A 3-Way Crossover Study to Evaluate the Pharmacokinetics in Participants After Dosing With Pegilodecakin (LY3500518) (Willow 2)

June 10, 2026 updated by: Eli Lilly and Company

An Open Label, Randomized, Single Dose, 3-Way Crossover Study to Evaluate the Pharmacokinetics of Different Dose Levels and Dose Formulations of AM0010 in Healthy Adult Subjects

To evaluate the pharmacokinetics of different dose levels and dose formulations of pegilodecakin in healthy adult participants.

Study Overview

Status

Completed

Intervention / Treatment

Detailed Description

An open label, randomized, single dose, 3-way crossover study to evaluate the pharmacokinetics of different dose levels and dose formulations of pegilodecakin in healthy adult participants.

Study Type

Interventional

Enrollment (Actual)

12

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Texas
      • Austin, Texas, United States, 78744
        • PPD Development

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 55 years (Adult)

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  1. Male or female between 18 and 55 years of age, inclusive
  2. Must have a body mass index (BMI) between 19 and 32 (kg/m2) at study Screening
  3. Must be HIV negative by HIV 1/0/2 testing
  4. Must be Hepatitis B (HBV) surface antigen negative
  5. Must be Hepatitis C (HCV) antibody negative
  6. Females must have a negative serum pregnancy test
  7. Females of childbearing potential must agree to utilize protocol recommended highly effective contraception methods from Screening throughout the duration of study dosing and for 30 days following the last dose of study drug.
  8. Must refrain from blood donation from 30 days prior to Day 0 through completion of the study and continuing for at least 30 days from date of last dose of study drug

Exclusion Criteria:

  1. Pregnant or lactating subjects
  2. Have previously participated in an investigational trial involving administration of any investigational compound within 30 days prior to the study dosing
  3. Have poor venous access and are unable to donate blood
  4. Have been vaccinated within 90 days of study dosing
  5. Current alcohol or substance abuse judged by the Investigator to interfere with subject compliance
  6. Have history of significant drug sensitivity or drug allergy.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Basic Science
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Pegilodecakin: Treatment A
Participants received AM0010 (pegilodecakin) subcutaneous (SQ) doses of 0.8 mg at 4 mg/mL administered as 0.2 mL injections for body weight ≤80 kg and SQ doses of 1.6 mg at 4 mg/mL administered as 0.4 mL injections for body weight >80 kg.
Pegilodecakin alone administered SQ
Other Names:
  • LY3500518
  • AM0010
Experimental: Pegilodecakin: Treatment B
Participants received AM0010 (pegilodecakin) SQ doses of 0.4 mg at 4 mg/mL administered as 0.1 mL injections for body weight ≤80 kg and SQ doses of 0.8 mg at 4 mg/mL administered as 0.2 mL injections for body weight >80 kg.
Pegilodecakin alone administered SQ
Other Names:
  • LY3500518
  • AM0010
Experimental: Pegilodecakin: Treatment C
Participants received AM0010 (pegilodecakin) SQ doses of 0.4 mg at 2 mg/mL administered as 0.2 mL injections for body weight ≤80 kg and SQ doses of 0.8 mg at 2 mg/mL administered as 0.4 mL injections for body weight >80 kg.
Pegilodecakin alone administered SQ
Other Names:
  • LY3500518
  • AM0010

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Pharmacokinetics (PK): Maximum Drug Concentration (Cmax) of Pegilodecakin
Time Frame: Period 1: Days 1-4 and Day 8 [Predose, 2, 4, 8, 12, 16, 24, 36, 48, 72, and 168 hours post-dose (Day 8 predose)]; Period 2: Days 8-11 and Day 15 [same as Days 1-4 and Day 8 (Day 15 predose)]; Period 3: Days 15-18 and Day 22 [same as Days 1-4 and Day 8]
Maximal serum concentration (Cmax) of pegilodecakin is reported.
Period 1: Days 1-4 and Day 8 [Predose, 2, 4, 8, 12, 16, 24, 36, 48, 72, and 168 hours post-dose (Day 8 predose)]; Period 2: Days 8-11 and Day 15 [same as Days 1-4 and Day 8 (Day 15 predose)]; Period 3: Days 15-18 and Day 22 [same as Days 1-4 and Day 8]
PK: Time of Maximum Concentration (Tmax) of Pegilodecakin
Time Frame: Period 1: Days 1-4 and Day 8 [Predose, 2, 4, 8, 12, 16, 24, 36, 48, 72, and 168 hours post-dose (Day 8 predose)]; Period 2: Days 8-11 and Day 15 [same as Days 1-4 and Day 8 (Day 15 predose)]; Period 3: Days 15-18 and Day 22 [same as Days 1-4 and Day 8]
Time of maximum serum concentration (Tmax) of Pegilodecakin is reported.
Period 1: Days 1-4 and Day 8 [Predose, 2, 4, 8, 12, 16, 24, 36, 48, 72, and 168 hours post-dose (Day 8 predose)]; Period 2: Days 8-11 and Day 15 [same as Days 1-4 and Day 8 (Day 15 predose)]; Period 3: Days 15-18 and Day 22 [same as Days 1-4 and Day 8]
PK: Area Under the Concentration-Versus-Time Curve (AUC) of Pegilodecakin
Time Frame: Period 1: Days 1-4 and Day 8 [Predose, 2, 4, 8, 12, 16, 24, 36, 48, 72, and 168 hours post-dose (Day 8 predose)]; Period 2: Days 8-11 and Day 15 [same as Days 1-4 and Day 8 (Day 15 predose)]; Period 3: Days 15-18 and Day 22 [same as Days 1-4 and Day 8]
AUC from time 0 to the time of the last quantifiable concentration [AUC(0-tlast)], AUC from time 0 to 72 hours [AUC(0-72)] and AUC from time 0 to infinity [AUC(0-inf)] of pegilodecakin is reported.
Period 1: Days 1-4 and Day 8 [Predose, 2, 4, 8, 12, 16, 24, 36, 48, 72, and 168 hours post-dose (Day 8 predose)]; Period 2: Days 8-11 and Day 15 [same as Days 1-4 and Day 8 (Day 15 predose)]; Period 3: Days 15-18 and Day 22 [same as Days 1-4 and Day 8]
PK: Apparent Total Body Clearance of (CL/F) of Pegilodecakin
Time Frame: Period 1: Days 1-4 and Day 8 [Predose, 2, 4, 8, 12, 16, 24, 36, 48, 72, and 168 hours post-dose (Day 8 predose)]; Period 2: Days 8-11 and Day 15 [same as Days 1-4 and Day 8 (Day 15 predose)]; Period 3: Days 15-18 and Day 22 [same as Days 1-4 and Day 8]
Apparent total body clearance ((CL/F) is the volume of serum from which the drug is completely removed in a given time period.
Period 1: Days 1-4 and Day 8 [Predose, 2, 4, 8, 12, 16, 24, 36, 48, 72, and 168 hours post-dose (Day 8 predose)]; Period 2: Days 8-11 and Day 15 [same as Days 1-4 and Day 8 (Day 15 predose)]; Period 3: Days 15-18 and Day 22 [same as Days 1-4 and Day 8]

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Incidence of Treatment-Emergent Adverse Events (Safety and Tolerability)
Time Frame: 43 days
Incidence of adverse events, injection site reactions, clinically relevant changes in laboratory values, and vital signs.
43 days

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Collaborators

Investigators

  • Study Director: Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5 PM Eastern time (UTC/GMT - 5 hours, EST), Eli Lilly and Company

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 18, 2017

Primary Completion (Actual)

February 13, 2018

Study Completion (Actual)

February 13, 2018

Study Registration Dates

First Submitted

December 18, 2017

First Submitted That Met QC Criteria

December 18, 2017

First Posted (Actual)

December 22, 2017

Study Record Updates

Last Update Posted (Actual)

July 7, 2026

Last Update Submitted That Met QC Criteria

June 10, 2026

Last Verified

June 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 17298
  • J1L-AM-JZGF (Other Identifier: Eli Lilly and Company)
  • AM0010-802 (Other Identifier: ARMO BioSciences)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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