A Study of LY3556050 in Adult Participants With Diabetic Peripheral Neuropathic Pain

NCT ID: NCT06074562

Last Updated: 2025-07-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

405 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-10-05

Study Completion Date

2025-06-11

Brief Summary

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The main purpose of this study is to determine the safety and efficacy of LY3556050 versus placebo in participants with diabetic peripheral neuropathic pain (DPNP). The study will lasts approximately 24 weeks, across 3 study periods.

Detailed Description

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Conditions

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Diabetic Peripheral Neuropathy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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LY3556050 Dose 1

Participants will receive LY3556050 orally.

Group Type EXPERIMENTAL

LY3556050

Intervention Type DRUG

Administered orally.

LY3556050 Dose 2

Participants will receive LY3556050 orally.

Group Type EXPERIMENTAL

LY3556050

Intervention Type DRUG

Administered orally.

LY3556050 Dose 3

Participants will receive LY3556050 orally.

Group Type EXPERIMENTAL

LY3556050

Intervention Type DRUG

Administered orally.

Placebo

Participants will receive placebo orally.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Administered orally.

Interventions

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LY3556050

Administered orally.

Intervention Type DRUG

Placebo

Administered orally.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Have a history and current diagnosis of Type 1 Diabetes (T1D) or Type 2 Diabetes (T2D) diagnosed for at least 6 months prior to screening.
* Have a stable glycemic control on stable diabetes treatment regimen for at least 90 days prior to day 1 with a hemoglobin A1c (HbA1c) ≤10 for T1D and HbA1c ≤11 for participants with T2D at time of screening.
* Have a history of daily peripheral neuropathic pain for at least 12 weeks based on participant report or medical history.
* Have a visual analog scale (VAS) pain value ≥40 and \<95 during screening.
* Have presence of diabetic peripheral neuropathy of symmetrical nature and in lower extremities for ≥6 months and diagnosed by a score of Part B ≥3 on Michigan Neuropathy Screening Instrument
* Are willing to maintain a consistent regimen of any ongoing nonpharmacologic pain-relieving therapies (for example, physical therapy) and will not start any new nonpharmacologic pain-relieving therapies during study participation.
* Are willing to discontinue all medications taken for chronic pain conditions, except allowed concomitant pain medication permitted per protocol, for the duration of the study

* Have a body mass index ≤45 kilogram/square meter (kg/m²) (inclusive).
* Are men, or women able to abide by reproductive and contraceptive requirements.

Exclusion Criteria

* History of other potentially causative and/or confounding sources of pain that may impair self-assessment of pain due to DPNP.
* Have had a procedure within the past 6 months intended to produce permanent sensory loss in the target area of interest (for example, ablation techniques.
* Have had cancer within 2 years of baseline, except for cutaneous basal cell or squamous cell carcinoma resolved by excision.
* Are, in the judgment of the investigator, actively suicidal and therefore deemed to be at significant risk for suicide.
* Have in the judgement of the investigator, an acute, serious, or unstable medical condition or a history or presence of any other medical illness that would preclude study participation.
* Have a positive HIV test result at screening.
* Have a surgery planned during the study for any reason.
* Have a substance use disorder as defined by the Diagnostic and Statistical Manual of Mental Disorders (5th edition; DSM-5; American Psychiatric Association)
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Eli Lilly and Company

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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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)

Role: STUDY_DIRECTOR

Eli Lilly and Company

Locations

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The Institute for Liver Health II dba Arizona Clinical Trials - Mesa

Chandler, Arizona, United States

Site Status

Headlands Research - Scottsdale

Scottsdale, Arizona, United States

Site Status

Orange Grove Family Practice

Tucson, Arizona, United States

Site Status

Preferred Research Partners

Little Rock, Arkansas, United States

Site Status

Hope Clinical Research, Inc.

Canoga Park, California, United States

Site Status

Valley Clinical Trials, Inc.

Northridge, California, United States

Site Status

Northern California Research - Sacramento

Sacramento, California, United States

Site Status

CMR of Greater New Haven, LLC

Hamden, Connecticut, United States

Site Status

Suncoast Research Group

Miami, Florida, United States

Site Status

New Horizon Research Center

Miami, Florida, United States

Site Status

Northwestern University

Chicago, Illinois, United States

Site Status

Alliance for Multispecialty Research, LLC

Wichita, Kansas, United States

Site Status

Alliance for Multispecialty Research, LLC

Lexington, Kentucky, United States

Site Status

Care Access - Lake Charles

Lake Charles, Louisiana, United States

Site Status

MedVadis Research Corporation

Waltham, Massachusetts, United States

Site Status

SKY Integrative Medical Center/SKYCRNG

Ridgeland, Mississippi, United States

Site Status

StudyMetrix Research

City of Saint Peters, Missouri, United States

Site Status

Alliance for Multispecialty Research, LLC

Kansas City, Missouri, United States

Site Status

Clinvest Research LLC

Springfield, Missouri, United States

Site Status

Las Vegas Medical Research

Las Vegas, Nevada, United States

Site Status

UniMed Center

East Brunswick, New Jersey, United States

Site Status

North Suffolk Neurology

Port Jefferson Station, New York, United States

Site Status

Lucas Research - Hickory

Hickory, North Carolina, United States

Site Status

Lucas Research, Inc

Morehead City, North Carolina, United States

Site Status

Velocity Clinical Research, Medford

Medford, Oregon, United States

Site Status

Tristar Clinical Investigations

Philadelphia, Pennsylvania, United States

Site Status

Suburban Research Associates

West Chester, Pennsylvania, United States

Site Status

New Phase Research and Development

Knoxville, Tennessee, United States

Site Status

FutureSearch Trials of Neurology

Austin, Texas, United States

Site Status

Juno Research

Houston, Texas, United States

Site Status

Consano Clinical Research, LLC

Shavano Park, Texas, United States

Site Status

Velocity Clinical Research, Salt Lake City

West Jordan, Utah, United States

Site Status

Northwest Clinical Research Center

Bellevue, Washington, United States

Site Status

Rainier Clinical Research Center

Renton, Washington, United States

Site Status

EDUMED - Broumov

Broumov, Královéhradecký kraj, Czechia

Site Status

Diabet2 s.r.o., diabetologicka a interni ambulance

Prague, Praha 1, Czechia

Site Status

Neurologická Ambulance - Forbeli

Prague, Praha 6, Czechia

Site Status

DiaVize s.r.o.

Prague, Praha, Hlavní Mešto, Czechia

Site Status

FLEDIP - Na dlouhem lanu

Prague, Praha, Hlavní Mešto, Czechia

Site Status

Vestra Clinics

European Union, Rychnov Nad Kněžnou, Czechia

Site Status

Agentura Science Pro

Olomouc, , Czechia

Site Status

Matsuyama Shimin Hospital

Matsuyama, Ehime, Japan

Site Status

Kikuchi Naika Clinic

Maebashi, Gunma, Japan

Site Status

Kure Medical Center

Kure, Hiroshima, Japan

Site Status

Japanese Red Cross Asahikawa Hospital

Asahikawa, Hokkaido, Japan

Site Status

Yokohama Minoru Clinic

Yokohama, Kanagawa, Japan

Site Status

Medical Corporation Heishinkai OCROM Clinic

Suita-shi, Osaka, Japan

Site Status

Sugiura Internal Medicine Clinic

Sokashi, Saitama, Japan

Site Status

Suruga Clinic

Shizuoka, Shizuoka, Japan

Site Status

Medical Corporation Sato Medical clinic

Ootaku, Tokyo, Japan

Site Status

Heishinkai Medical Group ToCROM Clinic

Shinjuku-ku, Tokyo, Japan

Site Status

Kunisaki Makoto Clinic

Fukuoka, , Japan

Site Status

Minamiosaka Hospital

Osaka, , Japan

Site Status

Plumeria DM Clinic

Shizuoka, , Japan

Site Status

Nzoz Neuro-Kard Ilkowski i Partnerzy SPL

Poznan, Greater Poland Voivodeship, Poland

Site Status

MICS Centrum Medyczne Torun

Torun, Kuyavian-Pomeranian Voivodeship, Poland

Site Status

Medyczne Centrum Diabetologiczno Endokrynologiczno Metaboliczne DIAB-ENDO-MET

Krakow, Lesser Poland Voivodeship, Poland

Site Status

Centrum Badań Klinicznych Piotr Napora lekarze sp.p.

Wroclaw, Lower Silesian Voivodeship, Poland

Site Status

MICS Centrum Medyczne Warszawa

Warsaw, Masovian Voivodeship, Poland

Site Status

Samodzielny Publiczny Zespol Opieki Zdrowotnej w Wyszkow

Wyszków, Masovian Voivodeship, Poland

Site Status

Zdrowie Osteo-Medic

Biaystok, Podlaskie Voivodeship, Poland

Site Status

Centrum Medyczne Pratia Katowice

Katowice, Silesian Voivodeship, Poland

Site Status

Pro Familia Altera

Katowice, Silesian Voivodeship, Poland

Site Status

NZOZ Przychodnia Specjalistyczna Andrzej Wittek, Henryk Rudzki

Ruda Śląska, Silesian Voivodeship, Poland

Site Status

Centrum Terapii Wspolczesnej J. M. Jasnorzewska Spolka Komandytowo-Akcyjna

Lodz, Łódź Voivodeship, Poland

Site Status

Sejong General Hospital

Sosa-gu, Kyǒnggi-do, South Korea

Site Status

Nowon Eulji Medical Center, Eulji University

Seoul, Seoul-teukbyeolsi [Seoul], South Korea

Site Status

Konkuk University Medical Center

Seoul, Seoul-teukbyeolsi [Seoul], South Korea

Site Status

Samsung Medical Center

Seoul, Seoul-teukbyeolsi [Seoul], South Korea

Site Status

Eulji University Hospital

Daejeon, Taejǒn-Kwangyǒkshi, South Korea

Site Status

Countries

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United States Czechia Japan Poland South Korea

Related Links

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https://trials.lilly.com/en-US/trial/427360

A Study of LY3556050 in Adult Participants With Diabetic Peripheral Neuropathic Pain

Other Identifiers

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J2P-MC-LXBD

Identifier Type: OTHER

Identifier Source: secondary_id

2023-506127-29-00

Identifier Type: OTHER

Identifier Source: secondary_id

18509

Identifier Type: -

Identifier Source: org_study_id

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