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LY2784544

Phase 2

Neoplasms, Hematologic | Small molecule | Hematology |Eli Lilly and Company|Trials Updated: Jun 23, 2026

LY2784544 development status

Highest phase Phase 2
Registered trials 2 across 1 sponsor since May 2010

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDBiomarker
Total Trials3
Total Enrollment290

FDA Designations

No designations recorded

LY2784544 clinical trials

LY2784544 · 3 trials · 8 indications

Phase 2 1Phase 1 2
NCT01594723A Study of LY2784544 in Participants With Myeloproliferative NeoplasmsNeoplasms, Hematologic
ACTIVE NOT_RECRUITING110 Analytics
PHASE2ACTIVE NOT_RECRUITING
A Study of LY2784544 in Participants With Myeloproliferative Neoplasms
Neoplasms, HematologicUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Participants with an Objective Response (Objective Response Rate)
Baseline until Disease Progression (PD) or Participant Stops Study (Estimated up to 24 Months)
Number of participants with LY2784544 dose limiting toxicities (DLT)
Baseline through Cycle 1 in Part A (28 day cycles)
Recommended dose range and regimen for Phase 2 studies
Baseline through Cycle 1 in Part B (28 day cycles)
Determination of a recommended Phase 2 dosing regimen
Time of first dose until last dose
Number of participants with clinical significant effects
Time of first dose until last dose

Secondary Endpoints

Percentage of Participants with a Molecular Response (Molecular Response Rate)
Baseline until PD or Participant Stops Study (Estimated up to 24 Months)
Percentage of Participants with Hematological Improvement (Hematological Improvement Rate)
Baseline until PD or Participant Stops Study (Estimated up to 24 Months)
Change in Spleen Size
Baseline until PD or Participant Stops Study (Estimated up to 24 Months)
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
120 mg LY2784544EXPERIMENTAL120 milligram (mg) administered orally once daily for 6 cycles (168 days)
Part A: LY2784544 Dosing Regimen AEXPERIMENTALLY2784544 will be taken by mouth per a specified schedule. Different participants will be treated at different doses until reaching the highest dose a participant can tolerate. Each cycle is 28 days.
Part A: LY2784544 Dosing Regimen BEXPERIMENTALLY2784544 will be taken by mouth per a specified schedule. Different participants will be treated at different doses until reaching the highest dose a participant can tolerate. Each cycle is 28 days.
Part B: LY2784544 Dosing Regimen AEXPERIMENTALLY2784544 will be taken by mouth per a specified schedule. Different participants will be treated at different doses from Part A that are determined to be safe and have potential clinical merit. Each cycle is 28 days.
Part B: LY2784544 Dosing Regimen BEXPERIMENTALLY2784544 will be taken by mouth per a specified schedule. Different participants will be treated at different doses from Part A that are determined to be safe and have potential clinical merit. Each cycle is 28 days.
LY2784544EXPERIMENTAL -

Interventions

NameTypeDescription
120 mg LY2784544DRUGAdministered orally
LY2784544DRUGLY2784544 will be taken by mouth per a specified schedule. Each cycle is 28 days.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites39

Inclusion Criteria: * Have a diagnosis of polycythemia vera (PV), essential thrombocythemia (ET), or myelofibrosis (MF) as defined by the World Health Organization (WHO) diagnostic criteria for myeloproliferative neoplasms (Swerdlow et al. 2008) and meet the following additional subtype specific cr...

Countries:United StatesAustraliaAustriaCanadaFranceGermanyItalySpainSweden
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Frequently asked questions about LY2784544

What is LY2784544 used for?

LY2784544 is an investigational small molecule being studied for myeloproliferative neoplasms and related hematologic cancers, including polycythemia vera, essential thrombocythemia, and myelofibrosis. It is being developed by Eli Lilly and Company (ticker: LLY) and has been tested in Phase 1 and Phase 2 clinical trials in adults with these conditions.

Who makes LY2784544?

LY2784544 is being developed by Eli Lilly and Company, which trades under the ticker LLY. The drug is an investigational small molecule in Lilly's oncology pipeline, studied in myeloproliferative neoplasms and other hematologic conditions.

What phase is LY2784544 in?

LY2784544 has been studied in Phase 1 and Phase 2 clinical trials. One Phase 2 trial, NCT01594723, is active but not recruiting, while two Phase 1 trials, NCT01520220 and NCT01134120, are completed. The drug remains investigational and is not approved for commercial use.

What clinical trials is LY2784544 in?

LY2784544 has been evaluated in three registered trials: NCT01594723, a Phase 2 study in hematologic neoplasms that is active but not recruiting; NCT01520220, a completed Phase 1 alternative dosing study in myeloproliferative neoplasms; and NCT01134120, a completed Phase 1 study in myeloproliferative disorders. These trials enrolled adults across multiple countries.