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A 26 week double-blind extension to a 26 week randomised, double-blind placebo-controlled study that evaluated the safety and efficacy of two different doses of phenserine-tartrate in patients with probable mild to moderate Alzheimer's disease.

A 26 week double-blind extension to a 26 week randomised, double-blind placebo-controlled study that evaluated the safety and efficacy of two different doses of phenserine-tartrate in patients with probable mild to moderate Alzheimer's disease.

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2005-000063-25-GB
Enrollment
450
Registered
2005-03-02
Start date
2005-06-10
Completion date
Unknown
Last updated
2020-07-27

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

Conditions

Alzheimer's disease is caused by a loss of nerve cells in the brain, particularly in the areas associated with memory and learning. The onset of Alzheimer's also affects the levels of a certain neurotransmitter in the brain. MedDRA version: 4.1 Level: HLT Classification code 10001897

Interventions

Product Name: Phenserine tartrate 5 mg tablet Pharmaceutical Form: Coated tablet INN or Proposed INN: Phenserine tartrate Current Sponsor code: Phenserine tartrate Other descriptive name: [(-)-Phenylc

Sponsors

Axonyx Inc
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: After successfully completing the AX-CL-09 study, patients will be enrolled in the extension study and will continue to receive study medication without a break (i.e. rollover directly into the extension study). In order to be eligible for inclusion in this extension study, patients must have successfully completed the AX-CL-09 study and continue to fulfil the inclusion criteria for the AX-CL-09 study. In addition, patients must fulfil the following: • General health status acceptable for participation in a 6 month extension study; • Are capable of understanding and have given written informed consent for the extension study [or this has been provided by their acceptable representative (according to local requirements)] and a separate caregiver responsibilities and consent form has also been signed by the patient’s caregiver; • Have a reliable caregiver available, and if not living in the same household, the caregiver sees the patient at least 4 times a week or a total of 15 to 20 hours per week; • Agrees to comply with the protocol requirements of the extension study. 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 F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: Patients who complete the AX-CL-09 study may have received the investigational drug phenserine-tartrate, which is an acetylcholinesterase inhibitor. These patients are eligible for enrolment in the AX-CL-09e extension study providing they have not received any other acetylcholinesterase inhibitor in the 3 months before study entry, and providing they do not fulfil any other exclusion criteria from the AX CL-09 study.

Design outcomes

Primary

MeasureTime frame
Main Objective: The primary objective of this extension study is to examine the long term effect of treatment with phenserine-tartrate and possibly evaluate the disease modifying potential of phenserine-tartrate.;Secondary Objective: To investigate the long term safety profile of phenserine-tartrate.;Primary end point(s): The long term efficacy profile will be assessed using the following endpoints Primary: • Cognitive performance using ADAS-COG.

Countries

United Kingdom

Outcome results

None listed

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