Pregabalin and Alpha-lipoic Acid Combination Versus Each Monotherapy in Patients With Diabetic Peripheral Neuropathy

NCT ID: NCT04846673

Last Updated: 2025-04-03

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

PHASE4

Total Enrollment

151 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-05-14

Study Completion Date

2022-11-30

Brief Summary

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This study is a randomized, parallel, open-label, multicenter, phase IV clinical trial to assess the efficacy and safety of pregabalin and alpha-lipoic acid combination compared with each monotherapy in patients with diabetic peripheral neuropathy for 12 weeks.

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

NONE

Study Groups

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Pregabalin and alpha-lipoic acid combination therapy

Alpha-lipoic acid 480 mg/tablet once daily before breakfast and Pregabalin 150 mg/tablet once daily before bedtime will be administrated for 12 weeks.

Group Type EXPERIMENTAL

Pregabalin 150mg + Alpha-lipoic acid 480mg

Intervention Type DRUG

Pregabalin qd + alpha-lipoic acid qd

Pregabalin monotherapy

Pregabalin 150 mg/tablet once daily before bedtime will be administrated for 12 weeks.

Group Type EXPERIMENTAL

Pregabalin 150mg

Intervention Type DRUG

pregabalin qd

Alpha-lipoic acid monotherapy

Alpha-lipoic acid 480 mg/tablet once daily before breakfast will be administrated for 12 weeks.

Group Type ACTIVE_COMPARATOR

Alpha-Lipoic Acid 480mg

Intervention Type DRUG

alpha-lipoic acid qd

Interventions

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Pregabalin 150mg + Alpha-lipoic acid 480mg

Pregabalin qd + alpha-lipoic acid qd

Intervention Type DRUG

Pregabalin 150mg

pregabalin qd

Intervention Type DRUG

Alpha-Lipoic Acid 480mg

alpha-lipoic acid qd

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* aged 19 to 75
* type 2 diabetes mellitus with HbA1c (Hemoglobin A1c) ≤ 10 %
* peripheral (eg. hands, feet) neuropathic pain (eg. abnormal sensations, numbness, pain, etc.) within 3 months (12 weeks)
* diagnosed with diabetic peripheral neuropathy (DPN)
* VAS pain score ≥ 40 mm
* written informed consent

Exclusion Criteria

* brittle diabetes mellitus
* ALT (Alanine Transaminase), AST (Aspartate Transaminase), CPK (Creatine Phosphokinase) level ≥ 3 times the upper limit of normal (UNL) or active liver disease
* severe renal impairment (eGFR (estimated glomerular filtration rate) \< 60 mL/min/ 1.73m2)
* treated with antiepileptic drugs within 1 week at randomization
* other nervous system or neuropathic disorders that may affect pain evaluation
* oral drug administration is not possible, or hypersensitive or allergic to pregabalin, r-thioctic acid tromethamine, thioctic acid, and other excipients
* pregnant, lactating, or childbearing potential
* alcoholics, drug abusers, and patients who are difficult to participate in clinical trials due to psychological and emotional problems
* have participated in other clinical trials within 30 days at screening
Minimum Eligible Age

19 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Yuhan Corporation

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Jongchul Won

Role: PRINCIPAL_INVESTIGATOR

Inje University

Locations

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Pusan National University Hospital

Busan, , South Korea

Site Status

Chosun University Hospital, School of Medicine, Chosun University

Gwangju, , South Korea

Site Status

Dongtan Sacred Heart Hospital, Hallym University College of Medicine

Gyeonggi-do, , South Korea

Site Status

Seoul National University Bundang Hospital

Gyeonggi-do, , South Korea

Site Status

The Catholic University of Korea, Incheon ST. Mary's Hospital

Incheon, , South Korea

Site Status

Jeju National University College of Medicine

Jeju City, , South Korea

Site Status

Jeonbuk National University Hospital

Jeollabuk-do, , South Korea

Site Status

Asan Medical Center, University of Ulsan College of Medicine

Seoul, , South Korea

Site Status

Inje University Sanggye Paik Hospital

Seoul, , South Korea

Site Status

Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine

Seoul, , South Korea

Site Status

Korea University Guro Hospital

Seoul, , South Korea

Site Status

Seoul St.Mary's Hospital, The Catholic University of Korea

Seoul, , South Korea

Site Status

Yeouido St. Mary's Hospital, The Catholic University of Korea

Seoul, , South Korea

Site Status

Ulsan University Hospital, College of Medicine University of Ulsan

Ulsan, , South Korea

Site Status

Countries

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South Korea

Other Identifiers

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YMC045

Identifier Type: -

Identifier Source: org_study_id

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