Cellectar Biosciences, Inc. (CLRB) on Tuesday announced positive 12-month follow-up data from its Phase 2b CLOVER WaM study evaluating iopofosine I 131 in patients with Waldenström acroglobulinemia, a rare, slow-growing blood cancer.
The updated dataset, which includes at least 12 months of follow-up for all enrolled patients as requested by the U.S. Food and Drug Administration, showed an overall response rate of 83.6%, while the major response rate reached 61.8%, meeting the study's primary endpoint.
Separately, the company said it has entered into securities purchase agreements with certain institutional investors and members of management to issue and sell up to $140 million in shares.
The financing is expected to support a confirmatory study and the filing of a New Drug Application seeking accelerated approval of iopofosine I 131 for the treatment of Waldenström macroglobulinemia with the FDA.
The company's shares were more than 80% up in pre-market trading after closing at $2.83 on Monday.
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May 15, 2026 15:25 ET Apart from the confirmation of Kevin Warsh as the next Fed chair, the main news on the economics front this week included key price data from the U.S. and the first quarter economic growth figures from major economies. Both consumer prices and producer costs have started to reflect the effect of supply shocks due to the Middle East conflict. In Europe, GDP data was in focus, while inflation data from China dominated the news flow in Asia.