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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 oppdatert av: 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.

Studieoversikt

Status

Fullført

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Faktiske)

127

Fase

  • Fase 2

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

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

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år til 80 år (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

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

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: 1
Legemiddel: AZD2066
Capsule, once daily, 12 mg AZD2066 day 1-4 and 18 mg AZD2066 day 5-28.
Placebo komparator: 2
Legemiddel: Placebo
Kapsel, en gang daglig

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
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
Tiltaksbeskrivelse
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

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

AstraZeneca

Etterforskere

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

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart

1. februar 2009

Primær fullføring (Faktiske)

1. august 2009

Studiet fullført (Faktiske)

1. august 2009

Datoer for studieregistrering

Først innsendt

27. februar 2009

Først innsendt som oppfylte QC-kriteriene

5. mars 2009

Først lagt ut (Anslag)

6. mars 2009

Oppdateringer av studieposter

Sist oppdatering lagt ut (Anslag)

12. november 2012

Siste oppdatering sendt inn som oppfylte QC-kriteriene

8. november 2012

Sist bekreftet

1. november 2012

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • D0475C00009

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