Skip to content

ADX10059 as an add-on Therapy to Proton Pump Inhibitors (PPIs) in Patients With Gastroesophageal Reflux (GERD)

A Phase 2B, Randomised, Double-blind, Placebo-controlled, Parallel Group, Dose-ranging, Multi-centre Study to Investigate the Efficacy, Safety and Tolerability of the mGluR5 Negative Allosteric Modulator ADX10059 in Patients With Gastroesophageal Reflux Disease (GERD) Who Are Partial Responders to Proton Pump Inhibitor (PPI) Treatment

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00810485
Enrollment
298
Registered
2008-12-18
Start date
2008-12-31
Completion date
Unknown
Last updated
2012-07-16

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

Conditions

Gastroesophageal Reflux

Keywords

Gastroesophageal reflux, Proton pump inhibitor, Heartburn, Regurgitation

Brief summary

The purpose of this study is to evaluate the effect of ADX10059 in patients with gastroesophageal reflux disease who are partial responders to proton pump inhibitors

Interventions

oral administration

oral administration

Sponsors

Addex Pharma S.A.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

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

Inclusion criteria

* diagnosis of typical GERD * partial responder to a stable standard clinical symptoms control dose of PPI therapy * body mass index ≤ 32 kg/m2

Exclusion criteria

* exclusively atypical symptoms of GERD * symptoms that have been shown not to be associated with GERD * erosive oesophagitis * treated with a dose of PPI greater than the dose indicated for clinical symptom control of GERD * hiatus hernia \> 3 cm * current diagnosis of co-existing psychiatric disease * known clinical significant allergy or known hypersensitivity to drugs * is pregnant or breast-feeding * has received sodium valproate or topiramate within 30 days of Screening * has a history of a significant medical condition that may affect the safety of the patient or preclude adequate participation in the study

Design outcomes

Primary

MeasureTime frame
Number of GERD symptom free days in week 4 of study medication treatment4 weeks

Secondary

MeasureTime frame
GERD symptoms4 weeks
Sleep disturbance4 weeks
Use of antacid medications4 weeks
Global assessment of GERD4 weeks
Safety and tolerability assessments4 weeks

Countries

France, Germany, Netherlands, Switzerland, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026