nalmefene

Now the FDA Wants Nalmefene to Be a Fentanyl-Exposure “Prophylactic”

The Food and Drug Administration is reportedly providing guidance and “positive feedback” for a proposed nalmefene product that will last…

November 14, 2025

MA Overdose Bills Signal Push Toward Nalmefene, Civil Commitment

Massachusetts is considering multiple proposals that, taken together, would make the landscape of overdose response increasingly hostile toward people who…

October 28, 2025

Indivior Isn’t Done With Opvee, the Overdose Antidote That’s Not Narcan

Less than two months after an investigation into deceptive marketing prompted Indivior Inc. to stop promoting its overdose antidote Opvee,…

October 24, 2025

Opvee, High-Profile Overdose Antidote No One Used, Discontinues Marketing

Indivior PLC has discontinued marketing for Opvee, the opioid-overdose reversal product that the pharmaceutical company had claimed was more effective…

October 1, 2025

Indivior-Funded Study Suggests Opvee Outperforms Narcan. But at What?

Indivior PLC, the pharmaceutical company that manufactures the opioid overdose antidote Opvee (nalmefene), has published new research showing that its…

June 11, 2025

Fentanyl Doomsday Prepping

On August 26, pharmaceutical manufacturer Indivior announced that it had begun supplying the Biomedical Advanced Research and Development Authority (BARDA)…

August 27, 2024

FDA Approves Risky Opioid Overdose Reversal Product From Purdue Pharma

On August 7 the Food and Drug Administration approved an opioid overdose antidote developed by Purdue Pharma that contains nalmefene,…

August 8, 2024

Nalmefene Is Not “Just Like Naloxone”

Opvee, an opioid-overdose antidote manufactured by Indivior that was approved in 2023, has in recent weeks been slowly rolling out…

February 23, 2024