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MRK biotech catalysts & pipeline

MERCK & CO INC · Data as of 2026-09-08

Upcoming catalysts

WINREVAIR — PDUFA

Sep 21

FDA set PDUFA date of September 21, 2026.
Source filing

WELIREG — PDUFA

Oct 4

FDA set PDUFA date of Oct. 4, 2026.
Source filing

ifinatamab deruxtecan — PDUFA

Oct 10

The FDA set a Prescription Drug User Fee Act (PDUFA) target action date of October 10, 2026.
Source filing

Keytruda (pembrolizumab) — Regulatory decision

2027

Instead, Keytruda will now be eligible to be selected in 2027 for government price setting to become effective on January 1, 2029.
Source filing

Keytruda (pembrolizumab) — Regulatory decision

Jan 1

As a result of the passage of H.R.1 - One Big Beautiful Bill Act (OBBBA), the Company believes that Keytruda will not be eligible to be selected in 2026 for government price setting under the IRA, which would become effective on January 1, 2028.
Source filing

Keytruda (pembrolizumab) — Regulatory decision

Jan 1

Instead, Keytruda will now be eligible to be selected in 2027 for government price setting to become effective on January 1, 2029.
Source filing

Keytruda (pembrolizumab) — Conference presentation

Oct 26

The Company will hold an Oncology Investor Event to coincide with the European Society for Medical Oncology Congress 2026 on Monday, Oct. 26, 2026, at 6 p.m. CET / 1 p.m. EDT, during which senior management will provide an update on the Company's oncology strategy and program.
Source filing

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