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RYBREVANT FASPRO™ (amivantamab and hyaluronidase-lpuj) combination demonstrates 77% overall response rate in first-line treatment of patients with advanced head and neck cancer

$JNJPress releaseOct 25, 2026, 9:45 AM ETRead the release

Johnson & Johnson announced Phase 1b/2 OrigAMI-4 Cohort 5 results showing subcutaneous amivantamab (RYBREVANT FASPRO) plus pembrolizumab and carboplatin achieved a 77% confirmed overall response rate in first-line recurrent/metastatic HNSCC outside HPV-associated oropharyngeal cancer, with 14% complete responses. Responses were durable, with 65% ongoing at a median follow-up of 10.6 months and 77% of patients alive at one year; safety was consistent with the individual agents and no Grade 3+ administration-related reactions occurred.

Key figures

Drug Name
RYBREVANT FASPRO (amivantamab and hyaluronidase-lpuj)
Phase Of Trial
Phase 1b/2 (Cohort 5 of OrigAMI-4); pivotal Phase 3 OrigAMI-5 ongoing
One year survival
77%
Responses ongoing
65% at median follow-up of 10.6 months
Efficacy population n
29
Overall response rate
77%
Partial response rate
64%
Complete response rate
14%
Hnscc non hpv cohort n
22
Hpv associated opscc orr
29%

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