Main glossary

Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL



Randomisation randomly assigns patients to a control group or treatment group in clincial trials. It removed bias from trials, which could make the test unreliable.


A person who is appointed by an organisation to report on the proceedings of its meetings.

Rare disease

The EU defines a condition as 'rare' if it affects less than 1 in 2000 people.


A collection of information about individuals. 


Following regulatory approval, a reimbursement body will decide whether the manufacturer will be paid the cost of the drug, based on a cost-effectiveness calculation. In the UK, the National Institute for Health and Care Excellence (NICE) decide whether a drug will be reimbursed, i.e. whether the NHS will fund patients' treatments


The reduction or disappearance of the signs and symptoms of a disease

Research Ethics Committee

Groups of professionals and service users who review the ethical considerations of research studies. 

Restricted funding

Funding provided to a charitable organisation with restrictions around its use to a specific project.