Safety, Tolerability & PK of KX2-361 in Subjects w Adv. Malignancies Refractory to Conventional Therapies

Completed · Phase 1

Conditions studied: Advance Malignancies

In brief

The purpose of this study is to determine the safety and tolerability of the study drug KX2-361 and to determine how much of the study drug enters the bloodstream, in patients with advanced malignancies that have not responded to conventional therapies.

Key facts

Study ID

NCT02326441

Run by

Athenex, Inc.

People needed

29

Starts

2014-12-01

Expected to finish

2018-05-23

Last updated by the study team

2019-01-15

Who can join

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

You may qualify if…

• Signed written informed consent.
• Adults ≥ 18 years of age.
• Dose Escalation Cohort only:
• Confirmed advanced solid tumor or lymphoma for which standard curative or palliative measures do not exist or are no longer effective; subjects with progressive brain metastases are also eligible.
• OR Confirmed Histological/cytological hematological malignancy that is refractory to/relapsed after and/or intolerant of standard therapies or for which no standard therapy exists.
• OR Confirmed high grade glioma (grade 3and4) that is relapsed/refractory to standard therapies and who have progressive disease following radiation therapy. Patients with any number of prior treatments are allowed.
• Expansion Cohort only:
• Patients with high grade glioma (grade 3 and 4) that are refractory to standard therapies, and who have progressive disease following radiation therapy. Patients with any number of prior treatments are allowed.
• ECOG performance status of 0-2, Karnofsky Performance Status ≥60 (for glioma subjects).
• Life expectancy of at least 12 weeks.
• The following laboratory values:
• ANC ≥ 1.5 x 10⁹/L
• Platelets ≥ 100 x 10⁹/L
• Hemoglobin (Hgb) > 10 g/dL
• Serum total bilirubin ≤ 1.5 x ULN
• ALT and AST ≤ 3.0 x ULN (subjects with known liver metastases may have AST and ALT ≤ 5.0 x ULN)
• Serum creatinine ≤ 1.5 x ULN or calculated creatinine clearance (using Cockcroft and Gault method) > 60 mL/min)
• Willingness to use acceptable birth control. Subjects with the potential for pregnancy or impregnating their partner must agree to follow acceptable birth control methods to avoid conception. Female subjects of child-bearing potential must have a negative pregnancy test.

You may not qualify if…

• Subjects who have not recovered to Grade 0 or 1 toxicity from previous anti-cancer treatments or previous investigational agents.
• Subjects who have received investigational agents within 28 days of the first day of study drug.
• Subjects with primary CNS malignancy other than high grade glioma (Grade 3 or 4)
• Subjects who have received extensive radiation therapy, including sternum, pelvis, scapulae, vertebrae or skull, within 4 weeks of the first day of study drug or received palliative low dose radiation therapy limited to limbs within 1 week of the first day of study drug, or subjects who have not recovered from side effects of such therapy.
• Subjects who are currently taking or have received hormones (eg, estrogen or progesterone) within 7 days the first dose of study drug. Note: Luteinizing hormone-releasing hormone (LHRH) analogs are permissible.
• Subjects who are using moderate or strong CYP450 3A4 modulators (with the exception of antifungal agents listed in Appendix 2) within 5 half-lives before the first dose of study drug.
• Subjects who are using prescription or OTC medications (including, for example, proton pump inhibitors, H2 antagonists or calcium carbonate) that reduce or neutralize gastric acidity within 5 half lives before the first dose of study drug. Use of these medications for supportive care after cycle 1 is permitted.
• Subjects who had major surgery within 4 weeks of the first day of study drug.
• Subjects who had major surgery to the upper gastrointestinal tract, or who have a history of inflammatory bowel disease, malabsorption syndrome, or other medical condition that may interfere with oral drug absorption.
• Subjects with a history of intestinal perforation, colitis, clinically significant gastrointestinal bleeding or intestinal obstruction within one year prior to enrollment.
• Subjects with signs or symptoms of other major diseases including, but not limited to: end organ failure, major chronic illnesses other than cancer, coagulation disorders, hemolytic conditions (eg, sickle cell disease ) or active infections that, in the opinion of the investigator, make it undesirable for the subject to participate in the study.
• Subjects who have a history of major cardiac or neurologic disease including, but not limited to, angina pectoris, symptomatic coronary artery disease, uncontrolled hypertension (at time of study entry), New York Heart Association (NYHA) Class III or IV congestive heart failure, confirmed significant cardiac conduction abnormalities (including QTc > 0.45 sec) or arrhythmias, myocardial infarction within 12 months, cerebrovascular accidents, or transient ischemic attacks.
• Other conditions which could jeopardize the subject's ability to comply with the protocol including but not limited to dementia, psychosis, or other major psychiatric disorder.
• Subjects with a known history of hepatitis B or C or human immunodeficiency (HIV) infection.
• Subjects who require therapeutic doses of anticoagulants.
• Subjects who require the use of granulocyte colony stimulating factors (GCSF) for prophylaxis of neutropenia.

Where it is running

• Roswell Park Cancer Institute — Buffalo, New York, United States
• Cleveland Clinic, Taussig Cancer Institute — Cleveland, Ohio, United States
• UTHSCSA Cancer Therapy and Research Center — San Antonio, Texas, United States

Full record on ClinicalTrials.gov

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