Clopidogrel versus Aspirin in Chronic HEart failure

ISRCTN ISRCTN13415258
DOI https://doi.org/10.1186/ISRCTN13415258
EudraCT/CTIS number 2009-011637-27
Secondary identifying numbers HTA 08/53/36
Submission date
11/01/2012
Registration date
08/02/2012
Last edited
24/04/2019
Recruitment status
Stopped
Overall study status
Stopped
Condition category
Circulatory System
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English Summary

http://www.hta.ac.uk/2144

Contact information

Prof John Cleland
Scientific

Department of Cardiology
Daisy Building
Castle Hill Hospital
Castle Road
Cottingham
Hull
HU16 5JQ
United Kingdom

Phone +44 (0)1482 761776
Email j.g.cleland@hull.ac.uk

Study information

Study designPhase IV trial open-label interventional non-blinded randomised controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typeTreatment
Participant information sheet Not available in web format, please use the contact details to request a patient information sheet
Scientific titleA randomised, open-label, study comparing the effects of aspirin and clopidogrel on outcomes in patients with chronic heart failure
Study acronymCACHE
Study hypothesisCompared to clopidogrel, aspirin has an adverse effect on cardiovascular function in patients with heart failure leading to an increase in the symptoms of heart failure, reduced quality of life, an increase in hospitalisation and higher mortality.

Demonstrating whether such differences do or do not exist would be valuable and settle a substantial controversy in care, highlighted in international guidelines for the management of heart failure. The protocol designed to address this in a non-blinded, randomised controlled trial comparing aspirin and clopidogrel, conducted in 3,000 patients with heart failure over a period of approximately 5 years.
Ethics approval(s)Northern & Yorkshire REC, 15/05/2012, ref: 10/H0903/13
ConditionHeart failure
InterventionClopidogrel vs aspirin both 75 mg/day per patient taken orally & daily.

This phase IV trial will compare the effects of prescribing aspirin 75 mg/day and clopidogrel 75 mg/day, primarily on all-cause mortality. Half of the patients will be randomised to each intervention. The investigator and the patient will know to which treatment the patient has been assigned. The duration of the study is determined by the event-rate although it could be stopped early for futility or because of a larger than anticipated treatment difference. The planned mean duration of follow-up is 3.8 years and some patients may be followed for more than five years before the required number of events has been attained. However, to allow for uncertainty we seek permission to follow patients for up to ten years.
Intervention typeDrug
Pharmaceutical study type(s)
PhasePhase IV
Drug / device / biological / vaccine name(s)Clopidogrel, aspirin
Primary outcome measureAll causes mortality
Secondary outcome measures1. Cardiovascular death or hospitalisation for heart failure (time to first event)
2. Sudden death or a vascular event (myocardial infarction, stroke, peripheral embolism, requirement for angioplasty or vascular surgery) using a time to first event analysis
3. Total days lost to death or hospitalisation (all causes)
4. Quality-adjusted years alive (QALY) using repeated measurements of EQ5D
5. Cost per QALY
Overall study start date11/02/2011
Overall study end date31/08/2016
Reason abandoned (if study stopped)Participant recruitment issue

Eligibility

Participant type(s)Patient
Age groupAdult
SexBoth
Target number of participants3000
Total final enrolment87
Participant inclusion criteria1. Willing and able to provide written confirmation of informed consent
2. A clinical diagnosis of heart failure
3. Currently in sinus rhythm on clinical examination
4. Receiving diuretics for at least 6 weeks prior to inclusion
5. Patients must have a telephone
6. Patients must be willing to provide their personal contact details, those of their next of kin and those of their general practitioner (GP) and hospital to the national coordinating office and be willing to be contacted by telephone by these staff.
7. Patients must be willing to have hospitalisation and other serious events tracked through mechanisms including:
7.1. In England:
7.1.1. The National Health Service (NHS) Central Register (NHSCR)
7.1.2. National Office of Statistics
7.2. In Scotland:
7.2.1. The Registrar General’s Office
7.2.2. NHS Information Statistics Division
8. If non-English speaking, patients must have a friend or relative who can translate or who have other access to translation
Participant exclusion criteria1. Plasma (central lab) NT-proBNP <400pg/ml (47.3pmol/L) or MR-proANP <200pmol/L
2. Lack of an ECG within the previous 12 months documenting sinus rhythm. Patients who have had an episode of atrial fibrillation in the previous year may be enrolled provided the most recent ECG shows sinus rhythm and the treating doctor has decided not to prescribe anti-coagulants.
3. Severe valve disease in the investigators opinion (an echocardiogram report within the previous 12 months must be available)
4. Serum creatinine >250umol/L (local lab)
5. Intolerant of aspirin or clopidogrel or who have a contraindication to such treatment or who require anti-coagulation
6. Contraindications to aspirin or clopidogrel include:
6.1. Substantial, in the investigators opinion, bleeding from an uncorrected source within the previous year
6.2. Endoscopically proven peptic ulcer within the previous 3 months. Patients must be on treatment if peptic ulcer diagnosed in previous year
6.3. Haemorrhagic stroke within the previous 3 months
6.4. Known coagulation disorder (e.g. haemophilia)
6.5. Full blood count suggesting iron deficiency (patients may be enrolled in the study after the cause of iron deficiency is or has previously been investigated and treatment has been initiated) (local lab)
7. Platelet count <100,000 (local lab)
8. Scheduled procedure that would require discontinuation of study medication for > 2 weeks (patient may be recruited after procedure)
9. History of uncontrolled seizures or high risks of falls
10. Regular use of non-steroidal anti-inflammatory agents > 3 times a week
11. Use of maintenance oral corticosteroids
12. Women of child-bearing potential or who are breast feeding
13. Patients with a history of asthma should not take part unless they have taken aspirin previously without ill-effect
14. Patients with an indication for oral anti-coagulation including:
14.1 Current or recent (within 12 months) atrial fibrillation or flutter (evidence of an ECG documenting sinus rhythm must be provided)
14.2. Prior embolic stroke
14.3. Mechanical prosthetic heart valve
15. Patients requiring dual anti-platelet therapy including:
15.1. Patients within 3 months of an acute coronary syndrome
15.2. Transient ischaemic attack or vascular procedure or within one year of receiving a drug eluting coronary stent
16. Patients likely to die of something other than heart failure or sudden (cardiac) death
17. Inability to walk without the physical assistance of another person (patients with walking aids are permitted)
18. Other patients deemed unlikely to comply with the protocol
19. Women who are at pregnant or who could become pregnant
20. Women of child-bearing age should be taking reliable contraception (tubal ligation or implanted contraceptive)
21. Inability to communicate in English
Recruitment start date11/02/2011
Recruitment end date31/08/2016

Locations

Countries of recruitment

  • England
  • United Kingdom

Study participating centre

Castle Hill Hospital
Hull
HU16 5JQ
United Kingdom

Sponsor information

Hull and East Yorkshire Hospitals NHS Trust (UK)
Hospital/treatment centre

Research and Development Department
Daisy Building
Castle Hill Hospital
Castle Road
Hull
HU16 5JQ
England
United Kingdom

Phone +44 (0)1482 461882
Email priyai.parkinson@hey.nhs.uk
Website http://www.hey.nhs.uk/
ROR logo "ROR" https://ror.org/01b11x021

Funders

Funder type

Government

Health Technology Assessment Programme
Government organisation / National government
Alternative name(s)
NIHR Health Technology Assessment Programme, HTA
Location
United Kingdom

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot expected to be made available
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 02/09/2014 18/04/2019 Yes No
HRA research summary 28/06/2023 No No

Editorial Notes

24/04/2019: The trial was stopped due to low recruitment. There are no further plans to publish.
18/04/2019: Publication reference and total final enrolment added.