Recent Updates
Recently added Catalysts

LY4050784

Phase 1

Metastatic Solid Tumor | Small molecule | Oncology |Eli Lilly and Company|Trials Updated: Sep 8, 2026

LY4050784 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Aug 2024

LY4050784 target and mechanism

Molecular targetSMARCA2
Target classProtein
ModalitySmall molecule

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment340

FDA Designations

No designations recorded

LY4050784 clinical trials

LY4050784 · 1 trial · 4 indications

Phase 1 1
NCT06561685A Study of LY4050784 in Participants With Advanced or Metastatic Solid TumorsMetastatic Solid Tumor
RECRUITING340 Analytics
PHASE1RECRUITING
A Study of LY4050784 in Participants With Advanced or Metastatic Solid Tumors
Metastatic Solid TumorUnlock trial analytics

Study Endpoints

Primary Endpoints

Phase Ia: Number of Participants with One or More Treatment Emergent Adverse Events (TEAEs), Serious Adverse Event(s) (SAEs), and Adverse Event(s) (AEs)
Up to Approximately 48 Months or 4 Years

A summary of TEAEs, SAEs, and AEs regardless of causality, will be reported in the Reported Adverse Events module

Phase 1a: To determine the maximum tolerated dose (MTD)/recommended phase 2 dose (RP2D) of LY4050784
Up to Approximately 48 Months or 4 Years

Number of participants with dose-limiting toxicities (DLTs)

Phase 1b: To assess the antitumor activity of LY4050784 Monotherapy: Overall response rate (ORR)
Up to Approximately 48 Months or 4 Years

ORR per investigator assessed Response Evaluation Criteria in Solid Tumors, version 1.1 (RECIST 1.1)

Phase 1b (Dose optimization only): To confirm the RP2D/optimal dose based on safety and efficacy of LY4050784
Up to Approximately 48 Months or 4 Years

A summary of TEAEs, SAEs, and AEs regardless of causality, will be reported in the Reported Adverse Events module, ORR and Duration of Response (DOR) per Investigator

Phase 1b (Combination cohorts/Part C): To assess the safety and tolerability of LY4050784 when administered in combination with other anticancer agents
Up to Approximately 48 Months or 4 Years

A summary of TEAEs, SAEs, and AEs regardless of causality, will be reported in the Reported Adverse Events module

Secondary Endpoints

To characterize the pharmacokinetics (PK) properties of LY4050784: Maximum Concentration (Cmax)
Cycle 1 (Day 8)
To characterize the PK properties of LY4050784: Time to Maximum Concentration (Tmax)
Cycle 1 (Day 8)
To characterize the PK properties of LY4050784: Area under the concentration versus time curve (AUC)
Cycle 1 (Day 8)
Unlock Study Endpoints

Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
LY4050784 (Phase 1a - Dose Escalation)EXPERIMENTALEscalating doses of LY4050784 administered orally.
LY4050784 (Phase 1b - Dose Optimization/Part A)EXPERIMENTALComparing 2 or more doses (evaluated during dose escalation) of LY4050784 administered orally.
LY4050784 (Phase 1b - Dose Expansion/Part B)EXPERIMENTALLY4050784 administered orally.
LY4050784 (Phase 1b - Dose Expansion/Part C) Cohort C1EXPERIMENTALLY4050784 administered orally in combination in combination with pembrolizumab administered IV in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.
LY4050784 (Phase 1b - Dose Expansion/Part C) Cohort C2aEXPERIMENTALLY4050784 administered orally in combination in combination with pembrolizumab, pemetrexed, and platinum (cisplatin or carboplatin) administered IV in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.
LY4050784 (Phase 1b - Dose Expansion/Part C) Cohort C2bEXPERIMENTALLY4050784 administered orally in combination in combination with pembrolizumab, paclitaxel/nab-paclitaxel and carboplatin administered IV in 21-day cycles. Participants may continue to receive treatment until discontinuation criteria are met.

Interventions

NameTypeDescription
LY4050784DRUGOral
PembrolizumabDRUGAdministered IV.
CisplatinDRUGAdministered IV.
CarboplatinDRUGAdministered IV.
PemetrexedDRUGAdministered IV.
PaclitaxelDRUGAdministered IV.
Nab paclitaxelDRUGAdministered IV.
Unlock Study Design Details

Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites33

Inclusion Criteria: * Have one of the following locally advanced or metastatic solid tumor malignancy with SMARCA4 (BRG1) alteration: * Phase 1a dose escalation: Presence of any alteration in SMARCA4 (BRG1) * Phase 1b expansion: Part A: Non-small Cell Lung Cancer (NSCLC) that is locally advanc...

Countries:United StatesFranceGermanyJapanSouth KoreaSpain
Unlock Eligibility Criteria

Competitive Landscape -Other Solid Tumors 10 trials (matched to "Metastatic Solid Tumor")

Recent Changes (Last 90 Days)

LOWSep 8, 2026NCT06561685lastUpdatePostDate: changed
LOWSep 8, 2026NCT06561685lastUpdatePostDate: changed
LOWAug 7, 2026NCT06561685lastUpdatePostDate: changed
LOWAug 7, 2026NCT06561685lastUpdatePostDate: changed

Frequently asked questions about LY4050784

What is LY4050784?

LY4050784 is an investigational small molecule developed by Eli Lilly and Company for advanced or metastatic solid tumors. It is being studied in a Phase 1 clinical trial that includes patients with non-small cell lung cancer and SMARCA4-deficient tumors. It is not yet approved for any indication.

What does LY4050784 target?

LY4050784 targets SMARCA2, a protein in the SWI/SNF chromatin remodeling complex. The trial is biomarker-selected, enrolling patients whose tumors have specific molecular features, including SMARCA4-deficient tumors. Targeting SMARCA2 is being explored as a way to exploit vulnerabilities created by SMARCA4 loss in cancer cells.

Who makes LY4050784?

LY4050784 is developed by Eli Lilly and Company, which trades on the New York Stock Exchange under the ticker LLY. Lilly is running the clinical program for the drug in advanced and metastatic solid tumors.

What phase is LY4050784 in?

LY4050784 is in Phase 1 clinical development. It is investigational and has not been approved by the FDA or any other regulatory agency. The single ongoing study is a Phase 1 trial evaluating the drug in participants with advanced or metastatic solid tumors.

What clinical trials is LY4050784 in?

LY4050784 is being evaluated in one clinical trial, NCT06561685, titled A Study of LY4050784 in Participants With Advanced or Metastatic Solid Tumors. The Phase 1 trial is currently recruiting and plans to enroll 340 participants across the United States, France, Germany, Japan, South Korea, and Spain.

What cancers is LY4050784 being studied in?

LY4050784 is being studied in advanced and metastatic solid tumors, including non-small cell lung cancer and SMARCA4-deficient tumors. The Phase 1 trial NCT06561685 enrolls adults 18 years and older and is biomarker-selected, meaning participants are chosen based on tumor molecular characteristics.