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Fentanyl-Overdose Vaccine to Begin Human Trials in 2026

1/3/2026

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Summary

Story summary

A fentanyl-overdose vaccine is set to enter human clinical trials in early 2026, aiming to block fentanyl from the brain.
The initial phase will enroll about 40 participants to assess safety and immune response.
Developed with U.S. Department of Defense funding, the vaccine could help people with opioid use disorder, first responders, and military personnel.

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Story summary

A fentanyl-overdose vaccine is set to enter human clinical trials in early 2026, aiming to block fentanyl from the brain.
The initial phase will enroll about 40 participants to assess safety and immune response.
Developed with U.S. Department of Defense funding, the vaccine could help people with opioid use disorder, first responders, and military personnel.