Study summary

A bispecific antibody alone beat standard treatment at first relapse

MajesTEC-9 trial · 593 people, phase 3 · Published July 2026, New England Journal of Medicine

69.8%progression-free at 18 months, vs 26.9% with standard treatment

What was tested

Teclistamab, a bispecific antibody that links T cells to myeloma cells, against standard combination therapy, for myeloma after 1 to 3 earlier treatments.

What they found

What it means

Teclistamab alone outperformed standard combination chemotherapy even used this early, though infection risk needs managing.

N Engl J Med, via PubMed ↗ ← Back to the outlook
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.