Glossary

TD (or tid) – a short hand term for medication dosing that means ‘take three times a day’.

See also q8H.

randomised controlled trial (RCT) – a type of research study that produces very high quality results. RCTs are often called gold-standard – ie the best evidence.

Study participants are randomly assigned to one of more study arm. One or more arms might use new drugs and another (the control arm) maybe uses the standard of care, or maybe a placebo.

See: randomise

low level resistance – when there is some resistance but it does not have any significant impact on how well a drug works.  The HIV drug is still sensitve and is  considered active.

Q12H (or q12H) – an abbreviated term for timing medication doses.

q8H means every 8 hours.This is not the same as three times a day (tid or TD).

q12H means every 12 hours. This is not the same as twice-daily (bid or BD).

q24H means every 24 hours. This is not the same as once-daily (qd or QD).

HBV – hepatitis B, a virus that causes liver disease.

Hepatitis B.