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Safety Study of PLX108-01 in Patients With Solid Tumors

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01004861
Recruitment Status : Active, not recruiting
First Posted : October 30, 2009
Last Update Posted : February 25, 2019
Information provided by (Responsible Party):

Brief Summary:
PLX3397 is a selective inhibitor of Fms, Kit, and oncogenic Flt3 activity. The primary objective of this study is to evaluate the safety and pharmacokinetics of orally administered PLX3397 in patients with advanced, incurable, solid tumors in which these target kinases are linked to disease pathophysiology. The secondary objective is to measure the pharmacodynamic activity of PLX3397 via blood, plasma and urine biomarkers of Fms activity.

Condition or disease Intervention/treatment Phase
Solid Tumor Drug: PLX3397 Phase 1

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 132 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 1 Study to Assess Safety, Pharmacokinetics, and Pharmacodynamics of PLX3397 in Patients With Advanced, Incurable, Solid Tumors in Which the Target Kinases Are Linked to Disease Pathophysiology
Study Start Date : October 2009
Actual Primary Completion Date : March 2017
Estimated Study Completion Date : September 2020

Arm Intervention/treatment
Experimental: PLX3397 Drug: PLX3397
Capsules administered once or twice daily, continuous dosing

Primary Outcome Measures :
  1. Safety: subject incidence of adverse events, first-cycle DLTs and clinically significant changes in vital signs, ECGs and clinical laboratory tests [ Time Frame: till end of study ]

Secondary Outcome Measures :
  1. PK profile: PLX3397 PK parameters including, but not limited to, maximum observed concentration (Cmax), area under the plasma concentration-time curve and half-life [ Time Frame: till end of study ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Age 18 and older
  • Solid tumors refractory to standard therapy
  • For the Extension cohorts, patients must have measurable disease by RECIST criteria and meet the following disease-specific criteria:

    • For advanced or recurrent mucoepidermal carcinoma (MEC) of the salivary gland, patients must not be candidates for curative surgery or radiotherapy.
    • For pigmented villo-nodular synovitis (PVNS), patients must have a histologically confirmed diagnosis of inoperable progressive or relapsing PVNS, or resectable tumor requesting mutilating surgery, as well as demonstrated progressive disease in the last 12 months.
    • For gastrointestinal stromal tumors (GIST), patients must have failed previous therapy with imatinib and sunitinib. Patients with known PDGFR mutations are excluded, but mutation testing is not required for study entry.
    • For anaplastic thyroid cancer (ATC), patients must have histologically or cytologically diagnosed advanced ATC.
    • For metastatic solid tumors with documented malignant pleural and/or peritoneal effusions, patients must not be receiving specific therapy for the effusion or have an indwelling drain.
  • ECOG performance status 0 or 1
  • Life expectancy >= 3 months
  • Adequate hepatic, renal, and bone marrow function

Exclusion Criteria:

  • Specific anti-cancer therapy within 3 weeks of study start
  • Uncontrolled intercurrent illness
  • Refractory nausea or vomiting, or malabsorption
  • Mean QTc >= 450 msec (for males) or QTc >= 470 msec (for females)

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01004861

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United States, Arizona
Scottsdale, Arizona, United States, 85258
United States, California
Los Angeles, California, United States, 90404
United States, Colorado
Rocky Mountain Cancer Centers
Denver, Colorado, United States, 80218
United States, Massachusetts
Massachusetts General Hospital
Boston, Massachusetts, United States, 02114
Dana Farber Cancer Institute
Boston, Massachusetts, United States, 02115
United States, Nevada
Comprehensive Cancer Centers of Nevada
Las Vegas, Nevada, United States, 89169
United States, New York
Memorial Sloan-Kettering Cancer Center (MSKCC)
New York, New York, United States, 10065
United States, Pennsylvania
Pennsylvania Oncology Hematology Associates
Philadelphia, Pennsylvania, United States, 19106
Fox Chase Cancer Center
Philadelphia, Pennsylvania, United States, 19111
United States, Tennessee
Vanderbilt-Ingram Medical Center
Nashville, Tennessee, United States, 37232
United States, Texas
Texas Oncology, PA (North)
Dallas, Texas, United States, 75246
United States, Virginia
Virginia Oncology Associates
Norfolk, Virginia, United States, 23502
United States, Washington
Evergreen Hematology & Oncology
Spokane, Washington, United States, 99218
Sponsors and Collaborators