Phase 2a Study of BAX69 and 5-FU/Leucovorin or Panitumumab Versus Standard of Care in Subjects With Metastatic Colorectal Cancer



Status:Terminated
Conditions:Colorectal Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:4/17/2018
Start Date:June 15, 2015
End Date:February 15, 2017

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A Phase 2a Randomized, Open-label Study to Assess the Safety, Tolerability, and Efficacy of BAX69 in Combination With 5-FU/Leucovorin or Panitumumab Versus Standard of Care in Subjects With Metastatic Colorectal Cancer

The purpose of this study is to evaluate the safety and tolerability of BAX69 in combination
with 5-fluorouracil (5-FU)/leucovorin (LV) or panitumumab to determine the recommended phase
II dose (RP2D) of each combination; and to compare the efficacy between BAX69 in combination
with 5-FU/LV for subjects with KRAS or NRAS mutated tumor (mt) or panitumumab, for subjects
with KRAS and NRAS wild type tumor (wt) and standard of care (SoC) per investigator choice as
third or fourth treatment line in subjects with progressive measurable metastatic colorectal
cancer (mCRC).


Inclusion Criteria:

1. Provision of a signed informed consent

2. Male and female subjects 18 years of age and older at the time of screening

3. Subjects who progressed after receiving at least 2, but no more than 3, prior SoC
treatment lines

4. Anticipated life expectancy >3 months at the time of screening

5. Weight between 40 kg and 180 kg

6. Histologically or cytologically confirmed diagnosis of CRC

7. Metastatic CRC not amenable to surgical resection

8. Known KRAS and NRAS mutation status (if unknown status for either of these genes, and
no archival tissues is available, a fresh tumor biopsy will be made)

9. At least 1 measurable lesion as defined by RECIST v1.1

10. ECOG PS of 0-2

11. Adequate hematological function, defined as:

1. Platelet count ≥ 100,000/μL

2. Prothrombin time and activated partial thromboplastin time (aPTT) < 1.5 times the
upper limit of normal (ULN)

3. Absolute neutrophil count (ANC) ≥ 1,000/μL

4. Hemoglobin ≥ 9 g/dL, without the need for transfusion in the 2 weeks prior to
screening

12. Adequate renal function, defined as serum creatinine ≤ 2.0 times ULN and creatinine
clearance > 50 mL/min

13. Adequate liver function, defined as:

1. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT)

≤ 2.5 times ULN for subjects without liver metastases, or ≤ 5 times ULN in the
presence of liver metastases

2. Bilirubin ≤ 2.0 times ULN, unless subject has known Gilbert's syndrome

14. Adequate venous access

15. For female subjects of childbearing potential, the subject presents with a negative
serum pregnancy test at screening and agrees to employ 2 forms of adequate birth
control measures, including at least 1 barrier method (eg, diaphragm with spermicidal
jelly or foam, or [for male partner] condom) throughout the course of the study and
for at least 90 days after the last administration of BAX69. Other acceptable
contraceptive measures include birth control pills/patches or intrauterine devices

16. For male subjects, the subject must agree to use adequate contraceptive measures
including at least 1 barrier method (eg, condom with spermicidal jelly or foam and
[for the female partner] diaphragm with spermicidal jelly or foam, birth control
pills/patches, or intrauterine device) and abstain from sperm donation throughout the
course of the study and for at least 90 days after the last administration of BAX69

17. Subject is willing and able to comply with the requirements of the protocol.

Exclusion Criteria:

1. Known central nervous system metastases

2. Prior malignancy(s) within the past 3 years, with the exception of curatively treated
basal or squamous cell carcinoma of the skin, locally advanced prostate cancer, ductal
carcinoma in situ of breast, in situ cervical carcinoma and superficial bladder cancer

3. Prior treatment with panitumumab for subjects with KRAS and NRAS wt tumor

4. Residual AE from previous treatment > Grade 1

5. Prior intolerance to fluoropyrimidine for subjects with KRAS or NRAS mut tumor

6. Myocardial infarction within 6 months prior to C1D1, and/or prior diagnoses of
congestive heart failure (New York Heart Association Class III or IV), unstable
angina, unstable cardiac arrhythmia requiring medication; and/or the subject is at
risk for polymorphic ventricular tachycardia (eg, hypokalemia, family history or long
QT syndrome)

7. Uncontrolled hypertension defined as systolic blood pressure ≥ 160 mmHg and/or
diastolic blood pressure ≥ 100 mmHg confirmed upon repeated measures

8. LVEF < 40% as determined by echocardiogram performed at screening or within 90 days
prior to C1D1

9. QT/QTc interval > 450 msec, as determined by screening ECG performed no earlier than 1
week before C1D1

10. Prior anti-tumor therapy (chemotherapy, radiotherapy, antibody therapy, molecular
targeted therapy, retinoid therapy or hormonal therapy) within 4 weeks prior to C1D1.

11. Major surgery within 4 weeks prior to C1D1

12. Active joint inflammation or history of inflammatory arthritis or other immune
disorder involving joints

13. Active infection involving IV antibiotics within 2 weeks prior to C1D1

14. Known history of, or active hepatitis B virus (HBV), hepatitis C virus (HCV) or active
tuberculosis

15. Known history of human immunodeficiency virus (HIV) type 1/2 or other immunodeficiency
disease

16. Subject has received a live vaccine within 4 weeks prior to C1D1

17. Known hypersensitivity to any component of recombinant protein production by CHO cells

18. Exposure to an investigational product or investigational device in another clinical
study within 4 weeks prior to C1D1, or is scheduled to participate in another clinical
study involving an investigational product or device during the course of this study

19. Subject is nursing or intends to begin nursing during the course of the study

20. Any disorder or disease, or clinically significant abnormality on laboratory or other
clinical test(s) (eg, blood tests, ECG), that in medical judgment of the investigator
may impede the subject's participation in the study, pose increased risk to the
subject, and/or confound the results of the study

21. Subject is a family member or employee of the investigator
We found this trial at
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San Antonio, Texas 78229
Phone: 210-450-5976
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1871 SE Tiffany Ave # 100
Port Saint Lucie, Florida 34952
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Charleston, South Carolina 29425
Phone: 843-792-2478
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Dallas, Texas 75246
Phone: 972-566-3068
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Germantown, Tennessee 38138
Phone: 901-685-5969
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Goshen, Indiana 46526
Phone: 574-364-2439
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Joliet, Illinois 60435
Phone: 815-730-3098
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New York, New York 10003
Phone: 212-844-8133
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940 NE 13th St
Oklahoma City, Oklahoma 73190
(405) 271-6458
Phone: 405-271-8777
University of Oklahoma Health Sciences Center The OU Health Sciences Center is composed of seven...
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Rockville, Maryland 20850
Phone: 240-826-2126
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660 S Euclid Ave
Saint Louis, Missouri 63110
(314) 362-5000
Washington University School of Medicine Washington University Physicians is the clinical practice of the School...
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