Hospitals and pharmacies are required to toss expired drugs, no matter how expensive or vital. Meanwhile the FDA has long known that many remain safe and potent for years longer.
The box of prescription drugs had been forgotten in a back closet of a retail pharmacy for so long that some of the pills predated the 1969 moon landing. Most were 30 to 40 years past their expiration dates — possibly toxic, probably worthless.
But to Lee Cantrell, who helps run the California Poison Control System, the cache was an opportunity to answer an enduring question about the actual shelf life of drugs: Could these drugs from the bell-bottom era still be potent?
Cantrell called Roy Gerona, a University of California, San Francisco, researcher who specializes in analyzing chemicals. Gerona had grown up in the Philippines and had seen people recover from sickness by taking expired drugs with no apparent ill effects.
“This was very cool,” Gerona says. “Who gets the chance of analyzing drugs that have been in storage for more than 30 years?”
In his lab, Gerona ran tests on the decades-old drugs, including some now defunct brands such as the diet pills Obocell (once pitched to doctors with a portly figurine called “Mr. Obocell”) and Bamadex. Overall, the bottles contained 14 different compounds, including antihistamines, pain relievers and stimulants. All the drugs tested were in their original sealed containers.
The findings surprised both researchers: A dozen of the 14 compounds were still as potent as they were when they were manufactured, some at almost 100 percent of their labeled concentrations.
“Lo and behold,” Cantrell says, “The active ingredients are pretty darn stable.”