Oral Fosamprenavir for GERD

Trial statusNot yet recruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age50-65
SponsorMedical College of Wisconsin

About this trial

The goal of this clinical trial is to learn if study drug Fosamprenavir administered orally improves symptoms for Proton Pump Inhibitor (PPI)-refractory Gastro Esophageal Reflux Disease (GERD).

The main questions it aims to answer are:

1. Does fosamprenavir significantly improve heartburn severity over the 8-week treatment period 2. Does fosamprenavir significantly improve regurgitation frequency over the 8-week treatment period 3. Does fosamprenavir significantly improve symptoms of persistent GERD over the 8-week treatment period

Researchers will compare fosamprenavir to a placebo (a look-alike substance that contains no active drug) to see if fosamprenavir works to treat PPI-refractory GERD.

Participants will:

1. Take fosamprenavir or placebo every day BID (twice a day) for 8 weeks 2. Visit the Adult Translational Research Unit (ATRU) seven times for consenting, screening, and checkups and tests 3. Keep a daily diary of their symptoms of persistent GERD

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Patient aged 50-65 selected as candidate for anti-reflux surgery by study providers.

Patient has received, and continued having GERD symptoms during, standard-labeled dose, daily, PPI therapy for a minimum of 8 weeks before the Screening Visit.

Erosive esophagitis (Grade A or greater based on the Los Angeles classification of esophagitis; Appendix 3)

Evidence of pathological acid reflux (pH < 4 for ≥ 4-6% off therapy or ≥ 1-4% on therapy) during a 24-hour time interval of pH testing

Disqualifiers

Patient is suspected of having, functional upper gastrointestinal disorders such as functional dyspepsia or functional heartburn diagnosed by the Rome IV criteria; Appendix 4.

Patient has endoscopically confirmed eosinophilic esophagitis (EE).

Trial design

Design model

Parallel

Treatments tested in this trial

  • Fosamprenavir Calcium 700 MG Oral Tablet

    Drug

    1400 mg fosamprenavir BID

  • Placebo

    Other intervention

    Placebo pill

Treatment groups

60 Participants
are divided into 2 treatment groups
Group A: Oral FosamprenavirExperimental treatment 1 intervention
Group B: Oral PlaceboPlacebo comparator 1 intervention

Trial outcomes

Primary outcomes

1

Weekly Heartburn Severity Score

The absolute change from baseline (Pretreatment) in heartburn severity as indicated by Weekly Heartburn Severity Score (WHSS; based on items 1 and 2 of the modified Reflux Symptom Questionnaire Electronic Diary, mRESQ-eD) over time, with the primary treatment comparison at Week 8 (End of Treatment)

Time frame
Baseline to Treatment Week 8 (End of Treatment)

Secondary outcomes

1

Weekly Regurgitation Frequency Score

The absolute change from baseline in regurgitation frequency as indicated by Weekly Regurgitation Frequency Score (WRFS; based on items 6 and 7 of the mRESQ-eD) over time, with the primary treatment comparison at Week 8.

Time frame
Baseline to Treatment Week 8 (End of Treatment)
2

Weekly Heartburn-free Days

The absolute change from baseline in weekly heartburn-free days as indicated by Weekly Heartburn-Free Days (WHFD; i.e. the total number of symptom-free days per week, with symptom-free defined as "Did not have" response to items 1 and 2 of the mRESQ-eD), over time, with the primary treatment comparison at Week 8.

Time frame
Baseline to Treatment Week 8 (End of Treatment)
3

Weekly Overall Reflux Symptom-free Days

The absolute change from baseline in weekly overall reflux symptom-free days as indicated by Weekly Symptom-Free Days (WSFD; i.e. the total number of symptom-free days per week, with symptom-free defined as "Did not have" or "Never" response to all items of the mRESQ-eD), over time, with the primary treatment comparison at Week 8.

Time frame
Baseline to Treatment Week 8 (End of Treatment)

Other outcomes

Sponsors and contacts

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