NCT04119557

Brief Summary

The main purpose of this study is to learn more about the safety of LY3471851 when given by injection just under the skin to participants with psoriasis. The study will last up to 48 weeks and may include up to 23 visits to the study center.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at P25-P50 for phase_1

Timeline
Completed

Started Nov 2019

Geographic Reach
1 country

24 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 7, 2019

Completed
1 day until next milestone

First Posted

Study publicly available on registry

October 8, 2019

Completed
2 months until next milestone

Study Start

First participant enrolled

November 26, 2019

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 21, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 21, 2021

Completed
Last Updated

February 20, 2024

Status Verified

February 1, 2024

Enrollment Period

1.7 years

First QC Date

October 7, 2019

Last Update Submit

February 16, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of Participants with One or More Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration

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

    Baseline through Study Completion (up to Week 48)

Secondary Outcomes (3)

  • Pharmacokinetics (PK): Area Under the Concentration Versus Time Curve (AUC) of LY3471851

    Postdose on Day 1 through Day 14

  • PK: Trough Concentrations (Ctrough) of LY3471851

    Week 12

  • PK: Maximum Concentration (Cmax) of LY3471851

    Postdose on Day 1 through Day 14

Study Arms (3)

Placebo

PLACEBO COMPARATOR

Participants received placebo administered subcutaneously (SC) every 2 weeks for a period of 12 weeks.

Drug: Placebo

Cohort 1 - 10 (Microgram Per Kilogram) μg/kg LY3471851

EXPERIMENTAL

Participants received 10 μg/kg of LY3471851 SC every 2 weeks for a period of 12 weeks.

Drug: LY3471851

Cohort 2 - 24 μg/kg LY3471851

EXPERIMENTAL

Participants received 24 μg/kg of LY3471851 SC every 2 weeks for a period of 12 weeks.

Drug: LY3471851

Interventions

Administered SC

Placebo

Administered SC

Also known as: NKTR-358
Cohort 1 - 10 (Microgram Per Kilogram) μg/kg LY3471851Cohort 2 - 24 μg/kg LY3471851

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Have a confirmed diagnosis of psoriasis for at least 6 months
  • Have active psoriasis plaques according to study- specific criteria
  • Be willing and able to undergo skin biopsies

You may not qualify if:

  • Have received certain topical medications for psoriasis within 14 days prior to baseline
  • Have received certain systemic medications for psoriasis within 4 weeks prior to baseline
  • Have received LY3471851 previously

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (24)

Arkansas Research Trials, LLC

North Little Rock, Arkansas, 72117, United States

Location

California Dermatology & Clinical Research Institute

Encinitas, California, 92024, United States

Location

Center For Dermatology Clinical Research, Inc.

Fremont, California, 94538, United States

Location

Therapeutics Clinical Research

San Diego, California, 92123, United States

Location

Clinical Science Institute

Santa Monica, California, 90404, United States

Location

Florida Academic Centers Research and Education, LLC

Coral Gables, Florida, 33134, United States

Location

Miami Dermatology and Laser Research

Miami, Florida, 33173, United States

Location

ForCare Clinical Research

Tampa, Florida, 33613-1244, United States

Location

Medical Dermatology Specialists

Sandy Springs, Georgia, 30328, United States

Location

Dawes Fretzin Clinical Research Group, LLC

Indianapolis, Indiana, 46250, United States

Location

Skin Sciences

Louisville, Kentucky, 40217, United States

Location

Forefront Research

Louisville, Kentucky, 40241, United States

Location

Clinical Research Institute of Michigan, LLC

Chesterfield, Michigan, 48047, United States

Location

Derm Center

Troy, Michigan, 48084, United States

Location

Central Dermatology PC

St Louis, Missouri, 63117, United States

Location

ActivMed Practices and Research

Portsmouth, New Hampshire, 03801, United States

Location

Remington-Davis, Inc

Columbus, Ohio, 43215, United States

Location

Unity Clinical Research

Oklahoma City, Oklahoma, 73118, United States

Location

Paddington Testing Company Inc

Philadelphia, Pennsylvania, 19103, United States

Location

DermDox Centers for Dermatology

Sugarloaf, Pennsylvania, 18249, United States

Location

Studies in Dermatology, LLC

Cypress, Texas, 77433, United States

Location

Rodgers Dermatology

Frisco, Texas, 75034, United States

Location

Progressive Clinical Research

San Antonio, Texas, 78229, United States

Location

Complete Dermatology

Sugar Land, Texas, 77478, United States

Location

Related Publications (1)

  • Silverberg JI, Rosmarin D, Chovatiya R, Bieber T, Schleicher S, Beck L, Gooderham M, Chaudhry S, Fanton C, Yu D, Levy J, Liu Y, Miyazaki T, Tagliaferri M, Schmitz C, Nirula A, Kotzin B, Zalevsky J. The regulatory T cell-selective interleukin-2 receptor agonist rezpegaldesleukin in the treatment of inflammatory skin diseases: two randomized, double-blind, placebo-controlled phase 1b trials. Nat Commun. 2024 Oct 25;15(1):9230. doi: 10.1038/s41467-024-53384-1.

Related Links

MeSH Terms

Conditions

Psoriasis

Condition Hierarchy (Ancestors)

Skin Diseases, PapulosquamousSkin DiseasesSkin and Connective Tissue Diseases

Study Officials

  • Study Director

    Nektar Therapeutics

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 7, 2019

First Posted

October 8, 2019

Study Start

November 26, 2019

Primary Completion

July 21, 2021

Study Completion

July 21, 2021

Last Updated

February 20, 2024

Record last verified: 2024-02

Data Sharing

IPD Sharing
Will not share

Locations