Carolina Rojas

By: Dr. Francisco Rojas Opioids are a class of strong analgesics widely prescribed to treat pain associated with tissue damage and inflammation,... Read More

March 2017 Francisco J. Rojas, Ph.D. In August 2016, the US Drug Enforcement Administration (DEA) announced plans to designate mitragynine and 7-hydroxymitragynine,... Read More

By: Francisco J. Rojas, Ph.D.  Marijuana, the cannabis plant, is a psychoactive (mind-altering) drug that contains compounds called cannabinoids. The plant’s primary... Read More

The spike in drug abuse, especially in the United States and Canada, has been receiving a lot of media attention and for... Read More

By: Dr. Francisco Rojas Naloxone is an antagonist that competes for the same receptors as opioid agonists such as heroin and fentanyl.... Read More

Being a California-based company, Pyxis is continuing to focus this month on the legal status of marijuana.  On November 8, California voters... Read More

We have been carefully watching the cultural and political implications of the increasing legalization of marijuana.  Like anything else, it seems to... Read More

As the U.S. problem of opioid abuse continues to grow, recent research provides new insights into the significant impact of opioid-related hospitalizations,... Read More

Written by: Francisco J. Rojas, Ph.D. W-18 is a novel psychoactive substance and synthetic opioid that is showing up as a new... Read More

We are proud and excited to share a recent interview with our president Dr. Ines Moretti for the Spanish language publication Chile... Read More