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FBRXVery BullishIndustry Newsnews

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FB102 Phase 1b results lift Forte Biosciences and FBRX

Jul 9, 2026, 12:47 PM EDT1 sourcesAI-analyzed

Why it may matterVerify against the original reporting

Strong efficacy signals in a Phase 1b trial, large immediate stock reaction, and a clear path to larger trials suggest meaningful near-term upside, tempered by typical phase-1 risk.

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What happened, with direct paths to the underlying reporting

Forte Biosciences reported positive Phase 1b results for FB102 in facial vitiligo, showing a 21.7% placebo-adjusted FVASI improvement at week 24 and an early signal by day 64. More severe baseline disease yielded greater benefits, with 84% of treated patients improving by week 24 and a favorable safety profile. The data boosted FBRX shares, signaling potential for pivotal trials and nearer-term upside.

FB102 met primary endpoint in Phase 1b facial vitiligo trial.
FVASI improved 29.6% vs 7.9%; placebo-adjusted 21.7% (p=0.020).
Effect appeared by day 64; benefits persisted through week 24.
Severe baseline disease (FVASI>=0.75) showed 43.2% vs 0.5% placebo.
84% FB102-treated improved; 27% placebo worsened; AEs were mild.

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