New drug aims to ease chronic nerve pain from polyneuropathy
NCT ID NCT06568042
First seen Jun 26, 2026 · Last updated Jul 10, 2026 · Updated 2 times
Summary
This study tests a new drug called LY3848575 for people with long-term nerve pain starting in the feet and moving up the legs. About 558 participants will receive either the drug or a placebo to see if it safely reduces pain. The trial lasts up to 30 weeks and measures pain intensity and sleep interference.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- LY3848575
- What this could lead to
- If it works, this could provide a new option for easing chronic nerve pain in the feet and legs.
- What could go wrong
- This is a phase 2 dose-finding study, so it is still early. The drug may not reduce pain more than placebo, and side effects are unknown.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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558 people
The number who actually took part.
- Started
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Aug 2024
- Finished
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Apr 2026
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Have a Visual Analog Scale (VAS) pain value ≥40 and \<95 at screening. * Presence of painful distal sensory polyneuropathy (DSP) without prominent motor or autonomic features with gradual or insidious onset with a minimum duration of 6 months and a known cause of nerve injury, such as metabolic, toxic exposure, nutritional, immunologic, infectious, hereditary, multifactorial, or no known cause identified (idiopathic), of symmetrical nature and in lower extremities (with or without involvement of the hands). * Are willing to maintain a consistent regimen of any ongoing nonpharmacologic pain- relieving therapies and/or nutritional supplements and will not start any new nonpharmacologic pain-relieving therapies and/or nutritional supplements during study participation. * Are willing to discontinue all medications taken for chronic pain conditions, except the allowed pain medications. * Individuals NOT of childbearing potential may participate in the trial. Contraceptive use by participants should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. Exclusion Criteria: * Other etiologies of pain that may not be due to DSP or confound the assessment due to painful DSP. * Have had a procedure within the past 6 months intended to produce permanent sensory loss in the target area of interest. * Have not achieved glycemic control on a stable diabetes treatment regimen for at least 90 days prior to screening, have a healthcare provider who manages the participants' diabetes, and have a hemoglobin A1c (HbA1c) \>11% at screening. * Cancer within 2 years of baseline, except for: * cutaneous basal cell or squamous cell carcinoma resolved by excision, or * cancer treatment which led to chemotherapy that caused distal sensory polyneuropathy. * Are, in the judgment of the investigator, actively suicidal and therefore deemed to be at significant risk for suicide. * Have a surgery planned during the study for any reason. * History of chronic alcohol, illicit drug, or narcotic use disorder within 2 years prior to screening.
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Get notified about this study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Accel Research Sites - St. Pete-Largo Clinical Research Unit
Largo, Florida, 33777, United States
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Aizawa Hospital
Matsumoto, 390-0814, Japan
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Alpine Clinical Research Center
Boulder, Colorado, 80301, United States
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Asama General Hospital
Saku, 385-0022, Japan
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Asheville Neurology Specialists, PA
Asheville, North Carolina, 28806, United States
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Biopharma Informatic, LLC
Houston, Texas, 77043, United States
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Bluewater Clinical Research Group Inc.
Sarnia, N7T 4X3, Canada
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Cedar Health Research
Dallas, Texas, 75251, United States
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Center for Clinical Research
Winston-Salem, North Carolina, 27103, United States
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Centro de Investigacion Clinica de Oaxaca
Oaxaca City, 68020, Mexico
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Centro de Investigación Clínica y Medicina Traslacional (CIMeT)
Guadalajara, 44340, Mexico
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Centrum Badan Klinicznych PI-House sp. z o.o.
Gdansk, 80-546, Poland
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Centrum Medyczne NEUROMED
Bydgoszcz, 85-163, Poland
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Charter Research - Lady Lake
The Villages, Florida, 32162, United States
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Chosun University Hospital
Gwangju, 61453, South Korea
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Chugoku Central Hospital
Fukuyama-shi, 720-0001, Japan
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Cicmex Centro de Investigación Clínica de México
Morelia, 58000, Mexico
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Clinical Trial Network
Houston, Texas, 77074, United States
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Conquest Research
Winter Park, Florida, 32789, United States
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Conquest Research - Orlando
Orlando, Florida, 32832, United States
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Dawson Clinical Research Inc.
Guelph, N1H 1B1, Canada
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Design Neuroscience Center
Miami Lakes, Florida, 33016, United States
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Diamond Clinic
Krakow, 31-559, Poland
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Encore Medical Research - Weston
Weston, Florida, 33331, United States
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Fujigaki Clinic
Ōita, 870-0942, Japan
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FutureMeds GmbH
Berlin, 10629, Germany
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Genge Partners
Montreal, H4A 3T2, Canada
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Grupo Medico Camino Sc
Mexico City, 03310, Mexico
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HOPE Research Institute
Phoenix, Arizona, 85032, United States
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Health Pharma Querétaro
Juriquilla, 76230, Mexico
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Integrated Clinical Trial Services, Inc.
West Des Moines, Iowa, 50265, United States
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Investigación Clínica Cuernavaca, S.C.
Cuernavaca, 62448, Mexico
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Kamezawa Clinic
Kasugai, 486-0817, Japan
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Kikuchi Naika Clinic
Maebashi, 370-3573, Japan
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Kojunkai Daido Hospital
Nagoya, 457-8511, Japan
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Konkuk University Medical Center
Seoul, 05030, South Korea
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Lucida Clinical Trials
New Bedford, Massachusetts, 02740, United States
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MD First Research - Chandler
Chandler, Arizona, 85286, United States
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MICS Centrum Medyczne Warszawa - Chłodna
Warsaw, 00-872, Poland
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Med Trust Research
Courtice, L1E 2J5, Canada
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Medical Care and Research SA de CV
Mérida, 97070, Mexico
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Medical Corporation Sato Medical Clinic
Ootaku, 143-0015, Japan
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Mid Hudson Medical Research
New Windsor, New York, 12553, United States
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Minamiosaka Hospital
Osaka, 559-0012, Japan
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Mito Medical Center
Higashiibaraki, 311-3117, Japan
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Neuro-Care Sp. z o.o. sp. kom.
Katowice, 40-749, Poland
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Neuro-Pain Medical Center
Fresno, California, 93710, United States
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Neurology Diagnostics, Inc.
Dayton, Ohio, 45459, United States
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New Phase Research and Development
Knoxville, Tennessee, 37909, United States
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Nishinomiya Municipal Central Hospital
Nishinomiya, 663-8014, Japan
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Niwa Family Clinic
Tokyo, 182-0006, Japan
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Northwest Clinical Research Center
Bellevue, Washington, 98007, United States
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Nzoz Neuro-Kard Ilkowski i Partnerzy SPL
Poznan, 61-853, Poland
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OCT Research ULC
Kelowna, V1Y 1Z9, Canada
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Podlaskie Centrum Psychogeriatrii
Bialystok, 15-756, Poland
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Premier Clinical Trial Network
Hamilton, L8L5G4, Canada
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Richmond Clinical Trials
Richmond, V6V 2L1, Canada
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Rinku General Medical Center
Izumisano, 598-8577, Japan
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SKY Integrative Medical Center/SKYCRNG
Ridgeland, Mississippi, 39157, United States
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Saga-Ken Medical Centre Koseikan
Saga, 840-8571, Japan
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Sagara Hospital
Kagoshima, 892-0833, Japan
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Samsung Medical Center
Seoul, 06351, South Korea
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Santa Familia PTG Lodz
Lodz, 90-302, Poland
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Scientia Investigacion Clinica S.C.
Chihuahua City, 31207, Mexico
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Seoul National University Hospital
Seoul, 03080, South Korea
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Severance Hospital, Yonsei University Health System
Seoul, 03722, South Korea
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St. Luke's International Hospital
Chūōku, 104-8560, Japan
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Studienzentrum Dr. Bischof GmbH
Böblingen, 71034, Germany
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Studienzentrum Nord-West
Westerstede, 26655, Germany
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StudyMetrix Research
City of Saint Peters, Missouri, 63303, United States
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The Cancer Institute Hospital of JFCR
Kōtō City, 135-8550, Japan
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The Catholic Univ. of Korea Seoul St. Mary's Hospital
Seoul, 06591, South Korea
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Tokyo Shinagawa Hospital
Shinagawa-ku, 140-8522, Japan
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Universitaetsklinikum Schleswig-Holstein Campus Kiel
Kiel, 24105, Germany
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University of Rochester Medical Center
Rochester, New York, 14618, United States
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ZNS Siegen
Siegen, 57076, Germany
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Scientists map the daily rhythms of chronic pain
- Can zapping two brain regions at once quiet chronic nerve pain?
- Can a mindfulness app ease the stress of hospitalization?
- Zapping the brain to loosen stiff legs and quiet nerve pain in MS?
- Ancient Mind-Body practice put to the test for spinal cord injury pain
- Can a skin injection of ketamine and lidocaine tame CRPS pain?