This newly published proposal for a meaningful clinical trial of combination therapy has just been publicised. At the moment it's only an abstract of what is intended. I look forward to its full publication. It seems that new combination trials are afoot as are NDT ones.
Front. Endocrinol. | doi: 10.3389/fendo.2020.00168
Design of the Optimal Trial of Combination Therapy
Anne Cappola1*