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Phase 2a Study of IW-9179 to Treat Functional Dyspepsia

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01712412
Enrollment
10
Registered
2012-10-23
Start date
2012-10-31
Completion date
2014-03-31
Last updated
2014-03-19

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

Conditions

Dyspepsia, Functional Gastrointestinal Disorders

Brief summary

The objectives of this study are to determine the safety and efficacy of IW-9179 administered to patients with functional dyspepsia (FD).

Interventions

DRUGPlacebo

Sponsors

Ironwood Pharmaceuticals, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

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

Inclusion criteria

* Patient meets ROME III criteria for functional dyspepsia (FD) * Patient has a normal esophagogastroduodenoscopy (EGD) either during the Screening Period or within 2 years of the Screening Visit * Patients who EITHER: 1. Have not used a proton pump inhibitor (PPI) within 4 weeks of the Screening Visit, OR 2. Have used a PPI at a stable dose for at least 4 weeks prior to the Screening Visit; * Patient meets symptom severity criteria in the Pretreatment Period * Patient is fluent and literate in Dutch, French, or English

Exclusion criteria

* Patient meets criteria for gastroesophageal reflux disease (GERD, stable regimen of PPIs acceptable), constipation, diarrhea, lower abdominal pain, or gastroparesis * Patient has a history of inflammatory bowel disease, chronic pancreatitis, small intestinal bacterial overgrowth, celiac disease, lactose intolerance, polycystic kidney disease, interstitial cystitis, or scleroderma * Any significant neurological disease or a history of cancer (resected basal cell or squamous cell carcinoma of the skin is acceptable; complete remission of other cancers for 5 years or longer is also acceptable) * History of active alcoholism or drug addiction within 12 months prior to the Screening Visit * Hospitalized for a psychiatric condition or has made a suicide attempt during the two years before the Screening Visit * Any organic or structural disease that can cause abdominal pain or discomfort

Design outcomes

Primary

MeasureTime frame
Change from baseline vital signs at the day 14 visit and at the end of the study (7 days after the last dose)Baseline values taken prior to first dose (day 1) compared with values taken at the day 14 visit (14 days after first dose) and at the end of the study (21 days after the first dose)
Rate of treatment-emergent adverse eventsReported at any time after the first dose, including the 14 days of treatment and 7 days of follow up
Change from baseline 12-lead electrocardiogram (ECG) at day 14 of treatmentBaseline values taken just prior to first dose (day 1) compared with values taken on the last day of treatment (day 14)
Change from baseline clinical laboratory evaluations at the last day of treatment (day 14)Baseline values taken just prior to first dose (day 1) compared with values taken on the last day of treatment (day 14)

Secondary

MeasureTime frameDescription
Post-meal Symptom Severity (PMSS) AssessmentCompleted at day 1 and day 14 of the Treatment PeriodAssessments completed at 15 min prior to dose, just prior to dose, and every 15 minutes after the first dose through 240 minutes (4 hours after first dose)
Daily Patient Symptom Severity (PSS) AssessmentAverage of daily assessments for the 2 weeks just prior to the first dose compared to: 1) the average of the 2 week treatment period, 2) the average of the first week of treatment and 3) the average of the second week of treatmentAssessments recorded on a daily basis
Weekly Symptom Relief (SR) AssessmentsAverage of week 1 and week 2 prior to treatment compared with the week 1 and week 2 during treatmentAssessments recorded on a weekly basis weekly
Nepean Dyspepsia IndexBaseline NDI score (collected just prior to first dose) compared with End of Treatment NDI (collected just prior to last dose)

Countries

Belgium, Netherlands

Outcome results

None listed

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