Fentanyl was invented in 1960 by Belgium’s Paul Janssen, founder of Janssen Pharmaceuticals (now part of Johnson and Johnson) as a form of anesthetic that, ironically, was considered safer than ...

Unlike opium, nitazenes and other synthetic opioids can be produced anywhere in the world using precursor chemicals that are often uncontrolled.

The features and uses of PCTS are different from those of Duragesic (Janssen Pharmaceutica Products, LP, Titusville, NJ), a trans-dermal patch that passively delivers fentanyl continuously.

Although first synthesized as a clinical intravenous analgesic by Paul Janssen in 1960, fentanyl quickly became a commonly prescribed drug for the treatment of chronic pain. Higher in potency than ...

Fentanyl was first developed around 1959 by Dr. Paul Janssen and his Belgium-based pharmaceutical company. — It was introduced in the 1960s as an intravenous anesthetic, according to the U.S. Drug ...