Primary-source record
Decision-gradeTopline results
Mirum: VISTAS Phase 2b volixibat meets primary endpoint in PSC
The VISTAS Phase 2b study met its primary endpoint, showing a statistically significant 1.64-point placebo-adjusted improvement in pruritus (p<0.0001) in PSC patients with moderate-to-severe itch. The company now plans a pre-NDA meeting with FDA in summer 2026 and NDA submission in H2 2026. Topline data from the separate VANTAGE Phase 2b study in PBC are now expected in Q1 2027.
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8-K false 0001759425 0001759425 2026-05-04 2026-05-04 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2026 Mirum Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-38981 83-1281555 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 989 East Hillsdale Boulevard Suite 300 Foster City , California 94404 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code: (650) 667-4085 N/A (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common stock, par