Randomised crossover trial to determine whether a beta blocker and an Angiotensin Converting Enzyme (ACE) inhibitor have independent effects in lowering blood pressure

ISRCTN ISRCTN97280940
DOI https://doi.org/10.1186/ISRCTN97280940
Secondary identifying numbers P3/04/040
Submission date
02/03/2007
Registration date
16/05/2007
Last edited
03/05/2011
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Circulatory System
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English Summary

Not provided at time of registration

Contact information

Dr David Wald
Scientific

Wolfson Institute of Preventive Medicine
Charterhouse Square
London
EC1 M6BQ
United Kingdom

Email d.s.wald@qmul.ac.uk

Study information

Study designRandomised, placebo-controlled, crossover trial.
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typeNot Specified
Scientific title
Study acronymCTBP (Combination Therapy Blood Pressure) Trial
Study hypothesisRandomised, crossover trial to determine whether a beta blocker and an ACE inhibitor have independent effects in lowering blood pressure.
Ethics approval(s)East London Local Research Ethics Committee on 04/05/2004 (ref: DAI/MY/P304040)
ConditionCardiovascular disease
InterventionAll participants received each of the following interventions:

1. Atenolol 25 mg
2. Lisinopril 5 mg
3. Atenolol 25 mg + lisinopril 5 mg
4. Placebo

sequentially in a random sequence.
Intervention typeOther
Primary outcome measureSystolic and diastolic blood pressure.
Secondary outcome measuresAdverse effects.
Overall study start date14/04/2004
Overall study end date14/12/2004

Eligibility

Participant type(s)Patient
Age groupAdult
SexBoth
Target number of participants60
Participant inclusion criteria1. Men or women over age 40
2. Blood presssure over 100/60 mmHg
Participant exclusion criteria1. Peripheral vascular disease
2. Asthma
3. Atrial Fibrillation (AF)
Recruitment start date14/04/2004
Recruitment end date14/12/2004

Locations

Countries of recruitment

  • United Kingdom

Study participating centre

Wolfson Institute of Preventive Medicine
London
EC1 M6BQ
United Kingdom

Sponsor information

Queen Mary University of London (UK)
University/education

Charterhouse Square
London
EC1 M6BQ
United Kingdom

Email gerry.leonard@bartsandthelondon.nhs.uk
ROR logo "ROR" https://ror.org/026zzn846

Funders

Funder type

Other

Investigator-funded (UK)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 01/11/2008 Yes No