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Study to Evaluate the Analgesic Efficacy of 28 Days' Oral Administration of AZD2066 Compared With Placebo in Patients With Painful Diabetic Neuropathy

8. november 2012 opdateret af: AstraZeneca

A Phase IIa, Double-Blind, Randomised, Parallel-Group, Multi-Centre Study to Evaluate the Analgesic Efficacy of 28 Days' Oral Administration of AZD2066 Compared With Placebo in Patients With Painful Diabetic Neuropathy

The purpose of this study is to investigate if AZD2066 can relieve the pain arising from painful diabetic neuropathy compared to placebo.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

127

Fase

  • Fase 2

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Forenede Stater
    • Arkansas
      • Bella Vista, Arkansas, Forenede Stater
        • Reserach Site
    • California
      • National City, California, Forenede Stater
        • Research Site
      • Walnut Creek, California, Forenede Stater
        • Research Site
    • Florida
      • Clearwater, Florida, Forenede Stater
        • Research Site
      • Deland, Florida, Forenede Stater
        • Research Site
      • Lauderdale Lakes, Florida, Forenede Stater
        • Research Site
      • Miami, Florida, Forenede Stater
        • Research Site
      • Orlando, Florida, Forenede Stater
        • Research Site
      • Pembroke Pines, Florida, Forenede Stater
        • Research Site
    • Kentucky
      • Madisonville, Kentucky, Forenede Stater
        • Research Site
    • Maryland
      • Owing Mills, Maryland, Forenede Stater
        • Research Site
    • Michigan
      • Bingham Farms, Michigan, Forenede Stater
        • Research Site
    • New Jersey
      • Willingboro, New Jersey, Forenede Stater
        • Research Site
    • New York
      • Albany, New York, Forenede Stater
        • Reasearch Site
    • North Carolina
      • Winston-Salem, North Carolina, Forenede Stater
        • Research Site
    • Pennsylvania
      • Indiana, Pennsylvania, Forenede Stater
        • Research Site
      • Philadelphia, Pennsylvania, Forenede Stater
        • Research Site
    • Texas
      • Houston, Texas, Forenede Stater
        • Research Site
      • San Antonio, Texas, Forenede Stater
        • Research Site

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 80 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Provision of informed consent prior to any study specific procedures.
  • Clinical diagnosis of painful diabetic neuropathy.
  • non-fertile females

Exclusion Criteria:

  • Other pain that may confound assessment of neuropathic pain.
  • Ongoing significant peripheral arterial diseases, skin ulcers, or amputation in the lower extremities.
  • History of psychotic disorders among first degree relatives.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Firedobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: 1
Medicin: AZD2066
Capsule, once daily, 12 mg AZD2066 day 1-4 and 18 mg AZD2066 day 5-28.
Placebo komparator: 2
Medicin: Placebo
Kapsel, én gang dagligt

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in Mean Numerical Rating Scale (NRS) Score From Baseline to Last 5 Days of Treatment
Tidsramme: From baseline to day 28

Change of mean pain intensity from 5-day baseline to the last 5 days of treatment, measured twice daily with NRS (12 hours recall).

Mean pain intensity for 5-day baseline period (evening Day -6 to moning Day-1) and mean pain intensity for last 5 days on treatment (ie, last dose day and the 4 preceding calendar days) was calculated based on the numerical rating scale (NRS)(0-10). 0=No pain, 10=Worst pain imaginable.
From baseline to day 28

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Daily Numerical Rating Scale (NRS) Pain Scores and Change From Baseline Over Time to Day 28.
Tidsramme: From baseline to 28 days
Mean pain intensity per day (mean of morning and evening NRS values) and change from baseline were calculated for each study day. Baseline value= mean pain intensity for the 5-day baseline period. NRS scale (0- 10) where 0= No pain and 10= Worst pain imaginable.
From baseline to 28 days
Number of Patients With >=30% Reduction From Baseline in Numerical Rating Scale (NRS) Pain Intensity Score at Day 28
Tidsramme: 28 days
Pain intensity score reduction=(change from baseline at D28/baseline)*100 Responder= pain intensity score reduction ≥30% (yes/no)? Responder rate= (no. of responders/total no. of patients)*100
28 days
Number of Patients With >=50% Reduction From Baseline in Numerical Rating Scale (NRS) Pain Intensity Score at Day 28
Tidsramme: 28 days
Pain intensity score reduction= (change from baseline D28/baseline)*100 Responder=pain intensity score reduction ≥50% (Yes/No)? Responder rate= (no. of responders/total no. of patients)*100
28 days
Number of Patients With Patient Global Impression of Change (PGIC) Score of at Least "Much Improved" at Day 28.
Tidsramme: 28 days

Patient Global Impression of Change (PGIC) scale ranges from 1-7, where 1= Very much improved and 7= Very much worse.

Responder= Patient with a response of "much improved" or "very much improved" Responder rate= (no. of responders/total no. of patients)*100
28 days
Change in McGill Pain Questionnaire Short Form (MPQ-SF) Sensory Index From Baseline to Day 28.
Tidsramme: From baseline to day 28.

Sensory index= sum of the intensity scale values of the words chosen for the descriptors 1-11 in the questionnaire. Range of scores for the sensory index= 0-33 (higher score represents a worse condition).

Change from baseline (measured prior to randomization) to Day 28 was calculated.
From baseline to day 28.
Change in McGill Pain Questionnaire Short Form (MPQ-SF) Affective Index From Baseline to Day 28.
Tidsramme: From baseline to day 28.

Affective index= sum of the intensity scale values of the words chosen for the descriptors 12-15 in the questionnaire. Range of scores for the affective index=0-12 (higher score represents a worse condition).

Change from baseline (measured prior to randomization) to Day 28 was calculated.
From baseline to day 28.
Change in Brief Pain Inventory-Short Form (BPI-SF) Pain Severity From Baseline to Day 28.
Tidsramme: From baseline to day 28..
Change from baseline (measured prior to randomization) to Day 28 was calculated for the pain severity (mean of 4 intensity items). Each intensity item is recorded on a Numerical rating Scale (NRS) 0-10, where 0=No pain and 10= The worst pain.
From baseline to day 28..
Change in Brief Pain Inventory-Short Form (BPI-SF) Pain Interference From Baseline to Day 28.
Tidsramme: From baseline to 28 days
Change from baseline (measured prior to randomization) to Day 28 was calculated for pain interference (mean of 7 interference items). Each interference item is recorded on a Numerical Rating Scale (NRS 0-10), where 0= No interference and 10= Interferes completely.
From baseline to 28 days

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

AstraZeneca

Efterforskere

  • Studieleder: Biljana Lilja, AstraZeneca R&D Södertälje151 85 Södertälje, Sweden
  • Ledende efterforsker: Charles E Argoff, MD, Albany Medical , NY 12208, USA

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. februar 2009

Primær færdiggørelse (Faktiske)

1. august 2009

Studieafslutning (Faktiske)

1. august 2009

Datoer for studieregistrering

Først indsendt

27. februar 2009

Først indsendt, der opfyldte QC-kriterier

5. marts 2009

Først opslået (Skøn)

6. marts 2009

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

12. november 2012

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

8. november 2012

Sidst verificeret

1. november 2012

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • D0475C00009

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