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JNJ-64619178

Phase 1

Neoplasms | Small molecule | Oncology |Johnson & Johnson|Last Updated: Dec 18, 2025

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment114

FDA Designations

No designations recorded

Clinical trial landscape

JNJ-64619178 · 1 trial · 4 indications

Phase 1 1
NCT03573310A Study of JNJ-64619178, an Inhibitor of PRMT5 in Participants With Advanced Solid Tumors, NHL, and Lower Risk MDSNeoplasms
COMPLETED114 Analytics
PHASE1COMPLETED
A Study of JNJ-64619178, an Inhibitor of PRMT5 in Participants With Advanced Solid Tumors, NHL, and Lower Risk MDS
NeoplasmsUnlock trial analytics

Study Endpoints

Primary Endpoints

Part 1 and Part 2: Number of Participants with Dose-limiting Toxicities (DLTs)
Approximately 3 years

DLTs are defined as certain non-hematologic and hematologic toxicities of Grade 3 or higher.

Secondary Endpoints

Part 1 and Part 2: Number of Participants with Adverse Events (AE)
Approximately 3 years
Part 1 and Part 2: Number of Participants with AE by Severity
Approximately 3 years
Part 1 and Part 2: Number of Participants with Abnormal Vital Signs
Approximately 3 years
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part 1: Dose escalation and RP2D SelectionEXPERIMENTALParticipants with solid tumors or non-Hodgkin lymphoma (NHL) will receive JNJ-64619178 orally as per the assigned sequential cohorts and doses will be escalated based on the review of all available data including, but not limited to, pharmacokinetic, pharmacodynamic, safety, and clinical activity. One or more recommended Phase 2 dose(s) (RP2Ds) may be determined for further exploration.
Part 2:Dose Confirmation and ExpansionEXPERIMENTALParticipants with myelodysplastic syndromes (MDS) will receive JNJ-64619178 at a dose less than or equal to the RP2D selected in Part 1 for 24 weeks, or longer if there is evidence of clinical benefit. The dose level of JNJ-64619178 may be adjusted based on observed toxicities.

Interventions

NameTypeDescription
JNJ-64619178DRUGJNJ-64619178 capsules to be administered orally.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites18

Inclusion Criteria: * B cell non-Hodgkin lymphoma (NHL) or solid tumors, or lower risk MDS * At least 1 measurable site of disease for B cell-NHL and solid tumors * Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1 * Adequate organ function * Women of childbearing potenti...

Countries:United StatesCanadaGermanyIsraelSpain
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Frequently asked questions about JNJ-64619178

What is JNJ-64619178 used for?

JNJ-64619178 is an investigational small molecule being studied for the treatment of neoplasms, including advanced solid tumors, non-Hodgkin lymphoma, and lower risk myelodysplastic syndromes. It is in Phase 1 clinical development for these oncology indications.

What does JNJ-64619178 target?

JNJ-64619178 is an inhibitor of PRMT5, as indicated in the clinical trial title. PRMT5 is a protein arginine methyltransferase involved in the regulation of gene expression and is a target of interest in oncology.

Who makes JNJ-64619178?

JNJ-64619178 is being developed by Johnson & Johnson, a company traded on the New York Stock Exchange under the ticker symbol JNJ.

What phase is JNJ-64619178 in?

JNJ-64619178 is in Phase 1 clinical development. It is an investigational drug and has not been approved by regulatory authorities. One Phase 1 trial has been completed.

What clinical trials is JNJ-64619178 in?

JNJ-64619178 has been studied in one clinical trial, NCT03573310, titled 'A Study of JNJ-64619178, an Inhibitor of PRMT5 in Participants With Advanced Solid Tumors, NHL, and Lower Risk MDS.' This Phase 1 trial enrolled 114 participants and has been completed.

Is JNJ-64619178 the same as any other drug?

No alternative names for JNJ-64619178 have been disclosed. It is referred to by its compound identifier in clinical trial records.