Study of Pembrolizumab (MK-3475) in Participants With High Risk Non-muscle Invasive Bladder Cancer (MK-3475-057/KEYNOTE-057)



Status:Recruiting
Conditions:Cancer, Cancer, Bladder Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:3/8/2019
Start Date:February 10, 2016
End Date:July 30, 2023
Contact:Toll Free Number
Phone:1-888-577-8839

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A Phase II Clinical Trial to Study the Efficacy and Safety of Pembrolizumab (MK-3475) in Subjects With High Risk Non-muscle Invasive Bladder Cancer (NMIBC) Unresponsive to Bacillus Calmette-Guerin (BCG) Therapy

In this study, participants with high risk non-muscle-invasive bladder cancer (NMIBC)
unresponsive to Bacillus Calmette Guerin (BCG) therapy and who are considered ineligible for
or have refused to undergo radical cystectomy, will receive pembrolizumab therapy. The
primary study hypothesis is that treatment with pembrolizumab will result in a clinically
meaningful response.


Inclusion Criteria:

- Histologically-confirmed diagnosis of high risk non-muscle-invasive (T1, high grade Ta
and / or carcinoma in situ [CIS]) transitional cell carcinoma of the bladder (mixed
histology tumors allowed if transitional cell histology is predominant histology).

- Fully resected disease at study entry (residual CIS acceptable)

- BCG-unresponsive high risk non-muscle-invasive bladder cancer after treatment with
adequate BCG therapy

- Ineligible for radical cystectomy or refusal of radical cystectomy

- Available tissue from a newly obtained core biopsy of a tumor lesion not previously
irradiated

- Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2

- Adequate organ function

- Female participants of childbearing potential have a negative urine or serum pregnancy
test and must be willing to use an adequate method of contraception

- Male participants must be willing to use an adequate method of contraception

Exclusion criteria:

- Muscle-invasive, locally advanced nonresectable, or metastatic urothelial carcinoma
(i.e., T2, T3, T4, and / or stage IV)

- Concurrent extra-vesical (i.e., urethra, ureter, or renal pelvis) non-muscle invasive
transitional cell carcinoma of the urothelium

- Currently participating or has participated in a study of an investigational agent and
received study therapy or received investigational device within 4 weeks prior to the
first dose of study treatment

- Received intervening intravesical chemotherapy or immunotherapy from the time of most
recent cystoscopy / Transurethral Resection of Bladder Tumor (TURBT) to starting study
treatment

- Received prior chemotherapy, targeted small molecule therapy, or radiation therapy
within 2 weeks prior to starting study treatment or not recovered from adverse events
due to a previously administered agent

- Known additional malignancy that is progressing or requires active treatment excepting
basal cell carcinoma of the skin, squamous cell carcinoma of the skin that has
undergone potentially curative therapy or in situ cervical cancer. A history of
prostate cancer that was treated with definitive intent (surgically or through
radiation therapy) is acceptable provided that the following criteria are met: Stage
T2N0M0 or lower; Gleason score ≤7 and prostatic-specific antigen (PSA) undetectable
for at least 1 year while off androgen deprivation therapy that was either treated
with definitive intent or untreated in active surveillance that has been stable for
the past year prior to study allocation

- Active autoimmune disease that has required systemic treatment in the past 2 years

- Evidence of interstitial lung disease or active non-infectious pneumonitis

- Active infection requiring systemic therapy

- Pregnant or breastfeeding, or expecting to conceive within the projected duration of
the trial through 120 days after the last dose of study treatment

- Prior therapy with an anti-programmed cell death 1 (PD-1), anti-PD-ligand 2 (L2)
agent, or with an agent directed to another co-inhibitory T-cell receptor

- Known human immunodeficiency virus (HIV)

- Known active Hepatitis B or C infection

- Received a live virus vaccine within 30 days of planned start of study treatment

- Has had an allogeneic tissue/solid organ transplant
We found this trial at
26
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Bala-Cynwyd, Pennsylvania 19004
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Myrtle Beach, South Carolina 29572
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New Brunswick, New Jersey 08901
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North Ryde, 2113
Phone: 61 2 8988 8428
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