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AZD3355

Phase 2

GERD | Small molecule | Cardiovascular |AstraZeneca PLC|Trials Updated: Jul 22, 2013

AZD3355 development status

Highest phase Phase 2
Registered trials 8 across 1 sponsor since Nov 2006

AZD3355 target and mechanism

ModalitySmall molecule

Also known as Lesogaberan

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials9
Total Enrollment1,592

FDA Designations

No designations recorded

AZD3355 clinical trials

AZD3355 · 9 trials · 10 indications

Phase 2 5Phase 1 4
NCT01043185A Study to Estimate Effect of 4 Different Doses of AZD3355 on Reflux Episodes, Which Patients With Gastroesophageal Reflux Disease (GERD) May ExperienceGastroesophageal Reflux Disease
COMPLETED27 Analytics
NCT01005251Investigate the Effect of Different Doses of Lesogaberan (AZD3355) as add-on to PPI in GERD Patients With Partial Response to PPIGastroesophageal Reflux Disease
COMPLETED661 Analytics
NCT00703534Validation of Patient-reported Outcomes Measures for the Assessment of Gastroesophageal Reflux Disease (GERD) SymptomsGERD
COMPLETED478 Analytics
NCT00743444TLESR-impedance Study in PatientsReflux Episodes
COMPLETED27 Analytics
NCT00394472Symptom Improvements in Gastroesophageal Reflux Disease (GERD) PatientsGastroesophageal Reflux Disease (GERD)
COMPLETED244 Analytics
PHASE2COMPLETED
A Study to Estimate Effect of 4 Different Doses of AZD3355 on Reflux Episodes, Which Patients With Gastroesophageal Reflux Disease (GERD) May Experience
Gastroesophageal Reflux DiseaseUnlock trial analytics
PHASE2COMPLETED
Investigate the Effect of Different Doses of Lesogaberan (AZD3355) as add-on to PPI in GERD Patients With Partial Response to PPI
Gastroesophageal Reflux DiseaseUnlock trial analytics
PHASE2COMPLETED
Validation of Patient-reported Outcomes Measures for the Assessment of Gastroesophageal Reflux Disease (GERD) Symptoms
GERDUnlock trial analytics
PHASE2COMPLETED
TLESR-impedance Study in Patients
Reflux EpisodesUnlock trial analytics
PHASE2COMPLETED
Symptom Improvements in Gastroesophageal Reflux Disease (GERD) Patients
Gastroesophageal Reflux Disease (GERD)Unlock trial analytics

Study Endpoints

Primary Endpoints

Total Number of Reflux Episodes During 24 Hours
Measured during 24 hours at 4 different visits with a 7-28 days interval between

Number of reflux episodes assessed during ambulatory impedance-pH recording (defined as starting with a drop in impedance to below 50% of baseline and ending when impedance recovers to above 50% of baseline)

Number of Participants With a Change in GERD Symptoms Corresponding to at Least Three More Days of Not More Than Mild Symptoms on Average Per Week During Treatment (Approximately 4 Weeks) Than During Baseline (the 7 Days Before Randomisation)
The 7 days before randomisation (baseline) and during 26-30 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 Symptom Questionnaire diary. (GERD = Gastroesophageal Reflux Disease)

Symptom Intensity Rated by Participants Twice Daily Using an Electronic Reflux Symptom Questionnaire Diary
Run-in period of 8-12 days and treatment period of 26-30 days

Symptom intensity rated on a six-graded Likert scale (Did not have; Very mild; Mild; Moderate; Moderately severe; Severe)

Number of Transient Lower Esophageal Sphincter Relaxations (TLESRs) 0-3 Hours Post Meal, Post Third Dose
0-3 hours post meal, post third dose

The number of relaxations for each patient in each period was determined from manometric tracings according to previously published criteria (R.H. Holloway, R. Penagini and A.C. Ireland, Criteria for objective definition of transient lower esophageal sphincter relaxation, Am J Physiol 268 (1995), pp. G128-G133). The analysis of the number of TLESRs was based on an analysis of variance (ANOVA) for log-transformed data. The 95% level confidence interval (CI) limits were transformed back to the original scale to give CIs for the geometric mean for each treatment.

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
Twice daily during the last seven days on 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

Pharmacokinetic blood samples
15 samples during 0-72 hours
Safety variables (Adverse event reporting, ECG, blood pressure, pulse rate, urine weight and osmolality, body temperature, blood and urine laboratory values)
During the study
Specific AE questions
During 0-4 hours post dose
PK variables
Frequent sampling occasions during day 7 each treatment period

Secondary Endpoints

Number of Acid Reflux Episodes
Measured during 24 hours at 4 different visits with a 7-28 days interval between
Number of Weakly Acidic Reflux Episodes
Measured during 24 hours at 4 different visits with a 7-28 days interval between
Number of Weakly Alkaline Reflux Episodes
Measured during 24 hours at 4 different visits with a 7-28 days interval between
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelCROSSOVER
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
AEXPERIMENTALAZD3355 30 mg
BEXPERIMENTALAZD3355 90 mg
CEXPERIMENTALAZD3355 120 mg
DEXPERIMENTALAZD3355 240 mg
EPLACEBO_COMPARATORPlacebo
60 mgEXPERIMENTALPPI+lesogaberan (AZD3355) 60 mg bid
120 mgEXPERIMENTALPPI+lesogaberan (AZD3355) 120 mg bid
180 mgEXPERIMENTALPPI+lesogaberan (AZD3355) 180 mg bid
240 mgEXPERIMENTALPPI+lesogaberan (AZD3355) 240 mg bid
PlaceboPLACEBO_COMPARATORPPI+ Placebo
AZD3355EXPERIMENTAL -
1EXPERIMENTALAZD3355
2PLACEBO_COMPARATOR -
3EXPERIMENTALMR formulation, 1h 65 mg
4EXPERIMENTALMR Formulation, 1h 150 mg
5EXPERIMENTALMR Formulation, 2h 150 mg

Interventions

NameTypeDescription
AZD3355DRUG30 mg orally in the morning and 30 mg in the evening for 1 day
placeboDRUGPlacebo capsules orally in the morning and placebo capsules in the evening for 1 day
lesogaberan (AZD3355)DRUG60 mg, oral, capsules, bid for 4 w
Gelusil®DRUGChewable tablets taken as needed
EsomeprazoleDRUG40 mg od, oral, 7 days
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Eligibility Criteria

Age Range18 Years to 70 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Provide informed consent * History of GERD with persistent symptoms despite treatment with PPI * Otherwise normal physical health Exclusion Criteria: * History of GERD with symptoms that has not improved at all during treatment with PPI * Prior surgery of the upper gastroint...

Countries:United StatesAustraliaBelgiumFranceGermanyHungaryNetherlandsNorwayRomaniaSweden
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Competitive Landscape -GERD 10 trials

Top 1 of 5 competitors

CompanyTickerTrialsLead PhaseDrugs
Phathom Pharmaceuticals, Inc.PHAT2PHASE3Vonoprazan
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Frequently asked questions about AZD3355

What is AZD3355 used for?

AZD3355 is an investigational small molecule developed for gastroesophageal reflux disease (GERD) and reflux episodes. It was studied in patients with reflux disease to assess its effect on reflux episodes. AZD3355 has been tested in Phase 1 and Phase 2 clinical trials but is not approved for any indication.

Who is developing AZD3355?

AZD3355 is developed by AstraZeneca PLC, which trades on the Nasdaq under the ticker AZN. AstraZeneca sponsored the clinical trial program for AZD3355, including studies conducted in the United States and Sweden.

What phase is AZD3355 in?

AZD3355 has completed Phase 2 clinical development. Four trials have been completed, including two Phase 2 studies and two Phase 1 studies, with no active trials ongoing. AZD3355 is investigational and has not been approved by the FDA for any indication.

What clinical trials is AZD3355 in?

AZD3355 has been evaluated in four completed trials. Phase 2 studies include NCT01043185, which tested four doses on reflux episodes in GERD patients, and NCT00743444, a TLESR-impedance study. Phase 1 studies include NCT00863161, a renal impairment study, and NCT00757419, a dose-escalation study in healthy males.

How many patients were enrolled in AZD3355 trials?

Across four completed clinical trials, 478 participants were enrolled. The trials were randomized, double-blind, and placebo-controlled. Enrollment ranged from 23 participants in the renal impairment study to 54 in the Phase 1 dose-escalation study, with Phase 2 GERD studies enrolling 27 patients each.