Phase I Trial of Oral PX-866

Completed · Phase 1

Conditions studied: Advanced Solid Tumors

In brief

This study is being conducted to determine the safety and maximally tolerated dose of PX-866 when given orally on two different schedules: daily on days 1-5 and 8-12 of a 28 day cycle and daily on days 1-28 of a 28 day cycle.

Key facts

Study ID

NCT00726583

Run by

Cascadian Therapeutics Inc.

People needed

90

Starts

2008-06-01

Expected to finish

2011-09-01

Last updated by the study team

2018-05-17

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Histologically or cytologically confirmed diagnosis of advanced solid tumor and has failed or is intolerant of standard therapy, or for whom standard therapy does not exist.
• 18 years of age or older.
• ECOG performance status 0 to 1.
• Predicted life expectancy of at least 12 weeks.
• Discontinued prior chemotherapy or other investigational agents for at least three weeks prior to receiving the first dose of study drug (six weeks for mitomycin C, nitrosureas,vaccines,or antibody therapy)and recovered from the toxic effects of the prior treatment (recovered to baseline or ≤grade 1 per Common Toxicity Criteria for Adverse Events (CTCAE)).
• Discontinued any radiation therapy for at least four weeks and have recovered from all radiation-related toxicities (recovered to baseline or ≤CTCAE grade 1) prior to receiving the first dose of study drug. Palliative radiation of 10 fractions or less is permitted and a four week interval is not necessary (also allowed during therapy).
• Adequate hematologic function as defined by the following: WBC count >3,000 cells/μL; platelets >100,000/μL; hemoglobin >9 g/dL (may be transfused to this level); ANC >1500 cells/μL.
• Adequate hepatic function as defined by the following: bilirubin <1.5 mg/dL; aspartate aminotransaminase (AST/SGOT) \& alanine aminotransferase (ALT/SGPT) <2.5 x ULN or <5 x ULN if due to metastatic disease.
• Adequate renal function as defined by serum creatinine level <1.5 mg/dL.

You may not qualify if…

• Any active infection at study entry.
• Known diabetes or fasting blood glucose>160 mg/dL.
• Known human immunodeficiency virus (HIV).
• Any serious concomitant systemic disorders that in the opinion of the investigator would place the patient at excessive or unacceptable risk of toxicity.
• Surgery within the four weeks prior to the first dose
• Significant central nervous system (CNS) or psychiatric disorder(s) that preclude the ability of the patient to provide informed consent.
• Known or suspected brain metastases that have not received adequate therapy or for which the patient requires treatment with steroids or anticonvulsants. In the case of previously treated brain metastases, a minimum four week interval between completion of radiation therapy and registration on study with radiologic evidence of stable or responding brain metastases is required. In the setting of previous CNS metastasectomy, adequate (minimum four week) recovery from surgery and/or radiation therapy should be documented.
• Leptomeningeal brain metastases should be excluded regardless of whether the metastases have been treated or not.
• History of seizures, non-healing wounds, or arterial thrombosis.
• Unstable atrial or ventricular arrhythmias requiring control by medication; any cardiac ischemic event experienced within the preceding six months; prior history of congestive heart failure requiring therapy.
• Breastfeeding or pregnant (confirmed by serum β-HCG within 10 days prior to the start of study treatment if applicable).
• Total gastrectomy, partial bowel obstruction or any gastrointestinal condition that may interfere with absorption of the study medication.
• Any condition that could jeopardize the safety of the patient and compliance with the protocol.

Where it is running

• University of Colorado Health Sciences Center — Aurora, Colorado, United States
• M.D. Anderson Cancer Center — Houston, Texas, United States

Full record on ClinicalTrials.gov

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