Complex sentence: The Clinical Practice Research Datalink (CPRD) is the new English NHS observational and interventional research service, jointly funded by the NHS National Institute for Health Research (NIHR) and the Medicines and Healthcare Products Regulatory Agency (MHRA).
Split into simpler sentences: The Clinical Practice Research Datalink (CPRD) is an observational and interventional research service that operates as part of the English National Health Service (NHS). It is jointly funded by the National Institute for Health Research (NIHR) and the Medicines and Healthcare Products Regulatory Agency (MHRA).