A Study of Duloxetine (LY248686) in Participants With Diabetic Peripheral Neuropathic Pain (DPNP)

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

View full results

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

304 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-04-30

Study Completion Date

2017-05-13

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The main purpose of this study is to evaluate the effectiveness and safety of the study drug known as duloxetine in participants with diabetic peripheral neuropathic pain.

Related Clinical Trials

Explore similar clinical trials based on study characteristics and research focus.

A Study for the Treatment of Diabetic Peripheral Neuropathic Pain

NCT00552175

Diabetic Neuropathies

COMPLETED PHASE3

A Long-term Study for the Treatment of Painful Diabetic Neuropathy

NCT00641719

Diabetic Neuropathies

COMPLETED PHASE3

A Study in Painful Diabetic Neuropathy

NCT01089556

Diabetic Neuropathy, Painful

COMPLETED PHASE3

A Study for the Treatment of Painful Diabetic Neuropathy

NCT00058968

Diabetic Neuropathy, Painful

COMPLETED PHASE3

Study to Evaluate the Efficacy and Safety of DS-1971a for the Treatment of Diabetic Peripheral Neuropathic Pain (DPNP)

NCT02673866

Neuropathic Pain Diabetes

WITHDRAWN PHASE2

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Diabetic Peripheral Neuropathic Pain

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Duloxetine

20 milligrams (mg) duloxetine orally once a day (QD) for one week and then 40 mg duloxetine orally QD for 3 weeks. Duloxetine dosage may be increased up to 60 mg QD at week 4 or week 8. Placebo will be given with duloxetine for blinding. Dosage will be tapered down during the final week of the study.

Group Type EXPERIMENTAL

Duloxetine

Intervention Type DRUG

Administered orally

Placebo

Intervention Type DRUG

Administered orally

Pregabalin

150 mg pregabalin orally twice a day (BID) for 1 week and then 300 mg pregabalin orally BID for 3 weeks. Pregabalin dosage may be increased up to 450 mg BID at week 4 or 8, and increased up to 600 mg BID at week 8. Placebo will be given with pregabalin for blinding. Dosage will be tapered down during the final week of the study.

Group Type ACTIVE_COMPARATOR

Pregabalin

Intervention Type DRUG

Administered orally

Placebo

Intervention Type DRUG

Administered orally

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Duloxetine

Administered orally

Intervention Type DRUG

Pregabalin

Administered orally

Intervention Type DRUG

Placebo

Administered orally

Intervention Type DRUG

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

LY248686

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Participants present with pain due to bilateral, peripheral neuropathy
* Participants who have hemoglobin A1c (HbA1c) ≤9.4% (National Glycohemoglobin Standardization Program \[NGSP\]) at screening
* Participants who have HbA1c that has been measured 42 to 70 days prior to screening, and the range of variation in the values measured, thereafter, is within ±1.0% of the value measured at screening
* Participants who have a score of at least 4 on the mean of the 24-hour average pain score measured using 11-point NRS (Numeric Rating Scale) in the daily diary (should be calculated from records 7 days immediately prior to randomization)
* Participants who have made complete daily diary entries 80% or more of the time from screening to randomization

Exclusion Criteria

* Participants who have undergone renal transplant, or are currently undergoing renal dialysis
* Participants who have uncontrolled narrow-angle glaucoma, history of uncontrolled seizures, or uncontrolled or poorly controlled hypertension
* Participants whose glycemic control has been poor within 70 days immediately prior to screening (for example, ketoacidosis requiring hospitalization, or hypoglycemia that may cause consciousness disorder)
* Pregnant or lactating female participants, or male participants who are planning for their partners to be or become pregnant during the timeframe of the study
* Participants who have hypersensitivity to multiple medications
* Participants who answered "yes" to either question 4 (active suicidal ideation with some intent to act, without specific plan) or question 5 (active suicidal ideation with specific plan and intent) on the "suicidal ideation" portion of the Columbia-Suicide Severity Rating Scale (C-SSRS) or answered "yes" to any of the suicide-related behaviors (actual attempt, interrupted attempt, aborted attempt, preparatory act or behavior) on the "suicidal behavior" portion of the C-SSRS; and the ideation or behavior occurred within the past month
* Participants who have past history of psychiatric diseases, such as depression, anxiety disorder, eating disorder, etc., that required drug therapy in the past 1 year, or who are currently having complications of these diseases or any history of manic psychosis or bipolar disorder
* Participants who have major depressive disorder as determined using the depression module of the Mini-International Neuropsychiatric Interview (MINI)
* Participants who have complications of diseases that are considered to affect the assessment of diabetic peripheral neuropathic pain. For example, nerve diseases with pain other than diabetic peripheral neuropathic pain (cervical spondylosis, carpal tunnel syndrome, spinal canal stenosis, and post-herpetic pain), pain diseases other than nerve diseases (collagen diseases, gout, chronic obstructive arteriosclerosis, and arthritis), and other pain at the site of evaluation (skin diseases and traumatic injury) are excluded
* Participants who have neuropathic pain suspected to be caused by alcohol
* Participants who have been treated with a monoamine oxidase (MAO) inhibitor(s) within 14 days immediately prior to randomization. Participants who visited the investigator site 14 days prior to randomization, those who have been treated with MAO inhibitors(s), thereafter, are excluded
* Participants who have alanine aminotransferase (ALT) and aspartate aminotransferase (AST) at a level ≥100 units/liter at screening
* Participants who have total bilirubin at a level ≥1.5 milligrams/deciliter (mg/dL) at screening
* Participants who have creatinine clearance (CrCL), calculated by Cockcroft-Gault, that is \<1.0 milliliters/second (mL/s) (\<60 mL/minute) at screening
* Participants who have a white blood cell (WBC) value \<2500/cubic millimeters (mm3), neutrophils \<1500/mm3, or platelets \<100×103/mm3 on their hematology tests at screening
* Participants who are introduced to any treatments for diabetes, or a change in dosing regimen of any treatments for diabetes (exclude insulin treatment), or resumption of insulin treatment after screening
* Participants who have been treated with prohibited concomitant drug(s), or who have undergone prohibited concomitant treatment(s) after screening
* Participants who have taken restricted concomitant drugs 27 days immediately before screening, with continued use of the restricted concomitant drug prior to screening
* Participants who have taken acetaminophen for 4 days or more 7 days immediately prior to randomization

Minimum Eligible Age

20 Years

Maximum Eligible Age

79 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No