BL22 Immunotoxin in Treating Patients Previously Treated With Cladribine for Hairy Cell Leukemia

Summary

RATIONALE: The BL22 immunotoxin can locate tumor cells and kill them without harming normal cells. This may be an effective treatment for hairy cell leukemia that has not responded to treatment with cladribine. PURPOSE: This phase II trial is studying BL22 immunotoxin to see how well it works in treating patients previously treated with cladribine for hairy cell leukemia.

Timeline

Start

2003-10

Primary completion

2007-04

Completion

2008-07

Publications

• Matsushita K, Margulies I, Onda M, Nagata S, Stetler-Stevenson M, Kreitman RJ. Soluble CD22 as a tumor marker for hairy cell leukemia. Blood. 2008 Sep 15;112(6):2272-7. doi: 10.1182/blood-2008-01-131987. Epub 2008 Jul 2.

Drugs

Indications