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Monitoring of changes in the concentration of donepezil (Alzheimer's disease drug), oxidative stress indicators, and acetylcholinesterase enzyme activity in cerebrospinal fluid and plasma of patients with Alzheimer's disease.

Monitoring of changes in donepezil concentrations, biomarkers of oxidative stress and activity of acetylchonesterase in the cerebrospinal fluid and plasma of patients with Alzheimer disease. - DONEPEZIL

Status
Not yet recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2017-003586-94-CZ
Enrollment
32
Registered
2018-01-09
Start date
2018-01-08
Completion date
Unknown
Last updated
2019-02-28

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

Conditions

Alzheimer's disease MedDRA version: 20.0 Level: HLT Classification code 10001897 Term: Alzheimer's disease (incl subtypes) System Organ Class: 100000004852

Interventions

Trade Name: Landex Product Name: Landex Pharmaceutical Form: Tablet Trade Name: Aricept Product Name: Aricept Pharmaceu

Sponsors

Fakultní nemocnice Hradec Králové
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Men and women 50 - 80 (included) years old. 2. Patients who regularly use a standard therapeutic dose of donepezil (10 mg / day) for at least 3 months prior to sample collection. 3. Diagnosis probable AD established in accordance with the criteria NINCDS-ADRDA (National Institute of Neurological and Communicative Disorders and Stroke and the Alzheimer’s Disease and Related Disorders Association). Only patients with mild or moderate dementia who are able to understand the informed consent, will be included. Whether or not the patient is able to give informed consent is based on investigator decision. 4. Subject will be accompanied by a close person (caregiver, family member) to all study visits. Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 10 F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range 22

Exclusion criteria

Exclusion criteria: 1. Participation in another clinical trial or administration of another investigational product, medical device or procedure within 30 days prior to sample collection. 2. Lumbar puncture contraindication: intracranial hypertension, blood clotting disorders, skin inflammation at the injection site. 3. Investigator decision that participation in this clinical trial is not in the best interests of patient for safety reasons. 4. Pregnant or breastfeeding women can not be enrolled to the study. Given the age of study population this is not expected. However any pregnancy will be excluded on visit D0 by urine pregnancy test.

Design outcomes

Primary

MeasureTime frame
Main Objective: The aim of this trial is to find sufficiently sensitive and reproducible method for determining the drug in biological samples (plasma and cerebrospinal fluid).;Secondary Objective: Subsequent use of this method in preclinical and clinical studies.;Primary end point(s): The aim of this trial is to find sufficiently sensitive and reproducible method for determining the drug in biological samples (plasma and cerebrospinal fluid).;Timepoint(s) of evaluation of this end point: After collection of all samples.

Secondary

MeasureTime frame
Secondary end point(s): No secondary endpoints.;Timepoint(s) of evaluation of this end point: After collection of all samples.

Countries

Czech Republic

Contacts

Public ContactClinical Trials Information

Neurologická klinika Fakultní nemocnice Hradec Králové

valismar@seznam.cz0420495835233

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026