The CEO stated that he has confidence in Axovant's drug, as it could help the 5 million patients in the U.S. with Alzheimer's disease. The company's focus is not only on the treatment of Alzheimer's, but also dementia and other forms of dementia. His confidence stems from the strength of his team, including the developer of the most widely used drug to treat Alzheimer's disease, along with board members that include the former head of neuroscience from GlaxoSmithKline who led the development of this drug. - Read more from Mad Money with Jim Cramer Cramer Remix: Greece talks could fail Cramer: Do you have $$ loss mentality? Cramer: Good signs hidden in the market - "The thing in Alzheimer's disease to remember, and we remember this all the time at Axovant, is we don't fully understand the way the actual underlying disease works. Not just us at Axovant, but the field more generally," Ramaswamy said.