Achieving Our Goals The Multiple System Atrophy Trust is the only charity registered in the UK and Ireland providing specialist support to people living with and affected by multiple system atrophy (MSA). The Trust supports people with MSA, their families and friends, carers and health and care professionals. We provide individual advice and information, a helpline, a regular magazine and support groups spread nationwide. The Trust, through our donors, remains the sole funder of medical research to find both the cause of and cure for MSA.