A
AALPHI
Adolescents and Adults Living with Perinatal HIV cohort
ACORD
A Collaboration Of groups developing, Running and reporting multi-arm multi-stage trials in neurodegenerative Diseases
Add-Aspirin
A phase III double-blind, placebo-controlled, randomised trial assessing the effects of aspirin on disease recurrence and survival after primary therapy in common non-metastatic solid tumours
AB01
A randomised trial of epirubicin and cyclosphamide versus epirubicin and paclitaxel in the treatment of women with metastatic breast cancer
ACTT-EU/UK
Adaptive COVID-19 Treatment Trial in the EU & UK (ACTT-EU/UK) - A Multicenter, Adaptive, Randomised Blinded Controlled Trial of the Safety and Efficacy of Investigational Therapeutics for the Treatment of COVID-19 in Hospitalised Adults
ARREST
Adjunctive Rifampicin to Reduce Early mortality from STaphylococcus aureus bacteraemia: a multi-centre, randomised, blinded, placebo controlled trial
ARROW
Anti-retroviral research for Watoto
AXIS
A randomised trial of post-operative portal vein infusion of fluorouracil vs surgery alone for colorectal cancer, and of peri-operative radiotherapy vs no radiotherapy for rectal cancer