Double blind, randomised controlled cross over trial comparing the antihypertensive effects of amiloride and spironolactone in black hypertensives with and without the T594M mutation

ISRCTN ISRCTN21821912
DOI https://doi.org/10.1186/ISRCTN21821912
Protocol serial number PG/2001084
Sponsor British Heart Foundation (UK)
Funder British Heart Foundation (UK)
Submission date
08/03/2002
Registration date
08/03/2002
Last edited
14/03/2017
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Circulatory System
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 PA Swift
Scientific

Blood Pressure Unit
Department of Physiological Medicine
St George's Hospital Medical School
Cranmer Terrace
London
SW17 0RE
United Kingdom

Phone +44 20 8725 3176
Email pswift@sghms.ac.uk

Study information

Primary study designInterventional
Study designRandomised controlled trial
Secondary study designRandomised controlled trial
Scientific titleDouble blind, randomised controlled cross over trial comparing the antihypertensive effects of amiloride and spironolactone in black hypertensives with and without the T594M mutation
Study objectivesNot provided at time of registration
Ethics approval(s)Not provided at time of registration
Health condition(s) or problem(s) studiedHypertension
Intervention1. Amiloride 5 mg bd for 2 weeks, increased to 10 mg bd for further 6 weeks. Then cross over to spironolactone as below, then to a combination of amiloride 5 mg bd plus spironolactone 25 mg bd
2. Spironolactone 25 mg bd for 2 weeks then increased to 50 mg bd for further 6 weeks. Then cross over to amiloride as above, then to a combination of amiloride 5 mg bd plus spironolactone 25 mg bd
Intervention typeDrug
PhaseNot Specified
Drug / device / biological / vaccine name(s)amiloride and spironolactone
Primary outcome measure(s)

Not provided at time of registration

Key secondary outcome measure(s)

Not provided at time of registration

Completion date31/12/2002

Eligibility

Participant type(s)Patient
Age groupAdult
SexAll
Key inclusion criteria1. Hypertensives of African origin
2. Subjects with the T594M polymorphism and controls with the wild-type sodium channel
Key exclusion criteriaNot provided at time of registration
Date of first enrolment01/01/2002
Date of final enrolment31/12/2002

Locations

Countries of recruitment

  • United Kingdom
  • England

Study participating centre

Blood Pressure Unit
London
SW17 0RE
United Kingdom

Results and Publications

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

Editorial Notes

14/03/2017: No publications found in PubMed, verifying study status with principal investigator