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It is hypothesised that the number of donations made by English blood donors will be greater with reduced vs. standard inter-donation intervals. The null hypothesis is that there will be no difference in donations between treatment groups; this may arise if reduced inter-donation intervals result in a greater number of donation deferrals (due to low haemoglobin) and/or an unacceptable burden to donors.
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50,000 blood donors will be recruited from permanent blood donation centres across England to compare different intervals between blood donations to try to find the optimum interval for which it is safe for different donors to give blood. The study will look at whether intervals should be tailored by age, gender, genetic profile, and other characteristics. Study findings should help to improve the well-being of future blood donors in England and enhance the country's blood supplies.
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50,000 participants in 6 patient groups
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Data sourced from clinicaltrials.gov
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