Testosterone Replacement Therapy (TRT) Market to Face Lean Patch until 2024 as it Inches Close to Patent Cliff, says TMR AbbVie, Inc. emerged the undisputed leader in a highly consolidated global testosterone replacement therapy (TRT) market in 2015 thanks to its star performer TRT product, AndroGel, finds Transparency Market Research (TMR) in a new study. Endo Pharmaceuticals, Inc., Eli Lilly and Company, Allergan plc, and Bayer AG are the other strong contenders in this space. The top five players together held sway over 80% of the market in the same year, finds TMR. Although in the short term, the advent of innovative testosterone replacement therapy technology such as spray-on and unmodified testosterone will give the testosterone market a shot in the arm, the market is nearing a patent cliff. As a result of these imminent patent expirations, the market will witness a decline in revenues. “Yet, it’s a not entirely a bleak picture. With several drivers acting upon the market, slow albeit steady growth will be possible. There is a rising demand for advanced TRT products as consumers become more aware about the options available to them,� says a TMR analyst.