CD4 cells are white blood cells in your immune system. CD4 cells signal to CD8 cells to destroy a virus. CD4 cells are also used by HIV as factories to reproduce in.
Glossary
Selected words and phrases
preclinical refers to the early development stage for a new drug, before any testing on humans. This includes they laboratory and animal tests. Preclinical studies will not always show what will happen when people use the drugs, but can provide a guide to serious problems that could occur.
haemoglobin – substance in red blood cells that carries oxygen.
Hodgkins disease (HD) – a type of lymphoma (lymph cancer).
half-life (T1/2) the time taken a drug to clear from the highest concentration to half this level. Drugs have different half-lives in different compartments (ie half-life in blood can be different from the half-life inside a cell). It take 5 x the half-live for a drug to be considered cleared.