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Pembrolizumab /kg

Phase 1

Solid Tumor | Monoclonal antibody | Oncology |Merck & Company, Inc.|Last Updated: Oct 30, 2023

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDBiomarker
Total Trials2
Total Enrollment534
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02054806Study of Pembrolizumab (MK-3475) in Participants With Advanced Solid Tumors (MK-3475-028/KEYNOTE-28)PHASE1 COMPLETED 477Feb 17, 2014Apr 30, 2021Oct 30, 2023 -
NCT01840579Study of Pembrolizumab (MK-3475) Monotherapy in Advanced Solid Tumors and Pembrolizumab Combination Therapy in Advanced Non-small Cell Lung Cancer/ Extensive-disease Small Cell Lung Cancer (MK-3475-011/KEYNOTE-011)PHASE1 COMPLETED 57Apr 26, 2013Feb 28, 2020Jun 22, 2021 -
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Study Endpoints
Primary Endpoints
Overall Response Rate (ORR)
Up to approximately 86 months

Overall response rate (ORR) was defined as the percentage of participants who experienced a complete response (CR; disappearance of all target lesions) or a Partial Response (PR; at least a 30% decrease in the sum of diameters of target lesions) and was assessed using modified Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 by the investigator.

Number of Participants Who Experienced Dose-limiting Toxicities (DLTs)
Cycle 1 (first dose and up to 4 weeks in Part A, 3 weeks in Parts B, C, E, and 6 weeks in Part D)

The following toxicities graded per the Common Terminology Criteria for Adverse Events version 4.0 (CTCAE v.4.0) were considered DLTs if judged by the investigator to be related to either study drug: * Grade (G) 4 neutropenia lasting \>7 days * Grade 3 and Grade 4 febrile neutropenia * Grade 4 thrombocytopenia (\<25,000/mm\^3) * Grade 4 anemia * Grade 4 non-hematologic toxicity (not laboratory) * Grade 3 non-hematologic toxicity (not laboratory) lasting \>3 days despite optimal supportive care * Any Grade 3 non-hematologic laboratory value if medical intervention is required to treat the participant or the abnormality persists for \>7 days. * (Part D only) Missing the second dose of pembrolizumab (Cycle1 Day 22) due to drug-related adverse event

Number of Participants Who Experienced at Least One Adverse Event (AE)
Up to approximately 51.3 months

An adverse event is defined as any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse event can therefore be any unfavourable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a medicinal product or protocol-specified procedure, whether or not considered related to the medicinal product or protocol-specified procedure. Any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a preexisting condition that is temporally associated with the use of the Sponsor's product, is also an adverse event.

Number of Participants Who Discontinued Study Treatment Due to an Adverse Event (AE)
Up to approximately 37.9 months

An adverse event is defined as any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse event can therefore be any unfavourable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a medicinal product or protocol-specified procedure, whether or not considered related to the medicinal product or protocol-specified procedure. Any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a preexisting condition that is temporally associated with the use of the Sponsor's product, is also an adverse event.

Secondary Endpoints
Number of Participants Who Experienced an Adverse Event (AE)
Up to approximately 28 months
Number of Participants Who Discontinued From Study Treatment Due to an AE
Up to approximately 25 months
Progression Free Survival (PFS)
Up to approximately 86 months
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PembrolizumabEXPERIMENTALParticipants receive pembrolizumab 10 mg/kg, intravenously (IV), once every 2 weeks (Q2W) for up to \~2 years
Pembrolizumab 2 mg/kgEXPERIMENTALIn Part A, participants receive intravenous (IV) Pembrolizumab 2 mg/kg on Day 1 of Cycle 1 (28 days), Cycle 2 and any additional cycles (14 days).
Pembrolizumab 10 mg/kgEXPERIMENTALIn Part A, participants receive IV Pembrolizumab 10 mg/kg on Day 1 of Cycle 1 (28 days), Cycle 2 and any additional cycles (14 days).
Pembrolizumab+Cisplatin/PemetrexedEXPERIMENTALIn Part B, participants receive IV Pembrolizumab 200 mg + IV Cisplatin 75 mg/m\^2 + IV Pemetrexed 500 mg/m\^2 on Day 1 of each 21-day cycle for a maximum of 4 cycles. After completion of the initial therapy, maintenance therapy with IV pemetrexed in combination with IV pembrolizumab is permitted per standard of care, followed by IV pembrolizumab 200 mg every 3 weeks.
Pembrolizumab+Carboplatin/PemetrexedEXPERIMENTALIn Part B, participants receive IV Pembrolizumab 200 mg + IV Carboplatin Area Under The Curve (AUC) 5 mg/mL/minute + IV Pemetrexed 500 mg/m\^2 on Day 1 of each 21-day cycle for a maximum of 4 cycles. After completion of the initial therapy, maintenance therapy with IV pemetrexed in combination with IV pembrolizumab is permitted per standard of care, followed by IV pembrolizumab 200 mg every 3 weeks.
Pembrolizumab+Carboplatin/PaclitaxelEXPERIMENTALIn Part C, participants receive IV Pembrolizumab 200 mg + IV Carboplatin AUC 6 mg/mL/minute + IV Paclitaxel 200 mg/m\^2 on Day 1 of each 21-day cycle for a maximum of 4 cycles. After completion of the initial therapy, maintenance therapy with IV pembrolizumab 200 mg every 3 weeks.
Pembrolizumab+Carboplatin/Nab-paclitaxelEXPERIMENTALIn Part C, participants receive IV Pembrolizumab 200 mg + IV Carboplatin AUC 6 mg/mL/minute on Day 1 of each 21-day cycle + IV Nab-paclitaxel 100 mg/m\^2 on Days 1, 8, and 15 of each 21-day cycle for a maximum of 4 cycles. After completion of the initial therapy, maintenance therapy with IV pembrolizumab 200 mg every 3 weeks.
Pembrolizumab+IpilimumabEXPERIMENTALIn Part D, participants receive IV Pembrolizumab 200 mg on Day 1 of each 21-day cycle + IV Ipilimumab 1 mg/kg on Day 1 of every other 21-day cycle (every 42 days) for a maximum of 18 cycles of Ipilimumab (35 doses of Pembrolizumab).
Pembrolizumab+Cisplatin/EtoposideEXPERIMENTALIn Part E, participants receive IV Pembrolizumab 200 mg + IV Cisplatin 75 mg/m\^2 on Day 1 of each 21-day cycle + IV Etoposide 100 mg/m\^2 on Days 1, 2, and 3 of each 21-day cycle for a maximum of 4 cycles. After completion of the initial therapy, maintenance therapy with IV pembrolizumab 200 mg every 3 weeks.
Pembrolizumab+Carboplatin/EtoposideEXPERIMENTALIn Part E, participants receive IV Pembrolizumab 200 mg + IV Carboplatin AUC 5 mg/mL/minute on Day 1 of each 21-day cycle + IV Etoposide 100 mg/m\^2 on Days 1, 2, and 3 of each 21-day cycle for a maximum of 4 cycles. After completion of the initial therapy, maintenance therapy with IV pembrolizumab 200 mg every 3 weeks.
Pembrolizumab+Cisplatin/Etoposide+G-CSFEXPERIMENTALIn Part E, participants receive IV Pembrolizumab 200 mg + IV Cisplatin 75 mg/m\^2 on Day 1 of each 21-day cycle + IV Etoposide 100 mg/m\^2 on Days 1, 2, and 3 of each 21-day cycle for a maximum of 4 cycles + lasting granulocyte colony-stimulating factor (G-CSF) (pegfilgrastim) 3.6 mg on Day 4 of Cycle 1. After completion of the initial therapy, maintenance therapy with IV pembrolizumab 200 mg every 3 weeks.
Interventions
NameTypeDescription
PembrolizumabBIOLOGICALIV infusion
Pembrolizumab 2 mg/kgBIOLOGICALAdministered as an intravenous (IV) infusion on Day 1 of Cycle 1 (28 days), Cycle 2 (14 days), and Cycle 3 (14 days)
Pembrolizumab 10 mg/kgBIOLOGICALAdministered as an IV infusion on Day 1 of Cycle 1 (28 days), Cycle 2 (14 days), and Cycle 3 (14 days)
Pembrolizumab 200 mgBIOLOGICALAdministered as an IV infusion on Day 1 of each 21-day cycle
Cisplatin 75 mg/m^2DRUGAdministered as an IV infusion on Day 1 of each 21-day cycle
Pemetrexed 500 mg/m^2DRUGAdministered as an IV infusion on Day 1 of each 21-day cycle
Carboplatin AUC 5 mg/mL/minDRUGAdministered as an IV infusion on Day 1 of each 21-day cycle
Carboplatin AUC 6 mg/mL/minDRUGAdministered as an IV infusion on Day 1 of each 21-day cycle
Paclitaxel 200 mg/m^2DRUGAdministered as an IV infusion on Day 1 of each 21-day cycle
Nab-paclitaxel 100 mg/m^2DRUGAdministered as an IV infusion on Days 1, 8, and 15 of each 21-day cycle
Ipilimumab 1 mg/kgBIOLOGICALAdministered as an IV infusion on Day 1 of every other 21-day cycle (every 42 days)
Etoposide 100 mg/m^2DRUGAdministered as an IV infusion on Days 1, 2, and 3 of each 21-day cycle
G-CSF (pegfilgrastim) 3.6 mgDRUGAdministered as a subcutaneous injection on Day 4 of Cycle 1
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Histologically or cytologically documented locally-advanced and/or metastatic solid malignancy that is incurable, and has failed prior standard therapy or for which standard therapy is not appropriate * Have biomarker-positive solid tumor * Have measurable disease based on Res...

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