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Levi Garraway

Levi Garraway

Chief medical officer of Roche

Appears in 4 stories

Stories

Merck, Daiichi withdraw US application for lung cancer ADC after FDA pushback

New Capabilities

Pushing Roche's competing ADC tambotatug pelitecan toward global studies

Merck and Daiichi Sankyo withdrew their US application for ifinatamab deruxtecan, an experimental antibody-drug conjugate for extensive-stage small cell lung cancer, an aggressive disease that has resisted most new treatments. The FDA had told the companies their Phase 2 data were not enough to support accelerated approval, and the bid was pulled on September 25.

Updated Sep 29

Roche's sefaxersen meets phase 3 goal, joining IgAN market battle with Novartis

New Capabilities

Overseeing the sefaxersen program through regulatory discussions

Roche's experimental IgA nephropathy drug sefaxersen met its phase 3 primary endpoint on September 23, cutting proteinuria versus placebo at 37 weeks in the IMAgINATION study. The result, from a prespecified interim look, was strong enough that Roche is taking it to health authorities and planning a medical meeting presentation.

Updated Sep 23

Targeted drug combinations replace chemotherapy for common leukemia

New Capabilities

Oversaw Genentech's role in the venetoclax approval

On February 20, 2026, the FDA approved venetoclax and acalabrutinib for chronic lymphocytic leukemia (CLL), the most common adult leukemia in Western countries, with roughly 23,000 new American cases each year. In a trial of 867 patients, 77% remained cancer-free at three years.

Updated May 29

The BTK inhibitor race for multiple sclerosis

New Capabilities

Overseeing fenebrutinib's path to approval

The FDA rejected Sanofi's tolebrutinib for progressive MS on December 28, 2025—a crushing blow for a drug that had won Breakthrough Therapy status and became the first BTK inhibitor approved anywhere in the world. Meanwhile, Roche's rival drug fenebrutinib is racing toward approval after strong Phase 3 results, and Merck's evobrutinib crashed out entirely. Three pharma giants bet billions that brain-penetrating BTK inhibitors could finally slow the relentless neurodegeneration that leaves MS patients in wheelchairs, and only one looks likely to reach the finish line first.

Updated May 16