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Safety, Tolerability and Preliminary Efficacy of AZD5213 in Combination With Pregabalin in Subjects With PDN and Good Pain Reporting Ability

9. august 2016 oppdatert av: AstraZeneca

A Randomized, Double-Blind, Placebo-Controlled Crossover Study to Evaluate the Preliminary Efficacy of AZD5213 in Combination With Pregabalin in Subjects With Painful Diabetic Neuropathy and Good Pain Reporting Ability

This is a 2-part study. In Part 1 of the study, subjects will undergo a pain reporting training program in which a painful stimulus will be applied to the subject's hand, and the subjects will be asked to report how painful the stimulus is. Over the course of the pain training sessions, feedback will be provided to the subject about how accurately they are reporting their degree of pain, relative to the amount of pressure stimulus applied to evoke pain. Those subjects who have adequate pain reporting ability will be asked to continue into Part 2 of the study in which 3 different blinded study drugs will be administered to each subject, in a crossover design to compare whether or not the study drugs improve pain associated with diabetic neuropathy.

Studieoversikt

Status

Fullført

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

This is a multi-center, randomized, two-part study in adults (ages 18-75 years) with Painful Diabetic Neuropathy (PDN).

In Part 1 of the study, eligible subjects will enter a 4-week Pain Training Period. During the Pain Training Period, subjects will receive three weekly in-clinic training sessions using repeated rating of experimental pressure pain stimuli. Subjects will receive feedback during this training and will be evaluated on their pain-reporting ability during each in-clinic session. Subjects with acceptable pain-reporting ability at the conclusion of the Pain Training Period will be eligible to enter Part 2 of the study. Subjects with unacceptable pain-reporting ability at the conclusion of the Pain Training Period will be discontinued from the study.

Part 2 of the study will consist of three consecutive double-blind crossover periods. Each crossover period will include 31 days of double-blind treatment. A follow-up visit will occur 14 ± 7 days after the last dose of study medication.

One of three treatments (placebo, pregabalin, or pregabalin + AZD5213) will be administered during each crossover treatment period, as determined by a randomly assigned treatment sequence.

Approximately 65 subjects will be screened in Part 1 of the study, in order to randomize up to approximately 32 subjects in Part 2 of the study.

Studietype

Intervensjonell

Registrering (Faktiske)

150

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
    • Florida
      • Clearwater, Florida, Forente stater
        • Research Site
      • Orlando, Florida, Forente stater
        • Research Site
    • Georgia
      • Newnan, Georgia, Forente stater
        • Research Site
    • Massachusetts
      • Brockton, Massachusetts, Forente stater
        • Research Site
      • Natick, Massachusetts, Forente stater
        • Research Site
      • Watertown, Massachusetts, Forente stater
        • Research Site
    • North Carolina
      • Winston-Salem, North Carolina, Forente stater
        • Research Site
    • Pennsylvania
      • Duncansville, Pennsylvania, Forente stater
        • Research Site
      • Philadelphia, Pennsylvania, 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 75 år (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

1. Male or female, age 18 to 75 years, inclusive, at Screen. 2. Subjects must provide informed consent in accordance with local regulations before the conduct of any study-related procedures. The informed consent should reflect the protocol stipulations concerning the use of contraception. 3. Diagnosis of Type 1 or Type 2 diabetes mellitus for at least 1 year prior to Screen. 4. Diabetes-related painful neuropathy for at least 6 months prior to Screen. 5. Pain that began in the feet and is symmetric or nearly symmetric. 6. Diabetes has been clinically stable for at least 2 months prior to Screen, and between Screen and baseline (Day 35). 7. At Screen and baseline, score of at least 4 on Item 5 ("average pain") of the modified Brief Pain Inventory for patients with painful diabetic peripheral neuropathy (BPI-DPN). 8. Able to participate in all scheduled evaluations and to complete all required tests and procedures. 9. In the opinion of the investigator, the subject must be considered likely to comply with the study protocol and to have a high probability of completing the study.

Exclusion Criteria:

1. Known or suspected hypersensitivity to pregabalin. 2. Clinically important illness or infection (e.g., chronic, persistent, or acute infection) within 30 days prior to screen or between screen adn baseline. 3. Presence of any psychiatric or neurologic disorder or any other disorder or symptom, if, in the judgement of the investigator, the disorder or symptom is likely to confound interpretation of drug effect or affect the subject's ability to complete the study. Any clinically important abnormality, as determined by investigator at Screen or baseline, in physical or neurologic examination, vital sign, ECG, or clinical laboratory test results that could be detrimental to the subject, or could affect the subject's ability to complete the study. 4. Initiation or change in intensity or frequency of non-pharmacologic therapy for PDN, including psychotherapy, physical therapy, massage, acupuncture, acupressure, or chiropractic care, within 3 months prior to baseline).

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: Dobbelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Placebo komparator: placebo capsules
Capsules to match pregabalin and AZD5213
Legemiddel: Placebo
Double blind placebo capsules to match AZD5213 and pregabalin
Eksperimentell: AZD5213 + pregabalin
AZD5213 in combination with pregabalin
Legemiddel: AZD5213 + pregabalin
Double blind Investigational drug AZD5213 (capsules) given in combination with pregabalin (capsules)
Andre navn:
  • pregabalin (LYRICA)
Aktiv komparator: pregabalin
pregabalin capsules
Legemiddel: pregabalin capsules
Double blind pregabalin capsules to match AZD5213 and placebo
Andre navn:
  • LYRICA (pregabalin)

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Brief Pain Index - Item 5, Average Daily Pain Score (Range 0-10) Higher Values Indicate Worse Pain
Tidsramme: 3 weeks of treatment
Brief pain Index - diabetic painful neuropathy (BPI-DPN) - average daily pain, Item 5 (final 2 day diary + in clinic assessment at end of 3 week treatment period)
3 weeks of treatment

Samarbeidspartnere og etterforskere

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

Sponsor

AstraZeneca

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. november 2013

Primær fullføring (Faktiske)

1. mai 2015

Studiet fullført (Faktiske)

1. mai 2015

Datoer for studieregistrering

Først innsendt

21. august 2013

Først innsendt som oppfylte QC-kriteriene

21. august 2013

Først lagt ut (Anslag)

23. august 2013

Oppdateringer av studieposter

Sist oppdatering lagt ut (Anslag)

3. oktober 2016

Siste oppdatering sendt inn som oppfylte QC-kriteriene

9. august 2016

Sist bekreftet

1. august 2016

Mer informasjon

Begreper knyttet til denne studien

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • D3031C00001

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