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Cellectar Biosciences Reports Case Study Highlighting Complete Response Lasting More Than Eight Years in Heavily Pretreated DLBCL Patient Treated with Iopofosine I 131

$CLRBPress releaseOct 27, 2026, 7:15 AM ETRead the release

Cellectar Biosciences reported a case study of a heavily pretreated double-hit DLBCL patient who achieved a complete response lasting more than eight years after a single 57.5 mCi dose of iopofosine I 131. The 53-year-old patient, after four prior therapy lines and a stem cell transplant, showed no disease progression and required no additional anticancer therapy as of May 2026, with expected hematologic toxicities that all resolved.

Key figures

Drug Name
iopofosine I 131
Phase Of Trial
Phase 3
Single dose
57.5 mCi (March 20, 2018)
Duration of response
more than eight years
Fda submission target
first half of 2027
Phase3 wm dosing start
Q1 2027
Prior lines of therapy
4
Target lesion baseline
825 mm³ to 0 mm³ by Day 85
Time to complete response
Day 85

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