Study of Durvalumab (MEDI4736) After Chemo-Radiation for Microsatellite Stable Stage II-IV Rectal Cancer



Status:Recruiting
Conditions:Colorectal Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:2/28/2019
Start Date:May 14, 2018
End Date:December 2019
Contact:Diana Gosik, RN, BS
Email:diana.gosik@nsabp.org
Phone:412-339-5333

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A Phase II Study to Assess the Activity of PD-L1 Inhibition With Durvalumab (MEDI4736) After Chemo-Radiotherapy in Patients With Stage II-IV Microsatellite Stable (MSS) Rectal Cancer

This study is being done to look at the safety and response to the investigational drug
durvalumab (MEDI4736) following chemo-radiation therapy for patients with MSS stage II to IV
rectal cancer. Durvalumab recognizes specific proteins on the surface of cancer cells and
triggers the immune system to destroy the cancer cells. The chemoRT portion of the treatment
will be completed just before the course of durvalumab is initiated.

In order to learn more about certain characteristics of rectal cancer tumors, this study
includes special research tests using samples from diagnostic tumors, a tissue sample from
tumors removed during surgery, fresh tumor samples from an area where the cancer has
recurred, and blood samples.

The FR-2 study is designed as a phase II, open label, single arm study in patients with
microsatellite stable (MSS) stages II-IV rectal cancer, to assess the activity of PD-L1
inhibition with durvalumab (MEDI4736) monotherapy after standard chemo-radiotherapy
(chemoRT). The study's primary aim is to determine the safety and efficacy of durvalumab
immediately following chemoRT in patients undergoing subsequent surgery with stage II-IV
rectal cancer.

One dose of durvalumab will be given every 2 weeks for four total doses beginning within 3-7
days of completing chemoRT. Surgery for all patients must occur within 8−12 weeks of the
final dose of RT. Adjuvant chemotherapy after surgical recovery is at the discretion of the
treating physician.

During a safety run-in, the first 6 patients will be closely followed for 30 days after last
dose of durvalumab without further accrual of patients. Patients will receive durvalumab
(750mg IV infusion once every 2 weeks) for 4 total doses. No other concurrent anti-neoplastic
medications or treatments aside from standard supportive care will be allowed during the
durvalumab treatment phase.

The safety run-in portion of the study will proceed to full enrollment at the proposed study
therapy dose, (750 mg IV infusion every 2 weeks), if one or less dose-limiting toxicity (DLT)
or significant safety concern attributable to durvalumab is identified during the observation
period of the first 6 patients. If there are two or more DLTs, accrual to the study will stop
with reassessment of the protocol.

A total of 47 patients will be enrolled in this study for a sample size of 41 surgically
evaluable patients.

Required tissue and blood samples will be collected at specific time points and submitted for
correlative science studies. Optional tumor and blood samples will be collected from
consenting patients upon disease recurrence or progression.

Inclusion Criteria:

- The ECOG performance status must be 0 or 1

- Patients with biopsy-proven adenocarcinoma, stage II- IV rectal cancer.

- The tumor must have been determined to be mismatch repair proficient or microsatellite
stable through CLIA approved testing (Immunohistochemistry [IHC], polymerase chain
reaction [PCR], or Next-Generation Sequencing [NGS] assays).

- Patients must be candidates for planned surgical resection of their primary rectal
cancer 8 - 12 weeks after completion of neoadjuvant chemoRT, even if stage IV.

- Planned neoadjuvant chemoRT treatment must conform to NCCN guidelines.

- Baseline staging prior to chemoRT initiation must be obtained. If stage IV, there must
be documentation by PET/CT scan, CT scan, or MRI, that the patient has evidence of
measurable distant disease per RECIST 1.1. Note: Patients with stage IV disease should
have limited but measurable metastatic disease (one or two organs involved e.g., liver
and lung) and primary tumor deemed resectable.

- Blood counts performed within 4 weeks prior to study entry must meet the following
criteria:

- ANC must be greater than or equal to 1500/mm3

- Platelet count must be greater than or equal to 75,000/mm3; and

- Hemoglobin must be greater than or equal to 9 g/dL.

- Adequate hepatic function performed within 4 weeks prior to study entry must be met:

- Total bilirubin must be less than or equal to 1.5 x ULN (upper limit of normal)
for the lab unless the patient has a bilirubin elevation greater than 1.5 x Upper
limit of normal (ULN) to 3 x ULN due to Gilbert's disease or similar syndrome
involving slow conjugation of bilirubin; and

- AST and ALT must be less than or equal to 2.5 x ULN for the lab with the
following exception: for patients with documented liver metastases, AST and ALT
must be less than or equal to 5 x ULN.

- Adequate renal function within 4 weeks of study entry, defined as serum creatinine
less than or equal to 1.5 x ULN for the lab. (If creatinine is 1.0-1.5 x ULN, the
creatinine clearance should be greater than 40 mL/min per Cockcroft-Gault formula
(Cockcroft-Gault 1976), or by 24-hour urine collection for determination of creatinine
clearance.)

- Patients with reproductive potential (male/female) must agree to use accepted and
highly effective methods of contraception while receiving durvalumab, and for at least
3 months after the last dose of durvalumab.

- Female patients must either be of non-reproductive potential (i.e., post-menopausal by
history: greater than or equal to 60 years old and no menses for greater than or equal
to 1 year without an alternative medical cause; OR history of hysterectomy, OR history
of bilateral tubal ligation, OR history of bilateral oophorectomy) or must have a
negative serum pregnancy test upon study entry.

Exclusion Criteria:

- Diagnosis of anal or small bowel carcinoma.

- Histopathology other than adenocarcinoma, e.g., sarcoma, lymphoma, carcinoid.

- Previous therapy with any PD1 or PD-L1 inhibitor (including durvalumab) for any
malignancy.

- Completion of pelvic radiotherapy treatment for this current rectal cancer or any
prior pelvic radiotherapy (e.g., prior prostate or cervical cancer therapy).

- Receipt of live attenuated vaccination within 30 days prior to study entry or within
30 days after receiving the last dose of durvalumab.

- Acute or chronic hepatitis B or hepatitis C.

- Known history of human immunodeficiency virus (HIV) or acquired
immunodeficiency-related (AIDS) illnesses.

- History of brain metastases, uncontrolled spinal cord compression, carcinomatous
meningitis, or new evidence of brain or leptomeningeal disease.

- Active infection or chronic infection requiring chronic suppressive antibiotics.

- History of allogeneic organ transplantation.

- Active or prior documented inflammatory bowel disease (e.g., Crohn's disease,
ulcerative colitis).

- Active or prior history of autoimmune or inflammatory condition requiring ongoing
immunosuppressive medications. This specifically includes use of immunosuppressive
medication within 28 days before the first dose of durvalumab with the exceptions of
intranasal corticosteroids or systemic corticosteroids at physiological doses, which
do not exceed 10mg/day of prednisone or an equivalent corticosteroid.

- Any of the following cardiac conditions:

- Documented NYHA Class III or IV congestive heart failure

- Myocardial infarction within 6 months prior to study entry

- Unstable angina within 6 months prior to study entry

- Symptomatic arrhythmia

- Prolonged QTc greater than or equal to 470 ms. If QTc greater than or equal to
470ms, confirmation of eligible QTc requires mean calculation from 2 additional
electrocardiograms (ECGs) 2−5 minutes apart using Fridericia's Correction Formula
(mean less than 470 ms).

- Uncontrolled high blood pressure defined as systolic BP greater than or equal to 150
mmHg or diastolic BP greater than or equal to 100 mmHg with or without
anti-hypertensive medication. Patients with initial BP elevations are eligible if
initiation or adjustment of BP medication lowers pressure to meet entry criteria.

- Ongoing or active gastritis or peptic ulcer disease.

- Active bleeding diatheses which in the opinion of the treating physician poses a
significantly increased operative risk.

- Known history of previous diagnosis of tuberculosis.

- History of hypersensitivity to durvalumab or any excipient.

- Known history of active pneumonia, pneumonitis, symptomatic interstitial lung disease,
or definitive evidence of interstitial lung disease described on CT scan, MRI, or
chest x-ray in asymptomatic patients; dyspnea at rest requiring current continuous
oxygen therapy.

- Other malignancies unless the patient is considered to be disease-free and has
completed therapy for the malignancy greater than or equal to 12 months prior to study
entry. Patients with the following cancers are eligible if diagnosed and treated
within the past 12 months: carcinoma in situ of the cervix, colorectal carcinoma in
situ, melanoma in situ, and basal cell and squamous cell carcinoma of the skin.

- Psychiatric or addictive disorders or other conditions that, in the opinion of the
investigator, would preclude the patient from meeting the study requirements, or
interfere with interpretation of study results.

- Pregnancy or lactation at the time of study entry. (Note: Pregnancy testing should be
performed within 14 days prior to study entry according to institutional standards for
women of childbearing potential.)

- Use of any investigational agent within 4 weeks prior to study entry.
We found this trial at
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New Haven, Connecticut 06520
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Gainesville, Florida 32610
(352) 392-3261
University of Florida The University of Florida (UF) is a major, public, comprehensive, land-grant, research...
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500 S State St
Ann Arbor, Michigan 48109
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Ann Arbor, Michigan 48109
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Belpre, Ohio 45714
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Bethel Park, Pennsylvania 15102
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272 Hospital Rd
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740-779-7500
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111 S Grant Ave
Columbus, Ohio 43215
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Grant Medical Center Founded in 1900 in Columbus' downtown, Grant has grown into one of...
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5100 W Broad St
Columbus, Ohio 43228
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Columbus, Ohio 43215
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561 West Central Avenue
Delaware, Ohio 43015
(740) 615-1000
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905 Medical Park Drive
Effingham, Illinois 62401
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Greensburg, Pennsylvania 15601
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111 Goose Lane
Guilford, Connecticut 06437
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Jefferson Hills, Pennsylvania 15025
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401 Matthew St
Marietta, Ohio 45750
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Marietta Memorial Hospital We are 2,600 strong and the county
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1000 McKinley Park Drive
Marion, Ohio 43302
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Marion, Ohio 43302
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Monroeville, Pennsylvania 15146
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400 Oxford Drive
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1330 Coshocton Ave
Mount Vernon, Ohio 43050
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New Haven, Connecticut 06510
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1320 W Main St
Newark, Ohio 43055
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6 Devine Street
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Pittsburgh, Pennsylvania 15232
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320 E North Ave
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Pittsburgh, Pennsylvania 15237
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Port Clinton, Ohio 45662
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13 Wolf Creek Drive
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Trumbull, Connecticut 06611
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