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INC424

Phase 3

Myelofibrosis | Small molecule | Oncology |Novartis AG|Last Updated: Dec 11, 2025

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment2,233

FDA Designations

No designations recorded

Clinical trial landscape

INC424 · 2 trials · 2 indications

Phase 3 1Phase 2 1
NCT01493414INC424 for Patients With Primary Myelofibrosis, Post Polycythemia Myelofibrosis or Post-essential Thrombocythemia Myelofibrosis.Myelofibrosis
COMPLETED2,233 Analytics
PHASE3COMPLETED
INC424 for Patients With Primary Myelofibrosis, Post Polycythemia Myelofibrosis or Post-essential Thrombocythemia Myelofibrosis.
MyelofibrosisUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs) up to 5 Years
Baseline up to approximately 5 years

An adverse event (AE) is any untoward medical occurrence in a clinical trial participant regardless of causal relationship to study drug and regardless whether study drug has been administered. A serious adverse event (SAE) is any untoward medical occurrence or effect that at any dose results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability / incapacity, is a congenital anomaly / birth defect or is medically important due to other reasons than the above mentioned criteria. A non-serious AE is any AE that does not meet the criteria above.

Overall Response Rate (ORR) at Cycle 7 Day 1
At Cycle 7 Day 1 (Day 168); Cycle = 28 Days

ORR is defined as the percentage of participants demonstrating a complete response (CR) or partial response (PR) without the requirement of additional systemic therapies for an earlier progression, mixed response or non-response. The response is assessed per National Institute of Health (NIH) consensus criteria and scoring of response was relative to the organ stage at the start of study treatment.

Secondary Endpoints

Percentage of Participants With at Least 50% Reduction in Spleen Length
Baseline up to approximately 5 years
Number of Participants With Best Overall Response (BOR) up to 5 Years According to Spleen Length
Baseline up to approximately 5 years
Change in Eastern Cooperative Oncology Group (ECOG) Performance Status From Baseline to Worst Post-baseline ECOG Status up to 5 Years
Baseline up to approximately 5 years
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
INC424EXPERIMENTAL5 - 25 mg twice a day (BID)
INC424 (ruxolitinib)EXPERIMENTALAll pediatric participants received ruxolitinib twice a day (BID) in either tablet or oral solution (liquid), depending on the group they were in.

Interventions

NameTypeDescription
INC424DRUGAll patients enrolled into the study will receive INC424 (ruxolitinib). Starting dose is based on baseline platelet counts, with doses ranging from 5 to 20 mg twice a day. No INC424 dose will exceed 25 mg BID orally.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites273

Main Inclusion Criteria: 1. Patients must not be eligible for another ongoing INC424 clinical trial. 2. Patients must be diagnosed with PMF, PPV MF or PET-MF, according to the 2008 revised International Standard Criteria, irrespective of JAK2 mutation status.. 3. Patients with PMF requiring therapy...

Countries:AlgeriaArgentinaAustriaBelgiumBrazilCanadaColombiaCzechiaGermanyGreeceHungaryIrelandIsraelItalyMexicoMoroccoPolandPortugalRussiaSaudi ArabiaSlovakiaSouth AfricaSpainThailandTunisiaIndiaJapanSouth KoreaSwitzerlandTaiwanTurkey (Türkiye)
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Frequently asked questions about INC424

What is INC424 used for?

INC424 is an investigational small molecule being studied for the treatment of myelofibrosis and graft versus host disease. It is being developed by Novartis AG. The drug has been evaluated in clinical trials for these conditions, including a completed Phase 3 study in myelofibrosis and a completed Phase 2 study in chronic graft versus host disease.

Who makes INC424?

INC424 is being developed by Novartis AG, a multinational pharmaceutical company traded on the New York Stock Exchange under the ticker symbol NVS. Novartis is conducting clinical trials to evaluate the safety and efficacy of INC424 in patients with myelofibrosis and graft versus host disease.

What phase is INC424 in?

INC424 is in clinical development, with completed trials including a Phase 3 study in myelofibrosis and a Phase 2 study in graft versus host disease. The drug is not approved and remains investigational. Novartis has completed these trials, and the drug's development status is based on the available clinical trial data.

What clinical trials is INC424 in?

INC424 has been studied in clinical trials registered under NCT01493414 and NCT03774082. NCT01493414 was a Phase 3 study in patients with primary myelofibrosis, post polycythemia myelofibrosis, or post-essential thrombocythemia myelofibrosis, enrolling 2233 participants. NCT03774082 was a Phase 2 study in pediatric subjects with moderate and severe chronic graft versus host disease, enrolling 46 participants.

Is INC424 the same as ruxolitinib?

INC424 is the development code for the drug also known as ruxolitinib, a Janus kinase inhibitor. In clinical trials, INC424 has been evaluated for myelofibrosis and graft versus host disease. The drug is being developed by Novartis AG under this code name.