The BioPharma Docket 5 · Monday, August 10

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An anatomical model of human lungs

Sionna drops cystic fibrosis program after phase 2 study misses

SION-719 did not produce a clinically meaningful improvement when added to Vertex's Trikafta, leading Sionna to end the program and reassess its remaining pipeline.

The 15-patient crossover study produced a placebo-adjusted sweat chloride reduction of 1.0 mmol/L. Sionna had identified a 10 mmol/L improvement as its goal before the readout.

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A patient is positioned inside a medical imaging scanner

FDA rejects ITM radiopharmaceutical over manufacturing deficiencies

The complete response letter for ITM-11 did not identify concerns with the submitted clinical efficacy or safety data, according to the company.

FDA cited chemistry, manufacturing and controls issues and deficiencies at a third-party commercial facility. ITM plans to address the findings and resubmit the application.

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BioPharma Docket reporting is based on company announcements, regulatory documents and the linked coverage. Last updated August 10, 2026 at 11:45 AM ET.

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