Regorafenib in Reducing Recurrence in Patients With Non-metastatic Rectal Cancer Who Have Completed Curative-Intent Treatment



Status:Recruiting
Conditions:Colorectal Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:7/28/2016
Start Date:March 2015

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(Bayer Study ONC-2013-036) A Phase II Single-Arm Study of Regorafenib Maintenance Therapy in Patients With T3, T4 or Node-Positive Rectal Cancer Patients Who Completed Curative-Intent Treatment

This phase II trial studies how well regorafenib works in reducing the return of disease in
patients with rectal cancer that has not spread to another place in the body who have
completed curative-intent treatment. Regorafenib may stop the growth of tumor cells by
blocking some of the enzymes needed for cell growth. Regorafenib may also help keep cancer
from coming back after it has disappeared following the initial therapy.

PRIMARY OBJECTIVES:

I. To determine the 3-year disease free survival in patients with T3, T4 or node-positive
rectal adenocarcinoma who received regorafenib maintenance therapy following the completion
of curative-intent standard treatment.

SECONDARY OBJECTIVES:

I. To determine the cumulative incidence of local recurrence, distant recurrence and overall
survival at 3 years.

II. To explore for biomarkers associated with anti-cancer effects of regorafenib maintenance
therapy in curatively treated rectal cancer patients by analyzing tumor and blood samples.

OUTLINE:

Patients receive regorafenib orally (PO) once daily (QD) on days 1-21. Treatment repeats
every 28 days for up to 24 courses in the absence of disease progression or unacceptable
toxicity.

After completion of study treatment, patients are followed up at 30 days and then every 4
months for up to 5 years.

Inclusion Criteria:

- Histologically or cytologically confirmed adenocarcinoma of the rectum that was
clinically staged T3, T4 or node-positive (defined as >= N1 per American Joint
Committee on Cancer [AJCC] 7th edition) that was treated with the following treatment
with curative intent:

- Curative surgical resection

- Pre- or post-operative chemoradiation; and at least 3 months of adjuvant
systemic chemotherapy (equivalent to 6 cycles of leucovorin calcium,
fluorouracil, and oxaliplatin [FOLFOX] or infusional fluorouracil [5FU])

- No evidence of cancer within 28 days prior to start of study treatment; this should
be determined by imaging of the chest, abdomen and pelvis by computed tomography (CT)
and/or magnetic resonance imaging (MRI); staging of the chest using chest x-ray in
lieu of CT and/or MRI should not be used for this purpose

- Have an Eastern Cooperative Oncology Group (ECOG) performance status of =< 1

- Consent to allowing his/her archival tumor tissues to be requested and analyzed;
however, the non-availability or inadequate amount samples for analysis will not
exclude the patient

- Platelet count >= 100,000/mm^3; blood transfusion to meet the inclusion criteria will
not be allowed

- Hemoglobin (Hb) >= 9 g/dL; blood transfusion to meet the inclusion criteria will not
be allowed

- Absolute neutrophil count (ANC) 1500/mm^3; blood transfusion to meet the inclusion
criteria will not be allowed

- Total bilirubin =< 1.5 x the upper limits of normal (ULN)

- Alanine aminotransferase (ALT) and aspartate amino-transferase (AST) =< 2.5 x ULN

- Alkaline phosphatase limit =< 2.5 x ULN

- Lipase =< 1.5 x the ULN

- Serum creatinine =< 1.5 times the ULN

- International normalized ratio (INR) of prothrombin time (PT; PT-INR) and activated
partial thromboplastin time (aPTT) =< 1.5: subjects who are prophylactically treated
with an agent such as warfarin or heparin will be allowed to participate provided
that no prior evidence of underlying abnormality in coagulation parameters exists per
medical history; close monitoring of at least weekly evaluations will be performed
until INR/PTT is stable based on a measurement that is pre-dose as defined by the
local standard of care

- Women of childbearing potential must have a negative serum pregnancy test performed
within 7 days prior to the start of study drug; post-menopausal women (defined as no
menses for at least 1 year) and surgically sterilized women are not required to
undergo a pregnancy test

- Patients of child-bearing potential must agree to use adequate contraceptive methods
(e.g., hormonal or barrier method of birth control; abstinence) prior to study entry
and, until at least 3 months after the last dose of the study drug; should a woman
become pregnant or suspect she is pregnant while she or her partner is participating
in this study, she should inform her treating physician immediately

- Patient is willing and able to take oral medications and to comply with scheduled
visits, treatment plan, and study related procedures

Exclusion Criteria:

- Evidence of recurrence of rectal cancer prior to the start of study treatment

- Any previously untreated or concurrent cancer that is distinct in primary site or
histology from rectal cancer except cervical cancer in-situ, treated basal cell
carcinoma, or superficial bladder tumor; subjects surviving a cancer that was
curatively treated and without evidence of disease for more than 3 years before
starting study drug are allowed; all cancer treatments must be completed at least 3
years prior to study entry (i.e., signature date of the informed consent form)

- Anti-cancer therapy (chemotherapy, radiation therapy, surgery, immunotherapy,
biologic therapy, or tumor embolization) within 4 weeks prior to entering the study
(signing of consent form) or those who have not recovered from adverse events due to
agents administered more than 4 weeks earlier; patients on hormonal or bisphosphonate
treatment for non-cancer related conditions are eligible

- Inability to start study treatment within 12 weeks following the completion of
curative intent therapy for rectal adenocarcinoma

- Major surgical procedure, open biopsy, or significant traumatic injury within 28 days
before start of study medication; minor procedures such as diagnostic laparoscopy,
percutaneous biopsy and paracentesis within 14 days before start of study medication

- Patients who have not recovered from the surgical resection of rectal cancer such as
wound dehiscence, non-healing wound, wound infection and fistula

- Prior use of regorafenib

- Gastrointestinal conditions that may significantly affect the absorption of
regorafenib

- Uncontrolled hypertension (systolic pressure > 140 mmHg or diastolic pressure > 90
mmHg on repeated measurement) despite optimal medical management

- Evidence or history of bleeding diathesis or coagulopathy

- Any hemorrhage or bleeding event >= Common Terminology Criteria for Adverse Events
(CTCAE) grade 3 within 4 weeks prior to start of study medication

- Have had arterial or venous thrombotic or embolic events such as cerebrovascular
accident (including transient ischemic attacks), deep vein thrombosis, or pulmonary
embolism within 3 months prior to the initiation of study treatment

- Patients with phaeochromocytoma

- Known history of human immunodeficiency virus (HIV) infection or current chronic or
active hepatitis B or C infection requiring treatment with antiviral therapy

- Ongoing infection > CTCAE grade 2

- Patients with seizure disorder requiring medication

- Interstitial lung disease with ongoing signs and symptoms at the time of informed
consent

- Pleural effusion or ascites that causes respiratory compromise (>= grade 2 dyspnea
CTCAE)

- History of organ allograft (including corneal transplant)

- Pregnant or nursing female patients

- Uncontrolled intercurrent illness including, but not limited to, ongoing or active
infection, symptomatic congestive heart failure (New York Heart Association > class
II), unstable angina pectoris (defined as anginal symptoms at rest, new-onset angina
within 3 months before study treatment initiation, or myocardial infarction within 6
months before study treatment initiation), cardiac arrhythmia (which require
anti-arrhythmic therapy other than beta blockers or digoxin), active coronary artery
disease, or psychiatric illness/social situations that would limit compliance with
study requirements

- Known or suspected allergy or hypersensitivity to any of the study drugs, study drug
classes, or excipients in the formulation of the study drugs

- Therapeutic anticoagulation with vitamin-K antagonists (e.g., warfarin) or with
heparins and heparinoids; however, prophylactic anticoagulation as described below is
allowed:

- Low dose warfarin (1 mg orally, once daily) with PT-INR =< 1.5 is permitted;
infrequent bleeding or elevations in PT-INR have been reported in some subjects
taking warfarin while on regorafenib therapy; therefore, subjects taking
concomitant warfarin should be monitored regularly for changes in PT, PT-INR or
clinical bleeding episodes

- Low dose aspirin (=< 100 mg daily)

- Prophylactic doses of heparin

- Are taking strong cytochrome P (cytochrome P450, family 3, subfamily A, polypeptide 4
[CYP3A4]) inhibitors (e.g., clarithromycin, indinavir, itraconazole, ketoconazole,
nefazodone, nelfinavir, posaconazole, ritonavir, saquinavir, telithromycin,
voriconazole) or strong CYP3A4 inducers (e.g., carbamazepine, phenobarbital,
phenytoin, rifampin, St. John's wort/Hypericum perforatum)

- Unwilling or unable to follow protocol requirements

- Any condition which in the investigator's opinion deems the patient an unsuitable
candidate to receive study drug

- Substance abuse, medical, psychological or social conditions that may interfere with
the subject's participation in the study or evaluation of the study results
We found this trial at
3
sites
Rocherster, New York 14642
Phone: 585-276-4447
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Rocherster, NY
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666 Elm Street
Buffalo, New York 14263
(716) 845-2300
Principal Investigator: Wen Wee Ma
Phone: 877-275-7724
Roswell Park Cancer Institute Welcome to Roswell Park Cancer Institute (RPCI), America's first cancer center...
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Buffalo, NY
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Columbus, Ohio 43210
Principal Investigator: Christina S. Wu
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Columbus, OH
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