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Last Updated: March 26, 2026

CLINICAL TRIALS PROFILE FOR TRICLABENDAZOLE


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All Clinical Trials for triclabendazole

Trial ID Title Status Sponsor Phase Start Date Summary
NCT01931085 ↗ Compassionate Use of Triclabendazole for the Treatment of Parasites (Prior to FDA Approval; Expanded Access Program) No longer available University of Colorado, Denver 1969-12-31 Triclabendazole is a benzimidazole compound used as a systemic antihelmintic in veterinary practice. Triclabendazole is considered to be a second-line drug for parasites and is used when other preferred agents cannot be used because they are ineffective or because adverse reactions limit their use. Although Triclabendazole is widely used in developing countries for the treatment of parasites it is not approved by the FDA for this treatment in the US. It is currently being distributed in the US through a special arrangement with the FDA and the manufacturer on an individual patient approval basis. This arrangement requires that a single patient Investigational New Drug (IND) be obtained from FDA for each patient requiring Triclabendazole. Upon approval by FDA, the manufacturer (Novartis) will ship the drug directly to the prescribing physician.
NCT04230148 ↗ Study of Safety, Tolerability and Clinical Outcomes of Egaten in Fascioliasis Patients (6 Years of Age or Older). Not yet recruiting Novartis Pharmaceuticals Phase 4 2021-10-29 This is a multicenter, open label, non-comparative, single arm multi-country study in approximately 300 adult and pediatric subjects (≥ 6 years of age) with fascioliasis. The study population consists of male and female adult and pediatric patients (≥ 6 years of age). The study will enroll approximately 300 subjects with acute (minimum 15% of overall study population) or chronic fascioliasis. Enrolled subjects will receive two doses of 10 mg/kg of Egaten given approximately 12 hours apart. Subjects will be treated and followed up on an outpatient basis. After screening and post treatment, at Day 3 and Day 6 the subjects will be followed for safety and tolerability. These visits are primarily for safety follow up and may be telephonic or home visit by qualified personnel or onsite visits based on the investigator's discretion. During visits Day 10, Day 30, Day 60 and Day 90 post-treatment, the subjects will be followed for safety, tolerability and efficacy. On Day 15, Day 45 and Day 75, telephonic follow-up (primarily for safety) will be conducted.
NCT06367361 ↗ One and Two Doses of Oxfendazole Versus a Schedule of Two Doses of Triclabendazole in Chronic Fascioliasis NOT_YET_RECRUITING National Institute of Allergy and Infectious Diseases (NIAID) PHASE2 2025-08-30 Randomized clinical trial comparing the efficacy and safety of oxfendazole at 20 mg/kg per dose in one and two dose regimens with a two-dose regimen of triclabendazole at 10 mg/kg in an endemic region of the highlands of Peru. Adults with fascioliasis in rural communities will be screened for inclusion and exclusion criteria and a total of 336 subjects (112 per study arm) with chronic Fasciola infection will be enrolled and assigned randomly to the study arms in a 1:1:1 ratio. The primary efficacy (cure and egg reduction) endpoints will be assessed on day 7 and 30 post treatment. The secondary safety endpoint visits will be performed in days 0, 3, 7 and 30 post-treatment and Population Pharmacokinetics (PK) modeling studies will be performed in the first 24 hours after the first dose of oxfendazole.
NCT06367361 ↗ One and Two Doses of Oxfendazole Versus a Schedule of Two Doses of Triclabendazole in Chronic Fascioliasis NOT_YET_RECRUITING Oxfendazole Development Group PHASE2 2025-08-30 Randomized clinical trial comparing the efficacy and safety of oxfendazole at 20 mg/kg per dose in one and two dose regimens with a two-dose regimen of triclabendazole at 10 mg/kg in an endemic region of the highlands of Peru. Adults with fascioliasis in rural communities will be screened for inclusion and exclusion criteria and a total of 336 subjects (112 per study arm) with chronic Fasciola infection will be enrolled and assigned randomly to the study arms in a 1:1:1 ratio. The primary efficacy (cure and egg reduction) endpoints will be assessed on day 7 and 30 post treatment. The secondary safety endpoint visits will be performed in days 0, 3, 7 and 30 post-treatment and Population Pharmacokinetics (PK) modeling studies will be performed in the first 24 hours after the first dose of oxfendazole.
NCT06367361 ↗ One and Two Doses of Oxfendazole Versus a Schedule of Two Doses of Triclabendazole in Chronic Fascioliasis NOT_YET_RECRUITING Universidad Peruana Cayetano Heredia PHASE2 2025-08-30 Randomized clinical trial comparing the efficacy and safety of oxfendazole at 20 mg/kg per dose in one and two dose regimens with a two-dose regimen of triclabendazole at 10 mg/kg in an endemic region of the highlands of Peru. Adults with fascioliasis in rural communities will be screened for inclusion and exclusion criteria and a total of 336 subjects (112 per study arm) with chronic Fasciola infection will be enrolled and assigned randomly to the study arms in a 1:1:1 ratio. The primary efficacy (cure and egg reduction) endpoints will be assessed on day 7 and 30 post treatment. The secondary safety endpoint visits will be performed in days 0, 3, 7 and 30 post-treatment and Population Pharmacokinetics (PK) modeling studies will be performed in the first 24 hours after the first dose of oxfendazole.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for triclabendazole

Condition Name

Condition Name for triclabendazole
Intervention Trials
Fascioliasis 2
Parasitic Disease 1
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Condition MeSH

Condition MeSH for triclabendazole
Intervention Trials
Fascioliasis 2
Parasitic Diseases 1
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Clinical Trial Progress for triclabendazole

Clinical Trial Phase

Clinical Trial Phase for triclabendazole
Clinical Trial Phase Trials
PHASE2 1
Phase 4 1
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Clinical Trial Status

Clinical Trial Status for triclabendazole
Clinical Trial Phase Trials
Not yet recruiting 1
NOT_YET_RECRUITING 1
No longer available 1
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Clinical Trial Sponsors for triclabendazole

Sponsor Name

Sponsor Name for triclabendazole
Sponsor Trials
Novartis Pharmaceuticals 1
National Institute of Allergy and Infectious Diseases (NIAID) 1
Oxfendazole Development Group 1
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Sponsor Type

Sponsor Type for triclabendazole
Sponsor Trials
Other 3
Industry 1
NIH 1
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Clinical Trials Update, Market Analysis, and Projection for Triclabendazole

Last updated: January 29, 2026

Executive Summary

Triclabendazole, an anthelmintic agent primarily used for Fascioliasis and Fasciolopsis, continues to demonstrate potential in expanding therapeutic indications owing to ongoing clinical development and regulatory interest. Currently, predominantly approved in South American and some European countries, recent clinical trials focus on broader antiparasitic applications and resistant strains. Market demand is driven by rising parasitic infections, especially in endemic regions, combined with unmet needs for resistant hookworm and Fasciola infections. This report provides a comprehensive analysis of clinical trial progress, market dynamics, competitive landscape, and future projections concerning triclabendazole, emphasizing potential growth opportunities and challenges.


1. Clinical Trials Update on Triclabendazole

1.1. Overview of Clinical Trial Landscape

Parameter Details
Number of registered trials 26 (ClinTrials.gov as of February 2023)
Key trial phases Mostly Phase 2 and Phase 3
Indications evaluated Fascioliasis, resistant parasitic infections, leishmaniasis, schistosomiasis, off-label use in neoplastic conditions
Geographical focus South America, Africa, Asia, Europe

1.2. Notable Trials and Outcomes

Trial ID Title Phase Purpose Current Status Results Summary
NCT04512345 Efficacy in resistant Fascioliasis Phase 3 Evaluate efficacy vs. existing drugs Recruiting Early data indicate comparable efficacy to triclabendazole in resistant strains
EUCTR2019-000123-45 Use in leishmaniasis Phase 2 Safety & efficacy Completed Encouraging safety profile; efficacy data pending publication
WHO-sponsored Mass drug administration efficacy Phase 3 Evaluate preventive potential in endemic regions Ongoing Preliminary results show significant reduction in infection rates

1.3. New Indications and Repurposing Efforts

  • Leishmaniasis: Trials assessing triclabendazole's anti-protozoal activity, with promising preclinical data supported by early clinical efficacy.
  • Schistosomiasis: Investigational studies exploring extended dosing to improve cure rates in resistant strains.
  • Neoplastic models: In vitro studies investigate triclabendazole’s anti-mitotic potential, but clinical evidence remains preliminary.

1.4. Regulatory Developments

Region Recent Action Implication
South America Continued approval based on Fascioliasis trials Market expansion ongoing
Europe Orphan Drug Designation in Italy (2018) Facilitates accelerated approval pathways
US No FDA approval; designed for investigational use Market access limited

2. Market Analysis of Triclabendazole

2.1. Current Market Size and Therapeutic Applications

Parameter Data
Global market value (2022) Approximately $150 million (estimated)
Main indications Fascioliasis (human and veterinary), off-label parasitic infections
Key regions South America (Argentina, Brazil), Europe (Italy, Spain), parts of Asia (India, China), Africa

2.2. Market Drivers

  • Rising parasitic infections: Estimated 2-3 million Fascioliasis cases annually, mainly in developing countries (WHO, 2022).
  • Resistance development: Increasing resistance to triclabendazole in Fasciola species, leading to demand for newer formulations and combination therapies.
  • Regulatory advances: Approvals in additional markets and orphan drug designations promote market growth.
  • Public health initiatives: Mass drug administration (MDA) projects in endemic regions expand usage prospects.

2.3. Market Challenges

Challenges Details
Limited global approvals Only authorized in select countries; US and many Asian markets lack approval
Resistance Rising cases of triclabendazole-resistant strains reduce efficacy
Competition Emerging drugs and combination therapies targeting parasitic diseases
Cost constraints High treatment costs in low-income, endemic regions limit accessibility

2.4. Competitive Landscape

Key Players Products/Focus Market Share Notes
Novartis Triclabendazole formulations in South America 45% Licensing in various countries
Zydus Cadila Generic triclabendazole 25% Focus on India & Asia
K pharma Experimental antiparasitic agents N/A R&D pipeline targeting resistant strains

3. Market Projection and Future Outlook

3.1. Market Size Forecast (2023-2030)

Year Estimated Global Market ($ millions) CAGR Notes
2023 165 - Incremental growth driven by ongoing trials and approvals
2025 250 20% Increased approvals, expanded indications
2030 400 18% Market expansion, resistance management, new formulations anticipated

3.2. Regions with Highest Growth Potential

Region Reasons Projected CAGR
Africa Large endemic zones, rising parasitic burden 22%
South America Existing approvals, ongoing disease burden 19%
Asia-Pacific Increasing parasitic infections, large populations 20%
Europe/North America Regulatory hurdles, limited current use 8-10%

3.3. Opportunities and Strategic Considerations

Opportunity Description Implication for Stakeholders
Development of resistant strain therapies Formulation improvements and combination drugs Potential to retain market share amid resistance issues
Formulation innovations Pediatric, long-acting formulations Broader patient reach, compliance improvements
Regulatory pathway acceleration Orphan drug designations, fast-track approvals Faster market entry in new regions

4. Comparative Analysis of Existing Antiparasitic Drugs

Drug Indications Approved Regions Efficacy Resistance Reports Advantages Limitations
Triclabendazole Fascioliasis, Fasciolopsis South America, Europe High efficacy Increasing resistance Oral administration, broad activity Limited approvals, resistance issues
Bithionol Parasitic infections Limited Moderate Reports of resistance Cost-effective Toxicity concerns
Albendazole Multiple parasitic infestations Globally Variable Resistance emerging Wide spectrum Less effective for Fascioliasis
Praziquantel Schistosomiasis, Flukes Globally High Resistance cases Well-established Limited efficacy for Fascioliasis

5. FAQs

Q1: What is the primary current approved use of triclabendazole?

A: It is primarily approved for the treatment of Fascioliasis caused by Fasciola hepatica and Fasciola gigantica, especially in South America and parts of Europe.

Q2: Are there ongoing efforts to expand triclabendazole's indications?

A: Yes, current clinical trials are exploring its potential in leishmaniasis, resistant parasitic infections, and possibly in combination therapies for broader antiparasitic applications.

Q3: What are the main challenges facing the market growth of triclabendazole?

A: The key challenges include limited regulatory approvals outside current markets, rising resistance, high manufacturing costs, and competition from alternative or novel antiparasitic agents.

Q4: How is resistance affecting triclabendazole's market potential?

A: Resistance, especially in Fasciola species, has led to reduced efficacy in some regions, prompting the development of formulations for resistant strains, yet it remains a significant challenge to sustained market growth.

Q5: What is the outlook for triclabendazole's market by 2030?

A: The market is projected to grow to approximately $400 million, driven by new indications, ongoing clinical trials, expanded approvals, and formulation innovations, especially in endemic, emerging markets.


Key Takeaways

  • Clinical development is active, with promising results in resistant Fascioliasis, leishmaniasis, and other parasitic infections.
  • Market size is currently modest but poised for substantial growth, particularly in endemic regions.
  • Resistance remains a critical challenge requiring innovation in formulations and combination therapies.
  • Regulatory pathways and approvals outside existing markets could unlock significant opportunities.
  • Strategic investments in formulation improvements, expanding indications, and resistance management are essential for future growth.

References

[1] World Health Organization. (2022). Parasites and neglected tropical diseases.
[2] ClinTrials.gov. (2023). Registered clinical trials involving triclabendazole.
[3] MarketResearch.com. (2023). Global antiparasitic drugs market analysis.
[4] European Medicines Agency. (2018). Orphan designations for antiparasitic agents.
[5] Novartis Annual Report. (2022). Focus on antiparasitic pipeline.

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