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Symptom Improvements in Gastroesophageal Reflux Disease (GERD) Patients

A Randomized, Double-blind, Placebo Controlled, Phase IIA Study to Assess the Effect on Gastroesophageal Reflux Disease (GERD) Symptoms, Pharmacokinetics, Safety and Tolerability of 4 Weeks Treatment With AZD3355 65 mg Bid as add-on Treatment to a Proton Pump Inhibitor (PPI) in Patients With an Incomplete Response to PPI.

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00394472
Enrollment
244
Registered
2006-11-01
Start date
2006-11-30
Completion date
2007-06-30
Last updated
2013-03-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Gastroesophageal Reflux Disease (GERD)

Keywords

Heartburn, Patient reported symptoms, Proton pump inhibitor

Brief summary

The purpose of this study is to estimate the effect of AZD3355 as an add-on treatment to a Proton Pump Inhibitor (PPI) on Gastroesophageal reflux disease (GERD) symptoms in patients with an incomplete response to PPI treatment.

Interventions

Sponsors

AstraZeneca
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

Sex/Gender
ALL
Age
17 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* Provision of written informed consent * At least 6 months history of Gastroesophageal reflux disease (GERD) symptoms * Continuous treatment with Proton Pump Inhibitor (PPI) * Ability to read and write

Exclusion criteria

* Prior surgery of the upper gastrointestinal (GI) tract * History of clinically significant diseases other than GERD * Need for concomitant medication with drugs that may influence gastrointestinal symptoms

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants With at Most One Day With Not More Than Mild Intensity of the Symptoms 'a Burning Feeling Behind the Breastbone' and 'Unpleasant Movement of Material Upwards From the Stomach' During the Last Seven Days of TreatmentTwice daily during the last seven days on treatmentSymptom intensity rated by participants twice daily on a six-graded Likert scale (Did not have; Very mild; Mild; Moderate; Moderately severe; Severe) using an electronic Reflux Disease Questionnaire (RDQ) diary

Secondary

MeasureTime frame
Plasma Concentration (µmol/L) of AZD3355 Analysed From Blood Sample Taken in the Interval One to Two Hours After the First Intake of AZD3355 65 mg CapsuleAn interval of one to two hours after the first intake of AZD3355 65 mg capsule

Countries

Australia, Belgium, France, Germany, Hungary, Netherlands, Norway, Romania

Participant flow

Participants by arm

ArmCount
AZD3355
AZD3355 capsules 65 mg bid
122
Placebo
Placebo capsules bid
122
Total244

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event42
Overall Studyincorrect enrolment42
Overall StudyLost to Follow-up01
Overall StudyPhysician Decision01
Overall StudyProtocol Violation13
Overall StudyWithdrawal by Subject02

Baseline characteristics

CharacteristicAZD3355PlaceboTotal
Age Continuous51.1 years
STANDARD_DEVIATION 11.9
48.7 years
STANDARD_DEVIATION 12.6
49.9 years
STANDARD_DEVIATION 12.3
Sex: Female, Male
Female
51 Participants31 Participants82 Participants
Sex: Female, Male
Male
71 Participants91 Participants162 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
28 / —19 / —
serious
Total, serious adverse events
2 / —0 / —

Outcome results

Primary

Number of Participants With at Most One Day With Not More Than Mild Intensity of the Symptoms 'a Burning Feeling Behind the Breastbone' and 'Unpleasant Movement of Material Upwards From the Stomach' During the Last Seven Days of Treatment

Symptom intensity rated by participants twice daily on a six-graded Likert scale (Did not have; Very mild; Mild; Moderate; Moderately severe; Severe) using an electronic Reflux Disease Questionnaire (RDQ) diary

Time frame: Twice daily during the last seven days on treatment

ArmMeasureValue (NUMBER)
AZD3355Number of Participants With at Most One Day With Not More Than Mild Intensity of the Symptoms 'a Burning Feeling Behind the Breastbone' and 'Unpleasant Movement of Material Upwards From the Stomach' During the Last Seven Days of Treatment17 Participants
PlaceboNumber of Participants With at Most One Day With Not More Than Mild Intensity of the Symptoms 'a Burning Feeling Behind the Breastbone' and 'Unpleasant Movement of Material Upwards From the Stomach' During the Last Seven Days of Treatment8 Participants
Secondary

Plasma Concentration (µmol/L) of AZD3355 Analysed From Blood Sample Taken in the Interval One to Two Hours After the First Intake of AZD3355 65 mg Capsule

Time frame: An interval of one to two hours after the first intake of AZD3355 65 mg capsule

ArmMeasureValue (MEAN)Dispersion
AZD3355Plasma Concentration (µmol/L) of AZD3355 Analysed From Blood Sample Taken in the Interval One to Two Hours After the First Intake of AZD3355 65 mg Capsule0.96 μmol/LStandard Deviation 0.74

Source: ClinicalTrials.gov · Data processed: Mar 29, 2026