Last updated on April 2017

Early Phase Evaluation of ABC294640 in Patients With Refractory/Relapsed Diffuse Large B-cell Lymphoma or Kaposi Sarcoma


Brief description of study

This is a sequential Phase I and IIa study to identify the maximum tolerated dose and to evaluate safety, tolerability, toxicity, pharmacokinetics and pharmacodynamics of the oral sphingosine kinase inhibitor ABC294640 specifically in patients with diffuse large B-cell lymphoma (DLBCL), including virus-associated (e.g., KSHV- or EBV-associated) DLBCL or Kaposi Sarcoma (KS) after failure of or intolerance to initial standard therapy.

Detailed Study Description

Sphingosine Kinase (SK) is an innovative target for anti-cancer therapy due to its critical role in lipid metabolism which drives cancer cell growth. We have found that the SK inhibitor ABC294640 (which is formulated for clinical use as an oral agent) significantly inhibits and reverses progression of virus-associated DLBCL in pre-clinical animal models [Qin et a., 2014]. In addition, we have found that ABC294640 selectively induces death for virus-infected endothelial cells in a laboratory model relevant to KS, with selective sparing of uninfected cells [Dai et al., 2014; Dai et al., 2015]. Both DLBCL and KS disproportionately impact patients with immune-deficiencies, including HIV infection, for whom standard chemotherapeutic approaches are less effective and incur greater side effects. Therefore, this trial which utilizes a well-tolerated, oral agent to inhibit SK for DLBCL and KS patients may provide a unique approach to treatment.

Clinical Study Identifier: NCT02229981

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Suki Subbiah, MD

Louisiana State University Health Sciences Center
New Orleans, LA United States
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