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AzTrials

Non-erosive Gastroesophageal Reflux DiseasePhase 3NCT02954848

Phase 3 Study of TAK-438 10 mg in the Treatment of Non-Erosive Gastroesophageal Reflux Disease (NERD)

A Phase 3 study testing TAK-438 10 mg in people with Non-erosive Gastroesophageal Reflux Disease, run by Takeda at 30 sites in Japan.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study was to evaluate the efficacy and safety of oral TAK-438 10 mg once-daily in the treatment of non-erosive gastroesophageal reflux disease (NERD). Read more about this study

Who is it for?
Ages 20 years and older
What is being tested?
TAK-438 10 mg
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
484 participants
Where
30 sitesJapan
Study dates
15 Nov 2016to 26 Feb 2018
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • In the opinion of the investigator, the participant is capable of understanding and complying with protocol requirements.
  • The participant signs and dates a written informed consent form prior to the initiation of any study procedures.
  • The participant with NERD.
  • The participant is endoscopically confirmed to have the modified Los Angeles (LA) Classification Grade N or M at the start of the run-in period (Visit 1).
  • To allow efficacy evaluation in the participants with Grade N as well as in those with Grade M, the target number of participants in each grade is at least 30% of the total number of participants. Enrollment of patients with either Grade N or M will end when the number of enrolled participants with each grade exceeds 332, or 70% of the total planned number of participants.
  • The participant experiences recurrent heartburn, on at least 2 days a week over the last 3 weeks prior to the start of the run-in period (Visit 1).
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  • The participant is either a male or female outpatient with a minimum age of 20 years at the time of informed consent signing. However, participants who are hospitalized only for examination purposes are also allowed to participate.
  • A female participant of childbearing potential agrees to use routinely adequate contraception from signing of informed consent throughout the duration of the study, and for 4 weeks after the last dose of study drug.
  • The participant's compliance to the study drug has been good (75% or better) in the run-in period.
  • The participant has experienced heartburn on at least 2 days in the last 1 week prior to randomization.
  • The participant has appropriately provided in the patient's diary all the required information during the run-in period.

Who cannot join

  • The participant has received any investigational compound within 84 days prior to the first dose of study drug.
  • The participant has received TAK-438 in a previous clinical study or as a therapeutic agent, except one with experience of receiving TAK-438 as an adjunct therapy for H. pylori eradication, who can be enrolled in this study.
  • The participant is an immediate family member, study site employee, or is in a dependent relationship with a study site employee who is involved in conduct of this study (eg, spouse, parent, child, sibling) or may consent under duress.
  • The participant has donated at least 400 mL of blood within the 90 days prior to the start of the run-in period (Visit 1).
  • Endoscopic examination for entering this study fails to diagnose NERD within 84 days before the start of the run-in period (Visit 1).
  • The participant has any complications affecting the esophagus, including Barrett's esophagus (3 cm or more, long segment Barrett's esophagus [LSBE]), eosinophilic esophagitis, esophageal varices, scleroderma, viral or fungal infection, and esophageal stenosis; a history of radiation therapy or cryotherapy for the esophagus; or caustic or physiochemical trauma (eg, esophageal sclerotherapy). However, participants with Barrett's mucosa (less than 3 cm, short segment Barrett's esophagus [SSBE]) or Schatzki's ring (a mucosal tissue ring lining the inferior esophageal sphincter) are permitted to participate.
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  • The participant has a history of surgery or treatment affecting gastroesophageal reflux, including fundoplication and mechanical dilatation for esophageal stenosis (except Schatzki's ring), or a history of gastric or duodenal surgery (except endoscopic removal of benign polyps).
  • The participant has acute upper gastrointestinal bleeding or gastric or duodenal ulcer, characterized by a defective mucosa with white coating, within 30 days prior to the start of the run-in period (Visit 1). However, participants with gastric or duodenal erosion are permitted to participate.
  • The participant has acute gastritis or acute exacerbation of chronic gastritis.
  • The participant has, or has a history of, Zollinger-Ellison syndrome or gastric acid hypersecretion disorders.
  • The participant has, or has a history of chest pain due to cardiac disease, or has chest pain suspectedly caused by cardiac disease within 1 year prior to the start of the run-in period (Visit 1).
  • The participant has any other concurrent upper gastrointestinal symptoms more severe than heartburn.
  • The participant has depression.
  • The participant has, has a history of, or is suspected of functional upper gastrointestinal disorders, such as functional dyspepsia and functional heartburn diagnosed by the Rome IV criteria.
  • The participant has a history of hypersensitivity or allergies to TAK-438 (including the formulation excipients).
  • The participant has a history or complication of drug abuse (defined as any illicit drug use) or of alcohol abuse within 1 years prior to the start of the run-in period (Visit 1).
  • The participant requires any excluded medications or treatments.
  • The female participant who is pregnant, is lactating, or is intending to become pregnant or to donate ova any time between the informed consent signing and 4 weeks after the last dose of study drug.
  • The participant has any serious neurological, cardiovascular, pulmonary, hepatic, renal, metabolic, gastrointestinal, urologic, endocrinological, or hematologic diseases.
  • The participant needs surgery requiring hospitalization during the course of the study, or surgery requiring hospitalization is scheduled for the participant during the course of the study.
  • The participant has a history of malignancy or is treated for malignancy within 5 years prior to the start of the run-in period (Visit 1). However, participants who have recovered completely from cutaneous basal cell carcinoma or from cervical carcinoma in situ are permitted to participate.
  • The participant has acquired immunodeficiency syndrome (AIDS) or hepatitis, is a human immunodeficiency virus (HIV) carrier, or tested positive for the hepatitis B virus surface antigen (HBsAg) or the hepatitis C virus (HCV) antibody. However, participants who tested negative for HCV antigen or HCV-RNA are permitted to participate.
  • The participant has any of the following abnormal clinical laboratory test values at the start of the run-in period (Visit 1):
  • Creatinine > 2 mg/dL.
  • Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) > upper limit of normal (ULN).
  • Bilirubin (Total bilirubin) > ULN.

Trial locations and contacts

30 sites in 1 country.

30 sites in 1 country

Japan30 sites

  • Study site

    Abiko, Chiba

  • Study site

    Arakawa-ku, Tokyo

  • Study site

    Asahikawa, Hokkaido

  • Study site

    Fujimi, Saitama

  • Study site

    Fukuoka

  • Study site

    Hiki-gun, Saitama

  • Study site

    Hiroshima

  • Study site

    Kasuya-gun, Fukuoka

  • Study site

    Kitakatsuragi, Nara

  • Study site

    Kitakyushu, Fukuoka

  • Study site

    Kochi

  • Study site

    Kōriyama, Fukushima

  • Study site

    Kumamoto

  • Study site

    Nagasaki

  • Study site

    Nakano-ku, Tokyo

  • Study site

    Ōita

  • Study site

    Osaka

  • Study site

    Ōtawara, Tochigi

  • Study site

    Sapporo, Hokkaido

  • Study site

    Satte, Saitama

  • Study site

    Setagaya-ku, Tokyo

  • Study site

    Shibuya-ku, Tokyo

  • Study site

    Shizuoka

  • Study site

    Suzaki, Kochi

  • Study site

    Toshima-ku, Tokyo

  • Study site

    Wakasugi, Fukuoka

  • Study site

    Yachiyo, Chiba

  • Study site

    Yamagata

  • Study site

    Yokohama, Kanagawa

  • Study site

    Yukuhashi, Fukuoka

Other trials in Japan

About this study

Official title: A Randomized, Double-Blind, Placebo-Controlled, Multicenter, Phase 3 Study to Evaluate the Efficacy and Safety of Oral TAK-438 10 mg Once-daily in the Treatment of Non-Erosive Gastroesophageal Reflux Disease

The purpose of this study was to evaluate the efficacy and safety of oral TAK-438 10 mg once-daily in the treatment of non-erosive gastroesophageal reflux disease (NERD).

Read the detailed description

A phase 3, randomized, double-blind, placebo-controlled, parallel-group, multi-center study will be conducted to verify the superiority of TAK-438 (TAK-438 10 mg, once daily, 4 weeks) to placebo (placebo, once daily, 4 weeks) in participants with non-erosive gastroesophageal reflux disease (NERD).

The study consists of a 1-week, single-blind run-in period and a 4-week, double-blind treatment period. The participants will receive the study drug (TAK-438 placebo tablet) for the 1-week single-blind run-in period. After the run-in period, eligible participants will be randomized into TAK-438 10 mg or placebo treatment groups in a 1:1 ratio. The randomized participants will receive the assigned study drug (TAK-438 10 mg tablet or placebo tablet) for the 4-week double-blind treatment period.

Being tested
Placebo, TAK-438 10 mg
Keywords
Drug therapy

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • PlaceboDrug

    TAK-438 placebo-matching tablets

  • TAK-438 10 mgDrug

    TAK-438 tablets

Study groups in NCT02954848
Study groupRoleWhat they receive
PlaceboPlacebo comparatorTAK-438 placebo-matching tablets, orally, once daily after breakfast for 1 week in run-in period followed by TAK-438 placebo-matching tablets, orally, once daily after breakfast for up to 4 weeks in treatment period.
Receives: Drug: Placebo
TAK-438 10 mgExperimentalTAK-438 placebo-matching tablets, orally, once daily after breakfast for 1 week in run-in period followed by TAK-438 10 mg tablets, orally, once daily after breakfast for up to 4 weeks in treatment period.
Receives: Drug: Placebo; Drug: TAK-438 10 mg

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Percentage of Days Without Symptoms of Heartburn

    Heartburn symptoms were collected by participant diaries. Participants recorded the presence and severity (Without symptom [No symptom: 0, No hindrance to daily activities: 1], With symptom [Mild: 2, Moderate: 3, Severe: 4]) of heartburn in a daily participant diary. The score range was 0-4, with the higher scores reflecting the greater severity. Reported data was the percentage of days for each group, calculated by the number of days without heartburn divided by the number of days of treatment period.

    Measured: Up to Week 4

  2. Cumulative Rate of Improvement in Symptoms of Heartburn

    Heartburn symptoms were collected by participant diaries. Participants recorded the presence and severity (Without symptom [No symptom: 0, No hindrance to daily activities: 1], With symptom [Mild: 2, Moderate: 3, Severe: 4]) of heartburn in a daily participant diary. The score range was 0-4, with the higher scores reflecting the greater severity. Cumulative rate of improvement was calculated as percentage of participants who experienced symptom improvement. Symptom improvement was defined as symptoms experienced on less than 2 days of the last 7 days. The cumulative data was collected between Day 0 and Day 24 and is reported for the following time points: Days 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, and 24. Data not collected were shown as NA = Not Applicable.

    Measured: Day 0 to Day 24

  3. Severity of Symptoms of Heartburn

    Participants recorded the presence and severity (Without symptom [No symptom: 0, No hindrance to daily activities: 1], With symptom [Mild: 2, Moderate: 3, Severe: 4]) of heartburn in a daily participant diary. The score range was 0-4, with the higher scores reflecting the greater severity. The severity of heartburn was calculated by the number of severity score in daily diaries.

    Measured: Up to Week 4

Secondary outcomes (24)

  1. Percentage of Days Without Symptoms of Heartburn in Subgroup Stratified by Response (Improved or Not Improved) at Week 2

    Participants recorded the presence and severity of heartburn in a daily participant diary. Percentage of days without heartburn was calculated in each subgroup of the response (improved or not improved) according to Criteria 1, i.e. Improved: the participants experienced heartburn on less than 2 days of the 7 days prior to Week 2 [Day 8 through Day 14]; Not improved: the participants experienced heartburn on 2 days or more of the 7 days prior to Week 2 [Day 8 through Day 14] and Criteria 2, i.e. Improved: the proportion of days the participants experienced heartburn during the treatment period up to Week 2 [Day 14] was lower than that during the run-in period; Not improved: the proportion of days the participants experienced heartburn during the treatment period up to Week 2 [Day 14] was equal to or larger than that during the run-in period.

    Measured: Up to Week 4

  2. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Response (Improved Per Criteria 1) at Week 2

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in daily participant diary. The score range was 0-4, with the higher scores reflecting the greater severity. Cumulative rate of improvement was calculated as percentage of participants who experienced symptom improvement. The response was evaluated per Criteria 1, i.e. Improved: the participants experienced heartburn on less than 2 days of the 7 days prior to Week 2 [Day 8 through Day 14]; Not improved: the participants experienced heartburn on 2 days or more of the 7 days prior to Week 2 [Day 8 through Day 14]. Cumulative data was collected between Day 0 and Day 22 and is reported for following time points: Days 0, 1, 2, 3, 4, 5, 6, 7, 8, 11, 15, 16, 17, 18, 19, 20, 21, and 22. Data not collected were shown as NA = Not Applicable.

    Measured: Day 0 to Day 22

  3. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Response (Not Improved Per Criteria 1) at Week 2

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in daily participant diary. The score range was 0-4, with the higher scores reflecting the greater severity. Cumulative rate of improvement is calculated as percentage of participants who experienced symptom improvement. The response was evaluated per Criteria 1, i.e. Improved: the participants experienced heartburn on less than 2 days of the 7 days prior to Week 2 [Day 8 through Day 14]; Not improved: the participants experienced heartburn on 2 days or more of the 7 days prior to Week 2 [Day 8 through Day 14]. Cumulative data was collected between Day 0 and Day 24 and is reported for following time points: Days 0, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 and 24. Data not collected were shown as NA = Not Applicable.

    Measured: Day 0 to Day 24

  4. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Response (Improved Per Criteria 2) at Week 2

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in daily participant diary. The score range was 0-4, with higher scores reflecting the greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Response evaluated per Criteria 2, i.e. Improved: proportion of days participant experienced heartburn during treatment period up to Week 2 [Day 14] was lower than that during run-in period; Not improved: proportion of days participants experienced heartburn during treatment period up to Week 2 [Day 14] was equal to or larger than that during the run-in period. Cumulative data was collected between Day 0 and Day 24 and is reported for following time points: Days 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, and 24. Data not collected were shown as NA=Not Applicable.

    Measured: Day 0 to Day 24

  5. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Response (Not Improved Per Criteria 2) at Week 2

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in daily participant diary. The score range was 0-4, with higher scores reflecting the greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. The response evaluated per Criteria 2, i.e. Improved: proportion of days participant experienced heartburn during treatment period up to Week 2 [Day 14] was lower than that during run-in period; Not improved: proportion of days participants experienced heartburn during treatment period up to Week 2 [Day 14] was equal to or larger than that during run-in period. Cumulative data was collected between Day 0 and Day 24 and is reported for following time points: Days 0, 5, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, and 24. Data not collected shown as NA=Not Applicable.

    Measured: Day 0 to Day 24

  6. Severity of Symptoms of Heartburn in Subgroup Stratified by Response (Improved or Not Improved) at Week 2

    Participants recorded the presence and severity (Without symptom [No symptom: 0, No hindrance to daily activities: 1], With symptom [Mild: 2, Moderate: 3, Severe: 4]) of heartburn in a daily participant diary. The score range was 0-4, the higher scores indicates greater severity. The severity was calculated in each subgroup of response (improved or not improved) according to Criteria 1, i.e. Improved: participants experienced heartburn on less than 2 days of the 7 days prior to Week 2 [Day 8 through Day 14]; Not improved: participants experienced heartburn on 2 days or more of the 7 days prior to Week 2 [Day 8 through Day 14] and Criteria 2, i.e. Improved: proportion of days the participants experienced heartburn during the treatment period up to Week 2 [Day 14] was lower than that during the run-in period; Not improved: proportion of days the participants experienced heartburn during the treatment period up to Week 2 [Day 14] was equal to or larger than that during the run-in period.

    Measured: Up to Week 4

  7. Percentage of Days Without Symptoms of Heartburn in Subgroup Stratified by Endoscopic Findings (the Modified LA Classification Grade N or M) at Baseline

    Heartburn symptoms were collected by participant diaries. Participants recorded the presence and severity (Without symptom [No symptom: 0, No hindrance to daily activities: 1], With symptom [Mild: 2, Moderate: 3, Severe: 4]) of heartburn in a daily participant diary. The score range was 0-4, higher scores indicates greater severity. The percentage was calculated in each subgroup of the endoscopic findings where Grade N: normal mucosa; Grade M: minimal changes to the mucosa, such as erythema and/or whitish turbidity; Grade A: non-confluent mucosal breaks <5mm in length; Grade B: non-confluent mucosal breaks ≥5mm in length; Grade C: confluent mucosal breaks <75% circumferential; Grade D: confluent mucosal breaks >75% circumferential.

    Measured: Up to Week 4

  8. Cumulative Rate of Improvement in Heartburn in Subgroup Stratified by Endoscopic Findings (the Modified LA Classification Grade N) at Baseline

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in participant diary. The score range was 0-4, higher scores indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Cumulative rate calculated in subgroup of Grade N per modified LA classification. Modified LA classification Grade N: normal mucosa; Grade M: minimal changes to mucosa; Grade A: nonconfluent mucosal breaks <5mm in length; Grade B: non-confluent mucosal breaks ≥5mm in length; Grade C: confluent mucosal breaks <75% circumferential; Grade D: confluent mucosal breaks >75% circumferential. Cumulative data collected between Day 0 and 24 and reported for time points: Days 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 and 24. Data not collected shown as NA=Not Applicable.

    Measured: Day 0 to Day 24

  9. Cumulative Rate of Improvement in Heartburn in Subgroup Stratified by Endoscopic Findings (the Modified LA Classification Grade M) at Baseline

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in participant diary. Score range was 0-4, higher scores indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Cumulative rate calculated in subgroup of Grade M per modified LA classification. Modified LA classification Grade N: normal mucosa; Grade M: minimal changes to mucosa; Grade A: nonconfluent mucosal breaks <5mm in length; Grade B: non-confluent mucosal breaks ≥5mm in length; Grade C: confluent mucosal breaks <75% circumferential; Grade D: confluent mucosal breaks >75% circumferential. Cumulative data collected between Day 0 and 24 and reported for time points: Days 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 and 24. Data not collected shown as NA=Not Applicable.

    Measured: Day 0 to Day 24

  10. Severity of Symptoms of Heartburn in Subgroup Stratified by Endoscopic Findings (the Modified LA Classification Grade N or M) at Baseline

    Heartburn symptoms were collected by participant diaries. Participants recorded the presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in a daily participant diary. The score range was 0-4, with the higher scores reflecting the greater severity. The severity of heartburn was calculated in each subgroup of the endoscopic findings where Grade N: normal mucosa; Grade M: minimal changes to the mucosa, such as erythema and/or whitish turbidity; Grade A: non-confluent mucosal breaks <5mm in length; Grade B: non-confluent mucosal breaks ≥5mm in length; Grade C: confluent mucosal breaks <75% circumferential; Grade D: confluent mucosal breaks >75% circumferential.

    Measured: Up to Week 4

  11. Percentage of Days Without Symptoms of Heartburn Stratified by Subgroup of Both the Response at Week 2 and the Endoscopic Findings (the Modified LA Classification Grade N or M)

    Heartburn symptoms were collected by participant diaries. Participants recorded the presence and severity (Without symptom [No symptom: 0, No hindrance to daily activities: 1], With symptom [Mild: 2, Moderate: 3, Severe: 4]) of heartburn in a daily participant diary. The score range was 0-4, higher scores indicates greater severity. The percentage was calculated in each subgroup (response; Grade N and improved, response; Grade N and not improved, response; Grade M and improved, response; Grade M and not improved) according to Criteria 1 and 2. The modified LA classification Grade N indicates the participants with normal mucosa and Grade M indicates the participants with minimal changes to the mucosa.

    Measured: Up to Week 4

  12. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Both the Response (Improved Per Criteria 1) at Week 2 and the Endoscopic Findings (the Modified LA Classification Grade N)

    Participants recorded the presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in participant diary. Score range was 0-4, higher scores indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Response was evaluated per Criteria 1, i.e. Improved: participants experienced heartburn on less than 2 days of 7 days prior to Week 2 [Day 8 through Day 14]; Not improved: participants experienced heartburn on 2 days or more of the 7 days prior to Week 2 [Day 8 through Day 14]. Modified LA classification Grade N: normal mucosa and Grade M: minimal changes to the mucosa. Cumulative data was collected between Day 0 and Day 22 and is reported for following time points: Days 0, 1, 2, 3, 4, 5, 6, 7, 8, 11, 19, 20, and 22. Data not collected were shown as NA=Not Applicable.

    Measured: Day 0 to Day 22

  13. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Both the Response (Not Improved Per Criteria 1) at Week 2 and the Endoscopic Findings (the Modified LA Classification Grade N)

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in participant diary. Score range was 0-4, higher scores indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Response was evaluated per Criteria 1, i.e. Improved: participants experienced heartburn on less than 2 days of 7 days prior to Week 2 [Day 8 through Day 14]; Not improved: participants experienced heartburn on 2 days or more of 7 days prior to Week 2 [Day 8 through Day 14]. Modified LA classification Grade N indicates participants with normal mucosa and Grade M indicates participants with minimal changes to mucosa). Cumulative data was collected between Day 0 and Day 22 and is reported for following time points: Days 0, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 and 22. Data not collected were shown as NA=Not Applicable.

    Measured: Day 0 to Day 24

  14. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Both the Response (Improved Per Criteria 1) at Week 2 and the Endoscopic Findings (the Modified LA Classification Grade M)

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in participant diary. Score range was 0-4, higher score indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Response was evaluated per Criteria 1, i.e. Improved: participants experienced heartburn on less than 2 days of 7 days prior to Week 2 [Day 8 through Day 14]; Not improved: participants experienced heartburn on 2 days or more of 7 days prior to Week 2 [Day 8 through Day 14]. Modified LA classification Grade N indicates participants with normal mucosa and Grade M indicates participants with minimal changes to mucosa). Cumulative data collected between Day 0 and Day 22 and is reported for following time points: Days 0, 1, 2, 3, 4, 5, 6, 7, 8, 11, 15, 16, 17, 18, 20, 21 and 22. Data not collected were shown as NA=Not Applicable.

    Measured: Day 0 to Day 22

  15. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Both the Response (Not Improved Per Criteria 1) at Week 2 and the Endoscopic Findings (the Modified LA Classification Grade M)

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in a daily participant diary. Score range was 0-4, higher score indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Response evaluated per Criteria 1, i.e. Improved: participants experienced heartburn on < 2 days of the 7 days prior to Week 2 [Day 8 to 14]; Not improved: participants experienced heartburn on >= 2 days of 7 days prior to Week 2 [Day 8 to 14]. Modified LA classification Grade N indicates participants with normal mucosa and Grade M indicates participants with minimal changes to mucosa). Cumulative data collected between Day 0 and 24 and reported for following time points: Days 0, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, and 24. Data not collected were shown as NA=Not Applicable.

    Measured: Day 0 to Day 24

  16. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Both the Response (Improved Per Criteria 2) at Week 2 and the Endoscopic Findings (the Modified LA Classification Grade N)

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in participant diary. Score range was 0-4, higher score indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Response was evaluated per Criteria 2, i.e. Improved: participants experienced heartburn during treatment period up to Week 2 [Day 14] was lower than during run-in period; Not improved: participants experienced heartburn during treatment period up to Week 2 [Day 14] was equal to or larger than during run-in period. Modified LA classification Grade N: normal mucosa and Grade M: minimal changes to mucosa). Cumulative data collected between Day 0 and 22 and reported for following time points: Days 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, and 22. Data not collected shown as NA=Not Applicable.

    Measured: Day 0 to Day 22

  17. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Both the Response (Not Improved Per Criteria 2) at Week 2 and the Endoscopic Findings (the Modified LA Classification Grade N)

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in participant diary. Score range was 0-4, higher score indicates greater severity. Cumulative rate of improvement was calculated as percentage of participants who experienced symptom improvement. Response was evaluated per Criteria 2, i.e. Improved: participants experienced heartburn during treatment period up to Week 2 [Day 14] was lower than during run-in period; Not improved: participants experienced heartburn during treatment period up to Week 2 [Day 14] was equal to or larger than during run-in period. Modified LA classification Grade N: normal mucosa and Grade M: minimal changes to mucosa. Cumulative data was collected between Day 0 and Day 24 and is reported for following time points: Days 0, 5, 9, 11, 12, 13, 14, 19, 20, 21, 22, 23, and 24. Data not collected were shown as NA=Not Applicable.

    Measured: Day 0 to Day 24

  18. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Both the Response (Improved Per Criteria 2) at Week 2 and the Endoscopic Findings (the Modified LA Classification Grade M)

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in participant diary. Score range was 0-4, higher score indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Response was evaluated per Criteria 2, i.e. Improved: participants experienced heartburn during treatment period up to Week 2 [Day 14] was lower than during run-in period; Not improved: participants experienced heartburn during treatment period up to Week 2 [Day 14] was equal or larger than during run-in period. Modified LA classification Grade N: normal mucosa and Grade M: minimal changes to mucosa. Cumulative data collected between Day 0 and 24 and reported for following time points: Days 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, and 24. Data not collected shown as NA=Not Applicable.

    Measured: Day 0 to Day 24

  19. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Both the Response (Not Improved Per Criteria 2) at Week 2 and the Endoscopic Findings (the Modified LA Classification Grade M)

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe: 4]) of heartburn in participant diary. Score range was 0-4, higher score indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Response was evaluated per Criteria 2, i.e. Improved: participants experienced heartburn during treatment period up to Week 2 [Day 14] was lower than during run-in period; Not improved: participants experienced heartburn during treatment period up to Week 2 [Day 14] was equal to or larger than during run-in period. Modified LA classification Grade N: normal mucosa and Grade M: minimal changes to mucosa). Cumulative data was collected between Day 0 and Day 23 and is reported for following time points: Days 0, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, and 23. Data not collected shown as NA=Not Applicable.

    Measured: Day 0 to Day 23

  20. Severity of Symptoms of Heartburn in Subgroup Stratified by Both the Response at Week 2 and the Endoscopic Findings (the Modified LA Classification Grade N or M)

    Heartburn symptoms were collected by participant diaries. Participants recorded the presence and severity (Without symptom [No symptom: 0, No hindrance to daily activities: 1], With symptom [Mild: 2, Moderate: 3, Severe: 4]) of heartburn in a daily participant diary. The score range was 0-4, with the higher scores reflecting the greater severity. The mean severity of heartburn was calculated in each subgroup (response; Grade N and improved, response; Grade N and not improved, response; Grade M and improved, response; Grade M and not improved) according to criteria 1 and 2. The modified LA classification Grade N indicates the participants with normal mucosa and Grade M indicates the participants with minimal changes to the mucosa.

    Measured: Up to Week 4

  21. Percentage of Days Without Symptoms of Heartburn in Subgroup Stratified by Response (Improved or Not Improved) to Acid Suppressants in Participants Who Had a Medication History

    Heartburn symptoms were collected by participant diaries. Participants recorded the presence and severity (Without symptom [No symptom: 0, No hindrance to daily activities: 1], With symptom [Mild: 2, Moderate: 3, Severe: 4]) of heartburn in a daily participant diary. The score range was 0-4, higher score indicates greater severity. The percentage was calculated in each subgroup of the response (improved or not improved) in the participants who had a medication history of any of acid suppressants. The acid suppressants include proton pump inhibitors [PPIs], histamine H2-receptor antagonists [H2RAs], or other agents [anticholinergics or anti-gastrin drugs].

    Measured: Up to Week 4

  22. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Response (Improved) to Acid Suppressants in Participants Who Had a Medication History

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in participant diary. Score range was 0-4, higher score indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Cumulative improvement rate calculated in each subgroup of the response (improved or not improved) in participants who had medication history of any of acid suppressants. Acid suppressants include proton pump inhibitors [PPIs], histamine H2-receptor antagonists [H2RAs], or other agents [anticholinergics or anti-gastrin drugs]. Cumulative data collected between Day 0 and Day 23 and is reported for following time points: Days 0, 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 and 23. Data not collected were shown as NA=Not Applicable.

    Measured: Up to Week 4

  23. Cumulative Rate of Improvement in Symptoms of Heartburn in Subgroup Stratified by Response (Not Improved) to Acid Suppressants in Participants Who Had a Medication History

    Participants recorded presence and severity (Without symptom [No symptom:0, No hindrance to daily activities:1], With symptom [Mild:2, Moderate:3, Severe:4]) of heartburn in participant diary. Score range was 0-4, higher score indicates greater severity. Cumulative rate of improvement calculated as percentage of participants who experienced symptom improvement. Cumulative improvement rate calculated in each subgroup of the response (improved or not improved) in participants who had medication history of any of acid suppressants. Acid suppressants include proton pump inhibitors [PPIs], histamine H2-receptor antagonists [H2RAs], or other agents [anticholinergics or anti-gastrin drugs]. Cumulative data was collected between Day 0 and Day 23 and is reported for following time points: Days 0, 1, 5, 9, 16, 19, and 20. Data not collected were shown as NA=Not Applicable.

    Measured: Up to Week 4

  24. Severity of Symptoms of Heartburn in Subgroup Stratified by Response (Improved or Not Improved) to Acid Suppressants in Participants Who Had a Medication History

    Heartburn symptoms were collected by participant diaries. Participants recorded the presence and severity (Without symptom [No symptom: 0, No hindrance to daily activities: 1], With symptom [Mild: 2, Moderate: 3, Severe: 4]) of heartburn in a daily participant diary. The score range was 0-4, with the higher scores reflecting the greater severity. The mean severity of heartburn was calculated in each subgroup of the response (improved or not improved) in the participants who had a medication history of any of acid suppressants. The acid suppressants include proton pump inhibitors [PPIs], histamine H2-receptor antagonists [H2RAs], or other agents [anticholinergics or anti-gastrin drugs].

    Measured: Up to Week 4

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted4 Nov 2016 (estimated)
  2. Study start15 Nov 2016
  3. Primary completion25 Feb 2018
  4. Study completion26 Feb 2018

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
484 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02954848
Sponsor's protocol ID
Vonoprazan-3001
Other IDs
U1111-1188-1784, JapicCTI-163413
Status last verified
Jun 2019
First submitted
1 Nov 2016
Last updated
2 Aug 2019
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: Takeda makes patient-level, de-identified data sets and associated documents available for all interventional studies after applicable marketing approvals and commercial availability have been received (or program is completely terminated), an opportunity for the primary publication of the research and final report development has been allowed, and other criteria have been met as set forth in Takeda's Data Sharing Policy (see www.TakedaClinicalTrials.com for details). To obtain access, researchers must submit a legitimate academic research proposal for adjudication by an independent review panel, who will review the scientific merit of the research and the requestor's qualifications and conflict of interest that can result in potential bias. Once approved, qualified researchers who sign a data sharing agreement are provided access to these data in a secure research environment.

Publications

  • Kinoshita Y, Sakurai Y, Takabayashi N, Kudou K, Araki T, Miyagi T, Iwakiri K, Ashida K. Efficacy and Safety of Vonoprazan in Patients With Nonerosive Gastroesophageal Reflux Disease: A Randomized, Placebo-Controlled, Phase 3 Study. Clin Transl Gastroenterol. 2019 Nov;10(11):e00101. doi: 10.14309/ctg.0000000000000101.

    PubMed 31770139

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing TAK-438 10 mg in people with Non-erosive Gastroesophageal Reflux Disease, run by Takeda at 30 sites in Japan.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 11 inclusion and 26 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 2 Aug 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 30 sites in Japan. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 2 Aug 2019). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Percentage of Days Without Symptoms of Heartburn (time frame: Up to Week 4). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02954848, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Aug 2019.

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