Effect of Food and Antacid on BIIB021 With Advanced Solid Tumors

Inclusion Criteria:

• Subjects with histologically or cytologically confirmed solid tumors who have failed or are not candidates for standard therapies or for whom no approved therapy is available.
• Eastern Cooperative Oncology Group (ECOG) performance status of greater or equal to 2.
• Medically able to tolerate a high fat meal and to fast as per protocol.
• Expected survival time of at least 3 months in the opinion of the Investigator.
• Ability to take ranitidine as per protocol.
• Must be able to swallow and retain oral medication.
• Lab values consistent with adequate renal, hepatic, and bone marrow functions.
• Electrocardiogram (ECG) with QTc of ≤450 msec for men or ≤470 msec for women and no clinically significant findings.

Exclusion Criteria:

• Pregnant (positive pregnancy test) or nursing women.
• Previous treatment with an Hsp90 inhibitor.
• Use of antacids within 7 days of Study Day 1.
• Prior antitumor therapies, including prior experimental agents or approved antitumor therapies within 28 days of the first dose of BIIB021.
• Major surgery or radiation within 28 days of the first dose of BIIB021.
• Uncontrolled, severe medical illness, which in the opinion of the Investigator and/or Sponsor could compromise protocol objectives.
• History of gastrectomy or major surgery to small intestine.
• History of exocrine pancreatic insufficiency.
• Chronic diarrhea (excess of 2 to 3 stools/day above normal frequency).
• Active bacterial or viral infection requiring concurrent treatment.
• History of hepatitis B or C or human immunodeficiency virus.
• History of central nervous system metastasis.
• Any thrombotic event occurred <3 months prior to Day 1.
• Conditions that may predispose subjects to seizures: History of seizure, previous significant head trauma
• Drug or alcohol abuse.