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Study to Compare Different Formulations of AZD3355

This study has been completed.
Information provided by:
AstraZeneca Identifier:
First received: May 30, 2008
Last updated: December 2, 2010
Last verified: December 2010
The purpose of the study is to compare different formulations of AZD3355 in regard to possible adverse events such as sensations of numbness, tinglings and heat in the skin.

Condition Intervention Phase
Gastroesophageal Reflux Disease
Drug: AZD3355
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double Blind (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Basic Science
Official Title: A Double-blind, Randomized, Cross-over Design, Phase 1 Pharmacodynamic Study to Investigate the Effect of Different Formulations of AZD3355 for the Development of Paresthesiae After Dosing in Healthy Subjects

Resource links provided by NLM:

Further study details as provided by AstraZeneca:

Primary Outcome Measures:
  • Specific AE questions [ Time Frame: During 0-4 hours post dose ]

Secondary Outcome Measures:
  • PK variables [ Time Frame: Frequent sampling up to 36 hours post dose ]
  • Safety variables (other adverse events, blood pressure, pulse, safety lab) [ Time Frame: During the whole treatment period ]

Estimated Enrollment: 48
Study Start Date: April 2008
Study Completion Date: June 2008
Primary Completion Date: June 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
IR Formulation 65 mg
Drug: AZD3355
Single dose
Other Name: Lesogaberan
Experimental: 2
IR Formulation 150 mg
Drug: AZD3355
Single dose
Other Name: Lesogaberan
Experimental: 3
MR formulation, 1h 65 mg
Drug: AZD3355
Single dose
Other Name: Lesogaberan
Experimental: 4
MR Formulation, 1h 150 mg
Drug: AZD3355
Single dose
Other Name: Lesogaberan
Experimental: 5
MR Formulation, 2h 150 mg
Drug: AZD3355
Single dose
Other Name: Lesogaberan


Ages Eligible for Study:   18 Years to 45 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Provision of written informed consent
  • Female subjects with no childbearing potentials or using highly efficient contraceptive methods
  • Clinically normal physical findings

Exclusion Criteria:

  • Clinically significant illness within 2 weeks prior to the first dose of investigational product
  • History of clinically significant disease
  • Use of prescribed medication during the 2 weeks before administration of the first dose of investigational product
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00688402

Research Site
Varvsgatan, Lulea, Sweden
Sponsors and Collaborators
Study Director: Eva Ersdal, PhD AstraZeneca R&d, Mölndal, Sweden
Principal Investigator: Aslak Rautio, MD Quintiles Hermelinen, Varvsgatan 53, SE-972 33 Luleå, Sweden
  More Information

Responsible Party: Debra G. Silberg, MD, PhD, Medical Science Director, AZD3355, AstraZeneca Pharmaceuticals Identifier: NCT00688402     History of Changes
Other Study ID Numbers: D9120C00031
EudraCT nr 2007-007126-22
Study First Received: May 30, 2008
Last Updated: December 2, 2010

Keywords provided by AstraZeneca:
Reflux Inhibitor

Additional relevant MeSH terms:
Gastroesophageal Reflux
Esophageal Motility Disorders
Deglutition Disorders
Esophageal Diseases
Gastrointestinal Diseases
Digestive System Diseases
Gastrointestinal Agents
GABA-A Receptor Agonists
GABA Agonists
GABA Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Physiological Effects of Drugs processed this record on May 25, 2017