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ruxolitinib

Phase 3

Polycythemia Vera | Small molecule | Hematology |Incyte Corporation|Last Updated: Mar 6, 2019

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
RandomizedDouble-BlindCONTROLLEDBiomarker
Total Trials2
Total Enrollment332
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01632904Randomized Switch Study From Hydroxyurea to Ruxolitinib for RELIEF of Polycythemia Vera Symptoms: The Relief StudyPHASE3 COMPLETED 110Jun 1, 2012May 1, 2016Nov 14, 201770 United States, Belgium +5
NCT01243944Study of Efficacy and Safety in Polycythemia Vera Subjects Who Are Resistant to or Intolerant of Hydroxyurea: JAK Inhibitor INC424 (INCB018424) Tablets Versus Best Available Care: (The RESPONSE Trial)PHASE3 COMPLETED 222Oct 27, 2010Feb 9, 2018Mar 6, 2019102 United States, Argentina +16
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Study Endpoints
Primary Endpoints
Percentage of Subjects Achieving a ≥ 50% Improvement From Baseline in Total Symptom Score-Cytokine (TSS-C) at Week 16, as Measured by the Modified Myeloproliferative Neoplasm Symptom Assessment Form (MPN-SAF) Diary
From Baseline to Week 16

Symptoms of polycythemia vera were assessed using a modified Myeloproliferative Neoplasm Symptom Assessment Form (MPN-SAF) electronic diary. Using the diary, patients rated the following symptoms on a scale from 0 (absent) to 10 (worst imaginable): tiredness, itching, muscle aches, night sweats, and sweats while awake. The total symptom score ranged from 0-50 and was calculated as the sum of the 5 symptom scores. A higher score indicates worse symptoms.

The Percentage of Participants Achieving a Primary Response at Week 32
32 Weeks

Primary response was defined as having achieved hematocrit control (the absence of phlebotomy eligibility beginning at the Week 8 visit and continuing through Week 32) and Spleen Volume Reduction (a greater than or equal to 35% reduction from baseline in spleen volume at Week 32).

Secondary Endpoints
Percentage of Subjects Achieving ≥ 50% Improvement From Baseline in the Individual Symptom Scores for TSS-C at Week 16
From Baseline to Week 16
Proportion of Subjects Randomized to Ruxolitinib Who Achieved ≥ 50% Improvement From Baseline in Total Symptom Score-Cytokine and the Individual Symptom Scores at Week 16 That Were Maintained at Week 48
Week 48
The Percentage of Participants Achieving a Durable Primary Response at Week 48
48 Weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
ruxolitinib and hydroxyurea (HU)-placeboEXPERIMENTAL -
HU and ruxolitinib-placeboACTIVE_COMPARATOR -
ruxolitinib tabletsEXPERIMENTALStarting dose of 10 mg BID with individualized dose titration ranging from 5 mg once a day (QD) to 25 mg BID based on safety and efficacy
Best Available TherapyOTHERBest Available Therapy (BAT) will be selected by the Investigator for each participant. BAT may not include experimental agents (i.e. those not approved for the treatment of any indication) as well as a limited number of other selected drugs in accordance with the protocol-defined requirements.
Interventions
NameTypeDescription
RuxolitinibDRUGRuxolitinib will be orally self-administered at a starting dose of 10 mg (two 5 mg tablets) twice a day. Dose increases of 5 mg (1 tablet) in twice-daily increments are permitted after 4 weeks and again after 8 weeks of therapy for subjects who meet prespecified criteria for inadequate efficacy.
Hydroxyurea (HU)DRUGHydroxyurea (500 mg capsules) will be orally self-administered at the dose that the subject was receiving previously. The dose may be increased after 4 weeks and again after 8 weeks of therapy to optimize efficacy for subjects meeting prespecified criteria.
HU-placeboDRUGAll placebo will be self-administered, and dosing will be the same as with the blinded dose. When adjustments are made to the ruxolitinib dose, the dose of HU-placebo will be adjusted concurrently.
Ruxolitinib-placeboDRUGAll placebo will be self-administered, and dosing will be the same as with the blinded dose. When adjustments are made to the HU dose, the dose of ruxolitinib-placebo will be adjusted concurrently.
ruxolitinib tabletsDRUGStarting dose of 10 mg BID with individualized dose titration ranging from 5 mg QD to 25 mg BID based on safety and efficacy
Best Available Therapy (BAT)OTHERBest Available Therapy (BAT) will be selected by the Investigator for each participant. BAT may not include experimental agents (i.e. those not approved for the treatment of any indication) as well as a limited number of other selected drugs in accordance with the protocol-defined requirements.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites70

Inclusion Criteria: * Subjects must currently be reporting symptoms while on a stable dose of HU monotherapy and be eligible to continue HU on study after randomization. * Before screening, the subject must have been receiving HU for at least 12 weeks AND be receiving a stable dose. * Subjects must...

Countries:United StatesBelgiumGermanyIrelandItalySpainUnited KingdomArgentinaAustraliaCanadaChinaFranceHungaryJapanNetherlandsRussiaSouth KoreaThailandTurkey (Türkiye)
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