Clinical trials are a way of collecting data to understand the safety and efficacy of new medical treatments. Clinical trials are an important step on the way to getting approval for a treatment, and there are typically four phases to any clinical trial, starting with Phase 1 clinical trials and ending, hopefully, with approval from the FDA. Each phase is considered a separate trial, and it is possible for a drug or treatment to fail at any point.
Are CNS Trails Really Necessary?
The pharmaceutical industry is responsible for curing many deadly diseases that plagued the world even just a few decades ago. Hepatitis C, for example, used to require lifelong treatment and often ended with the need for a liver transplant. Today, between 90% and 95% of people with hepatitis C can be cured with an 8 to 12-week drug treatment. The pharmaceutical industry currently spends almost $150 billion every year on research and development, and as of 2014, pharmaceutical companies made up five