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Study of 24-hour Intragastric pH Profiles of Esomeprazole 40 mg and Lansoprazole 30 mg in Healthy Volunteer Subjects

This study has been completed.
Information provided by:
AstraZeneca Identifier:
First received: September 28, 2005
Last updated: January 3, 2013
Last verified: January 2013
This study is intended to evaluate whether intravenous (iv) esomeprazole (Nexium® ) offers better intragastric acid suppression than iv lansoprazole (Prevacid ®

Condition Intervention Phase
Drug: Nexium
Drug: Prevacid
Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Open Label
Official Title: A Randomized, Open-Label, Comparative, Two-Treatment, Crossover Study of 24-hour Intragastric pH Profiles of Esomeprazole 40 mg and Lansoprazole 30 mg in Healthy Volunteer Subjects on Days 1 and 5 of Intravenous Treatment

Resource links provided by NLM:

Further study details as provided by AstraZeneca:

Primary Outcome Measures:
  • The primary objective is to compare the pharmacodynamic efficacy in controlling intragastric pH of esomeprazole 40mg and lansoprazole 30mg on Day 5 of once daily IV administration to healthy volunteers.

Secondary Outcome Measures:
  • Secondary Outcomes will compare additional efficacy and safety parameters.

Estimated Enrollment: 100
Study Start Date: September 2005
Study Completion Date: February 2006

Ages Eligible for Study:   18 Years to 70 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Participants must be 18-70 years of age
  • Participants can be male or female
  • Women that are able to have children must have a negative pregnancy test.

Exclusion Criteria:

  • Involvement in or planning of this study
  • Participation in another clinical study within 28 days of this one
  • For women, pregnancy or attempting to become pregnant.
  Contacts and Locations
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Please refer to this study by its identifier: NCT00230516

United States, California
Research Site
Los Angeles, California, United States
United States, Oklahoma
Research Site
Oklahoma City, Oklahoma, United States
Sponsors and Collaborators
Study Director: Nexium Medical Science Director, MD AstraZeneca
  More Information Identifier: NCT00230516     History of Changes
Other Study ID Numbers: D9612L00080
Study First Received: September 28, 2005
Last Updated: January 3, 2013

Keywords provided by AstraZeneca:
N/A this study is being conducted with healthy volunteers

Additional relevant MeSH terms:
Anti-Ulcer Agents
Gastrointestinal Agents
Proton Pump Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action processed this record on May 25, 2017