| Exclusion Criteria: | 1) Known or suspected involvement of the CNS;
2) Chemotherapy (in the case of nitrosoureas and mitomycin C within 6 weeks), radiotherapy, immunotherapy or treatment with investigative agent within 3 weeks before study drug administration (except hydroxyurea which should be stopped at least 24 hours prior to first dose);
3) Unstable angina, or myocardial infarction within the preceding 12 months; congestive heart failure New York Heart Association (NYHA) Class II-IV (see Attachment 4); history of any of the following: sustained ventricular tachycardia, ventricular fibrillation, torsades de pointes, cardiac arrest, Mobitz II second degree heart block, or third degree heart block; known presence of dilated, hypertrophic, or restrictive cardiomyopathy;
4) Continued from #3: family history of short QT syndrome, long QT syndrome,sudden unexplained death at a young age (less than/equal to 40 years), drowning or sudden infant death syndrome in a first degree relative (i.e., biological parent, sibling, or child); obligate use of a cardiac pacemaker, QTc at screening > 450 ms in males / > 470 ms in females; or any other cardiac abnormality that, in the opinion of the investigator, medical monitor, or consultant cardiologist, may place the subject at an unacceptably increased risk with study drug;
5) Receiving medications known to have a risk of causing QTc prolongation and torsades de pointes.
6) Grade >1 neuropathy at baseline;
7) Females who are pregnant or breast-feeding;
8) Subjects previously treated with an HDAC inhibitor (e.g. vorinostat, MS 275, LBH-589, depsipeptide, MGCD1003, PXD101, other) are excluded from the Part II Expansion Phase of the study;
9) Uncontrolled intercurrent illness including, but not limited to, poorly controlled hypertension or diabetes, ongoing active infection, psychiatric illness, or social situation that may potentially impair subject's compliance with study procedures;
10) Not recovered from reversible toxicity of prior anticancer therapy (except toxicities which are not clinically significant such as alopecia, skin discoloration);
11) Any other medical condition that in the opinion of the Investigator makes it undesirable for a patient to participate; |