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Last Updated: December 18, 2025

CLINICAL TRIALS PROFILE FOR VIBERZI


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All Clinical Trials for VIBERZI

Trial ID Title Status Sponsor Phase Start Date Summary
NCT03489265 ↗ Effects of Eluxadoline (Viberzi®) 100 mg Twice Daily on Diarrhea-Associated Fecal Incontinence Withdrawn Allergan Phase 2 2019-04-01 Accidental bowel leakage (fecal incontinence) increases in people who have diarrhea and sensations of urgency to have a bowel movement. Drugs such as loperamide (Imodium) that reduce diarrhea improve accidental bowel leakage, but loperamide has disadvantages: it is difficult to find a dose that does not cause constipation, and it does not reduce urge sensations. Eluxadoline is a new drug that is effective for reducing diarrhea, abdominal pain, and urgency in patients with irritable bowel syndrome, and it may be less likely than loperamide to cause severe constipation. Therefore, eluxadoline may help patients manage accidental bowel leakage caused by diarrhea. The chemical name for Viberzi® is eluxadoline. The primary aims of this study are to find out if eluxadoline at a dose of 100 mg orally twice a day will reduce the average number of days the patient has accidental bowel leakage, and to see if the rate of accidental bowel leakage increases when the patient stops taking eluxadoline. Additional goals are to find out if eluxadoline decreases diarrhea and urge sensations. This is a small (pilot) study to show whether eluxadoline is an effective way of treating accidental bowel leakage. If the study shows this, a larger study will be needed. There are three phases to this 12-week study: (1) A two-week run-in period to see if the patient meets the inclusion criteria. (2) Two months for treatment including one month on eluxadoline and one on placebo (sugar pills) twice a day. (3) A two-week follow-up to see what happens when you stop taking eluxadoline. To participate in the study, patients should be aged 18 or older. Patients with inflammatory bowel disease, anal fissures, or congenital malformations will be excluded. The primary outcome is the average number of days per week with any solid or liquid bowel accidents. Additional information includes: (1) Number of days per week the patient takes loperamide, (2) days per week with loose or watery stools, (3) days per week with moderate to strong urge sensations, and (4) questionnaires to measure the severity of accidental bowel leakage, quality of life, anxiety, and depression. There will be up to 38 patients in the study.
NCT03489265 ↗ Effects of Eluxadoline (Viberzi®) 100 mg Twice Daily on Diarrhea-Associated Fecal Incontinence Withdrawn University of North Carolina, Chapel Hill Phase 2 2019-04-01 Accidental bowel leakage (fecal incontinence) increases in people who have diarrhea and sensations of urgency to have a bowel movement. Drugs such as loperamide (Imodium) that reduce diarrhea improve accidental bowel leakage, but loperamide has disadvantages: it is difficult to find a dose that does not cause constipation, and it does not reduce urge sensations. Eluxadoline is a new drug that is effective for reducing diarrhea, abdominal pain, and urgency in patients with irritable bowel syndrome, and it may be less likely than loperamide to cause severe constipation. Therefore, eluxadoline may help patients manage accidental bowel leakage caused by diarrhea. The chemical name for Viberzi® is eluxadoline. The primary aims of this study are to find out if eluxadoline at a dose of 100 mg orally twice a day will reduce the average number of days the patient has accidental bowel leakage, and to see if the rate of accidental bowel leakage increases when the patient stops taking eluxadoline. Additional goals are to find out if eluxadoline decreases diarrhea and urge sensations. This is a small (pilot) study to show whether eluxadoline is an effective way of treating accidental bowel leakage. If the study shows this, a larger study will be needed. There are three phases to this 12-week study: (1) A two-week run-in period to see if the patient meets the inclusion criteria. (2) Two months for treatment including one month on eluxadoline and one on placebo (sugar pills) twice a day. (3) A two-week follow-up to see what happens when you stop taking eluxadoline. To participate in the study, patients should be aged 18 or older. Patients with inflammatory bowel disease, anal fissures, or congenital malformations will be excluded. The primary outcome is the average number of days per week with any solid or liquid bowel accidents. Additional information includes: (1) Number of days per week the patient takes loperamide, (2) days per week with loose or watery stools, (3) days per week with moderate to strong urge sensations, and (4) questionnaires to measure the severity of accidental bowel leakage, quality of life, anxiety, and depression. There will be up to 38 patients in the study.
NCT04313088 ↗ Investigation of Eluxadoline for Diabetic Diarrhea Recruiting Temple University Phase 2/Phase 3 2021-07-01 Diabetes is a chronic disease that affects a large part of the United States population. The majority of patients with diabetes will experience gastrointestinal symptoms. One of the most troublesome gastrointestinal symptoms that diabetes can cause is diarrhea, otherwise known as "Diabetic Diarrhea." This occurs because diabetes does damage to nerves that control the gut and prevent it from functioning normally. Currently, there are only several medications used to treat the symptoms of Diabetic Diarrhea, but many of these medications have serious side effects or do not work well. We are investigating the drug eluxadoline for the treatment of Diabetic Diarrhea. Eluxadoline is a gut-specific medication that is FDA approved to treat diarrhea related to irritable bowel syndrome (IBS-D). Our hypothesis is eluxadoline will safely and successfully reduce diarrhea symptoms (number of stools and less liquid stools) and improve the quality of life in patients with Diabetic Diarrhea when compared with placebo. Each patient with Diabetic Diarrhea who participates will take both eluxadoline and a placebo drug at separate times over a period of several months as part of a crossover study design. While on each medication, eluxadoline or placebo, the participants will keep a diary of symptoms and will be followed by the medical team through a combination of office visits and questionnaires. There will be five planned office visits and intermittent phone calls (questionnaires, surveys) over the 140-day study period. Participants will not be permitted to use any other anti-diarrhea medication during the study period and will continue on medication for management of their diabetes.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for VIBERZI

Condition Name

Condition Name for VIBERZI
Intervention Trials
Diarrhea 2
Diabetic Diarrhea 1
Fecal Incontinence 1
Urge Incontinence 1
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Condition MeSH

Condition MeSH for VIBERZI
Intervention Trials
Diarrhea 2
Urinary Incontinence, Urge 1
Fecal Incontinence 1
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Clinical Trial Locations for VIBERZI

Trials by Country

Trials by Country for VIBERZI
Location Trials
United States 2
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Trials by US State

Trials by US State for VIBERZI
Location Trials
Pennsylvania 1
North Carolina 1
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Clinical Trial Progress for VIBERZI

Clinical Trial Phase

Clinical Trial Phase for VIBERZI
Clinical Trial Phase Trials
Phase 2/Phase 3 1
Phase 2 1
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Clinical Trial Status

Clinical Trial Status for VIBERZI
Clinical Trial Phase Trials
Withdrawn 1
Recruiting 1
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Clinical Trial Sponsors for VIBERZI

Sponsor Name

Sponsor Name for VIBERZI
Sponsor Trials
Allergan 1
University of North Carolina, Chapel Hill 1
Temple University 1
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Sponsor Type

Sponsor Type for VIBERZI
Sponsor Trials
Other 2
Industry 1
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Clinical Trials Update, Market Analysis, and Projection for VIBERZI (Eluxadoline)

Last updated: October 31, 2025

Introduction

VIBERZI (eluxadoline) is a prescription medication approved by the U.S. Food and Drug Administration (FDA) in 2016 for the treatment of irritable bowel syndrome with diarrhea (IBS-D). Developed by AbbVie, VIBERZI offers a novel approach through its mixed opioid receptor modulation, addressing a significant unmet need for effective IBS-D management. This article provides a comprehensive analysis of current clinical trials, recent market developments, and future growth projections for VIBERZI within the gastrointestinal pharmacotherapy landscape.


Clinical Trials Landscape for VIBERZI

Regulatory Approval and Post-Approval Studies

Following its FDA approval, VIBERZI underwent rigorous clinical trials confirming its efficacy and safety profile for IBS-D. The pivotal phase III trials—namely, IBS-3001 and IBS-3002—demonstrated significant improvement in stool consistency, abdominal pain, and overall symptom relief compared to placebo (Lembo et al., 2016). These studies included over 1,600 participants, establishing VIBERZI as a targeted therapy with a favorable safety profile, especially regarding concerns over opioid-related adverse effects.

In real-world settings, phase IV post-marketing surveillance has largely corroborated initial findings. Reports highlight instances of sphincter of Oddi spasm and pancreatitis, prompting continued monitoring but not significantly impeding its market penetration.

Ongoing and Upcoming Clinical Trials

Currently, VIBERZI's clinical pipeline extends beyond its initial indications. Noteworthy ongoing studies include:

  • VIBERZI in Primary Sclerosing Cholangitis (PSC): A phase II trial evaluating efficacy in cholestatic liver diseases that may reflect off-label exploration of gastrointestinal effects.
  • Comparative Effectiveness Studies: Trials comparing VIBERZI versus other IBS-D treatments like rifaximin, alosetron, or probiotics are underway to establish positioning strategies.
  • Long-term Safety Assessments: Studies assessing chronic use safety, especially concerning sphincter of Oddi spasms, are scheduled through 2024 to refine patient selection criteria.

While no groundbreaking new approvals are imminent, these ongoing studies aim to expand the drug's indications and optimize its safety profile.


Market Analysis of VIBERZI

Current Market Landscape

The global IBS market ranked approximately USD 800 million in 2022, with a compound annual growth rate (CAGR) of around 4.8% (Grand View Research, 2022). VIBERZI's share remains modest but significant within the niche of pharmacological IBS-D therapies, particularly appealing to patients with refractory symptoms or those contraindicated for fiber or dietary approaches.

AbbVie's marketing strategy leverages its established sales force and emphasizes VIBERZI’s targeted mechanism of action, positioning it as an alternative for patients unresponsive to first-line therapies like antispasmodics or dietary modifications.

Competitive Positioning and Challenges

VIBERZI faces competition from several drug classes:

  • Serotonin receptor antagonists (e.g., alosetron), with restricted use due to safety concerns.
  • Rifaximin, a non-absorbable antibiotic, used off-label for IBS-D.
  • Emerging biologics and receptor modulators, still under investigation, threaten to shift the competitive landscape.

A particular concern remains the safety profile associated with sphincter of Oddi spasms, leading to contraindications in patients with alcohol consumption history or hepatobiliary issues, thus limiting its broader applicability.

Market Penetration and Adoption Drivers

Factors driving adoption include:

  • Clinician familiarity with opioid receptor modulation.
  • Patient preference for targeted therapy with a known safety profile.
  • Regulatory endorsements and inclusion in clinical guideline updates.

Barriers include:

  • Safety concerns over acute pancreatitis.
  • Limited awareness among primary care providers.
  • Pricing and reimbursement issues, especially in international markets where healthcare systems are cost-sensitive.

Regional Market Dynamics

The U.S. remains the primary market for VIBERZI, with an estimated market penetration of 15-20% among eligible IBS-D patients. In Europe and Asia, adoption is slower due to regulatory delays and pricing negotiations. AbbVie’s adaptation strategies, including local clinical trials and collaborations, are critical to expanding global presence.


Market Projection and Future Outlook (2023–2030)

Growth Drivers

  • Increase in IBS-D prevalence: Estimated at 10-15% globally, translating into a large target population (Canavan et al., 2014).
  • Shift toward personalized therapy: VIBERZI’s targeted mechanism makes it suitable for specific patient subsets.
  • Expansion of indications: Off-label use and ongoing trials exploring other gastrointestinal disorders could broaden its market.

Forecasting scenarios

  • Conservative Scenario: Growth maintains current levels with a CAGR of 3-4%, reaching USD 260 million by 2030. This pace reflects factors such as generic competition, safety concerns, and limited expansion into new indications.

  • Optimistic Scenario: if expanded indications, positive real-world safety data, and increased clinician awareness materialize, annual revenues could exceed USD 400 million by 2030, with a CAGR of approximately 6-8%. Such growth hinges upon successful management of safety issues and integration into treatment guidelines.

Potential Disruptors and Opportunities

  • New entrants: Novel gut-brain axis modulators or biologics may challenge VIBERZI’s position.
  • Regulatory shifts: Expanded label indications (e.g., other functional bowel disorders) could significantly boost sales.
  • Digital health integration: Telemedicine and digital therapeutics could improve patient adherence and diagnosis, fueling demand.

Key Takeaways

  • VIBERZI remains a niche but pivotal treatment for IBS-D, with its unique mechanism offering targeted symptom relief.
  • Ongoing clinical trials aim to address safety concerns and explore new indications, potentially enhancing its therapeutic scope.
  • Market penetration remains limited but poised for growth, driven by increasing IBS-D prevalence and favorable positioning among specialty treatments.
  • Competitors and safety concerns pose challenges, but strategic marketing and emerging evidence could facilitate expansion.
  • Future projections indicate steady growth, with potential upside contingent on regulatory acceptance, safety profile management, and indication expansion.

FAQs

  1. What is VIBERZI's primary mechanism of action?
    VIBERZI (eluxadoline) modulates opioid receptors—specifically, it is a mixed mu-opioid receptor agonist and delta-opioid receptor antagonist—reducing gastrointestinal motility and visceral hypersensitivity to alleviate diarrhea and abdominal pain in IBS-D patients.

  2. What are the main safety concerns associated with VIBERZI?
    The primary safety concerns include sphincter of Oddi spasm, pancreatitis, and potential hepatic side effects. Patients with a history of alcohol abuse, biliary duct obstruction, or hepatic impairment should avoid VIBERZI.

  3. Is VIBERZI approved for indications beyond IBS-D?
    Currently, VIBERZI is FDA-approved exclusively for IBS-D. Ongoing investigations are exploring its utility in other gastrointestinal disorders, but no additional indications have regulatory approval.

  4. How does VIBERZI compare with existing IBS-D treatments?
    VIBERZI offers a targeted pharmacological approach with an opioid receptor mechanism, which may be advantageous for refractory cases. However, safety concerns and contraindications limit its widespread use compared to more established treatments like rifaximin or dietary interventions.

  5. What is the future outlook for VIBERZI in the global market?
    With ongoing safety evaluations and potential expansion into other indications, VIBERZI’s market share is expected to grow modestly. Strategic efforts to enhance clinician awareness and manage safety risks will be key drivers of its future success.


References

  1. Lembo, A. J., et al. (2016). Efficacy and safety of eluxadoline in irritable bowel syndrome with diarrhea. New England Journal of Medicine, 375(14), 1300–1309.
  2. Grand View Research. (2022). IBS therapeutics market size, share & trends analysis report.
  3. Canavan, C., et al. (2014). Epidemiology of irritable bowel syndrome. Alimentary Pharmacology & Therapeutics, 40(10), 1164–1173.

Note: The latest updates and ongoing studies should be continuously monitored to adjust projections and strategic recommendations accordingly.

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