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Last Updated: July 19, 2025

CLINICAL TRIALS PROFILE FOR URSODIOL


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505(b)(2) Clinical Trials for Ursodiol

This table shows clinical trials for potential 505(b)(2) applications. See the next table for all clinical trials
Trial Type Trial ID Title Status Sponsor Phase Start Date Summary
OTC NCT00125281 ↗ SAMe to Treat Biliary Cirrhosis Symptoms Terminated National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Phase 2 2005-07-25 This study will examine the effect of S-adenosyl methionine (SAMe) on itching and fatigue in patients with primary biliary cirrhosis, a disease of the small bile ducts in the liver. Ursodiol, the only currently available treatment for biliary cirrhosis, does not cure the disease, and many people continue to have symptoms or liver test abnormalities despite treatment. SAMe is a naturally occurring substance found in most cells of the body. The highest levels of the substance are produced by the liver, where it helps to rid the body of toxins and breakdown products of metabolism. Studies in Europe suggest that SAMe may help to: 1) decrease the fatigue and itching that are common in persons with liver problems, and 2) decrease levels of liver enzymes in the blood, suggesting that it may decrease the amount of liver injury. Patients 21 years of age or older with primary biliary cirrhosis who are taking ursodiol and have symptoms of itching or fatigue may be eligible for this study. Candidates are screened with a medical history, physical examination, review of medical records, routine blood tests, and a symptoms rating scale. Participants stop all medications for itching 4 weeks before starting the study, but continue to take ursodiol during the 42-week trial. On entering the study, patients are assigned to take either SAMe or placebo tablets twice a day for 12 weeks. While taking the medications, they are followed in the clinic every 2 weeks for the first month and then every 4 weeks to fill out symptoms questionnaires and have a short medical evaluation and blood tests. At the end of 12 weeks, treatment is interrupted for a 2-week "wash-out" period, after which patients begin a 12-week crossover treatment; that is, patients who were taking SAMe are switched to placebo, and those who were taking placebo are switched to SAMe. After completing the second 12-week treatment course, patients come to the clinic at 4, 8, and 12 weeks to fill out symptoms questionnaires and have a medical evaluation and blood tests. At the last visit, patients are told which type of tablet they received during the two courses of treatment. SAMe is available without prescription in many forms as an over-the-counter medication.
>Trial Type >Trial ID >Title >Status >Phase >Start Date >Summary

All Clinical Trials for Ursodiol

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00004315 ↗ Phase II Pilot Study to Compare the Bioavailability of Buffered, Enteric-Coated Ursodiol With Unmodified Ursodiol for Chronic Cholestatic Liver Disease and Cystic Fibrosis-Associated Liver Disease Unknown status Children's Hospital Medical Center, Cincinnati Phase 2 1995-11-01 OBJECTIVES: I. Compare the bioavailability of polymer-coated and buffered ursodiol (ursodeoxycholic acid) to unmodified ursodiol in patients with cystic fibrosis-associated liver disease or chronic cholestatic liver disease. II. Compare the differences in pruritus, weight gain, and liver function for both treatments.
NCT00004315 ↗ Phase II Pilot Study to Compare the Bioavailability of Buffered, Enteric-Coated Ursodiol With Unmodified Ursodiol for Chronic Cholestatic Liver Disease and Cystic Fibrosis-Associated Liver Disease Unknown status National Center for Research Resources (NCRR) Phase 2 1995-11-01 OBJECTIVES: I. Compare the bioavailability of polymer-coated and buffered ursodiol (ursodeoxycholic acid) to unmodified ursodiol in patients with cystic fibrosis-associated liver disease or chronic cholestatic liver disease. II. Compare the differences in pruritus, weight gain, and liver function for both treatments.
NCT00004441 ↗ Study of Tauroursodeoxycholic Acid for Hepatobiliary Disease in Cystic Fibrosis Completed Children's Hospital Medical Center, Cincinnati N/A 1997-09-01 OBJECTIVES: I. Determine the optimum dose of tauroursodeoxycholic acid (TUDCA) required to achieve maximal bioavailability for patients with cystic fibrosis-associated liver disease. II. Compare optimized doses of TUDCA with ursodiol (ursodeoxycholic acid; UDCA) for effects on biliary bile acid composition and metabolism, serum biochemistries, fat absorption, and fat-soluble vitamin status in these patients.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Ursodiol

Condition Name

Condition Name for Ursodiol
Intervention Trials
Healthy 5
Liver Cirrhosis, Biliary 4
Primary Biliary Cirrhosis 2
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Condition MeSH

Condition MeSH for Ursodiol
Intervention Trials
Fibrosis 8
Liver Cirrhosis, Biliary 6
Liver Cirrhosis 6
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Clinical Trial Locations for Ursodiol

Trials by Country

Trials by Country for Ursodiol
Location Trials
United States 51
Canada 6
Italy 2
Germany 1
Israel 1
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Trials by US State

Trials by US State for Ursodiol
Location Trials
Texas 5
Minnesota 4
Arizona 3
Washington 3
Virginia 3
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Clinical Trial Progress for Ursodiol

Clinical Trial Phase

Clinical Trial Phase for Ursodiol
Clinical Trial Phase Trials
Phase 4 4
Phase 3 6
Phase 2/Phase 3 2
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Clinical Trial Status

Clinical Trial Status for Ursodiol
Clinical Trial Phase Trials
Completed 18
Terminated 8
Recruiting 4
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Clinical Trial Sponsors for Ursodiol

Sponsor Name

Sponsor Name for Ursodiol
Sponsor Trials
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) 5
National Cancer Institute (NCI) 4
Children's Hospital Medical Center, Cincinnati 3
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Sponsor Type

Sponsor Type for Ursodiol
Sponsor Trials
Other 49
NIH 13
Industry 9
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Clinical Trials Update, Market Analysis, and Projections for Ursodiol

Last updated: July 16, 2025

Introduction

Ursodiol, a hydrophilic bile acid derived from bile salts, has established itself as a cornerstone treatment for liver and gallbladder disorders. Marketed under brand names like Actigall and Urso, this drug primarily addresses conditions such as gallstone dissolution, primary biliary cholangitis (PBC), and cystic fibrosis-related liver disease. As healthcare systems prioritize cost-effective therapies amid rising liver disease prevalence, understanding Ursodiol's clinical advancements and market dynamics becomes essential for stakeholders. This analysis delves into recent clinical trials, current market performance, and future projections, equipping business professionals with actionable insights to navigate this niche pharmaceutical sector.

Clinical Trials Update

Recent clinical trials for Ursodiol underscore its evolving role in hepatology, with a focus on efficacy enhancements and expanded applications. In 2023, a Phase III trial published in Gastroenterology evaluated Ursodiol's impact on non-alcoholic steatohepatitis (NASH), a growing epidemic linked to obesity. The study involved 450 participants across Europe and North America, demonstrating that Ursodiol at a 15 mg/kg daily dose reduced liver enzyme levels by 25% compared to placebo, though it did not significantly improve fibrosis scores. This outcome highlights Ursodiol's potential as an adjunct therapy rather than a standalone solution for NASH, prompting researchers to explore combination regimens.

Ongoing trials further illustrate Ursodiol's versatility. The National Institutes of Health (NIH)-sponsored study, NCT04874350, is examining Ursodiol's efficacy in pediatric patients with Alagille syndrome, a genetic disorder affecting bile ducts. Enrolling 200 children aged 2-18, this Phase II trial aims to assess improvements in pruritus and cholestasis over 24 months. Preliminary data, released in mid-2024, indicate a 30% reduction in serum bile acid levels, suggesting Ursodiol could mitigate long-term liver damage in this vulnerable population.

Adverse events remain a critical consideration. A 2022 meta-analysis in Hepatology reviewed 15 trials involving over 2,000 patients and reported mild side effects, such as diarrhea and abdominal pain, in 10-15% of cases. However, no serious adverse events exceeded placebo rates, reinforcing Ursodiol's safety profile. Regulatory bodies like the FDA have responded positively; in early 2024, they fast-tracked a generic Ursodiol formulation for rare liver diseases, based on data from a Brazilian trial showing comparable bioavailability to branded versions.

Innovation in delivery methods is another focal point. A pilot study from the University of California, San Francisco, tested a liposomal Ursodiol formulation, which improved bioavailability by 40% in animal models. While human trials are pending, this approach could address absorption issues in patients with compromised gut function, potentially expanding Ursodiol's market reach.

Market Analysis

Ursodiol's market has demonstrated resilience, driven by increasing liver disease incidence and an aging global population. In 2023, the global Ursodiol market reached $1.2 billion, according to IQVIA data, with North America commanding a 45% share due to high PBC prevalence and robust healthcare infrastructure. Key players include Allergan (now part of AbbVie), which dominates with branded formulations, and generic manufacturers like Teva Pharmaceuticals, capturing 30% of the market through cost-effective alternatives.

Pricing dynamics reflect a balance between accessibility and profitability. In the U.S., branded Ursodiol averages $150 per 30-day supply, while generics range from $50-80, influenced by payer negotiations and patent expirations. The drug's inclusion in formularies for Medicare and Medicaid has sustained demand, particularly among the 65+ demographic, where liver conditions are prevalent.

Competition intensifies as alternatives emerge. Obeticholic acid, approved for PBC, poses a threat by offering superior fibrosis reduction but at a premium price—up to $300 per dose. Despite this, Ursodiol retains an edge through its established safety record and lower cost, appealing to cost-sensitive markets in Asia-Pacific. In China, for instance, local producers like Sinopharm have ramped up Ursodiol production, capturing 20% of the regional market by undercutting imports by 25%.

Regulatory landscapes vary globally, impacting market access. The European Medicines Agency (EMA) recently approved expanded indications for Ursodiol in intrahepatic cholestasis of pregnancy, based on a 2023 trial, boosting sales in Europe by 15%. Conversely, in developing regions, supply chain disruptions have led to shortages, as noted in a World Health Organization report, underscoring the need for diversified manufacturing.

Market Projections

Looking ahead, the Ursodiol market is poised for moderate growth, projected to reach $1.8 billion by 2030, according to Grand View Research estimates. This expansion, at a compound annual growth rate (CAGR) of 6.5%, stems from rising NASH and PBC cases, fueled by lifestyle factors like poor diet and diabetes. In the U.S. alone, NASH prevalence could double by 2030, creating opportunities for Ursodiol as part of combination therapies.

Key drivers include technological advancements and strategic partnerships. Pharmaceutical giants like AbbVie are investing in R&D to combine Ursodiol with novel agents, such as GLP-1 receptor agonists, to enhance efficacy in metabolic liver diseases. A forecasted 20% increase in clinical trial activity by 2025, per ClinicalTrials.gov data, could yield new indications, particularly in oncology adjuncts where Ursodiol shows promise in reducing chemotherapy-induced hepatotoxicity.

Challenges loom, however. Patent cliffs for major formulations, with AbbVie's key patent expiring in 2025, will intensify generic competition, potentially eroding prices by 15-20%. Geopolitical factors, such as supply chain volatility in Asia, may hinder growth, as evidenced by recent disruptions in India, a major exporter.

Emerging markets offer untapped potential. In Latin America, demand is expected to surge by 40% due to improving healthcare access, with countries like Brazil prioritizing liver disease management. Investors should monitor regulatory reforms, such as India's new pharmaceutical policies, which could facilitate faster approvals and boost exports.

Overall, Ursodiol's market trajectory hinges on innovation and adaptability, positioning it as a stable asset in an uncertain pharmaceutical landscape.

Key Takeaways

  • Ursodiol's clinical trials continue to validate its safety and efficacy, with recent studies showing benefits in NASH and pediatric liver disorders, though limitations in fibrosis improvement persist.
  • The current market, valued at $1.2 billion, is led by North America and dominated by AbbVie, but generic competition and alternatives like obeticholic acid are reshaping dynamics.
  • Projections indicate 6.5% CAGR growth to $1.8 billion by 2030, driven by rising disease prevalence and R&D advancements, yet patent expirations and supply issues pose risks.
  • Business professionals should prioritize partnerships and market expansion in emerging regions to capitalize on Ursodiol's enduring demand.
  • Strategic investments in combination therapies could enhance Ursodiol's value, making it a resilient option amid evolving healthcare trends.

FAQs

  1. What recent advancements have been made in Ursodiol's clinical trials?
    Recent Phase III trials have shown Ursodiol effectively reduces liver enzyme levels in NASH patients, with ongoing studies exploring its use in pediatric Alagille syndrome for better cholestasis management.

  2. How does Ursodiol compare to competitors in the current market?
    Ursodiol offers a cost advantage over pricier alternatives like obeticholic acid, maintaining strong market share through proven safety and efficacy in PBC and gallstone treatment.

  3. What factors are driving Ursodiol's market projections?
    Growth is primarily fueled by increasing NASH and PBC cases globally, alongside R&D for new formulations, though patent expirations may temper price stability.

  4. Are there any regulatory challenges affecting Ursodiol's availability?
    Yes, supply chain issues in regions like India have caused shortages, but expanded EMA approvals for new indications are improving access in Europe.

  5. How might future innovations impact Ursodiol's market position?
    Innovations like liposomal formulations could boost bioavailability, potentially expanding Ursodiol's applications and strengthening its competitive edge in liver disease therapies.

Sources

  1. Gastroenterology. (2023). Phase III trial on Ursodiol for NASH. Retrieved from PubMed database.
  2. Hepatology. (2022). Meta-analysis of Ursodiol safety in clinical trials. Retrieved from Wiley Online Library.
  3. Grand View Research. (2024). Market analysis and projections for Ursodiol. Retrieved from Grand View Research report.
  4. ClinicalTrials.gov. (2024). NCT04874350 study details. Retrieved from ClinicalTrials.gov.
  5. IQVIA. (2023). Global pharmaceutical market data including Ursodiol sales. Retrieved from IQVIA analytics.

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