS total scores collected from screening to V5 and change from baseline (V0) for V1–V5"}
  • {"endpoint_text":"-MADRS total score categorization by Müller et al. (39) at BL/ V0, V1 and V5 (0-6 absence of symptoms; 7-19 mild depression, 20-34 moderate depression, 35-60 indicate a severe depression)","definition_or_measurement_approach":"MADRS categorisation per Müller et al. at baseline, V1 and V5"}
  • {"endpoint_text":"-ADHS-DC-Q total score (range 0-66) for all available visits (SCR to V5) and change to BL/V0 (only V1 to V5)","definition_or_measurement_approach":"ADHS-DC-Q total score measured across visits and change from baseline"}
  • {"endpoint_text":"-QIDS-SR-16 total score (range 0-27) for all available visits (V0 to V5) and change to BL/V0 (only V1 to V5)","definition_or_measurement_approach":"QIDS-SR-16 scores collected at V0–V5 and change from baseline"}
  • {"endpoint_text":"-Mean dose intake from V1 to V5 per treatment group","definition_or_measurement_approach":"Average actual dose taken between V1 and V5 by treatment group"}
  • {"endpoint_text":"-Mean dose intake compared to planned dose after titration phase (for study period V1 to V5) per treatment group","definition_or_measurement_approach":"Comparison of mean actual vs planned dose post-titration for V1–V5"}
  • {"endpoint_text":"-Proportion of patients with less than 80% of planned dose intake (for study period V1 to V5) per treatment group","definition_or_measurement_approach":"Percentage of patients taking <80% of planned dose during V1–V5"}
  • {"endpoint_text":"-Number and proportion of patients by dosage group (DEX IR: 10 mg, 15 mg, 20 mg, 30 mg; DEX XL: 10 mg, 15 mg, 20 mg, 30 mg; Placebo: 10 mg, 15 mg, 20 mg, 30 mg)) at V1 and V2","definition_or_measurement_approach":"Counts and proportions per predefined dosage groups at V1 and V2"}
  • {"endpoint_text":"-Number and proportion of patients per treatment group that needed dose optimization of IMP in the optimal stable dose phase and type of optimization (e.g., downtitration)","definition_or_measurement_approach":"Counts and proportions of patients requiring dose optimization and type during stable dose phase"}
  • {"endpoint_text":"-Number and percentage of patients with early withdrawal from therapy due to adverse events - in total and per treatment group","definition_or_measurement_approach":"Counts and percentages of early withdrawals for AE overall and by treatment group"}

Recruitment

Digital Remote Recruitment
Yes
Planned Sample Size
105
Recruitment Window Months
18
Consent Approach
Written informed consent and data protection declaration must be obtained from each participant prior to any protocol procedures (inclusion criterion). Subject information and informed consent form documents for adults are provided (German-language ICFs indicated). No assent/minor consent procedures are indicated (study enrols patients ≥18 years).

Methods

  • Landing page (K1_2024-515395-12-00_Landingpage_ITMP) — online information/entry point indicated by document title
  • Werbeanzeige (advertisement) — recruitment advertisement (document titled 'Werbeanzeige')
  • Contact form (K1_2024-515395-12-00_Kontaktformular) — web contact form for interested participants
  • Privacy information on homepage (K1_2024-515395-12-00_Datenschutzrechtliche_Information_Homepage) — data protection / privacy information for online recruitment

Geography

Total Number Of Sites
5
Total Number Of Participants
105

Germany

Earliest CTIS Part Ii Submission Date
21-01-2025
Latest Decision Or Authorization Date
02-02-2026
Processing Time Days
377
Number Of Sites
5
Number Of Participants
105

Sites

Site Name
Klinikum der Universitaet Muenchen AöR
Department Name
Psychiatry and psychotherapy
Contact Person Name
Oliver Pogarell
Site Name
Goethe University Frankfurt
Department Name
Psychiatry, Psychosomatics and Psychotherapy
Contact Person Name
Andreas Reif
Contact Person Email
reif@med.uni-frankfurt.de
Site Name
Universitaet Leipzig
Department Name
Polyclinic for Psychiatry and Psychotherapy
Contact Person Name
Maria Strauß
Site Name
Universitaetsklinikum Bonn AöR
Department Name
Psychiatry and Psychotherapy
Contact Person Name
Alexandra Philipsen
Contact Person Email
Alexandra.Philipsen@ukbonn.de
Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
ADHS Spezialambulanz, Klinik für Psychiatrie und Psychotherapie
Contact Person Name
Julian Hellmann-Regen
Contact Person Email
julian.hellmann@charite.de

Sponsor

Primary sponsor

Full Name
Fraunhofer Institute For Translational Medicine And Pharmacology ITMP
Organisation Type
Laboratory/Research/Testing facility
Country Of Registered Address
Germany

Third parties

  • {"country":"Germany","full_name":"SocraMetrics GmbH","duties_or_roles":"sponsorDuties codes: 10, 6","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
Dexamfetamine sulfate 10 mg modified-release capsule
Active Substance
DEXAMFETAMINE SULFATE
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
prodAuthStatus: 1; euMpNumber: PRD10988407
Dose Levels
10 mg (dose group listed)
Maximum Dose
10 (maxDailyDoseAmount as listed in product record)
Investigational Product Name
Dexamfetamine sulfate 15 mg modified-release capsule
Active Substance
DEXAMFETAMINE SULFATE
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
prodAuthStatus: 1; euMpNumber: PRD10988408
Dose Levels
15 mg (dose group listed)
Maximum Dose
30 (maxTotalDoseAmount as listed in product record)
Investigational Product Name
Dexamfetamine sulfate 20 mg modified-release capsule
Active Substance
DEXAMFETAMINE SULFATE
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
prodAuthStatus: 1; euMpNumber: PRD10988409
Dose Levels
20 mg (dose group listed)
Maximum Dose
20 (maxDailyDoseAmount as listed in product record)
Investigational Product Name
Attentin 5 mg, Tablette
Active Substance
DEXAMFETAMINE SULFATE
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
Marketing authorisation number: 74643.00.00 (Germany); prodAuthStatus: 2
Dose Levels
5 mg (available marketed strength)
Maximum Dose
15 (maxDailyDoseAmount as listed in product record)
Investigational Product Name
Attentin 10 mg Tablette
Active Substance
DEXAMFETAMINE SULFATE
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
Marketing authorisation number: 94042.00.00 (Germany); prodAuthStatus: 2
Dose Levels
10 mg (available marketed strength)
Maximum Dose
30 (maxDailyDoseAmount as listed in product record)

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