Safety and Tolerability of Pembrolizumab (MK-3475) + Pegylated Interferon Alfa-2b and Pembrolizumab+ Ipilimumab in Participants With Advanced Melanoma or Renal Cell Carcinoma (MK-3475-029/KEYNOTE-29)



Status:Recruiting
Conditions:Skin Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:12/20/2017
Start Date:March 17, 2014
End Date:June 17, 2020
Contact:Toll Free Number
Phone:1-888-577-8839

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A Phase 1/2 Clinical Trial to Study the Safety and Tolerability of MK-3475 + Pegylated Interferon Alfa-2b (PEG-IFN) and MK-3475 + Ipilimumab (IPI) in Subjects With Advanced Melanoma (MEL) and Renal Cell Carcinoma (RCC) (KEYNOTE 029)

This study is being done to analyze the safety, tolerability, and efficacy of treatment for
advanced melanoma (MEL) and renal cell carcinoma (RCC) using combination regimens of
pembrolizumab + pegylated interferon alfa-2b (PegIFN-2b) and pembrolizumab + ipilimumab
(IPI). The primary hypothesis is that these combinations will be sufficiently well-tolerated
to permit continued clinical investigation.

The trial is being done in three parts: Part 1A (MEL and RCC) will define the maximum
tolerated dose (MTD)/maximum administered dose (MAD) for the drug combinations; a recommended
Phase 2 dose (RP2D) for each combination will be identified. Part 1B (MEL-single arm
expansion) will better characterize safety and efficacy and provide preliminary efficacy data
for the penbrolizumab + IPI combination in participants with MEL. Part 2 (MEL and RCC) is a
randomized portion of the trial and will evaluate preliminary efficacy of the drug
combinations given in 6-week cycles for advanced MEL participants. Part 2 was removed from
the study with Amendment 3 of the protocol. Part 1C (MEL) is added as the third part of the
study with Amendment 3. Part 1C will evaluate safety and efficacy for different doses and
dosing intervals for IPI in combination with pembrolizumab in participants with advanced MEL.

Inclusion Criteria:

- Histologically- or cytologically-confirmed diagnosis of advanced/unresectable or
metastatic MEL or RCC (Part 1A only) with predominantly clear cell elements

- Previously untreated stage III/IV advanced or metastatic MEL (Part 1C only)

- MEL subjects may be treatment naïve or may have received prior lines of therapy for
metastatic disease (Parts 1A and 1B)

- RCC subjects must have received ≥1 prior line of therapy for metastatic disease (Part
1A)

- Measurable disease as defined by RECIST 1.1

- Must provide a tumor sample (archival or newly obtained biopsy) that is adequate for
determination of PD (programmed cell death)-Ligand 1 status by immunohistochemistry at
a central pathology laboratory prior to enrollment. Note: Adequacy of the tumor sample
for PD-Ligand 1 testing is not required prior to enrollment in Part 1C

- Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1

- Adequate organ function

- Resolution of toxic effect(s) of the most recent prior chemotherapy to Grade 1 or less
(Parts 1A and 1B) and/or recovered from major surgery or radiation therapy

- Female participants of childbearing potential must be willing to use adequate
contraception during the course of the study through 120 days after the last dose of
study drug

- Male participants must agree to use an adequate method of contraception starting with
the first dose of study therapy through 120 days after the last dose of study drug

Exclusion Criteria

- Uveal or ocular MEL

- Diagnosis of immunodeficiency or receiving systemic steroid therapy or any other form
of immunosuppressive therapy within 7 days prior to the first dose of study drug

- Prior therapy with an anti-programmed cell death (anti-PD)-1, anti-PD-Ligand 1,
anti-PD-Ligand 2 or with an agent directed to another co-inhibitory T-cell receptor or
has previously participated in a pembrolizumab clinical trial. Note: In Part 1C,
participants may have received anti-PD-1 and/or anti-Cytotoxic T-lymphocyte-associated
antigen 4 (anti-CTLA-4) as part of their neo/adjuvant treatment.

- Has received prior anti-cancer therapy, monoclonal antibody, chemotherapy, or an
investigational agent or device within 4 weeks or 5 half-lives (whichever is longer)
before first dose of trial drug or not recovered (≤ Grade 1 or at baseline) from AEs
due to previously administered agents (Parts 1A and 1B)

- Diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (dosing
exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive
therapy within 7 days prior to the first dose of study drug

- Known additional malignancy that is progressing or requires active treatment with the
exception of early stage cancers (carcinoma in situ or Stage 1) treated with curative
intent, basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or in
situ cervical cancer or in situ breast cancer that has undergone potentially curative
therapy

- Known active central nervous system (CNS) metastases and/or carcinomatous meningitis

- Severe hypersensitivity to any pembrolizumab excipients

- Active autoimmune disease requiring systemic treatment in the past 2 years

- History of (non-infectious) pneumonitis that required steroids or has current
pneumonitis

- Active infection requiring systemic therapy

- Pregnant or breastfeeding, or expecting to conceive or father children within the
projected duration of the trial from screening through 120 days after the last dose of
study drug

- Prior therapy with interferon alfa (in neoadjuvant, adjuvant, or metastatic settings)
(Part 1A only)

- Uncontrolled thyroid dysfunction

- Uncontrolled diabetes mellitus.

- Known history of human immunodeficiency virus (HIV)

- Known history of or is positive for Hepatitis B or Hepatitis C

- Received a live vaccine within 30 days prior to first dose of study drug
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