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LEE011

Phase 1

Locally Advanced or Metastatic NRAS Mutant Melanoma | Small molecule | Oncology |Pfizer, Inc.|Last Updated: Dec 7, 2020

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 Trials1
Total Enrollment102
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01781572A Phase Ib/II Study of LEE011 in Combination With MEK162 in Patients With NRAS Mutant MelanomaPHASE1 COMPLETED 102Jun 1, 2013Feb 20, 2018Dec 7, 202017 United States, Australia +3
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Study Endpoints
Primary Endpoints
Number of Dose Limiting Toxicities (Phase Ib)
first 28 days of treatment

To estimate the maximum tolerate doses (MTDs) and/or identify the RP2D and schedule of LEE011 and MEK162 combination. A dose-limiting toxicity (DLT) was defined as an AE or clinically significant abnormal laboratory value assessed as unrelated to disease, disease progression, inter-current illness, or concomitant medications that occurred within the first cycle of treatment with ribociclib and binimetinib.

Objective Response Rate (ORR) (Phase II)
Approximately 12 months after the FPFV

ORR is the proportion of patients with best overall response of complete response (CR) or partial response (PR) by month 2 assessed according to RECIST 1.1 criteria. ORR is done to describe the anti-tumor activity of LEE011 and MEK162 combination. The primary analysis of the ORR was based on the Investigator's assessment of overall lesion responses per RECIST 1.1.

Secondary Endpoints
Plasma Concentration-time Profile (AUCtau) of LEE011 (Phase Ib)
Cycle 1 Day 1
Plasma Concentration-time Profile (AUCtau) of MEK162 (Phase Ib)
Cycle 1 Day 1
Plasma Concentration-time Profile (AUCtau,ss) of LEE011 (Phase Ib)
For the 28-day schedule the steady-state parameter time frame was Cycle 1 Day 21, and for the 21-day schedule the steady-state parameter time frame was Cycle 1 Day 14
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Phase IbEXPERIMENTALThe phase Ib is the dose escalation part where successive cohorts of 3-6 newly enrolled patients receiving various dose pairs considering the recommendation from an adaptive BLRM incorporating the EWOC principle until MTD(s)/RP2D is defined. If multiple alternate dosing schedules are explored in parallel, the allocation of patients will proceed in an alternating fashion. Approximately 40 patients are expected to be treated during the phase Ib part of the study. Dosing Schedule 1: MEK162 administered orally twice daily on a continuous dosing schedule. LEE011 administered orally once daily for 21 days followed by a 1 week break (28-day cycle). Dosing Schedule 2: MEK162 administered orally twice daily and LEE011 administered orally once daily for 3 weeks followed by a 1 week break (28-day cycle). Dosing Schedule 3: MEK162 administered orally twice daily and LEE011 administered once daily for 2 weeks followed by a 1 week break (21-day cycle).
Phase IIEXPERIMENTALThe Phase II part will begin once the MTD(s)/RP2D have been determined in the Phase Ib in order to assess antitumor activity of the LEE011and MEK162 combination. Patients enrolled in the Phase II part of the study are required to have measurable disease. Approximately 40 patients will be treated in this part. Phase II part will begin at the RP2D on the chosen schedule in order to assess antitumor activity of the LEE011 and MEK162 combination.
Interventions
NameTypeDescription
LEE011DRUGLEE011 will be administered orally once daily
MEK162DRUGMEK162 will be administered orally twice daily
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites17

Inclusion Criteria: * Patients must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 - 1. * Patients enrolled into phase Ib may be enrolled with evaluable disease only. Patients enrolled into the phase II expansion must have at least one measurable lesion as defined by RECI...

Countries:United StatesAustraliaGermanyItalyNetherlands
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