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LY3537021

Phase 2

Nausea | Small molecule | Oncology |Eli Lilly and Company|Last Updated: Sep 4, 2026

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment204

FDA Designations

No designations recorded

Clinical trial landscape

LY3537021 · 3 trials · 6 indications

Phase 2 1Phase 1 2
NCT07169851A Study to Evaluate LY3537021 for the Treatment of Nausea and Vomiting Caused by Chemotherapy in Adults With CancerNausea
RECRUITING204 Analytics
PHASE2RECRUITING
A Study to Evaluate LY3537021 for the Treatment of Nausea and Vomiting Caused by Chemotherapy in Adults With Cancer
NauseaUnlock trial analytics

Study Endpoints

Primary Endpoints

Proportion of Participants with a Complete Response (CR) in the Delayed Phase of CINV
24 to 120 hours after first chemotherapy infusion

CR defined as no vomiting and no rescue medication

Number of Participants with One or More Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration
Baseline up to Week 22

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

Number of Participants with One or More Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration
Baseline through Day 119 (Part A) and Day 57 (Part B)

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

Secondary Endpoints

Proportion of Participants with a CR to CINV
Zero to 120 hours after the first chemotherapy infusion
Proportion of Participants with a Response of 0 in the Nausea Item of the Vomiting and Nausea Diary and No Rescue Medication
Zero to 120 hours after the first chemotherapy infusion
Proportion of Participants with a Response of Less than or Equal to (≤)3 in the Nausea Item of the Vomiting and Nausea Diary and No Rescue Medication
Zero to 120 hours after the first chemotherapy infusion
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
LY3537021 + Antiemetic TherapiesEXPERIMENTALPrior to chemotherapy, participants receive LY3537021 administered subcutaneously (SC) with standard of care (SOC) antiemetic therapies orally, intravenously (IV), or transdermally, per local label
Placebo + Antiemetic TherapiesPLACEBO_COMPARATORPrior to chemotherapy, participants receive placebo administered SC with SOC antiemetic therapies orally, IV, or transdermally, per local label
LY3537021 + Liraglutide (Part A)EXPERIMENTALLiraglutide administered subcutaneously (SC) followed by liraglutide in combination with LY3537021 given SC.
Liraglutide + Placebo (Part A)EXPERIMENTALLiraglutide administered SC followed by liraglutide in combination with placebo given SC.
LY3537021 + Liraglutide & Placebo + Liraglutide (Part B)EXPERIMENTALLY3537021 administered SC followed by liraglutide administered SC in treatment period 1. Placebo administered SC followed by liraglutide administered SC in treatment period 2.
Placebo + Liraglutide & LY3537021 + Liraglutide Part B)EXPERIMENTALPlacebo administered SC followed by liraglutide administered SC in treatment period 1. LY3537021 administered SC followed by liraglutide administered SC in treatment period 2.
LY3537021 (Part A/Healthy)EXPERIMENTALLY3537021 administered subcutaneously (SC) to healthy participants.
LY3537021 (Part A/Type 2 Diabetes)EXPERIMENTALLY3537021 administered SC to participants with type 2 diabetes mellitus (T2DM).
Placebo (Part A)PLACEBO_COMPARATORPlacebo administered SC.
LY3537021 (Part B/Healthy)EXPERIMENTALLY3537021 administered SC to healthy participants.
LY3537021 (Part B/Type 2 Diabetes)EXPERIMENTALLY3537021 administered SC to participants with T2DM.
Placebo (Part B)PLACEBO_COMPARATORPlacebo administered SC.

Interventions

NameTypeDescription
LY3537021DRUGAdministered SC
PlaceboDRUGAdministered SC
Standard of Care Antiemetic TherapiesDRUG5-HT3 Receptor Antagonist, NK1 Receptor Antagonist, Dexamethasone administered orally, IV, or transdermally
Background ChemotherapyDRUGCisplatin or anthraxyline and cyclophosphamide (AC) administered IV
LiraglutideDRUGAdministered SC.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites68

Inclusion Criteria: * Chemotherapy-naive participants, planned to receive AC or cisplatin-based chemotherapy greater than or equal to (≥)70 milligrams per square meter (mg/m²), on Day 1 of each cycle, with no multiple administrations during the CINV observation period, from Day 2 to Day 5 of each c...

Countries:United StatesAustraliaChinaFranceItalyJapanRomaniaSpainTaiwanTurkey (Türkiye)Singapore
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Recent Changes (Last 90 Days)

LOWSep 4, 2026NCT07169851lastUpdatePostDate: changed
LOWAug 21, 2026NCT07169851lastUpdatePostDate: changed
LOWAug 21, 2026NCT07169851lastUpdatePostDate: changed
LOWAug 6, 2026NCT07169851lastUpdatePostDate: changed
LOWAug 6, 2026NCT07169851lastUpdatePostDate: changed
LOWJul 20, 2026NCT07169851lastUpdatePostDate: changed
LOWJul 20, 2026NCT07169851lastUpdatePostDate: changed
LOWJul 7, 2026NCT07169851lastUpdatePostDate: changed
LOWJul 7, 2026NCT07169851lastUpdatePostDate: changed
LOWJun 23, 2026NCT07169851lastUpdatePostDate: changed
LOWJun 23, 2026NCT07169851lastUpdatePostDate: changed

Frequently asked questions about LY3537021

What is LY3537021 used for?

LY3537021 is an investigational small molecule being studied for the treatment of nausea and vomiting caused by chemotherapy in adults with cancer. It has also been evaluated in healthy participants and in participants with type 2 diabetes mellitus in earlier phase trials.

Who makes LY3537021?

LY3537021 is being developed by Eli Lilly and Company, traded on the New York Stock Exchange under the ticker LLY.

What phase is LY3537021 in?

LY3537021 is currently in Phase 2 clinical development. It is being studied in a Phase 2 trial for chemotherapy-induced nausea and vomiting, following completion of two Phase 1 trials in healthy participants.

What clinical trials is LY3537021 in?

LY3537021 has been studied in three clinical trials. NCT04586907 and NCT05444569 were completed Phase 1 studies in healthy participants. NCT07169851 is a recruiting Phase 2 study evaluating LY3537021 for nausea and vomiting caused by chemotherapy in adults with cancer.

Is LY3537021 FDA approved?

LY3537021 is not FDA approved. It is an investigational drug currently in Phase 2 clinical development, and its safety and efficacy have not yet been established for any use.

Is LY3537021 being studied in healthy volunteers?

Yes, LY3537021 has been studied in healthy volunteers. Two completed Phase 1 trials, NCT04586907 and NCT05444569, enrolled healthy participants in Singapore. The ongoing Phase 2 trial enrolls adults with cancer.