> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/trial/a-study-of-ly4515100-in-healthy-participants-5d65cf86-ed91-463d-9e40-f9c2b40bbfdf
> Record changed: 2026-11-04

# A Study of LY4515100 in Healthy Participants

NCT07339722

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

Phase

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

Recruitment status

Recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

Participants

123

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

Lead sponsor

Eli Lilly and Company

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

Start date

2026-01-15

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

Number of sites

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Title and summary

**Summary**

The main purpose of this study is to assess the safety and tolerability of LY4515100 when given orally to healthy participants. LY4515100 will be given by itself or with other medicines. Blood tests will be performed to investigate how the body processes the study drug and how the study drug affects the body. The study will have 3 parts and will last about 50 days. For each participant in Part A, the study will include a stay in the Clinical Research Unit (CRU) lasting about 6 days. For each participant in Part B, the study will include a stay in the CRU lasting about 15 days. For each participant in Part C, the study will include up to 2 stays in the CRU each lasting between 7-28 days.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Short title**

A Study of LY4515100 in Healthy Participants

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Official title**

A Phase 1, Randomized, Investigator- and Participant-Blinded, Placebo-Controlled, Single- and Multiple-Ascending Dose Study to Characterize the Safety, Tolerability, and Pharmacokinetics of LY4515100 in Healthy Participants and an Open-Label Study to Evaluate the Effect of Itraconazole on the Pharmacokinetics, Safety, and Tolerability of LY4515100 and of LY4515100 on the Pharmacokinetics of CYP and Transporter Substrates in Healthy Participants

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Status and phase

**Control arm**

Placebo

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Registry reports results**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Recruitment status**

Recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Phase**

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Dates

**Completion date**

2027-03-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**First posted**

2026-01-14

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Registry last updated**

2026-07-29

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Primary completion date**

2027-03-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Start date**

2026-01-15

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Size and sites

**Participants**

123

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Participant count basis**

Estimated

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Planned participants**

123

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Protocol amendments**

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Number of sites**

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Sponsor and oversight

**Data monitoring committee**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Lead sponsor**

Eli Lilly and Company

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Identifiers

**Registry ID**

NCT07339722

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**ClinicalTrials.gov ID**

NCT07339722

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Study design

**Allocation**

Randomised

**Model**

Parallel groups

**Purpose**

Basic science

**Masking**

Double masking

**Masking description**

Part C is Open Label.

**Masked roles**

Participants, Investigators

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Outcomes

### Primary outcomes

1. Number of participants with one or more serious adverse event(s) (SAEs) of LY4515100 in Parts A and B  
Timeframe: Day 1 up to Day 30  
SAEs of LY4515100

### Secondary outcomes

1. Pharmacokinetics (PK): Area Under the Concentration versus Time Curve (AUC) of LY4515100  
Timeframe: Day 1 through Day 11  
PK: AUC of LY4515100
2. PK: Maximum Observed Drug Concentration (Cmax) of LY4515100  
Timeframe: Day 1 through Day 11  
PK: Cmax of LY4515100
3. PK: Time of maximum observed drug concentration (tmax) of LY4515100  
Timeframe: Day 1 through Day 11  
PK: tmax of LY4515100
4. PK: Geometric Means of Area Under the Concentration-Time Curve From 0 to Infinity \[AUC(0-∞)\] of LY4515100 in Combination with Itraconazole versus LY4515100 Alone  
Timeframe: Day 1 through Day 50
5. PK: Geometric Means of Cmax of LY4515100 in Combination with Itraconazole versus LY4515100 Alone  
Timeframe: Day 1 through Day 50
6. PK: Geometric Means of AUC(0-∞) of Substrate in Combination with LY4515100 versus Substrate Alone  
Timeframe: Day 1 through Day 36
7. PK: Geometric Means of Cmax of Substrate in Combination with LY4515100 versus Substrate Alone  
Timeframe: Day 1 through Day 36

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Eligibility

**Sex**

All

**Age groups**

Adults, Older adults

**Minimum age**

18 Years

**Maximum age**

65 Years

**Healthy volunteers**

Yes

### Inclusion criteria

- Are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, vital signs, and cardiac monitoring.
- Have a body mass index within the range of 18.5 to 32.0 kilograms per square meter (kg/m²) (inclusive).
- Individuals not of childbearing potential (INOCBP) may participate in this trial.

### Exclusion criteria

- Have donated 500 milliliters (mL) of blood within 30 days prior to dosing.
- Have participated within the last 30 days in a clinical study involving an investigational medicinal product. If the previous investigational product (IP) has a long half-life, 5 half-lives or 30 days (whichever is longer) should have passed.
- Participants with hemoglobin outside of the local laboratory normal reference range for age and sex, which is judged to be clinically significant by the investigator.
- Participants with an estimated glomerular filtration rate <90 mL/min/1.73 m².
- Have a 12-lead Electrocardiogram (ECG) abnormality that, in the opinion of the investigator,
- increases the risks associated with participating in the study
- may confound ECG data analysis
- Have used or intend to use over-the-counter or prescription medication including dietary or herbal medications within 7 days, or 14 days if the medication is a potential enzyme inducer, or 5 half-lives (whichever is longer), prior to dosing.
- Smoke more than 10 cigarettes per day or the equivalent, including electronic cigarettes, and are unable to abide by investigative site smoking restrictions.
- Have an average weekly alcohol intake that exceeds 14 units per week (males 65 years of age or younger) and 7 units per week (females and males greater than 65 years of age, if applicable)
- Show evidence of
- Human immunodeficiency virus (HIV) infection and/or positive human HIV antigen and/or antibodies
- hepatitis C and/or positive hepatitis C antibody
- hepatitis B and/or positive hepatitis B surface antigen.
- Have liver disease.
- Any clinical condition or procedure (for example, gastrointestinal obstruction, gastric bypass, or cholecystectomy) that may affect the absorption, distribution, or excretion of the study drug and confound pharmacokinetics (PK) assessment.
- Part C Only:

  - Have history of neuropathy of any cause.
  - Have impaired hearing or a history of hearing problems.
  - Have any medical conditions, medical history, or are taking any medications that are contraindicated in the itraconazole prescribing information, such as prior history of hypersensitivity to itraconazole or other azoles.
  - Participants with any known history of thyroid disease

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Sites

- Fortrea Clinical Research UnitDallas, United StatesRecruiting

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## References

### Other registry identifiers

- J6V-MC-OIAB

Sources for references

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07339722)

## Related records

### Drugs (6)

- [Caffeine](https://trialight.com/data/asset/caffeine-4062cceb-b322-4d67-b5b1-c5c5913c8897.md)
- [Digoxin](https://trialight.com/data/asset/digoxin-9928e38a-813e-4948-9d65-9088ba40a442.md)
- [Iohexol](https://trialight.com/data/asset/iohexol-47b25ad2-29fc-48fb-abf6-c5a716efc8d8.md)
- [Itraconazole](https://trialight.com/data/asset/itraconazole-c6f2473e-393a-44a9-8969-8d501b15ef65.md)
- [Metformin](https://trialight.com/data/asset/metformin-0292cbe3-3a2f-4db7-b783-270ef048c3b4.md)
- [Rosuvastatin](https://trialight.com/data/asset/rosuvastatin-d8e48bc8-dc4d-4234-8b99-9b05b70b7a69.md)

### Lead sponsors (1)

- [Eli Lilly and Company](https://trialight.com/data/company/eli-lilly-and-company-9da7efcc-bafe-4b95-b30b-e87a97770db7.md)

### Targets (68)

- [ADORA1](https://trialight.com/data/target/adora1-76475566-fcd4-566c-bfcd-c5beda4b1425.md)
- [ADORA2A](https://trialight.com/data/target/adora2a-f33eebcd-b11e-5ca3-81b0-189937657d59.md)
- [ADORA2B](https://trialight.com/data/target/adora2b-32c9c6eb-5ed0-573e-adb1-915dc447c1a4.md)
- [ADORA3](https://trialight.com/data/target/adora3-e4ae62bc-7545-585e-a904-620858df7712.md)
- [ATP1A1](https://trialight.com/data/target/atp1a1-00e60877-1637-5837-b618-ba0116f706f8.md)
- [ATP1A2](https://trialight.com/data/target/atp1a2-5407dcad-093d-5dcb-99a8-af782af823c9.md)
- [ATP1A3](https://trialight.com/data/target/atp1a3-59f6fc7c-a0db-530e-979b-044e2f23b9eb.md)
- [ATP1A4](https://trialight.com/data/target/atp1a4-d5da371a-13f7-50be-babb-04e116f82c3c.md)
- [ATP1B1](https://trialight.com/data/target/atp1b1-cd8feef1-fad0-52f3-96d3-56125fa8266f.md)
- [ATP1B2](https://trialight.com/data/target/atp1b2-4eaf1ea5-bc71-59f3-91d3-9eab0c68eb56.md)
- [ATP1B3](https://trialight.com/data/target/atp1b3-69950385-cc1b-5d62-a99a-d10487281cfd.md)
- [COXFA4](https://trialight.com/data/target/coxfa4-7d75e29a-decc-5e87-b2d6-1ac11b00ba7c.md)
- [COXFA4L2](https://trialight.com/data/target/coxfa4l2-74460d10-783f-506a-826c-ada6b04395f0.md)
- [FXYD2](https://trialight.com/data/target/fxyd2-0a65f17c-161b-5c4d-8da7-f3ba40c6b344.md)
- [GPD2](https://trialight.com/data/target/gpd2-4ef823da-c09f-5600-bf22-d4201ee4de3c.md)
- [HMGCR](https://trialight.com/data/target/hmgcr-fb72eea1-5506-5785-8e3a-288028d487d6.md)
- [ITPR1](https://trialight.com/data/target/itpr1-d34267f1-d58d-5079-9493-92d8f06e35cc.md)
- [MT-ND1](https://trialight.com/data/target/mt-nd1-da56bfa6-9109-5230-9fab-1feb175e18e8.md)
- [MT-ND2](https://trialight.com/data/target/mt-nd2-05bc86a7-c29a-59a5-933e-abc1f52bf9cd.md)
- [MT-ND3](https://trialight.com/data/target/mt-nd3-65ff2fc6-2cee-522f-b556-952089a8ccbb.md)

---

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