ISRCTN ISRCTN55568578
DOI https://doi.org/10.1186/ISRCTN55568578
Protocol serial number N0038133699
Sponsor Department of Health
Funder Avon and Wiltshire Mental Health Partnership NHS Trust (UK)
Submission date
30/09/2004
Registration date
30/09/2004
Last edited
18/04/2016
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Nervous System Diseases
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr Roger Bullock
Scientific

Kingshill Research Centre
Victoria Hospital
Okus Road
Swindon
SN1 4HZ
United Kingdom

Phone +44 (0)1793 481182
Email roger.bullock@kingshill-research.org

Study information

Primary study designInterventional
Study designRandomised controlled trial
Secondary study designRandomised controlled trial
Study type Participant information sheet
Scientific titleMaking Evidence-based Decisions Using Alzheimer Therapy (MEDUSA Therapy)
Study objectivesWhat evidence is there that altering therapy, after initial treatment starts to fail, will benefit the patient?
Ethics approval(s)Not provided at time of registration
Health condition(s) or problem(s) studiedAlzheimer's disease
InterventionRandomised controlled trial (RCT):
1. Cholinesterase inhibitor (ChEi) as usual
2. Increased dose of ChEi
3. Rivastigmine
4. Memantine
5. ChEi as usual, plus memantine
Intervention typeDrug
PhaseNot Applicable
Drug / device / biological / vaccine name(s)Cholinesterase inhibitor, rivastigmine, memantine
Primary outcome measure(s)

1. Clinical Global Impression of Change (CGI/C)
2. Mini-Mental State Examination (MMSE)
3. BAYER-Activities of Daily Living (ADL)
4. Neuropsychiatric inventory questionnaire (NPI-Q)
5. Global Assessment Scale (GAS)

Key secondary outcome measure(s)

Not provided at time of registration

Completion date01/12/2004

Eligibility

Participant type(s)Patient
Age groupSenior
SexAll
Target sample size at registration75
Key inclusion criteria75 participants (i.e. 15 in each arm of the trial) with diagnosis of Alzheimer's disease (AD) and aged between 55 and 95
Key exclusion criteriaDoes not match inclusion criteria
Date of first enrolment30/09/2003
Date of final enrolment01/12/2004

Locations

Countries of recruitment

  • United Kingdom
  • England

Study participating centre

Victoria Hospital
Swindon
SN1 4HZ
United Kingdom

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Participant information sheet Participant information sheet 11/11/2025 11/11/2025 No Yes

Editorial Notes

18/04/2016: No publications found, verifying study status with principal investigator