Trial Outcomes & Findings for Study Comparing Fexuprazan and Esomeprazole in Patients With Gastroesophageal Reflux Disease (NCT NCT07326904)

NCT ID: NCT07326904

Last Updated: 2026-08-24

Results Overview

Symptom relief was assessed using the Gastroesophageal Reflux Disease Questionnaire (GERD-Q). The GERD-Q total score ranges from a minimum of 0 to a maximum of 18, where higher scores indicate a worse outcome (greater severity and higher likelihood of GERD). The primary outcome was defined as the proportion of participants with a GERD-Q total score \<8 at Week 4, indicating adequate relief of GERD symptoms.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

145 participants

Primary outcome timeframe

4 weeks

Results posted on

2026-08-24

Participant Flow

Participants were recruited at three hospital-based outpatient clinics in Indonesia (University of Indonesia Hospital, Islam Cempaka Putih Hospital, and Menteng Mitra Afia Hospital). Recruitment began on 23 September 2024 following institutional review board approval. The last participant was enrolled on 10 October 2024. Eligible adult patients with gastroesophageal reflux disease were identified during routine clinical visits and screened according to protocol-defined criteria.

After enrollment and informed consent, participants underwent a screening and washout period of up to 2 weeks, during which prohibited acid-suppressive or concomitant medications were discontinued. Eligibility was reassessed prior to randomization, and participants who did not meet protocol-defined inclusion or exclusion criteria or withdrew consent were not assigned to a treatment arm.

Participant milestones

Participant milestones
Measure
Fexuprazan 40 mg
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Overall Study
STARTED
67
67
Overall Study
COMPLETED
67
67
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Fexuprazan 40 mg
n=67 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Total
n=134 Participants
Total of all reporting groups
Age, Customized
Age, year
30 Years
n=67 Participants
29 Years
n=67 Participants
29.5 Years
n=134 Participants
Sex: Female, Male
Female
44 Participants
n=67 Participants
47 Participants
n=67 Participants
91 Participants
n=134 Participants
Sex: Female, Male
Male
23 Participants
n=67 Participants
20 Participants
n=67 Participants
43 Participants
n=134 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Body Mass Index (BMI)
26.42 kg/m^2
STANDARD_DEVIATION 5.21 • n=67 Participants
26.18 kg/m^2
STANDARD_DEVIATION 5.80 • n=67 Participants
26.30 kg/m^2
STANDARD_DEVIATION 5.49 • n=134 Participants
Smoking History
Non-smoker
57 Participants
n=67 Participants
52 Participants
n=67 Participants
109 Participants
n=134 Participants
Smoking History
Smoker
10 Participants
n=67 Participants
15 Participants
n=67 Participants
25 Participants
n=134 Participants
Drinking History
Non-alcoholic
67 Participants
n=67 Participants
67 Participants
n=67 Participants
134 Participants
n=134 Participants
Drinking History
Alcoholic
0 Participants
n=67 Participants
0 Participants
n=67 Participants
0 Participants
n=134 Participants

PRIMARY outcome

Timeframe: 4 weeks

Population: The primary efficacy analysis was conducted in the Full Analysis Set (FAS), defined as all randomized participants who received at least one dose of study medication and had a post-baseline GERD-Q assessment.

Symptom relief was assessed using the Gastroesophageal Reflux Disease Questionnaire (GERD-Q). The GERD-Q total score ranges from a minimum of 0 to a maximum of 18, where higher scores indicate a worse outcome (greater severity and higher likelihood of GERD). The primary outcome was defined as the proportion of participants with a GERD-Q total score \<8 at Week 4, indicating adequate relief of GERD symptoms.

Outcome measures

Outcome measures
Measure
Fexuprazan 40 mg
n=66 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Proportion of Participants With Symptom Relief at Week 4 (GERD-Q Score <8)
0.7879 Proportion of participants
Interval 0.67 to 0.879
0.7910 Proportion of participants
Interval 0.674 to 0.881

SECONDARY outcome

Timeframe: 8 weeks

Population: The analysis was conducted in the Full Analysis Set (FAS), defined as all randomized participants who received at least one dose of study medication and had a post-baseline GERD-Q assessment.

The proportion of participants who achieved symptom relief at Week 8, defined as a total score of less than 8 on the Gastroesophageal Reflux Disease Questionnaire (GERD-Q). The GERD-Q total score ranges from a minimum of 0 to a maximum of 18, where higher scores indicate a worse outcome (greater symptom severity). This assessment applied only to participants who continued treatment beyond the initial 4-week period.

Outcome measures

Outcome measures
Measure
Fexuprazan 40 mg
n=66 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Proportion of Participants With Symptom Relief at Week 8 (GERD-Q Score <8)
0.9091 Proportion of participants
Interval 0.813 to 0.966
0.9403 Proportion of participants
Interval 0.854 to 0.983

SECONDARY outcome

Timeframe: From first dose until achievement of complete response, up to 8 weeks

Population: Time-to-event analysis was performed using the Full Analysis Set (FAS), which included all randomized participants who received at least one dose of study drug and had post-baseline symptom diary data.

Complete response was defined as the absence of heartburn and/or acid regurgitation symptoms for 7 consecutive days based on patient diaries. Time to complete response was measured in days from the first dose to the first day of the 7-day symptom-free period. Analysis included all subjects using time-to-event methods.

Outcome measures

Outcome measures
Measure
Fexuprazan 40 mg
n=66 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Time to Complete Symptom Response After First Dose
Without heartburn (FAS)
14 Days
Interval 10.021 to 17.979
16 Days
Interval 11.993 to 20.007
Time to Complete Symptom Response After First Dose
Without acid reflux (FAS)
17 Days
Interval 13.036 to 20.964
17 Days
Interval 14.083 to 19.917
Time to Complete Symptom Response After First Dose
Without heartburn/acid reflux (FAS)
19 Days
Interval 13.934 to 24.066
21 Days
Interval 14.125 to 27.875

SECONDARY outcome

Timeframe: Up to 8 weeks

Population: The analysis was performed using the Full Analysis Set (FAS), defined as all randomized participants who received at least one dose of study medication and had available post-baseline symptom diary data.

The number of participants without major GERD symptoms (heartburn and/or acid regurgitation) during predefined periods, including the first 7 days, 4 weeks, and 8 weeks after initiation of treatment, as recorded in participant diaries.

Outcome measures

Outcome measures
Measure
Fexuprazan 40 mg
n=66 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Number of Participants Without Major GERD Symptoms
7 days - Without heartburn (FAS) · Without heartburn/acid reflux
16 Participants
12 Participants
Number of Participants Without Major GERD Symptoms
7 days - Without acid reflux (FAS) · Without heartburn/acid reflux
11 Participants
4 Participants
Number of Participants Without Major GERD Symptoms
7 days - Without heartburn/acid reflux (FAS) · Without heartburn/acid reflux
8 Participants
3 Participants
Number of Participants Without Major GERD Symptoms
4 weeks - Without heartburn (FAS) · Without heartburn/acid reflux
52 Participants
50 Participants
Number of Participants Without Major GERD Symptoms
4 weeks - Without acid reflux (FAS) · Without heartburn/acid reflux
45 Participants
48 Participants
Number of Participants Without Major GERD Symptoms
4 weeks - Without heartburn/acid reflux (FAS) · Without heartburn/acid reflux
40 Participants
45 Participants
Number of Participants Without Major GERD Symptoms
8 weeks - Without heartburn (FAS) · Without heartburn/acid reflux
54 Participants
57 Participants
Number of Participants Without Major GERD Symptoms
8 weeks - Without acid reflux (FAS) · Without heartburn/acid reflux
50 Participants
56 Participants
Number of Participants Without Major GERD Symptoms
8 weeks - Without heartburn/acid reflux (FAS) · Without heartburn/acid reflux
43 Participants
54 Participants

SECONDARY outcome

Timeframe: Up to 8 weeks

Population: The analysis was performed using the Full Analysis Set (FAS), defined as all randomized participants who received at least one dose of study medication and had at least one post-baseline diary assessment.

The percentage of days without heartburn and/or acid regurgitation per participant during the first 7 days, 4 weeks, and 8 weeks after treatment initiation. This includes daytime, nighttime, and combined daytime/nighttime periods based on participant diary entries, analyzed and reported as the mean percentage of symptom-free days

Outcome measures

Outcome measures
Measure
Fexuprazan 40 mg
n=66 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Percentage of Days Free of Major GERD Symptoms
7 days - Without heartburn (FAS)
58.44 Percentage of days
Standard Deviation 36.33 • Interval 0.0 to 100.0
52.03 Percentage of days
Standard Deviation 38.2 • Interval 0.0 to 100.0
Percentage of Days Free of Major GERD Symptoms
7 days - Without acid reflux (FAS)
49.13 Percentage of days
Standard Deviation 38.18 • Interval 0.0 to 100.0
43.50 Percentage of days
Standard Deviation 35.47 • Interval 0.0 to 100.0
Percentage of Days Free of Major GERD Symptoms
7 days - Without heartburn/acid reflux (FAS)
43.07 Percentage of days
Standard Deviation 37.55 • Interval 0.0 to 100.0
35.82 Percentage of days
Standard Deviation 33.77 • Interval 0.0 to 100.0
Percentage of Days Free of Major GERD Symptoms
4 weeks - Without heartburn (FAS)
69.45 Percentage of days
Standard Deviation 28.94 • Interval 0.0 to 100.0
65.26 Percentage of days
Standard Deviation 29.31 • Interval 0.0 to 100.0
Percentage of Days Free of Major GERD Symptoms
4 weeks - Without acid reflux (FAS)
63.05 Percentage of days
Standard Deviation 30.12 • Interval 0.0 to 100.0
58.70 Percentage of days
Standard Deviation 30.57 • Interval 0.0 to 100.0
Percentage of Days Free of Major GERD Symptoms
4 weeks - Without heartburn/acid reflux (FAS)
58.57 Percentage of days
Standard Deviation 30.04 • Interval 0.0 to 100.0
53.96 Percentage of days
Standard Deviation 30.03 • Interval 0.0 to 100.0
Percentage of Days Free of Major GERD Symptoms
8 weeks - Without heartburn (FAS)
72.01 Percentage of days
Standard Deviation 25.90 • Interval 3.57 to 100.0
69.63 Percentage of days
Standard Deviation 25.58 • Interval 1.69 to 100.0
Percentage of Days Free of Major GERD Symptoms
8 weeks - Without acid reflux (FAS)
65.59 Percentage of days
Standard Deviation 27.81 • Interval 0.0 to 100.0
63.33 Percentage of days
Standard Deviation 27.61 • Interval 0.0 to 100.0
Percentage of Days Free of Major GERD Symptoms
8 weeks - Without heartburn/acid reflux (FAS)
61.28 Percentage of days
Standard Deviation 27.78 • Interval 0.0 to 100.0
59.12 Percentage of days
Standard Deviation 26.55 • Interval 0.0 to 100.0

SECONDARY outcome

Timeframe: Baseline up to 8 weeks (Evaluated at 7 days, 4 weeks, and 8 weeks)

Population: The analysis was performed using the Full Analysis Set (FAS), defined as all randomized participants who received at least one dose of study medication and had at least one post-baseline assessment.

Change from baseline in the Gastroesophageal Reflux Disease Questionnaire (GERD-Q) total score. The GERD-Q is a 6-item scale used to evaluate the frequency of GERD symptoms. Total scores range from a minimum of 0 to a maximum of 18, where higher scores indicate greater symptom severity (a worse outcome).

Outcome measures

Outcome measures
Measure
Fexuprazan 40 mg
n=66 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Change From Baseline in GERD-Q Total Score
Baseline
11.05 Score on a scale
Standard Deviation 2.17
11.58 Score on a scale
Standard Deviation 1.99
Change From Baseline in GERD-Q Total Score
7-days
8.58 Score on a scale
Standard Deviation 2.99
8.76 Score on a scale
Standard Deviation 2.89
Change From Baseline in GERD-Q Total Score
4-weeks
6.27 Score on a scale
Standard Deviation 2.73
6.25 Score on a scale
Standard Deviation 2.59
Change From Baseline in GERD-Q Total Score
8-weeks
5.77 Score on a scale
Standard Deviation 2.22
5.75 Score on a scale
Standard Deviation 2.19

SECONDARY outcome

Timeframe: Baseline to up to 8 weeks

Population: The analysis was performed using the Full Analysis Set (FAS), defined as all randomized participants who received at least one dose of study medication and had at least one post-baseline assessment.

Change from baseline in the Gastroesophageal Reflux Disease-Health-Related Quality of Life (GERD-HRQL) total score. The GERD-HRQL is a 10-item instrument used to assess the impact of symptoms on daily life. Total scores range from a minimum of 0 to a maximum of 50, where higher scores indicate worse health-related quality of life (a worse outcome).

Outcome measures

Outcome measures
Measure
Fexuprazan 40 mg
n=66 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Change From Baseline in GERD-Health-Related Quality of Life (GERD-HRQL) Total Score
Baseline
22.68 Score on a scale
Standard Deviation 10.45
22.69 Score on a scale
Standard Deviation 9.02
Change From Baseline in GERD-Health-Related Quality of Life (GERD-HRQL) Total Score
7-days
11.53 Score on a scale
Standard Deviation 8.70
14.07 Score on a scale
Standard Deviation 9.41
Change From Baseline in GERD-Health-Related Quality of Life (GERD-HRQL) Total Score
4-weeks
4.61 Score on a scale
Standard Deviation 6.07
5.69 Score on a scale
Standard Deviation 6.69
Change From Baseline in GERD-Health-Related Quality of Life (GERD-HRQL) Total Score
8-weeks
3.55 Score on a scale
Standard Deviation 4.96
3.79 Score on a scale
Standard Deviation 5.22

OTHER_PRE_SPECIFIED outcome

Timeframe: Up to 8 weeks

Population: The analysis was performed using a subset of the Full Analysis Set (FAS), specifically including only those randomized participants who presented with chronic cough symptoms at baseline and had at least one post-baseline assessment.

The number of participants who experienced relief from chronic cough symptoms during predefined periods after initiation of study treatment, based on participant diary assessments. Note: The "Baseline" rows report the number of participants who indicated they experienced the symptom of chronic cough at baseline, while all post-baseline time points report the number of participants that experienced symptom relief.

Outcome measures

Outcome measures
Measure
Fexuprazan 40 mg
n=66 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Number of Participants With Relief From Chronic Cough
Baseline - Daytime
6 Participants
9 Participants
Number of Participants With Relief From Chronic Cough
Baseline - Nighttime
6 Participants
9 Participants
Number of Participants With Relief From Chronic Cough
3-days - Daytime
0 Participants
3 Participants
Number of Participants With Relief From Chronic Cough
3-days - Nighttime
1 Participants
5 Participants
Number of Participants With Relief From Chronic Cough
7-days - Daytime
0 Participants
3 Participants
Number of Participants With Relief From Chronic Cough
7-days - Nighttime
1 Participants
5 Participants
Number of Participants With Relief From Chronic Cough
4-weeks - Daytime
6 Participants
8 Participants
Number of Participants With Relief From Chronic Cough
4-weeks - Nighttime
6 Participants
8 Participants
Number of Participants With Relief From Chronic Cough
8-weeks - Daytime
6 Participants
9 Participants
Number of Participants With Relief From Chronic Cough
8-weeks - Nighttime
6 Participants
9 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Up to 8 weeks

Population: The analysis was performed using a subset of the Full Analysis Set (FAS), specifically including only those randomized participants who presented with throat irritation or foreign body sensation at baseline and had at least one post-baseline assessment.

The number of participants who experienced relief of throat irritation or foreign body sensation during predefined periods after initiation of study treatment, as recorded in participant diaries. Note: The "Baseline" rows report the number of participants who indicated they experienced the symptom at baseline, while all post-baseline time points report the number of participants that experienced symptom relief.

Outcome measures

Outcome measures
Measure
Fexuprazan 40 mg
n=66 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Number of Participants With Relief of Throat Irritation Sensation
Baseline Daytime
30 Participants
30 Participants
Number of Participants With Relief of Throat Irritation Sensation
Baseline Nighttime
30 Participants
30 Participants
Number of Participants With Relief of Throat Irritation Sensation
3-days - Daytime
7 Participants
6 Participants
Number of Participants With Relief of Throat Irritation Sensation
3-days - Nighttime
8 Participants
5 Participants
Number of Participants With Relief of Throat Irritation Sensation
7-days - Daytime
4 Participants
2 Participants
Number of Participants With Relief of Throat Irritation Sensation
7-days - Nighttime
6 Participants
4 Participants
Number of Participants With Relief of Throat Irritation Sensation
4-weeks - Daytime
22 Participants
24 Participants
Number of Participants With Relief of Throat Irritation Sensation
4-weeks - Nighttime
21 Participants
22 Participants
Number of Participants With Relief of Throat Irritation Sensation
8-weeks - Daytime
25 Participants
28 Participants
Number of Participants With Relief of Throat Irritation Sensation
8-weeks - Nighttime
24 Participants
28 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Up to 8 weeks

Population: The analysis was performed using a subset of the Full Analysis Set (FAS), specifically including only those randomized participants who experienced nocturnal GERD symptoms (awakened from sleep) at baseline and had at least one post-baseline assessment.

The number of participants who were not awakened from sleep due to heartburn or acid regurgitation during predefined periods after initiation of study treatment, as recorded in participant diaries. Note: The "Baseline" rows report the number of participants who indicated they experienced the symptom at baseline, while all post-baseline time points report the number of participants that experienced symptom relief.

Outcome measures

Outcome measures
Measure
Fexuprazan 40 mg
n=66 Participants
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 Participants
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Number of Participants Without Nocturnal GERD Symptoms
Baseline - Nighttime
23 Participants
25 Participants
Number of Participants Without Nocturnal GERD Symptoms
3-days - Nighttime
9 Participants
14 Participants
Number of Participants Without Nocturnal GERD Symptoms
7-days - Nighttime
8 Participants
9 Participants
Number of Participants Without Nocturnal GERD Symptoms
4-weeks - Nighttime
20 Participants
21 Participants
Number of Participants Without Nocturnal GERD Symptoms
8-weeks - Nighttime
22 Participants
25 Participants

Adverse Events

Fexuprazan 40 mg

Serious events: 0 serious events
Other events: 42 other events
Deaths: 0 deaths

Esomeprazole 40 mg

Serious events: 0 serious events
Other events: 38 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Fexuprazan 40 mg
n=67 participants at risk
Participants assigned to this arm received fexuprazan 40 mg, a potassium-competitive acid blocker (P-CAB), administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Fexuprazan: Fexuprazan was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with fexuprazan for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Esomeprazole 40 mg
n=67 participants at risk
Participants assigned to this arm received esomeprazole 40 mg, a proton pump inhibitor, administered orally once daily. The initial treatment period was 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole 40 mg for an additional 4 weeks, for a maximum treatment duration of 8 weeks. Treatment adherence and safety were monitored throughout the study period according to the protocol. Esomeprazole: Esomeprazole was administered orally at a dose of 40 mg once daily. Participants received treatment for an initial period of 4 weeks. Participants who did not achieve adequate symptom relief after the initial treatment period continued treatment with esomeprazole for an additional 4 weeks, for a maximum treatment duration of 8 weeks.
Gastrointestinal disorders
Abdominal distension
10.4%
7/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
7.5%
5/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
Gastrointestinal disorders
Abdominal pain lower
19.4%
13/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
20.9%
14/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
Gastrointestinal disorders
Constipation
0.00%
0/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
6.0%
4/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
Gastrointestinal disorders
Diarrhea
7.5%
5/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
11.9%
8/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
Gastrointestinal disorders
Nausea
40.3%
27/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
28.4%
19/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
Gastrointestinal disorders
Vomiting
10.4%
7/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
14.9%
10/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
Nervous system disorders
Dizziness
9.0%
6/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
10.4%
7/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
Nervous system disorders
Headache
10.4%
7/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.
19.4%
13/67 • Up to 8 weeks
Adverse events (AEs) were collected via systematic assessment (symptom diaries and clinician interviews at Day 7, Week 4, and Week 8). Analysis used the Safety Set (SS), defined as all randomized participants who received at least one dose of study medication. AE definitions followed standard ICH-GCP guidelines, which are consistent with ClinicalTrials.gov definitions.

Additional Information

Prof Dr. dr. Ari Fahrial Syam, SpPD, K-GEH, MMB, FACP, FACG, FINASIM

RS Islam Jakarta Cempaka Putih

Phone: +62 818-706-199

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place