Study of Imprime PGG® in Combination With Cetuximab in Subjects With Recurrent or Progressive KRAS Wild Type Colorectal Cancer



Status:Terminated
Conditions:Colorectal Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:2/1/2017
Start Date:April 2011
End Date:February 2017

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A Phase 3 Open-Label, Randomized, Multicenter Study of Imprime PGG® in Combination With Cetuximab (Erbitux®) in Subjects With Recurrent or Progressive KRAS Wild Type Colorectal Cancer

Study BT-CL-PGG-CRC1031 is a Phase 3, open-label, randomized, multi-center study. Qualified
subjects, who have KRAS wild type (WT) colorectal cancer will be randomized in a 2:1 ratio
to treatment with either Imprime PGG and cetuximab or cetuximab alone. Subjects will be
dosed until progression or discontinuation for some other reason. Efficacy will be assessed
via Response Evaluation Criteria in Early Tumors 1.1 (RECIST 1.1); computed tomography (CT)
scans will be conducted every 6 weeks. Safety, pharmacokinetics (PK), quality of life, and
biomarker parameters will also be assessed.

Study BT-CL-PGG-CRC1031 is a Phase 3, open-label, randomized, multi-center study. Qualified
subjects, who have KRAS WT colorectal cancer will be randomized in a 2:1 ratio to either:

Arm 1: Imprime PGG and cetuximab or Arm 2: Cetuximab

Approximately 795 subjects will be randomized into the study. Dosing will occur in 6-week
cycles. Imprime PGG will be dosed at 4 mg/kg and will be administered weekly in each cycle
(Weeks 1-6/Days 1, 8, 15, 22, 29, and 36) preceding the administration of cetuximab (Arm 1
only). The initial cetuximab dose (both arms) will be 400 mg/m2 on Cycle 1/Day 1 and
subsequent doses will be 250 mg/m2 administered weekly in each cycle (Weeks 1-6/Days 1, 8,
15, 22, 29, and 36).

Subjects will be dosed until progressive disease (PD) per RECIST 1.1 or discontinuation of
study drug for other reasons; e.g., safety. Following completion of the treatment period of
the study, subjects will be monitored for survival until death or loss to follow-up. Tumor
measurements and determination of tumor responses will be evaluated according to RECIST 1.1.
Safety, PK, quality of life, and biomarker parameters will also be assessed.

Inclusion Criteria:

1. Is >18 years old;

2. Has recurrent or metastatic carcinoma of the colon or rectum with documented
histological or cytological confirmation;

3. Must be KRAS WT;

4. Has measurable disease, defined as at least 1 tumor that fulfills the criteria for a
target lesion according to RECIST 1.1;

5. Has never received cetuximab or panitumumab, and has not received any treatment for
colorectal cancer within 30 days prior to the first dose of study treatment under
this protocol;

6. Has an Eastern Cooperative Oncology Group (ECOG) score of 0-1, with a life expectancy
of >3 months;

7. Has received at least 2 prior chemotherapeutic regimens for colorectal cancer;

8. Has adequate bone marrow reserve as evidenced by:

- Absolute neutrophil count ≥1,500/μL

- Platelets ≥100,000/μL;

9. Has adequate renal function as evidenced by serum creatinine ≤2.5 × the upper limit
of normal (ULN) for the reference lab;

10. Has adequate hepatic function as evidenced by:

- Aspartate aminotransferase ≤3 × ULN for the reference lab (≤5 × ULN for subjects
with known hepatic metastases)

- Alanine aminotransferase ≤3 × ULN for the reference lab (≤5 × ULN for subjects
with known hepatic metastases)

- Bilirubin <1.5 mg/dL or direct bilirubin <1.0 mg/dL

- Serum Albumin >3.0 gm/dL

11. Has read, understood and signed the informed consent form (ICF) approved by the
Independent Review Board/Independent Ethics Committee (IRB/IEC); and

12. If the subject is a woman of childbearing potential or a fertile man, he/she must
agree to use an effective form of contraception during the study and for 60 days
following the last dose of study drug (an effective form of contraception is
abstinence, a hormonal contraceptive, or a double-barrier method).

Exclusion Criteria:

1. Has a known hypersensitivity to cetuximab, murine proteins, or any component of
cetuximab;

2. Has a known hypersensitivity to baker's yeast or has an active yeast infection;

3. Has had previous exposure to Betafectin® or Imprime PGG;

4. Has an active, uncontrolled infection;

5. Has known untreated or symptomatic brain metastases;

6. Had a second malignancy within the previous 5 years, except for basal cell carcinoma,
cervical intra-epithelial neoplasia or treated prostate cancer with a
prostate-specific antigen (PSA) of <2.0 ng/mL;

7. Has known human immunodeficiency virus or acquired immune deficiency syndrome,
hepatitis B, hepatitis C, connective tissue disease, or other clinical diagnosis,
ongoing or intercurrent illness that in the Investigators opinion should preclude the
subject from participation;

8. If female, is pregnant or breast-feeding;

9. Is receiving concurrent standard and/or investigational anti-cancer therapy or has
received such therapy within a period of 30 days prior to the first scheduled day of
dosing (investigational therapy is defined as treatment for which there is currently
no regulatory-authority-approved indication); or

10. Has previously received an organ or progenitor/stem cell transplant.
We found this trial at
45
sites
La Jolla, California 92093
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185 Cambridge Street
Boston, Massachusetts 02114
617-724-5200
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115 Business loop 70 w
Columbia, Missouri 65203
(573) 882-2100
Ellis Fischel Cancer Center at University of Missouri - Columbia At Ellis Fischel Cancer Center,...
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Minneapolis, Minnesota 55455
(612) 625-5000
Univ of Minnesota With a flagship campus in the heart of the Twin Cities, and...
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4805 Northeast Glisan Street
Portland, Oregon 97213
(503) 215-1111
Providence Portland Medical Center We strive to give those we serve exceptional, compassionate health care...
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Amarillo, Texas 79106
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Anaheim, California 92801
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Bakersfield, California 93309
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Beech Grove, Indiana 46237
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Bentonville, Arkansas 72703
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450 Brookline Ave
Boston, Massachusetts 2215
617-632-3000
Dana-Farber Cancer Institute Since it’s founding in 1947, Dana-Farber has been committed to providing adults...
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Burbank, California 91505
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Denton, Texas 76210
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Detroit, Michigan 48202
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East Syracuse, New York 13057
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Florence, Alabama 35630
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Fort Worth, Texas 76104
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Galesburg, Illinois 61401
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Germantown, Tennessee 38138
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Honolulu, Hawaii 96813
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Hudson, New York 12534
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Knoxville, Tennessee 37920
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Lewisville, Texas 75067
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Los Angeles, California 90057
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Miami Gardens, Florida 33169
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Middletown, Ohio 45042
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New Orleans, Louisiana 70121
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Newport News, Virginia 23606
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Niles, Illinois 60714
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Ogden, Utah 84403
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Orlando, Florida 32806
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Round Rock, Texas 78665
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100 NE Loop 410; Suite 600
San Antonio, Texas 78216
210-424-1600
Cancer Care Centers of South Texas At Cancer Care Centers of South Texas, we are...
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Sherman, Texas 75090
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Spartanburg, South Carolina 29307
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Tyler, Texas 75702
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