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Alzey Register for Clinical ADHD Data in Adults

Alzey Register for Clinical ADHD Data in Adults - ARCADIA

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00040820
Enrollment
Unknown
Registered
2026-07-06
Start date
2026-07-14
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

F90.0

Interventions

Group 1: Patients with a confirmed diagnosis of adult ADHD who receive pharmacotherapy as part of regular outpatient care. Treatment is not determined by the study. Symptoms, functional level, tolerab

Sponsors

Praxis Dr. Klinga
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Confirmed diagnosis of ADHD in adulthood according to ICD-10/DSM-5 - Start of regular treatment at Praxis Dr. Klinga as part of routine care, e.g. pharmacotherapy and/or group therapy - Sufficient German or English language skills to participate in diagnostics, treatment, and questionnaire assessments - Capacity to provide informed consent - Written informed consent to participate in the study after prior information and explanation

Exclusion criteria

Exclusion criteria: - Lack of capacity to provide informed consent or refusal to provide written informed consent - Severe cognitive impairment or language barriers that make reliable participation in diagnostics and treatment impossible - Current acute psychotic symptoms, florid mania, or suicidal crisis requiring inpatient treatment - No regular treatment at Praxis Dr. Klinga, e.g. only a one-time diagnostic assessment without further contact

Design outcomes

Primary

MeasureTime frame
Primary endpoint: Change in ADHD symptom severity and impairment relevant to daily life over time. This parameter is assessed at T0 = baseline and subsequently every 6 months, i.e. T1 = 6 months, T2 = 12 months, T3 = 18 months, etc. Assessment is performed using the digital, study-specific ARCADIA self-assessment questionnaire on ADHD core symptoms and impairment relevant to daily life

Secondary

MeasureTime frame
Secondary endpoints: - Change in functional level in work/occupation, social functioning, and daily organization - Patient-reported treatment satisfaction - Adherence and course of treatment - Tolerability and medication-related side effects - Treatment discontinuation and reasons for discontinuation Data are collected continuously during the observational period and evaluated at the respective 6-month time points. Assessment is based on patient-reported information from the digital ARCADIA self-assessment questionnaire as well as pseudonymized routine data from the patient record, including documented reasons such as lack of efficacy, side effects, or organizational reasons

Countries

Germany

Contacts

Public ContactAndreas Krogner

Praxis Dr. Klinga

krogner@praxis-dr-klinga.de+4967315471575

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 10, 2026