Sandwell & West Birmingham Hospitals NHS Trust
Entertainment Sharma
Cardiovascular disease (CVD) is the leading cause of morbidity, mortality and healthcare costs in the United Kingdom. Ethnic minorities like South Asians (SA) have a 3-5 times higher incidence of CVD as predicted by various risk scores despite similar or fewer traditional cardiovascular risk factors. Computed Tomography Coronary Angiography (CTCA) is able to outline the coronary anatomy determining the site, severity and type of atherosclerotic plaque location in the heart arteries. The National Institute for Health and Care Excellence (NICE) guidelines recommends CTCA as the first line investigation for stable chest pain considered to be coming from the heart (angina). However there is no pathway for the patients who are asymptomatic but at high risk of CVD, such as the SA cohort. Current practice involves using risk scores to guide management of asymptomatic adults. One recommended and commonly used score is the Q-risk score (the QRISK ® 3-2018 risk calculatorhttps://qrisk.org \> three). This score incorporates ethnicity amongst other risk factors and patients with a risk ≥10% of having a heart attack or stroke in the next 10 years are offered primary prevention treatment with low dose statin therapy. For example, an average (height 164cm weight 70kg) 40 year old male of SA descent, without symptoms who is a non-smoker but with Diabetes Mellitus (DM) on tablet treatment scores 5.8% - this risk is not high enough to warrant treatment with a statin unless he also has abnormally raised cholesterol levels. But this patient is still high risk of CVD due to his ethnicity and DM. There is no current evidence to tailor treatment in such asymptomatic, high risk ethnic minorities. Similar to screening programs for cancer, screening CTCA, compared to risk stratification with the QRISK ® 3 score, may help in risk stratification of a higher proportion of SA patients. 50 asymptomatic SA patients from 2 sites (25 patients each site) with one CV risk factor will be randomised to either Q-risk 3 score or to screening CTCA.
Cardiovascular Diseases
Asymptomatic Condition
South Asian
CTCA
NA
This is a pilot study- 50 patients, randomised 1:1 to each arm (25 patients per arm). This is 10% of the original sample size of 500. As this is a 2 centre study, each centre will recruit 25 patients and the financial requirement will be the responsibility of the individual centre. Potential participants will be recruited from specialist non-Cardiology clinics in Sandwell and West Birmingham Hospitals (SWBH) NHS Trust and the Barts London hospital. Participants will be approached by members of the clinical care team when they attend the specialist non-Cardiology clinic. This study will be discussed with the participants and the patient information sheet handed over to them. Assent will be taken for further review in clinic by a member of the research team. Following this and written informed consent, they will be randomised to either CTCA or Q-risk 3 score. Non-English-speaking patients will have a Trust translator (either language line or in-person). Randomisation: Block randomisation with sealed envelope technique after written informed consent. Randomisation will be performed by members of the research team. Patients will randomised 1:1 to the interventional arm (CTCA) or Q-risk 3 score. Blood tests: After consent, a routine blood sample of 20 millilitres (ml) - will be collected. The blood sample will be analysed at sites local lab and the following results will be collected: full blood count, urea and electrolytes, glycosylated haemoglobin (HbA1c), lipid profile and lipoprotein a (Lp (a) ). Follow up: At one year from recruitment, patients will have a telephonic follow up to obtain information regarding occurrence of any events and/or hospitalisation. Data collection, management and analysis: * Electronic case record file (eCRF) and online database to collect demographic, medical history, CTCA report and Q risk score information. * Blood samples in both groups * Comparison of demographics, bloods, proportion started on primary prevention treatment between the CTCA and Q-risk 3 group. * Categorical variables will be presented as percentage and compared with the chi square or Fisher's test. * Continuous variables will be presented as mean (+/- standard deviation) and tested for normalcy by * Kolmogorov-Smirnov test. Normal variables will be compared by student's t-test or in the case or non-normal variables by Analysis of Variance (ANOVA). * Proportion of patients in the CTCA arm who receive primary prevention treatment versus proportion in the Q-risk arm who receive primary prevention treatment will be compared, as will the composite of event rates and hospital admissions at one year. * In addition, the association of Q-risk 3 score with plaque on CTCA will be analysed by ROC curve. Confidentiality: No identifiable data will be leaving the Trust. The respective sites (SWBH and Barts hospitals) will individually perform the CTCA and Q-risk 3 score on their cohort of patients and report it individually Authorised members of the Sponsor organisation will monitor the research at appropriate timelines and therefore have access to patients' identifiable information. Patients recruited will be allocated a participant ID. Pseudonymised data will be collected on electronic case report forms (CRFs). Following completion of the study, anonymised data will be analysed. NHS indemnity will apply to this study. Study data will be stored for a maximum of 5 years after closure. Ethics: All required ethical approval(s) for the trial will be sought using the Integrated Research Application System. The trial will be conducted in accordance with all relevant regulations. Before enrolling patients into the trial, each trial site must ensure that the local conduct of the trial has the agreement of the relevant NHS Trust Research \& Development (R\&D) department. Sites will not be permitted to enrol patients into the trial until written confirmation of Capacity and Capability (CC\&C) is received. All patients will be consented prior to inclusion in this study.
| Study Type : | INTERVENTIONAL |
| Estimated Enrollment : | 50 participants |
| Masking : | NONE |
| Primary Purpose : | PREVENTION |
| Official Title : | Cardiovascular Screening in Asymptomatic South Asians - a Pilot Randomized Comparison of Q-risk 3 Score Versus Computed Tomography Coronary Angiography (CTCA) |
| Actual Study Start Date : | 2024-12-31 |
| Estimated Primary Completion Date : | 2026-12-31 |
| Estimated Study Completion Date : | 2027-07-31 |
Information not available for Arms and Intervention/treatment
| Ages Eligible for Study: | 30 Years to 60 Years |
| Sexes Eligible for Study: | ALL |
| Accepts Healthy Volunteers: |
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