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Lenalidomide

Immunologic Factors

Angiogenesis Inhibitors

Growth Inhibitors

Patients diagnosed with high risk Myelodysplastic syndrome (MDS), regardless of 5q deletion status, will receive lenalidomide 15 mg per day orally, on days 1-28 of a 42 day cycle for 2 cycles. At this point, patients meeting protocol specified response criteria will proceed to Continuing Therapy on a reduced dose of lenalidomide until progression.

Patients not achieving response will receive 2 additional cycles of treatment, whereupon response will again be assessed. Patients achieving response at this point will proceed to Continuing Therapy as described.

Patients without evidence of response after 4 cycles will be taken off-study.

Patients diagnosed with high risk Myelodysplastic syndrome (MDS), regardless of 5q deletion status, will receive lenalidomide 50 mg per day orally, on days 1-28 of a 42 day cycle for 2 cycles. At this point, patients meeting protocol specified response criteria will proceed to Continuing Therapy on a reduced dose of lenalidomide until progression.

Patients not achieving response will receive 2 additional cycles of treatment, whereupon response will again be assessed. Patients achieving response at this point will proceed to Continuing Therapy as described.

Patients without evidence of response after 4 cycles will be taken off-study.

Lenalidomide 50 mg

Lenalidomide 15 mg

Amy DeZern, MD

This is a phase II study of lenalidomide in patients with myelodysplastic syndrome (MDS) and with acute myeloid leukemia (AML) with trilineage dysplasia. Patients will receive two cycles of lenalidomide. Patients who respond may given additional cycles of lenalidomide until disease progression.

This is a single center open label phase II study of lenalidomide in IPSS Int-1 with increased blasts or hematologic needs with 5q31.1 deletions who have failed to respond to standard dose lenalidomide., IPSS Int-1 with increased blasts or hematologic needs without 5q31.1 deletions, and Int-2 and high risk myelodysplastic syndrome (MDS) patients with or without 5q31.1 deletions, regardless of whether they have received lenalidomide previously or not. Patients will receive two cycles of 15 mg daily lenalidomide (later amended to 50 mg daily lenalidomide) given on days 1-28 out of a 42 day cycle. Within each of the two cycles of lenalidomide, patients will be given up to three weeks with no drug treatment to recover. Patients who fail to respond after two cycles of treatment may receive two additional cycles if stable. Patients who develop clinical response may continue to receive drug until disease progression.

Trial of High Dose Lenalidomide in Patients With MDS and AML With Trilineage Dysplasia

Phase II Trial of High Dose Lenalidomide in Patients With MDS and AML With Trilineage Dysplasia (AML-TLD)

Number of participants with a complete or partial response according to International Working Group 2006 criteria.

Number of participants who experienced at least one grade 3-4 non-hematological toxicity by CTCAE 3.0 that was attributed to lenalidomide.

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

Due to significant cytopenias in all participants at presentation and throughout the trial, hematologic toxicity was only reported where bone marrow aplasia lasted for \>3 weeks from last dose of lenalidomide with a bone marrow cellularity of \<5% without evidence of leukemia. Adverse events were collected weekly throughout the trial.

Spots Global Cancer Trial Database for lenalidomide 15 mg