MO Bill Watch 103rd Missouri General Assembly · 2026 Second Regular Session · As of July 25, 2026
House · 2026 Second Regular Session · All bills filed

HB 1643

Modifies provisions relating to alternative therapies and treatments, including psilocybin

Outcome Did not pass · This Bill Replaced with a Substitute Bill - Check Primary Bill - HB 1717 02/26/2026 - HCS Reported Do Pass (H)

This bill was filed in the 2026 Second Regular Session and did not pass. The session has adjourned, so that outcome is final for this session; a bill can be filed again in a later session under a new number. The title above is the Missouri House's own description of the bill as filed, and the chamber's last recorded action is below, unedited.

Sponsor
Overcast, Matthew (155)
Chamber
House
Topic
State Governmentauto-tagged
District
155
LR number
4265H.01I
Bill string
HB 1643
Proposed effective date
8/28/2026
Last recorded action

This Bill Replaced with a Substitute Bill - Check Primary Bill - HB 1717 02/26/2026 - HCS Reported Do Pass (H)

Official record: https://house.mo.gov/Bill.aspx?bill=HB1643&year=2026&code=R

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Source: house.mo.gov · read July 28, 2026 · About the data