Recent Updates
Recently added Catalysts

LY4066708

Phase 1

Cancer | Small molecule | Oncology |Eli Lilly and Company|Trials Updated: Mar 3, 2026

LY4066708 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Jul 2025

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment104

FDA Designations

No designations recorded

LY4066708 clinical trials

LY4066708 · 1 trial · 2 indications

Phase 1 1
NCT07046559A Single- and Multiple-Ascending Dose Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of LY4066708 in Healthy ParticipantsHealthy
RECRUITING104 Analytics
PHASE1RECRUITING
A Single- and Multiple-Ascending Dose Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of LY4066708 in Healthy Participants
HealthyUnlock trial analytics

Study Endpoints

Primary Endpoints

Part A: Number of Participants with One or More Serious Adverse Events (SAEs) Considered by the Investigator to be Related to Study Drug Administration
Baseline up to Week 12

A summary of SAEs and other non-serious adverse events (AEs), regardless of causality, will be reported in the Adverse Events module

Part B: Number of Participants with One or More Serious Adverse Events (SAEs) Considered by the Investigator to be Related to Study Drug Administration
Screening to Day 22

A summary of SAEs and other non-serious adverse events (AEs), regardless of causality, will be reported in the Adverse Events module

Secondary Endpoints

Part A: Pharmacokinetics (PK)- Area Under the Plasma Concentration Versus Time Curve (AUC0-168)
Predose up to day 15
Part B: Pharmacokinetics (PK)- AUC0-168
Day 1 up to day 7
Part A: Pharmacokinetics (PK)- Maximum Observed Drug Concentration (Cmax)
Predose up to day 15
Unlock Study Endpoints

Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeBASIC_SCIENCE

Treatment Arms

ArmTypeDescription
Part A Cohort 1: Single-Ascending Dose (SAD)- LY4066708EXPERIMENTALLY4066708 administered by intravenous (IV) injection
Part A Cohort 2: SAD- LY4066708EXPERIMENTALLY4066708 administered by IV injection
Part A Cohort 3A: SAD- LY4066708EXPERIMENTALLY4066708 administered by subcutaneous (SC) injection
Part A Cohort 3B: SAD- LY4066708EXPERIMENTALLY4066708 administered by SC injection
Part A Cohort 4: SAD- LY4066708EXPERIMENTALLY4066708 administered by IV injection
Part A Cohort 5: SAD- LY4066708EXPERIMENTALLY4066708 administered by IV injection
Part A Cohort 5A: SAD- LY4066708EXPERIMENTALLY4066708 administered by IV injection
Part A Cohort 6A: SAD- LY4066708EXPERIMENTALLY4066708 administered by IV injection
Part A Cohort 6: SAD- LY4066708EXPERIMENTALLY4066708 administered by IV injection
Part B Cohort 1: Multiple-Ascending Dose (MAD)- LY4066708EXPERIMENTALLY4066708 administered by IV injection
Part B Cohort 2: MAD- LY4066708EXPERIMENTALLY4066708 administered by IV injection
Part B Cohort 3: MAD- LY4066708EXPERIMENTALLY4066708 administered by IV injection
Part B Cohort 4: MAD- LY4066708EXPERIMENTALLY4066708 administered by IV injection
PlaceboPLACEBO_COMPARATORPlacebo administered by IV injection
Placebo- Part A Cohort 3A and Part A Cohort 3B.PLACEBO_COMPARATORPlacebo administered by SC injection

Interventions

NameTypeDescription
LY4066708DRUGAdministered IV
PlaceboDRUGAdministered IV
Unlock Study Design Details

Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and cardiac monitoring. * Japanese Participants Only: To qualify as a participant of first-generation Japanese origin, the participant, the participant's ...

Countries:United Kingdom
Unlock Eligibility Criteria

Competitive Landscape -Cancer 7 trials

Unlock Competitive Intelligence

Frequently asked questions about LY4066708

What is LY4066708?

LY4066708 is an investigational small molecule being developed by Eli Lilly and Company for cancer. It is in Phase 1 clinical development and has not been approved by the FDA. The program is in early testing, with one active trial currently recruiting participants.

Who is developing LY4066708?

LY4066708 is being developed by Eli Lilly and Company, which trades on the New York Stock Exchange under the ticker LLY. Lilly is the sponsor of the Phase 1 program evaluating the compound in healthy participants and cancer.

What phase is LY4066708 in?

LY4066708 is in Phase 1 clinical development. It is an investigational small molecule and is not FDA approved. The single registered trial is a Phase 1 study that is currently recruiting, with no completed trials reported for the program.

What clinical trials is LY4066708 in?

LY4066708 is being studied in one Phase 1 trial, NCT07046559, titled a single- and multiple-ascending dose study to evaluate safety, tolerability, and pharmacokinetics in healthy participants. The trial is recruiting in the United Kingdom, plans to enroll 104 participants, and includes healthy volunteers aged 18 years and older.

How is the LY4066708 trial designed?

The LY4066708 Phase 1 trial NCT07046559 is a randomized, double-blind, placebo-controlled study. It uses single- and multiple-ascending dose designs to assess safety, tolerability, and pharmacokinetics in healthy participants. The study is recruiting in the United Kingdom and has a planned enrollment of 104 participants.