A Study in Painful Diabetic Neuropathy (COMBO-DN)

January 17, 2013 updated by: Eli Lilly and Company

Use of Duloxetine or Pregabalin in Monotherapy Versus Combination Therapy of Both Drugs in Patients With Painful Diabetic Neuropathy "The COMBO - DN (COmbination vs Monotherapy of pregaBalin and dulOxetine in Diabetic Neuropathy) Study"

This study will investigate the efficacy of a combination treatment of duloxetine + pregabalin compared with the maximal dose of each drug in monotherapy, in patients with diabetic peripheral neuropathic pain (DPNP) who have not responded to the standard recommended dose of either drug. It will provide an answer to a common clinical question, namely, is it better to increase the dose of the current monotherapy or to combine both treatments early on, in patients who do not respond to standard doses of duloxetine or pregabalin.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

811

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Australia
    • New South Wales
      • Newcastle, New South Wales, Australia, 2292
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Warrawong, New South Wales, Australia, 2502
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • South Australia
      • Elizabeth Vale, South Australia, Australia, 5112
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Canada
    • British Columbia
      • Kelowna, British Columbia, Canada, V1Y 1Z9
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Vancouver, British Columbia, Canada, V6H 3X8
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Manitoba
      • Winnipeg, Manitoba, Canada, R3P 3P4
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Nova Scotia
      • Halifax, Nova Scotia, Canada, B3H 3A7
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Ontario
      • Cambridge, Ontario, Canada, N1R 7L6
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Quebec
      • Laval, Quebec, Canada, H7T 2P5
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Croatia
      • Osijek, Croatia, 31000
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Rijeka, Croatia, HR-51000
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Varazdin, Croatia, 42000
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Zagreb, Croatia, 10000
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • France
      • Angers, France, 49933
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Antibes Juan Les Pins, France, 06600
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Bourges, France, 18000
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Nevers, France, 58000
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Nimes, France, 30029
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Paris, France, 75018
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Valenciennes, France, 59322
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Vierzon, France, 18100
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Vieux Conde, France, 59690
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Germany
      • Dresden, Germany, 01307
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Schkeuditz, Germany, 04435
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Greece
      • Ampelokipoi, Greece, 11527
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Athens, Greece, 11521
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Melissia, Greece, 15126
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Italy
      • Catania, Italy, 95100
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Milano, Italy, 20162
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Napoli, Italy, 80131
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Rome, Italy, 00161
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Korea, Republic of
      • Seoul, Korea, Republic of, 138-736
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Mexico
      • Mexico City, Mexico, 38000
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Netherlands
      • Eindhoven, Netherlands, 5623 EJ
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Maastricht, Netherlands, 6229 HX
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Poland
      • Bialystok, Poland, 15-445
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Lublin, Poland, 20-538
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Szczecin, Poland, 70-506
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Wroclaw, Poland, 50-127
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Spain
      • Girona, Spain, 17007
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Valencia, Spain, 46010
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Sweden
      • Falkoping, Sweden, SE 52143
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Huddinge, Sweden, SE 141 86
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Lund, Sweden, 22185
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Stockholm, Sweden, 11522
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Switzerland
      • Zuerich, Switzerland, CH-8091
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Turkey
      • Ankara, Turkey, 06100
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Izmir, Turkey, 35340
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • United Kingdom
      • Ashton-Under-Lyne, United Kingdom, OL6 9RW
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Chorley, United Kingdom, PR7 1PP
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Greater Manchester
      • Manchester, Greater Manchester, United Kingdom, M13 0JE
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Scotland
      • Ayrshire, Scotland, United Kingdom, KA6 6DX
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Warwickshire
      • Nuneaton, Warwickshire, United Kingdom, CV10 7BL
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • West Lothian
      • Livingston, West Lothian, United Kingdom, EH54 6PP
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Pain due to bilateral peripheral neuropathy (caused by type 1 or type 2 diabetes mellitus. Pain must begin in the feet, with relatively symmetrical onset. Daily pain should be present for more than 3 months [assessed by questioning patient]).
  • Score of at least 4 on the 24-hour average pain severity score on an 11-point Likert scale [on Brief Pain Inventory (BPI) Modified Short Form] at screening and at randomization.
  • Patient is currently not receiving treatment for diabetic peripheral neuropathic pain (DPNP) or was receiving treatment for DPNP, with a drug other than pregabalin or duloxetine, and completed the required washout
  • Patient has never received treatment with duloxetine or pregabalin. (However, a short course of less than 15 days of treatment, at any time previously, will be allowed.)
  • Stable glycemic control, as assessed by a physician investigator, and hemoglobin A1c (HbA1c) less than or equal to 12% at screening.

Exclusion Criteria:

  • Have a known hypersensitivity to duloxetine or pregabalin or any of the inactive ingredients or have any contraindication for the use of duloxetine or pregabalin.
  • Have uncontrolled narrow-angle glaucoma.
  • Have received treatment with a monoamine oxidase inhibitor (MAOI) within 14 days prior to randomization, or have a potential need to use a MAOI during the study or within 5 days after discontinuation of study drug.
  • Have received fluoxetine within 30 days prior to randomization.
  • Have acute liver injury (such as hepatitis) or severe cirrhosis (Child-Pugh Class C).
  • Have a serum creatinine greater than or equal to 1.5 milligram per deciliter (mg/dL) or a creatinine clearance less than 60 milliliter per minute (mL/min), at screening.
  • Are judged clinically by the investigator to be at suicidal risk or as defined by a score of 2 or greater on Question 9 of the Beck Depression Inventory-II (BDI-II), at screening or randomization
  • Have a historical exposure to drugs known to cause neuropathy (for example, vincristine), or a history of a medical condition, including pernicious anemia and hypothyroidism, that could have been responsible for neuropathy.
  • Have pain that cannot be clearly differentiated from or conditions that interfere with the assessment of the DPNP.
  • Have serious or unstable cardiovascular, hepatic, renal, respiratory or hematological illness; symptomatic peripheral vascular disease; a history of seizure disorder; or other medical (including unstable hypertension and not clinically euthyroid) or psychological conditions that, in the opinion of the investigator, would compromise participation or be likely to require hospitalization during the course of the study.
  • Have received non-pharmacological treatment for pain within 14 days prior to randomization, or do not agree to abstain from non-pharmacological treatment during the study.
  • Have a history of frequent and/or severe allergic reactions with multiple medications.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Duloxetine

Initial Treatment:

Duloxetine 30 milligram (mg) daily for 1 week

Duloxetine 60 mg daily for 7 weeks

Intensive Treatment:

Duloxetine 90 mg (60 mg in the morning, 30 mg in the evening) daily for 1 week

Duloxetine 120 mg (60 mg twice daily) daily for 7 weeks
Drug: Duloxetine
Administered orally
Other Names:
  • Cymbalta
  • LY248686
Drug: Placebo
Administered orally, daily as a blind for duloxetine and/or pregabalin for 8 or 16 weeks
Experimental: Pregabalin+Duloxetine

Initial Treatment:

Pregabalin 150 mg daily for 1 week

Pregabalin 300 mg (150 mg twice daily) daily for 7 weeks

Intensive Treatment:

Pregabalin 300 mg (150 mg twice daily) daily for 8 weeks

Duloxetine 30 mg daily for 1 week

Duloxetine 60 mg daily for 7 weeks
Drug: Duloxetine
Administered orally
Other Names:
  • Cymbalta
  • LY248686
Drug: Pregabalin
Administered orally
Drug: Placebo
Administered orally, daily as a blind for duloxetine and/or pregabalin for 8 or 16 weeks
Experimental: Pregabalin

Initial Treatment:

Pregabalin 150 mg daily for 1 week

Pregabalin 300 mg (150 mg twice daily) daily for 7 weeks

Intensive Treatment:

Pregabalin 450 mg (300 mg in the morning, 150 mg in the evening) daily for 1 week

Pregabalin 600 mg (300 mg twice daily) daily for 7 weeks
Drug: Pregabalin
Administered orally
Drug: Placebo
Administered orally, daily as a blind for duloxetine and/or pregabalin for 8 or 16 weeks
Experimental: Duloxetine + Pregabalin

Initial Treatment:

Duloxetine 30 mg daily for 1 week

Duloxetine 60 mg daily for 7 weeks

Intensive Treatment:

Duloxetine 60 mg daily for 8 weeks

Pregabalin 150 mg daily for 1 week

Pregabalin 300 mg (150 mg twice daily) daily for 7 weeks
Drug: Duloxetine
Administered orally
Other Names:
  • Cymbalta
  • LY248686
Drug: Pregabalin
Administered orally
Drug: Placebo
Administered orally, daily as a blind for duloxetine and/or pregabalin for 8 or 16 weeks

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change From Week 8 to Week 16 Endpoint in 24 Hour Average Pain Item Score on the Brief Pain Inventory (BPI) Modified Short Form
Time Frame: Week 8, Week 16
BPI Modified Short Form 24-Hour average pain item score is a self-reported scale that measures the severity of pain based on the average pain experienced over the past 24 hours. The severity scores range from 0 (no pain) to 10 (pain as severe as you can imagine). Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, baseline value, visit, treatment*visit, baseline*visit and treatment in Study Period II.
Week 8, Week 16

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Mean Change From Week 8 to Week 16 Endpoint in Items of the Brief Pain Inventory (BPI) Modified Short Form Worst Pain Score
Time Frame: Week 8, Week 16
BPI Modified Short Form worst pain score is a self-reported scale that measures the severity of pain based on the worst pain experienced over the past 24 hours. The severity scores range from 0 (no pain) to 10 (pain as severe as you can imagine). Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, baseline value, visit, treatment*visit, baseline*visit and treatment in Study Period II.
Week 8, Week 16
Percentage of Participants With a Reduction of Greater Than or Equal to 30% on Brief Pain Inventory (BPI) Modified Short Form 24-Hour Average Pain Item Score at Week 16 Endpoint
Time Frame: Week 8 through Week 16
BPI Modified Short Form 24-Hour average pain item score is a self-reported scale that measures the severity of pain based on the average pain experienced over the past 24 hours. The severity scores range from 0 (no pain) to 10 (pain as severe as you can imagine).
Week 8 through Week 16
Percentage of Participants With a Reduction of Greater Than or Equal to 50% on Brief Pain Inventory (BPI) Modified Short Form 24-Hour Average Pain Item Score at Week 16 Endpoint
Time Frame: Week 8 through Week 16
BPI Modified Short Form 24-Hour average pain item score is a self-reported scale that measures the severity of pain based on the average pain experienced over the past 24 hours. The severity scores range from 0 (no pain) to 10 (pain as severe as you can imagine).
Week 8 through Week 16
Percentage of Participants With a Decrease of Greater Than or Equal to 2 Points on Brief Pain Inventory (BPI) Modified Short Form 24-Hour Average Pain Item Score at Week 16 Endpoint
Time Frame: Week 8 through Week 16
BPI Modified Short Form 24-Hour average pain item score is a self-reported scale that measures the severity of pain based on the average pain experienced over the past 24 hours. The severity scores range from 0 (no pain) to 10 (pain as severe as you can imagine).
Week 8 through Week 16
Clinical Global Impression of Improvement (CGI-I) at Week 16 Endpoint
Time Frame: Week 16
Measures clinician's perception of participant improvement at the time of assessment compared with the start of treatment for Study Period III. Scores range from 1 (very much better) to 7 (very much worse). Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, baseline value, visit, treatment*visit, baseline*visit and treatment in Study Period II.
Week 16
Mean Change From Week 8 to Week 16 Endpoint on the Neuropathic Pain Symptom Inventory (NPSI) Questionnaire
Time Frame: Week 8, Week 16
The NPSI is a 12-item self-administered questionnaire to assess 5 different dimensions of neuropathic pain: superficial spontaneous burning pain, deep spontaneous pressing pain, paroxysmal pain, evoked pains, and paresthesias/dysesthesias. A total score ranges from 0 to 100. Higher score indicates a greater intensity of pain. Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, baseline value, visit, treatment*visit, baseline*visit and treatment in Study Period II.
Week 8, Week 16
Mean Change From Week 8 to Week 16 Endpoint in Sheehan Disability Scale (SDS)
Time Frame: Week 8, Week 16
The SDS is completed by the participant and is used to assess the effect of the participant's symptoms on their work (Item 1), social (Item 2), and family life (Item 3). Each item is measured on a 0 (not at all) to 10 (extremely) point scale with higher values indicating greater disruption. Total scores is the sum of the 3 items and range from 0 to 30 with higher values indicating greater disruption in the participant's work/social/family life. Least Squares (LS) Mean values are controlled for treatment, site, baseline value, treatment*site and treatment in Study Period II.
Week 8, Week 16
Mean Change From Week 8 to Week 16 Endpoint in Hospital Anxiety and Depression Scale (HADS)
Time Frame: Week 8, Week 16
A 14-item questionnaire with 2 subscales: anxiety and depression. Each item is rated on a 4-point scale (0-3), giving maximum scores of 21 for anxiety and for depression. Scores of 11 or more on either subscale are considered to be a significant case of psychological morbidity, while scores of 8-10 represent 'borderline' and 0-7 represent 'normal.' Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, baseline value, visit, treatment*visit, baseline*visit and treatment in Study Period II.
Week 8, Week 16
Resource Utilization (Number of Days Hospitalized, Number of Days of Sick Leave) Week 8 Through Week 16
Time Frame: Week 8 through Week 16
Data presented are the number of days hospitalized and work/school missed (sick leave) due to diabetic peripheral neuropathic pain (DPNP) during the last 8 weeks.
Week 8 through Week 16
Patient Global Impression of Improvement (PGI-I) Score at Week 16 Endpoint
Time Frame: Week 16
Measures participant's perception of improvement at the time of assessment compared with the start of treatment for Study Period III. The score ranges from 1 (very much better) to 7 (very much worse). Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, baseline value, visit, treatment*visit, baseline*visit and treatment in Study Period II.
Week 16
Mean Change in Blood Pressure (BP) From Week 8 to Week 16 Endpoint
Time Frame: Week 8, Week 16
Least Squares (LS) mean values are controlled for treatment, site, baseline value, treatment*site and treatment in Study Period II.
Week 8, Week 16
Mean Change in Heart Rate From Week 8 to Week 16 Endpoint
Time Frame: Week 8, Week 16
Least Squares (LS) mean values are controlled for treatment, site, baseline value, treatment*site and treatment in Study Period II.
Week 8, Week 16
Number of Participants With Treatment Emergent Adverse Events (TEAEs) Between Week 8 and Week 16 Endpoint
Time Frame: Week 8 through Week 16
TEAEs in Study Period III are events that began or worsened after Week 8 compared with the period before Week 8.
Week 8 through Week 16
Number of Participants Who Discontinued From Study Between Week 8 and Week 16 Endpoint
Time Frame: Week 8 through Week 16
Week 8 through Week 16

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
Mean Change From Baseline to Week 8 Endpoint in 24 Hour Average Pain Item Score on the Brief Pain Inventory (BPI) Modified Short Form
Time Frame: Baseline, Week 8
BPI Modified Short Form 24-Hour average pain item score is a self-reported scale that measures the severity of pain based on the average pain experienced over the past 24 hours. The severity scores range from 0 (no pain) to 10 (pain as severe as you can imagine). Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, baseline value, visit, treatment*visit and baseline*visit.
Baseline, Week 8
Percentage of Participants With a Reduction of Greater Than or Equal to 30% on Brief Pain Inventory (BPI) Modified Short Form 24-Hour Average Pain Item Score at Week 8 Endpoint
Time Frame: Baseline through Week 8
BPI Modified Short Form 24-Hour average pain item score is a self-reported scale that measures the severity of pain based on the average pain experienced over the past 24 hours. The severity scores range from 0 (no pain) to 10 (pain as severe as you can imagine).
Baseline through Week 8
Percentage of Participants With a Reduction of Greater Than or Equal to 50% on Brief Pain Inventory (BPI) Modified Short Form 24-Hour Average Pain Item Score at Week 8 Endpoint
Time Frame: Baseline through Week 8
BPI Modified Short Form 24-Hour average pain item score is a self-reported scale that measures the severity of pain based on the average pain experienced over the past 24 hours. The severity scores range from 0 (no pain) to 10 (pain as severe as you can imagine).
Baseline through Week 8
Percentage of Participants With a Decrease of Greater Than or Equal to 2 Points on Brief Pain Inventory (BPI) Modified Short Form 24-Hour Average Pain Item Score at Week 8 Endpoint
Time Frame: Baseline through Week 8
BPI Modified Short Form 24-Hour average pain item score is a self-reported scale that measures the severity of pain based on the average pain experienced over the past 24 hours. The severity scores range from 0 (no pain) to 10 (pain as severe as you can imagine).
Baseline through Week 8
Clinical Global Impression of Improvement (CGI-I) at Week 8 Endpoint
Time Frame: Week 8
Measures clinician's perception of participant improvement at the time of assessment compared with the start of treatment. Scores range from 1 (very much better) to 7 (very much worse). Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, visit, and treatment*visit.
Week 8
Mean Change From Baseline to Week 8 Endpoint on the Neuropathic Pain Symptom Inventory (NPSI) Questionnaire
Time Frame: Baseline, Week 8
The NPSI is a 12-item self-administered questionnaire to assess 5 different dimensions of neuropathic pain: superficial spontaneous burning pain, deep spontaneous pressing pain, paroxysmal pain, evoked pains, and paresthesias/dysesthesias. A total score ranges from 0 to 100. Higher score indicates a greater intensity of pain. Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, baseline value, visit, treatment*visit and baseline*visit.
Baseline, Week 8
Mean Change From Baseline to Week 8 Endpoint in Sheehan Disability Scale (SDS)
Time Frame: Baseline, Week 8
The SDS is completed by the participant and is used to assess the effect of the participant's symptoms on their work (Item 1), social (Item 2), and family life (Item 3). Each item is measured on a 0 (not at all) to 10 (extremely) point scale with higher values indicating greater disruption. Total scores is the sum of the 3 items and range from 0 to 30 with higher values indicating greater disruption in the participant's work/social/family life. Least Squares (LS) mean values are controlled for treatment, site, baseline value and treatment*site.
Baseline, Week 8
Mean Change From Baseline to Week 8 Endpoint in Hospital Anxiety and Depression Scale (HADS)
Time Frame: Baseline, Week 8
A 14-item questionnaire with 2 subscales: anxiety and depression. Each item is rated on a 4-point scale (0-3), giving maximum scores of 21 for anxiety and for depression. Scores of 11 or more on either subscale are considered to be a significant case of psychological morbidity, while scores of 8-10 represent 'borderline' and 0-7 represent 'normal.' Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, baseline value, visit, treatment*visit and baseline*visit.
Baseline, Week 8
Resource Utilization (Number of Days Hospitalized, Number of Days of Sick Leave) Baseline Through Week 8
Time Frame: Baseline through Week 8
Data presented are the number of days hospitalized and work/school missed (sick leave) due to diabetic peripheral neuropathic pain (DPNP) during the last 8 weeks.
Baseline through Week 8
Average Number of Hours Worked for Pay Per Week Baseline Through Week 8
Time Frame: Baseline through Week 8
Data presented are the average number of hours worked for pay per week during the last 8 weeks.
Baseline through Week 8
Average Number of Hours Worked for Pay Per Week Week 8 Through Week 16
Time Frame: Week 8 through Week 16
Data presented are the average number of hours worked for pay per week during the last 8 weeks.
Week 8 through Week 16
Patient Global Impression of Improvement (PGI-I) Score at Week 8 Endpoint
Time Frame: Week 8
Measures participant's perception of improvement at the time of assessment compared with the start of treatment. The score ranges from 1 (very much better) to 7 (very much worse). Mixed-effects model repeated measures (MMRM) analysis was used to calculate Least Squares (LS) Mean and 95% Confidence Interval (CI). LS Mean values are controlled for treatment, site, visit, and treatment*visit.
Week 8
Mean Change in Blood Pressure (BP) From Baseline to Week 8 Endpoint
Time Frame: Baseline, Week 8
Least Squares (LS) mean values are controlled for treatment, site, baseline value, and treatment*site.
Baseline, Week 8
Mean Change in Heart Rate From Baseline to Week 8 Endpoint
Time Frame: Baseline, Week 8
Least Squares (LS) mean values are controlled for treatment, site, baseline value, and treatment*site.
Baseline, Week 8
Number of Participants With Treatment Emergent Adverse Events (TEAE) Between Baseline and Week 8 Endpoint
Time Frame: Baseline through Week 8
TEAEs in Study Period II are events that began or worsened after Week 0 compared with the period before Week 0.
Baseline through Week 8
Number of Participants Who Discontinued From Study Between Baseline and Week 8 Endpoint
Time Frame: Baseline through Week 8
Baseline through Week 8

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Eli Lilly and Company

Collaborators

Boehringer Ingelheim

Investigators

  • Study Director: Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5AM Eastern time (UTC/GMT - 5 hours, EST), Eli Lilly and Company

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

March 1, 2010

Primary Completion (Actual)

November 1, 2011

Study Completion (Actual)

November 1, 2011

Study Registration Dates

First Submitted

March 15, 2010

First Submitted That Met QC Criteria

March 17, 2010

First Posted (Estimate)

March 18, 2010

Study Record Updates

Last Update Posted (Estimate)

January 24, 2013

Last Update Submitted That Met QC Criteria

January 17, 2013

Last Verified

January 1, 2013

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 13084
  • F1J-EW-HMGQ (Other Identifier: Eli Lilly and Company)

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Diabetic Neuropathy, Painful

Clinical Trials on Duloxetine

Search Similar Trials

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in Portugal

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations

Subscribe