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Esophageal Hypersensitivity Study in Patients With Gastroesophageal Reflux Disease (GERD)

10. Oktober 2012 aktualisiert von: AstraZeneca

A Phase IIa, Double-blind, Randomized, 2-way Cross-over Study to Evaluate the Effect of a Single Dose of AZD1386 95 mg Compared to Placebo in a Multimodal Experimental Pain Model on Esophageal Sensitivity in GERD Patients With a Partial Response to PPI Treatment

The purpose of the study is to compare sensitivity of visceral pain in the esophagus using different pain stimuli.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Tatsächlich)

14

Phase

  • Phase 2

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Dänemark
      • Århus C, Dänemark
        • Research Site
  • Schweden
    • Vastra Gotaland
      • Goteborg, Vastra Gotaland, Schweden
        • Research Site

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre bis 70 Jahre (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  • Provision of signed informed consent form
  • BMI 18.5-35.0, inclusive
  • Continuous PPI treatment for GERD during the last 4 weeks

Exclusion Criteria:

  • Patients that have not experienced any GERD symptoms improvement at all after PPI treatment
  • Unstable or clinically significant disorders including cardiovascular, respiratory, renal, hepatic, metabolic, psychiatric, other gastrointestinal and esophageal disorders besides GERD
  • Prior surgery of the upper GI tract

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Crossover-Aufgabe
  • Maskierung: Verdreifachen

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: First AZD1386, then washout, then placebo
Arzneimittel: AZD1386
95 mg, oral solution, single dose
Arzneimittel: Placebo to AZD1386
Placebo, oral solution, single dose
Experimental: First placebo, then washout, then AZD1386
Arzneimittel: AZD1386
95 mg, oral solution, single dose
Arzneimittel: Placebo to AZD1386
Placebo, oral solution, single dose

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Time to Visual Analogue Scale 7 (VAS7) During Thermal Stimulation at 1.5 Hours Post-Dose.
Zeitfenster: 1.5 hours post dose

A probe (bag) was inserted 7cm above the lower esophageal sphincter (LES). Heat stimuli were applied by recirculation of heated water in the bag. Prior to recirculation the bag is filled with 7mL to ensure adequate mucosal contact. Water was heated up to a maximum of 63° C and the stimulation was continued until VAS 7 was reached.

The intensities of the non-painful sensations were scored with the following descriptors added to facilitate the scoring:

  1. = vague perception of mild sensation
  2. = definite perception of mild sensation
  3. = vague perception of moderate sensation

  4. = definite perception of moderate sensation

    For painful sensations the patients will use the scale from 5-10 anchored at:

  5. = pain detection
  6. = slight pain
  7. = moderate pain
  8. = medium pain intensity
  9. = intense pain
  10. = unbearable pain
1.5 hours post dose

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Time to Visual Analogue Scale 7 (VAS7) During Thermal Stimulation at 0.5 Hours Post Dose
Zeitfenster: 0.5 hours post dose

A probe (bag) was inserted 7cm above the lower esophageal sphincter (LES). Heat stimuli were applied by recirculation of heated water in the bag. Prior to recirculation the bag is filled with 7mL to ensure adequate mucosal contact. Water was heated up to a maximum of 63° C and the stimulation was continued until VAS 7 was reached.

The intensities of the non-painful sensations were scored with the following descriptors added to facilitate the scoring:

  1. = vague perception of mild sensation
  2. = definite perception of mild sensation
  3. = vague perception of moderate sensation

  4. = definite perception of moderate sensation

    For painful sensations the patients will use the scale from 5-10 anchored at:

  5. = pain detection
  6. = slight pain
  7. = moderate pain
  8. = medium pain intensity
  9. = intense pain
  10. = unbearable pain
0.5 hours post dose
Time to Visual Analogue Scale 7 (VAS7) During Thermal Stimulation at 2.5 Hours Post Dose
Zeitfenster: 2.5 hours post dose

A probe (bag) was inserted 7cm above the lower esophageal sphincter (LES). Heat stimuli were applied by recirculation of heated water in the bag. Prior to recirculation the bag is filled with 7mL to ensure adequate mucosal contact. Water was heated up to a maximum of 63° C and the stimulation was continued until VAS 7 was reached.

The intensities of the non-painful sensations were scored with the following descriptors added to facilitate the scoring:

  1. = vague perception of mild sensation
  2. = definite perception of mild sensation
  3. = vague perception of moderate sensation

  4. = definite perception of moderate sensation

    For painful sensations the patients will use the scale from 5-10 anchored at:

  5. = pain detection
  6. = slight pain
  7. = moderate pain
  8. = medium pain intensity
  9. = intense pain
  10. = unbearable pain
2.5 hours post dose
Volume at Visual Analogue Scale 7 (VAS7) During Mechanical Stimulation at 0.5 Hours Post Dose
Zeitfenster: 0.5 hours post dose

A probe (bag) was inserted 7cm above the lower esophageal sphincter (LES). Volume change in the bag was recorded continuously at each level of the visual analogue scale (VAS) and up to VAS7 (Volume at Visual Analogue Scale 7).

The intensities of the non-painful sensations were scored with the following descriptors added to facilitate the scoring:

  1. = vague perception of mild sensation
  2. = definite perception of mild sensation
  3. = vague perception of moderate sensation

  4. = definite perception of moderate sensation

    For painful sensations the patients will use the scale from 5-10 anchored at:

  5. = pain detection
  6. = slight pain
  7. = moderate pain
  8. = medium pain intensity
  9. = intense pain
  10. = unbearable pain
0.5 hours post dose
Volume at Visual Analogue Scale 7 (VAS7) During Mechanical Stimulation at 1.5 Hours Post-Dose
Zeitfenster: 1.5 hours post dose

A probe (bag) was inserted 7cm above the lower esophageal sphincter (LES). Volume change in the bag was recorded continuously at each level of the visual analogue scale (VAS) and up to VAS7 (Volume at Visual Analogue Scale 7).

The intensities of the non-painful sensations were scored with the following descriptors added to facilitate the scoring:

  1. = vague perception of mild sensation
  2. = definite perception of mild sensation
  3. = vague perception of moderate sensation

  4. = definite perception of moderate sensation

    For painful sensations the patients will use the scale from 5-10 anchored at:

  5. = pain detection
  6. = slight pain
  7. = moderate pain
  8. = medium pain intensity
  9. = intense pain
  10. = unbearable pain
1.5 hours post dose
Volume at Visual Analogue Scale 7 (VAS7) During Mechanical Stimulation at 2.5 Hours Post-Dose.
Zeitfenster: 2.5 hours post dose

A probe (bag) was inserted 7cm above the lower esophageal sphincter (LES). Volume change in the bag was recorded continuously at each level of the visual analogue scale (VAS) and up to VAS7 (Volume at Visual Analogue Scale 7).

The intensities of the non-painful sensations were scored with the following descriptors added to facilitate the scoring:

  1. = vague perception of mild sensation
  2. = definite perception of mild sensation
  3. = vague perception of moderate sensation

  4. = definite perception of moderate sensation

    For painful sensations the patients will use the scale from 5-10 anchored at:

  5. = pain detection
  6. = slight pain
  7. = moderate pain
  8. = medium pain intensity
  9. = intense pain
  10. = unbearable pain
2.5 hours post dose
Current at Visual Analogue Scale 7 (VAS7) During Electrical Stimulation 0.5 Hours Post Dose
Zeitfenster: 0.5 hours post dose

A probe (bag) was inserted 7cm above the lower esophageal sphincter (LES) and stimulations were performed at approximately 8 cm above the LES. The intensity of the stimuli is increased steadily in steps of 0.5 to 1 mA and the intensity corresponding to the VAS levels 1, 3, 5 and 7 were recorded.

The current will be increased until the patient report moderate pain (VAS 7) or max 80 mA.

The intensities of the non-painful sensations were scored with the following descriptors added to facilitate the scoring:

  1. = vague perception of mild sensation
  2. = definite perception of mild sensation
  3. = vague perception of moderate sensation

  4. = definite perception of moderate sensation

    For painful sensations the patients will use the scale from 5-10 anchored at:

  5. = pain detection
  6. = slight pain
  7. = moderate pain
  8. = medium pain intensity
  9. = intense pain
  10. = unbearable pain
0.5 hours post dose
Current at Visual Analogue Scale 7 (VAS7) During Electrical Stimulation at 1.5 Hours Post Dose
Zeitfenster: 1.5 hours post dose

A probe (bag) was inserted 7cm above the lower esophageal sphincter (LES) and stimulations were performed at approximately 8 cm above the LES. The intensity of the stimuli is increased steadily in steps of 0.5 to 1 mA and the intensity corresponding to the VAS levels 1, 3, 5 and 7 were recorded.

The current will be increased until the patient report moderate pain (VAS 7) or max 80 mA.

The intensities of the non-painful sensations were scored with the following descriptors added to facilitate the scoring:

  1. = vague perception of mild sensation
  2. = definite perception of mild sensation
  3. = vague perception of moderate sensation

  4. = definite perception of moderate sensation

    For painful sensations the patients will use the scale from 5-10 anchored at:

  5. = pain detection
  6. = slight pain
  7. = moderate pain
  8. = medium pain intensity
  9. = intense pain
  10. = unbearable pain
1.5 hours post dose
Current at Visual Analogue Scale 7 (VAS7) During Electrical Stimulation at 2.5 Hours Post Dose
Zeitfenster: 2.5 hours post dose

A probe (bag) was inserted 7cm above the lower esophageal sphincter (LES) and stimulations were performed at approximately 8 cm above the LES. The intensity of the stimuli is increased steadily in steps of 0.5 to 1 mA and the intensity corresponding to the VAS levels 1, 3, 5 and 7 were recorded.

The current will be increased until the patient report moderate pain (VAS 7) or max 80 mA.

The intensities of the non-painful sensations were scored with the following descriptors added to facilitate the scoring:

  1. = vague perception of mild sensation
  2. = definite perception of mild sensation
  3. = vague perception of moderate sensation

  4. = definite perception of moderate sensation

    For painful sensations the patients will use the scale from 5-10 anchored at:

  5. = pain detection
  6. = slight pain
  7. = moderate pain
  8. = medium pain intensity
  9. = intense pain
  10. = unbearable pain
2.5 hours post dose
AUCt
Zeitfenster: 0 to 4 hours post dose
Area under the plasma concentration curve from time zero to the last quantifiable concentration
0 to 4 hours post dose
Cmax
Zeitfenster: 0 to 4 hours post dose
Maximum plasma concentration
0 to 4 hours post dose
Tmax
Zeitfenster: 0 to 4 hours post dose
Time of maximum plasma concentration
0 to 4 hours post dose
SBP
Zeitfenster: 1.5 hours post dose
Supine Systolic Blood Pressure at 1.5 hours post dose
1.5 hours post dose
DBP
Zeitfenster: 1.5 hours post dose
Supine Diastolic Blood Pressure at 1.5 hours post dose
1.5 hours post dose
Pulse
Zeitfenster: 1.5 hours post dose
Supine Pulse at 1.5 hours post dose
1.5 hours post dose
QTcF
Zeitfenster: 1.5 hours post dose
QT interval corrected for heart rate using Fredericia formula(QTcF) at 1.5 hours post dose
1.5 hours post dose
Body Temperature
Zeitfenster: 1.5 hours post dose
Oral Body Temperature at 1.5 hours post dose
1.5 hours post dose
Clinically Relevant Change of Laboratory Variables
Zeitfenster: Pre-entry to follow-up
Number of participants with clinically relevant change of laboratory variables(clinical chemistry, haematology and urinalysis parameters)
Pre-entry to follow-up

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

AstraZeneca

Ermittler

  • Studienleiter: Marie Sundin, AstraZeneca R&D, Mölndal, Sweden
  • Hauptermittler: Peter Funch-Jensen,, MD, PhD, Aarhus Hospital, Dept of Surgical Gastroenterology, Aarhus, Denmark

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn

1. November 2009

Primärer Abschluss (Tatsächlich)

1. Januar 2011

Studienabschluss (Tatsächlich)

1. Januar 2011

Studienanmeldedaten

Zuerst eingereicht

20. November 2009

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

24. November 2009

Zuerst gepostet (Schätzen)

25. November 2009

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Schätzen)

9. November 2012

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

10. Oktober 2012

Zuletzt verifiziert

1. Oktober 2012

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • D9127C00002
  • 2008-007420-26

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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