CClinicalTrials.gg
CompletedNCT02706483IBS-CUpdated Aug 18, 2020Results posted

Long Term Safety Study of Plecanatide

A Phase 3 interventional study of Plecanatide in Irritable Bowel Syndrome, sponsored by Bausch Health Americas, Inc.. Completed at 204 sites in United States. Open to participants aged 18 Years to 85 Years. Per ClinicalTrials.gov, last updated 2020-08-18.

Sponsored by Bausch Health Americas, Inc. · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
2,272
Allocation
Not applicable
Ages
18 Years to 85 Years
Sex
All
01

Study summary

Multi-center, open-label, long-term safety study

Read the detailed description

This is a phase 3, multicenter, open-label, long-term safety and tolerability study of 6 mg daily dose of plecanatide administered orally. Patients who are Study Completers or Eligible Screen Failures whose eligibility is confirmed at the end of their participation in the double-blind plecanatide studies SP304203-04 or SP304203-05 will be enrolled.

Beginning on Day 1, patients will take one (1) plecanatide 6.0 mg tablet in the clinic and thereafter every morning with approximately 240 mL (8 ounces) of liquid, with or without meals.

Safety and tolerability assessments and patients' self-assessment of disease severity will be performed according to the Schedule of Assessments.

Patients who discontinue early from the study will undergo an Early Withdrawal (EW) visit within 5 days after stopping study drug.

02

Conditions studied

  • Irritable Bowel Syndrome
03

In context

Irritable Bowel Syndrome

1,062 studies on the registry are indexed under Irritable Bowel Syndrome; 190 are open to participants now.

This study's enrollment of 2,272 is above the median of 71 across 853 interventional studies indexed under Irritable Bowel Syndrome.

Browse Irritable Bowel Syndrome studies →

Lead sponsor

Bausch Health Americas, Inc. is the lead sponsor of 209 studies on the registry; 9 are open to participants now.

Of its 23 completed or terminated interventional studies of FDA-regulated products, 16 (70%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 85 Years
Sexes eligible
All
Accepts healthy volunteers
No

Eligibility criteria

Inclusion Criteria:

Patients with documented diagnosis of IBS-C who:

  • Completed plecanatide study SP304203-04 or SP304203-05, were compliant with the previous study's requirements, and did not experience any Serious Adverse Event (SAE) deemed related to study drug during the course of the previous study, OR
  • Failed screening in study SP304203-04 or SP304203-05 due to diary noncompliance (an exclusion in the core study) or due to an administrative reason and is allowed to enter this study by notification from Sponsor or delegate.

Key Exclusion Criteria:

  • Patient is unwilling or unable to: participate in the study for the required duration, understand and sign the informed consent form (ICF) and undergo all protocol related tests and procedures throughout the study.
  • Female patient of childbearing potential with a positive urine pregnancy test on Day 1.
  • Male and female patients of childbearing potential who do not agree to continue to use the method of birth control used in the core double-blind plecanatide study for the duration of this clinical trial.
  • Patient has experienced a significant negative change in health status during the course of participation in the core double-blind plecanatide study or after completion of the study.
  • In the opinion of the Investigator or Medical Monitor, it is not in the patient's best interest to participate in the study. The reason(s) for the patient's exclusion must be specified.
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
2,272 participants (actual)

Study arms

  • Experimental
    Plecanatide

    Plecanatide 6.0 mg tablets

    Drug: Plecanatide

Interventions

  • DrugPlecanatide
06

What researchers measure

Primary outcomes

  1. Number of Participants With Treatment Related Adverse Events.

    Number of participants with adverse events with evidence to suggest a causal relationship between treatment and study drug.

    Time frame: up to 53 weeks

07

Results

Posted Aug 18, 2020

Participant flow

Eligible subjects with IBS-C from SP304203-04 (NCT02387359), SP304203-05 (NCT02493452), and SP304-20212 (NCT01722318), and subjects that did not previously participate in any plecanatide study, were enrolled.

Participant flow — Overall Study
MilestonePlecanatide
Started2272
Completed1842
Not completed430
Withdrew: Adverse event97
Withdrew: Death1
Withdrew: Lack of efficacy39
Withdrew: Lost to follow-up101
Withdrew: Non-compliance with study drug15
Withdrew: Physician decision6
Withdrew: Pregnancy6
Withdrew: Protocol violation18
Withdrew: Withdrawal by subject136
Withdrew: Non-compliance with visits6
Withdrew: Site closure4
Withdrew: Subject moved1

Outcome measures

PrimaryNumber of Participants With Treatment Related Adverse Events.

Number of participants with adverse events with evidence to suggest a causal relationship between treatment and study drug.

Time frame:
up to 53 weeks
Reported as:
Count of participants · Participants
Number of Participants With Treatment Related Adverse Events.
ParticipantsPlecanatide
Number of Participants With Treatment Related Adverse Events.205

Adverse events

Collected over Up to 53 weeks.. Non-serious events are listed at a 1% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Plecanatide1/2,272 (0%)45/2,272 (2%)341/2,272 (15%)
Most frequent serious events
Showing 10 of 33
Most frequent serious events
EventPlecanatide
Alanine Aminotransferase IncreasedInvestigations6/2272
Aspartate Aminotransferase IncreasedInvestigations5/2272
DiverticulitisInfections and infestations3/2272
Road Traffic AccidentInjury, poisoning and procedural complications2/2272
Chronic Obstructive Pulmonary DiseaseRespiratory, thoracic and mediastinal disorders2/2272
Non-Cardiac Chest PainGeneral disorders2/2272
Liver Function Test AbnormalInvestigations1/2272
Transaminases IncreasedInvestigations1/2272
Bacterial PyelonephritisInfections and infestations1/2272
CellulitisInfections and infestations1/2272
Most frequent other events
Most frequent other events
EventPlecanatide
DiarrhoeaGastrointestinal disorders153/2272
Upper Respiratory Tract InfectionInfections and infestations43/2272
Urinary Tract InfectionInfections and infestations34/2272
NasopharyngitisInfections and infestations34/2272
NauseaGastrointestinal disorders29/2272
HeadacheNervous system disorders25/2272
SinusitisInfections and infestations23/2272

Baseline characteristics

Age, Continuous
Age, Continuous(years)Plecanatide
Mean45.3 ± 14.18
Sex: Female, Male
Sex: Female, Male(Participants)Plecanatide
Female1744
Male528
Race (NIH/OMB)
Race (NIH/OMB)(Participants)Plecanatide
American Indian or Alaska Native4
Asian55
Native Hawaiian or Other Pacific Islander4
Black or African American504
White1692
More than one race13
Unknown or Not Reported0
Body Mass Index
Body Mass Index(kilograms per meters squared)Plecanatide
Mean28.4 ± 4.87
08

Study locations

204 sites
  • Synergy Research Site
    Athens, Alabama, United States
  • Synergy Research Site
    Birmingham, Alabama, United States
  • Synergy Research Site
    Dothan, Alabama, United States
  • Synergy Research Site
    Foley, Alabama, United States
  • Synergy Research Site
    Guntersville, Alabama, United States
  • Synergy Research Site
    Huntsville, Alabama, United States
  • Synergy Research Site
    Saraland, Alabama, United States
  • Synergy Research Site
    Chandler, Arizona, United States
  • Synergy Research Site
    Phoenix, Arizona, United States
  • Synergy Research Site
    Surprise, Arizona, United States
  • Synergy Research Site
    Tucson, Arizona, United States
  • Synergy Research Site
    Conway, Arkansas, United States
  • Synergy Research Site
    Glendale, Arkansas, United States
  • Synergy Research Site
    Little Rock, Arkansas, United States
  • Synergy Research Site
    Artesia, California, United States
  • Synergy Research Site
    Canoga Park, California, United States
  • Synergy Research Site
    Carmichael, California, United States
  • Synergy Research Site
    Chula Vista, California, United States
  • Synergy Research Site
    Corona, California, United States
  • Synergy Research Site
    Costa Mesa, California, United States
  • Synergy Research Site
    El Cajon, California, United States
  • Synergy Research Site
    Encino, California, United States
  • Synergy Research Site
    Foothill Ranch, California, United States
  • Synergy Research Site
    Fountain Valley, California, United States
  • Synergy Research Site
    Garden Grove, California, United States
  • Synergy Research Site
    Huntington Beach, California, United States
  • Synergy Research Site
    La Mesa, California, United States
  • Synergy Research Site
    La Mirada, California, United States
  • Synergy Research Site
    Laguna Hills, California, United States
  • Synergy Research Site
    Lancaster, California, United States
  • Synergy Research Site
    Lomita, California, United States
  • Synergy Research Site
    Long Beach, California, United States
  • Synergy Research Site
    Los Angeles, California, United States
  • Synergy Research Site
    North Hollywood, California, United States
  • Synergy Research Site
    Northridge, California, United States
  • Synergy Research Site
    Orange, California, United States
  • Synergy Research Site
    Placentia, California, United States
  • Synergy Research Site
    Riverside, California, United States
  • Synergy Research Site
    San Bernardino, California, United States
  • Synergy Research Site
    San Diego, California, United States
  • Synergy Research Site
    San Marino, California, United States
  • Synergy Research Site
    Sherman Oaks, California, United States
  • Synergy Research Site
    Thousand Oaks, California, United States
  • Synergy Research Site
    Colorado Springs, Colorado, United States
  • Synergy Research Site
    Denver, Colorado, United States
  • Synergy Research Site
    Lafayette, Colorado, United States
  • Synergy Research Site
    Bristol, Connecticut, United States
  • Synergy Research Site
    Hamden, Connecticut, United States
  • Synergy Research Site
    Atlantis, Florida, United States
  • Synergy Research Site
    Boca Raton, Florida, United States
  • Synergy Research Site
    Boynton Beach, Florida, United States
  • Synergy Research Site
    Bradenton, Florida, United States
  • Synergy Research Site
    Brandon, Florida, United States
  • Synergy Research Site
    Brooksville, Florida, United States
  • Synergy Research Site
    Clearwater, Florida, United States
  • Synergy Research Site
    Cutler Bay, Florida, United States
  • Synergy Research Site
    DeLand, Florida, United States
  • Synergy Research Site
    Fort Lauderdale, Florida, United States
  • Synergy Research Site
    Hialeah, Florida, United States
  • Synergy Research Site
    Homestead, Florida, United States
  • Synergy Research Site
    Inverness, Florida, United States
  • Synergy Research Site
    Jacksonville, Florida, United States
  • Synergy Research Site
    Lauderdale Lakes, Florida, United States
  • Synergy Research Site
    Miami Lakes, Florida, United States
  • Synergy Research Site
    Miami Springs, Florida, United States
  • Synergy Research Site
    Miami, Florida, United States
  • Synergy Research Site
    Naples, Florida, United States
  • Synergy Research Site
    North Miami Beach, Florida, United States
  • Synergy Research Site
    Orange Park, Florida, United States
  • Synergy Research Site
    Orlando, Florida, United States
  • Synergy Research Site
    Ormond Beach, Florida, United States
  • Synergy Research Site
    Oviedo, Florida, United States
  • Synergy Research Site
    Pembroke Pines, Florida, United States
  • Synergy Research Site
    Pinellas Park, Florida, United States
  • Synergy Research Site
    Port Orange, Florida, United States
  • Synergy Research Site
    Saint Petersburg, Florida, United States
  • Synergy Research Site
    Tamarac, Florida, United States
  • Synergy Research Site
    Tampa, Florida, United States
  • Synergy Research Site
    Atlanta, Georgia, United States
  • Synergy Research Site
    Marietta, Georgia, United States
  • Synergy Research Site
    Snellville, Georgia, United States
  • Synergy Research Site
    Blackfoot, Idaho, United States
  • Synergy Research Site
    Boise, Idaho, United States
  • Synergy Research Site
    Meridian, Idaho, United States
  • Synergy Research Site
    Blue Island, Illinois, United States
  • Synergy Research Site
    Chicago, Illinois, United States
  • Synergy Research Site
    Evanston, Illinois, United States
  • Synergy Research Site
    Evergreen Park, Illinois, United States
  • Synergy Research Site
    Hoffman Estates, Illinois, United States
  • Synergy Research Site
    Morton, Illinois, United States
  • Synergy Research Site
    Oak Lawn, Illinois, United States
  • Synergy Research Site
    Schaumburg, Illinois, United States
  • Synergy Research Site
    Brownsburg, Indiana, United States
  • Synergy Research Site
    Indianapolis, Indiana, United States
  • Synergy Research Site
    Topeka, Kansas, United States
  • Synergy Research Site
    Wichita, Kansas, United States
  • Synergy Research Site
    Madisonville, Kentucky, United States
  • Synergy Research Site
    Owensboro, Kentucky, United States
  • Synergy Research Site
    Baton Rouge, Louisiana, United States
  • Synergy Research Site
    Crowley, Louisiana, United States

Showing the first 100 of 204 sites.

09

References and documents

Publications

  • Barish CF, Crozier RA, Griffin PH. Long-term treatment with plecanatide was safe and tolerable in patients with irritable bowel syndrome with constipation. Curr Med Res Opin. 2019 Jan;35(1):81-85. doi: 10.1080/03007995.2018.1527303. Epub 2018 Oct 9. PubMed 30277094 ↗

Study documents

  • Protocol and statistical analysis plan · Jul 21, 2016

Documents are hosted by the registry — open the source record to download them.

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 18, 2020, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT02706483
Lead sponsor
Bausch Health Americas, Inc.
Responsible party
Sponsor
First posted
Mar 11, 2016
Start date
Jan 2016
Primary completion
May 2017
Completion
Jun 2017
Results posted
Aug 18, 2020
Last update
Aug 18, 2020

Study contacts

Angela Bulawski
study director · Bausch Health

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Aug 2020. You cannot join it, but the record below documents what was studied.

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