A Study of PLX51107 in Advanced Malignancies

Stopped early · Phase 1

Conditions studied: Solid Tumors, Acute Myeloid Leukemia, Myelodysplastic Syndrome, Non-Hodgkin's Lymphoma

In brief

The purpose of this research study is to evaluate safety, pharmacokinetics, pharmacodynamics, and preliminary efficacy of the investigational drug PLX51107 in subjects with advanced solid tumors (including lymphoma), and advanced hematological malignancies

Key facts

Study ID

NCT02683395

Run by

Plexxikon

People needed

50

Starts

2016-03-01

Expected to finish

2018-09-01

Last updated by the study team

2018-12-24

Who can join

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

You may qualify if…

• Confirmed diagnosis of a relapsed or refractory malignancy in 1 of 2 treatment groups:
• Group A: Subjects with any solid tumor (including lymphomas).
• Group B: Subjects with relapsed or refractory AML, Subjects with relapsed or refractory high-risk MDS, defined as revised International Prognostic Scoring System (IPSS-R) intermediate or greater disease.
• Age ≥18 years.
• Eastern Cooperative Oncology Group (ECOG) performance status 0 to 2.
• Life expectancy ≥3 months in the judgment of the investigator.
• Adequate organ function.
• Group A subjects must have measurable or evaluable disease per the appropriate disease criteria.
• Women of child-bearing potential must have a negative serum pregnancy test at Screening and must agree to use an effective form of contraception from the time of the negative pregnancy test up to 6 months after the last dose of study drug. Effective forms of contraception include abstinence, hormonal contraceptive in conjunction with a barrier method, or a double barrier method. Women of non-child-bearing potential may be included if they are either surgically sterile or have been postmenopausal for ≥1 year.
• Fertile men must agree to use an effective method of birth control during the study and for up to 6 months after the last dose of study drug.
• All associated clinically significant toxicity from previous cancer therapy must be resolved (to ≤Grade 1 or baseline) prior to study treatment administration (Grade 2 alopecia is allowed).
• Willingness and ability to provide written informed consent prior to any study-related procedures and to comply with all study requirements.

You may not qualify if…

• Prior exposure to a bromodomain inhibitor, such as OTX-015 or CPI-0610.
• Allogenic or autologous transplant for hematological malignancy with infusion of stem cells within 90 days before Cycle 1 Day 1, or on active immunosuppressive therapy for graft-versus-host disease (GVHD) or GVHD prophylaxis within 2 weeks of Cycle 1 Day 1.
• Known uncontrolled fungal, bacterial, and/or viral infection ≥Grade 2.
• Uncontrolled autoimmune hemolytic anemia or thrombocytopenia.
• For Group A: Subjects with a history of brain metastases are ineligible. This includes previously treated brain metastases. For Group B (subjects with AML): Active symptomatic CNS involvement of AML. Subjects with previously treated leptomeningeal disease that has been effectively treated are eligible.
• A diagnosis of acute promyelocytic leukemia (APL) or chronic myeloid leukemia (CML) in blast crisis.
• Known or suspected allergy to the investigational agent or any agent given in association with this trial.
• Women who are pregnant or are breast feeding.
• Clinically significant cardiac disease
• Inability to take oral medication or significant nausea and vomiting, malabsorption, or significant small bowel resection that, in the opinion of the Investigator, would preclude adequate absorption.
• Subject with known human immunodeficiency virus (HIV), hepatitis B virus (HBV), or hepatitis C virus (HCV) infection or is known to be a carrier of hepatitis B or C.
• Strong CYP3A4 and CYP2C8 inhibitors or inducers or CYP3A4 substrate drugs with a narrow therapeutic range taken within 14 days or 5 drug half-lives before start of study drug.
• Active secondary malignancy
• Major surgery or significant traumatic injury within 14 days prior to therapy
• Receipt of anti-cancer therapy 14 days prior to Cycle 1 Day 1
• Presence of any other medical, psychological, familial, sociological, or geographic condition potentially hampering compliance with the study protocol Subjects who are participating in any other therapeutic clinical study (observational or registry trials are allowed).
• Subjects who have Burkitt's lymphoma or Burkitt-like lymphoma.
• Subjects on active anticoagulation therapy including warfarin, factor Xa inhibitors, thrombin inhibitors, or heparin.
• Subjects with documented hepatic metastases involving >50% of the hepatic parenchyma.

Where it is running

• Columbia University Medical Center — New York, New York, United States
• The Ohio State University Stephanie Spielman Comprehensive Breast Center — Columbus, Ohio, United States
• Thomas Jefferson University — Philadelphia, Pennsylvania, United States
• MUSC/ Hollings Cancer Center — Charleston, South Carolina, United States
• South Texas Accelerated Research Therapeutics — San Antonio, Texas, United States

Full record on ClinicalTrials.gov

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