Pembro/Carbo/Taxol in Endometrial Cancer



Status:Recruiting
Conditions:Cervical Cancer, Cancer, Endometrial Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:3/13/2019
Start Date:August 22, 2017
End Date:December 2019
Contact:Dylan Cregar
Email:dcregar@hoosiercancer.org
Phone:317.634.5842

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Phase II Study of Pembrolizumab in Combination With Carboplatin and Paclitaxel for Advanced or Recurrent Endometrial Adenocarcinoma

This is a single-arm, open-label, multi-center phase II study for subjects with measurable
advanced or recurrent endometrial cancer using pembrolizumab in combination with carboplatin
and paclitaxel chemotherapy. As this combination of agents has not been tested in this
subject population, the first six subjects enrolled will constitute a safety run-in cohort.

OUTLINE: This is a multi-center study.

INVESTIGATIONAL TREATMENT:

To ensure the safety of this combination treatment, an initial safety run-in will be
conducted for the first 6 subjects. This initial cohort of 6 subjects will be enrolled and
treated with standard doses as described below. Based on toxicity analysis of the initial 6
subjects following completion of 18 weeks of treatment, it will be determined if an extended
safety run-in period would be beneficial.

In the absence of receiving any prior therapy, eligible subjects will be treated as follows
on D1 of cycles lasting 21 days (3 weeks) for a maximum of 6 cycles:

- Pembrolizumab 200mg will be administered as a 30-minute intravenous (IV) infusion every
3 weeks.

- Paclitaxel will be dosed at 175mg/m2 and be administered as a 3-hour continuous IV
infusion.

- Carboplatin will be dosed at area under the curve (AUC) of 6 and given as an IV infusion
in 250ml of D5W over 30 minutes.

Subjects who have had prior radiotherapy/platinum-based chemotherapy must initiate paclitaxel
and carboplatin at the following reduced dose levels if they have had prior external
radiotherapy involving the whole pelvis or abdomen or over 50% of their spine, and/or prior
platinum-based chemotherapy for this, or any other cancer. Eligible subjects will be treated
as follows on Day 1 (D1) of cycles lasting 21 days (3 weeks) for a maximum of 6 cycles:

- Pembrolizumab 200mg administered as a 30-minute intravenous (IV) infusion every 3 weeks.

- Paclitaxel will be dosed at 135mg/m2 and be administered as a 3-hour continuous IV
infusion.

- Carboplatin will be dosed at an AUC of 5 and given as an IV infusion in 250ml of D5W
over 30 minutes.

Subsequent doses of paclitaxel and carboplatin may be escalated to the higher doses as
indicated above, provided these subjects do not exhibit hematologic or nonhematologic
toxicity > Grade 1, except alopecia.

The following laboratory values must be obtained within 14 days prior to registration for
protocol therapy:

Hematopoietic:

- Hemoglobin (Hgb) > 9 g/dL (without transfusion or erythropoietin (EPO) dependency within
7 days of assessment)

- Platelets > 100 K/mm3

- Absolute neutrophil count (ANC) ≥ 1.5 K/mm3

Renal:

- Creatinine or measured/calculated creatinine clearance (as calculated by institutional
standard) ≤ 1.5 X institutional upper limits of normal (ULN) OR ≥60mL/min for subjects
with creatinine levels > 1.5 x institutional ULN

Hepatic:

- Serum total bilirubin ≤ 1.5 x upper limit of normal (ULN) OR direct bilirubin ≤ ULN for
subjects with total bilirubin levels > 1.5 ULN

- Aspartate aminotransferase (AST), alanine transaminase (ALT) or alkaline phosphatase
(ALP) < 2.5 x ULN OR ≤ 5 x ULN for subjects with liver metastases

- Albumin ≥ 2.5 mg/dL

Coagulation (Blood Clotting) Tests:

- International normalized ratio (INR) or prothrombin time (PT) ≤ 1.5 x ULN unless subject
is receiving anti-coagulant therapy as long as partial thromboplastin time (PTT) is
within therapeutic range of intended use of anticoagulants

- Activated partial thromboplastin time (aPTT) ≤ 1.5 x ULN unless subject is receiving
anti-coagulant therapy as long as PT or PTT is within therapeutic range of intended use
of anticoagulants

Inclusion Criteria:

- Written informed consent and HIPAA authorization for release of personal health
information prior to registration for protocol therapy.

o NOTE: HIPAA authorization may be included in the informed consent or obtained
separately.

- Age ≥ 18 years at the time of consent.

- ECOG Performance Status of 0 or 1 within 28 days prior to registration for protocol
therapy.

- Histological evidence of newly diagnosed Stage III or IV or recurrent endometrial
carcinoma who have had definitive surgery for endometrial cancer (at least
hysterectomy and bilateral salpingo-oophorectomy). Pathologic documentation of the
recurrence (i.e., biopsy) will be performed per standard of care, at the treating
physician's discretion. If a subject with recurrence is undergoing a biopsy for
clinical indications and is willing and able, an optional collection of 3 frozen
tissue cores of the recurrence site is requested for correlative analysis.

- Measurable disease according to RECIST v1.1 and obtained by imaging within 28 days
prior to registration for protocol therapy. Disease in an irradiated field as the only
site of measurable disease is acceptable only if there has been clear progression
since completion of radiation treatment.

- The subject must have recovered (≤ grade 1) from the acute toxic effects of prior
therapy.

- Prior treatment: Subjects may have received none or one platinum-based chemotherapy
regimen and none or one non-platinum regimen. Subjects having received prior
platinum-based chemotherapy must have a disease-free interval > 6 months (be platinum
sensitive).

- Prior therapy with hormones or biologic agents is allowed. These treatments must be
discontinued at least 28 days prior to registration for protocol therapy.

- The subject must have completed radiation therapy at least 28 days prior to
registration for protocol therapy, provided that toxicity has resolved to ≤ grade 1.

- NOTES: Subjects may have received prior radiation therapy for treatment of
endometrial carcinoma. Prior radiation therapy may have included pelvic radiation
therapy, extended field pelvic/para-aortic radiation therapy, and/or intravaginal
brachytherapy. Chemotherapy used for radiation sensitization is allowed.
Chemotherapy used for radiation sensitization will not count as second
chemotherapy regimen.

- Palliative radiation given primarily for symptom relief, without the intent to
treat or cure the patient's endometrial cancer is excluded from the above
criteria. Treatment-directed radiation will be defined as more than 30 Gy of
radiation.

- No prior malignancy is allowed except for adequately treated basal cell or squamous
cell skin cancer, in situ cervical cancer, or other cancer for which the subject has
been disease-free for at least 5 years.

- Female subjects must be of non-childbearing potential. Women of childbearing potential
are those who have not been surgically sterilized or have not been free from menses
for ≥1 year.

- Laboratory values must be obtained within 14 days prior to registration for protocol
therapy. Note: Institutional/laboratory upper limit of normal (ULN)

- Hemoglobin (Hgb) > 9 g/dL (without transfusion or EPO dependency within 7 days of
assessment)

- Platelets > 100 K/mm3

- Absolute neutrophil count (ANC) ≥ 1.5 K/mm3

- Creatinine or measured/calculated creatinine clearance (as calculated by institutional
standard) ≤ 1.5 X institutional ULN OR ≥60mL/min for subjects with creatinine levels >
1.5 x institutional ULN

- Serum total bilirubin ≤ 1.5 ULN OR Direct bilirubin ≤ ULN for subjects with total
bilirubin levels > 1.5 ULN

- AST, ALT or alkaline phosphatase < 2.5 ULN OR ≤ 5 x ULN for subjects with liver
metastases

- Albumin ≥ 2.5 mg/dL

- International normalized ratio (INR) or prothrombin time (PT) ≤ 1.5 x ULN unless
subject is receiving anti-coagulant therapy as long as PTT is within therapeutic range
of intended use of anticoagulants

- Activated Partial Thromboplastin Time (aPTT) ≤ 1.5 x ULN unless subject is receiving
anti-coagulant therapy as long as PT or PTT is within therapeutic range of intended
use of anticoagulants

Exclusion Criteria:

- Subjects with carcinosarcoma.

- Subjects who have a solitary central pelvic recurrence, which can be curatively
resected.

- Hypersensitivity to pembrolizumab or any of its excipients.

- Has had a prior anti-cancer monoclonal antibody (mAb) within 4 weeks prior to
registration for protocol therapy or who has not recovered (i.e., ≤ Grade 1 or at
baseline) from adverse events due to agents administered more than 4 weeks earlier.

- Has known active central nervous system (CNS) metastases and/or carcinomatous
meningitis. Subjects with previously treated brain metastases may participate provided
they are stable (without evidence of progression by imaging for at least four weeks
prior to registration for protocol therapy and any neurologic symptoms have returned
to baseline), have no evidence of new or enlarging brain metastases, and are not using
steroids for at least 7 days prior registration for protocol therapy. This exception
does not include carcinomatous meningitis, which is excluded regardless of clinical
stability.

- NOTE: Subjects with neurological symptoms must undergo a head CT scan or brain MRI to
exclude brain metastasis.

- Treatment with any investigational agent within 28 days prior to registration for
protocol therapy.

- Has known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies).

- Active autoimmune disease that has required systemic treatment in past 2 years (i.e.,
with use of disease modifying agents, corticosteroids, or immunosuppressive drugs).
Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid
replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a
form of systemic treatment.

- Has received systemic steroid therapy or any other form of immunosuppressive therapy
within 7 days prior to registration for protocol therapy. (Prednisone (or equivalent)
< 10mg/ day is allowed).

- Has a known history of active TB (Bacillus Tuberculosis).

- Pulmonary conditions such as sarcoidosis, silicosis, idiopathic pulmonary fibrosis, or
hypersensitivity pneumonitis.

- Has a history of (non-infectious) pneumonitis that required steroids or has current
pneumonitis.

- Evidence of interstitial lung disease.

- Has an active infection requiring systemic therapy with the exception of an
uncomplicated urinary tract infection.

- Pre-existing peripheral neuropathy that is ≥ Grade 2 by CTCAE v4 criteria.

- Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent.

- Has a known history of Hepatitis B (defined as Hepatitis B surface antigen [HBsAg]
reactive) or known active Hepatitis C virus (defined as HCV RNA [qualitative] is
detected) infection. Note: no testing for Hepatitis B and Hepatitis C is required
unless mandated by local health authority.

- Has received a live vaccine within 30 days prior to registration for protocol therapy.

o NOTE: Seasonal influenza vaccines for injection are generally inactivated flu
vaccines and are allowed; however, intranasal influenza vaccines (e.g., Flu-Mist) are
live attenuated vaccines, and are not allowed.

- History of solid organ or stem cell transplant requiring immunosuppressive
medications.
We found this trial at
6
sites
535 Barnhill Dr
Indianapolis, Indiana 46202
(888) 600-4822
Principal Investigator: Jeanne Schilder, MD
Phone: 317-274-2869
Indiana University Melvin and Bren Simon Cancer Center At the IU Simon Cancer Center, more...
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Indianapolis, IN
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Minneapolis, Minnesota 55455
(612) 625-5000
Principal Investigator: Deanna Teoh, MD
Phone: 612-624-0937
Univ of Minnesota With a flagship campus in the heart of the Twin Cities, and...
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Minneapolis, MN
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Chicago, Illinois 60611
Phone: 312-695-6180
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Chicago, IL
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200 Hawkins Dr,
Iowa City, Iowa 52242
866-452-8507
Principal Investigator: David Bender, MD
Phone: 319-353-4578
University of Iowa Hospitals and Clinics University of Iowa Hospitals and Clinics—recognized as one of...
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Iowa City, IA
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Lake Forest, Illinois 60045
Phone: 847-582-2134
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Lake Forest, IL
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Mesa, Arizona 85206
Principal Investigator: Mario Pineda, MD
Phone: 480-398-7671
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Mesa, AZ
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