OnCo
trialsTrialPositive

SOHO-01

SOHO-01 is the study behind the second oral HER2 pill for lung cancer, approved in November 2025.

ORR ~64% in previously treated HER2-mutant NSCLC (higher in HER2-directed-therapy-naive patients); accelerated approval 20 November 2025. A first-line supplemental application received priority review in 2026.

Setting
HER2-mutant NSCLC, previously treated and treatment-naive: sevabertinib single arm
Phase
Phase 1/2
Sponsor
Bayer
Registry
Headline result
ORR ~64%; accelerated approval Nov 2025.
Reported
2025
Enrolled
407
Replication
Single-arm pivotal; consistent with zongertinib (Beamion LUNG-1, ORR 71%) for oral HER2 inhibition.

Outcomes

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In plain words
What these results mean for people, not percentages
407 people took part
Objective response rate, HER2-mutant NSCLC after platinum (Cohort D)primaryresponse endpoint
  • 70.5 out of 100 people had their tumour shrink with Sevabertinib 20 mg.
  • There was no comparison group, so this number cannot tell you how much of the effect is due to the treatment.
  • A response rate counts how many people had their tumours shrink by a set amount; shrinking is encouraging but does not by itself show that people live longer or feel better.
  • These results apply to the people the trial enrolled: HER2-mutant NSCLC, previously treated and treatment-naive: sevabertinib single arm. People in a different situation may not see the same effect.
  • The trial selected people by a biomarker (HER2); the result should not be assumed for people whose cancer does not have it.

Numbers are from the trial as recorded here; see the source links in the table below. This is orientation, not medical advice: ask your team how closely the trial population matches you.

407 participants enrolled.

Objective response rate, HER2-mutant NSCLC after platinum (Cohort D)primary
Sevabertinib 20 mg70.5 of 100
Source
EndpointArmnValueHR (95% CI)pSource
Objective response rate, HER2-mutant NSCLC after platinum (Cohort D)primarySevabertinib 20 mg70.5%link
Replication
Single-arm pivotal; consistent with zongertinib (Beamion LUNG-1, ORR 71%) for oral HER2 inhibition.

Connected

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