Trial of IW-3718 for 8 Weeks in Patients With Persistent Gastroesophageal Reflux Disease (GERD) Receiving Proton Pump Inhibitors

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. Identifier: NCT03561883
Recruitment Status : Not yet recruiting
First Posted : June 19, 2018
Last Update Posted : June 21, 2018
Information provided by (Responsible Party):
Ironwood Pharmaceuticals, Inc.

Brief Summary:
The objective of this study is to evaluate the safety and efficacy of IW-3718 administered to patients with GERD who continue to have persistent symptoms, such as heartburn and regurgitation, while receiving once-daily (QD), standarddose proton pump inhibitors (PPIs).

Condition or disease Intervention/treatment Phase
Gastroesophageal Reflux Disease (GERD) Drug: IW-3718 Drug: placebo Phase 3

Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 660 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: A Phase 3, Randomized, Double-blind, Placebo-controlled, Parallel-group, Multicenter Trial of Oral IW-3718 Administered to Patients With Gastroesophageal Reflux Disease While Receiving Proton Pump Inhibitors
Estimated Study Start Date : June 2018
Estimated Primary Completion Date : January 2020
Estimated Study Completion Date : January 2020

Resource links provided by the National Library of Medicine

MedlinePlus related topics: GERD

Arm Intervention/treatment
Experimental: 1500 mg IW-3718 BID
Three 500 mg IW-3718 tablets administered twice daily (BID), immediately after the morning and evening meals.
Drug: IW-3718
oral tablet

Placebo Comparator: Placebo
Three placebo tablets administered BID immediately after the morning and evening meals.
Drug: placebo
oral tablet

Primary Outcome Measures :
  1. Number of Overall Heartburn Responders [ Time Frame: Week 8 ]

Secondary Outcome Measures :
  1. Percent Change From Baseline to Week 8 in Weekly Heartburn Severity Score (WHSS) [ Time Frame: Baseline, Week 8 ]
  2. Percent Change From Baseline to Week 8 in Weekly Regurgitation Frequency Score (WRFS) [ Time Frame: Baseline, Week 8 ]
  3. Number of Overall Regurgitation Responders [ Time Frame: up to Week 8 ]
  4. Percent of Days When Heartburn Did Not Occur (Daily Heartburn Severity Score [DHSS]=0) or Was Very Mild (DHSS=1) During Week 8 [ Time Frame: Week 8 ]
  5. Percent of Days When Regurgitation Did Not Occur (Daily Regurgitation Frequency Scores [DRFS]=0) or Rarely Occurred (DRFS=1) During Week 8 [ Time Frame: Week 8 ]
  6. Percent of Heartburn-Free (DHSS=0) Days During Week 8 [ Time Frame: Week 8 ]
  7. Percent of Regurgitation-Free (DRFS=0) Days During Week 8 [ Time Frame: Week 8 ]
  8. Change From Baseline to Week 8 in Each Modified Reflux Symptom Questionnaire Electronic Diary (mRESQ) Item [ Time Frame: Baseline, Week 8 ]
  9. Percent of Nights With Difficulty Falling Asleep Due to GERD During Week 8 [ Time Frame: Week 8 ]
  10. Percent of Days With Nighttime Awakening Due to GERD During Week 8 [ Time Frame: Week 8 ]
  11. Number of Degree of Relief (of Heartburn/Regurgitation/Overall GERD Symptoms) Responders [ Time Frame: up to Week 8 ]
  12. Change From Baseline to Week 8 in Heartburn/Regurgitation/Overall GERD Symptoms Bothersomeness [ Time Frame: Baseline, Week 8 ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

Each patient must meet all of the following criteria to be eligible for enrollment in this study:

  • Patient is an ambulatory male or female (if female, nonpregnant) and is at least 18 years old at the Screening Visit.
  • Patient has a diagnosis of GERD and reports experiencing GERD symptoms (heartburn or regurgitation) while taking standard proton pump inhibitor (PPI) therapy.
  • Patient has evidence of pathological acid reflux.
  • Female patients must not be pregnant and must agree to avoid pregnancy for the duration of the study.
  • Patient must comply with study procedures.

Exclusion Criteria:

Patients who meet any of the following criteria will not be eligible to participate in the study:

  • Patient has a history of complete lack of GERD symptom response to PPI therapy.
  • Patient has a significant medical or surgical history including conditions that would impact drug absorption or metabolism (such as bowel obstruction, diabetes, gastroparesis, hiatal hernia).
  • Patient reports pain or burning behind the breastbone or in the center of the upper stomach as his or her predominant symptom at the Screening Visit.
  • Patient has received an investigational drug during the 30 days before the Screening Visit, or is planning to receive another investigational drug or use an investigational device at any time during the study.

NOTE: Other inclusion and exclusion criteria apply, per the study protocol.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT03561883

Contact: Lara Lane 617-768-2621
Contact: Sammie Kaligotla

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Sponsors and Collaborators
Ironwood Pharmaceuticals, Inc.
Study Chair: Jelena Seferovic, MD Ironwood Pharmaceuticals, Inc.

Responsible Party: Ironwood Pharmaceuticals, Inc. Identifier: NCT03561883     History of Changes
Other Study ID Numbers: C3718-302
First Posted: June 19, 2018    Key Record Dates
Last Update Posted: June 21, 2018
Last Verified: June 2018
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Undecided

Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No

Keywords provided by Ironwood Pharmaceuticals, Inc.:
Gastroesophageal Reflux Disease
Proton Pump Inhibitor

Additional relevant MeSH terms:
Gastroesophageal Reflux
Esophageal Motility Disorders
Deglutition Disorders
Esophageal Diseases
Gastrointestinal Diseases
Digestive System Diseases
Proton Pump Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action