In 2012 he was awarded a 5 year NIHR post doctoral Fellowship to investigate the possible contribution of CHM to the treatment of recurrent urinary tract infections and is currently about to start the UKs first clinical trial of Chinese herbs as an Investigational Medicinal Product for this condition. In January 2016 Andrew received promotion to Senior Research Fellow.

Clinical trial methodology, Chinese herbal medicine, urinary tract infections, endometriosis, supportive treatment for people with cancer.

The RUTI trial: a multi-centred, 16 week, double blind, placebo controlled, feasibility study comparing standardised Chinese herbal treatment, delivered by GPs, with individualised treatment administered by practitioners of Chinese herbal medicine, for women with Recurrent Urinary Tract Infections. Study protocol for a Randomised Controlled Trial - Flower, Andrew, Harman, Kim, Lewith, George, Moore, Michael, Bishop, Flis, Stuart, Beth and Lampert, Nicholas Published:2016Publication:Clinical TrialsPage Range:1-21 Chinese herbal medicine for treating recurrent urinary tract infections in women - Flower, Andrew, Wang, Li-Qiong, Lewith, George, Liu, Jian Ping and Li, Qing Published:2015Publication:Cochrane Database of Systematic ReviewsVolume:6, (CD010446)Page Range:1-50doi:10.1002/14651858.CD010446.pub2PMID:26040964 Developing clinical practice guidelines for Chinese herbal treatment of polycystic ovary syndrome: a mixed-methods modified Delphi study - Lai, Lily, Flower, Andrew, Moore, Michael and Lewith, George Published:2015Publication:Complementary Therapies in MedicineVolume:23, (3)Page Range:430-438doi:10.1016/j.ctim.2015.03.003PMID:26051579 The challenges of treating women with recurrent urinary tract infections in primary care: a qualitative study of GPs’ experiences of conventional management and their attitudes towards possible herbal options - Flower , Andrew, Winters, David, Bishop , Felicity L. and Lewith , George Published:2015Publication:Primary Health Care Research & DevelopmentPage Range:1-10doi:10.1017/S1463423615000201