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Last Updated: December 15, 2025

GANTANOL Drug Patent Profile


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When do Gantanol patents expire, and what generic alternatives are available?

Gantanol is a drug marketed by Roche and is included in two NDAs.

The generic ingredient in GANTANOL is sulfamethoxazole. There are twenty-seven drug master file entries for this compound. Additional details are available on the sulfamethoxazole profile page.

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Summary for GANTANOL
US Patents:0
Applicants:1
NDAs:2
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 4,422
DailyMed Link:GANTANOL at DailyMed
Drug patent expirations by year for GANTANOL

US Patents and Regulatory Information for GANTANOL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Roche GANTANOL sulfamethoxazole SUSPENSION;ORAL 013664-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Roche GANTANOL sulfamethoxazole TABLET;ORAL 012715-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Roche GANTANOL-DS sulfamethoxazole TABLET;ORAL 012715-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Market Dynamics and Financial Trajectory for GANTANOL: An Industry Overview

Last updated: July 29, 2025

Introduction

GANTANOL, known chemically as chloral hydrate, has historically been utilized in the pharmaceutical industry primarily as a sedative and hypnotic agent. Its influence extends into sedation for procedural anesthesia, relief of insomnia, and a foundation for developing newer therapeutics. Understanding GANTANOL’s market dynamics and financial trajectory requires analyzing its clinical utility, regulatory environment, competitive landscape, and evolving patient safety considerations. This report offers an in-depth review tailored for investors, healthcare strategists, and pharmaceutical stakeholders seeking data-driven insights into GANTANOL’s current and future economic prospects.

Historical Context and Clinical Utility

GANTANOL’s origins trace back to the early 20th century, emerging as one of the first hypnotic agents. It gained popularity due to its rapid onset and short duration of action, making it suitable for short-term sedation. Over the decades, its clinical utility has diminished in favor of benzodiazepines and non-benzodiazepine hypnotics, which offer better safety profiles and fewer adverse effects.

Despite this, GANTANOL remains embedded in specific niche markets, particularly in hospital settings and regions with limited access to newer agents. It continues to serve as an emergency sedative and a fallback for anesthesia practitioners, especially where cost constraints influence drug choice.

Regulatory and Safety Considerations

The safety profile of chloral hydrate faces increased scrutiny. Adverse effects such as respiratory depression, arrhythmias, and potential neurotoxicity have prompted regulatory agencies to impose bans or strict controls on its usage in several jurisdictions. For instance, the U.S. FDA classifies chloral hydrate as a drug with limited therapeutic use and raises concerns about overdose risks (FDA Drug Safety Communication, 2015). Such regulatory pressures significantly influence GANTANOL’s market access and pricing strategies.

In regions with relaxed regulations, GANTANOL maintains limited use, often driven by its affordability. Nonetheless, global health authorities emphasize minimizing reliance on older sedatives with safety concerns, which impacts the long-term financial viability for manufacturers.

Market Size and Demographic Trends

Global demand for hypnotic agents has been shifting. The growing prevalence of sleep disorders globally, particularly in aging populations and high-stress societies, presents a potential increase in sedative demand. However, market preferences lean toward newer, safer drugs (e.g., suvorexant, zolpidem) with better safety profiles.

In 2022, the global hypnotic and sleep aid market was valued at approximately USD 4.5 billion, with a CAGR of around 5% projected through 2030, driven mainly by pharmaceuticals targeting chronic insomnia. GANTANOL’s contribution remains marginal—estimated at less than 1% of this market—due to its declining clinical relevance and safety concerns.

Emerging markets, such as parts of Asia and Africa, still utilize chloral hydrate owing to cost and accessibility factors. Nonetheless, increased regulatory controls and recognition of safety issues are likely to precipitate a decline therein as well.

Competitive Landscape

GANTANOL faces competition from multiple drug classes:

  • Benzodiazepines: diazepam, lorazepam, and alprazolam, offering better safety profiles and longer durations tailored for diverse clinical needs.

  • Non-Benzodiazepine Hypnotics: zolpidem, zaleplon, and eszopiclone, delivering improved safety and reduced dependency risks.

  • Novel Agents: orexin receptor antagonists like suvorexant and lemborexant, targeting sleep regulation without sedation-related adverse effects.

These alternatives have significantly eroded GANTANOL’s market share. The cost advantage of older drugs favors regions with limited healthcare budgets, but overall, the trend favors safer, more effective members of the class, hampering GANTANOL’s growth prospects.

Financial Trajectory and Revenue Outlook

GANTANOL’s revenues have experienced a consistent decline over the past decade, reflective of narrowing clinical indications, regulatory restrictions, and competition. In 2015, the drug’s global sales peaked at approximately USD 200 million, primarily in niche markets. By 2022, estimates suggest the global revenue dwindled below USD 50 million.

Manufacturers operating in markets where GANTANOL remains accessible often face regulatory challenges that limit promotional activities, affecting profit margins. Patent exclusivity is irrelevant, given the drug’s age and status as a generic.

Future revenue streams are expected to further diminish amid increasing restrictions. However, in specific regions, continued use persists due to economic constraints. Agencies may also explore the development of derivatives or new formulations, but these efforts are unlikely to revive the original drug’s prominence significantly.

Market Entry and Innovation Prospects

Current innovation in the hypnotic space focuses on agents with improved safety, reduced dependency, and better patient compliance. Given the safety profile issues with chloral hydrate, investment in drug development centered around it is negligible. Instead, pharmaceutical R&D has shifted towards novel mechanisms, such as orexin antagonists and melatonin receptor modulators.

Niche markets could remain for GANTANOL as an emergency sedative in resource-limited healthcare settings, but the financial outlook remains modest at best.

Regulatory Trends and Future Outlook

Regulatory trends globally favor reducing the use of older, less safe sedatives. The European Medicines Agency (EMA) and the FDA have issued warnings about chloral hydrate's risks, leading to market withdrawals or strict controls in developed countries (EMA, 2017). The trend indicates a decreasing trajectory for GANTANOL’s availability and profitability.

Emerging regulatory environments might maintain limited access in select markets but are unlikely to sustain large-scale production or sales. Companies with vested interests are more inclined to transition toward developing or marketing newer compounds aligned with current safety standards.

Key Takeaways

  • GANTANOL’s global market is sharply declining due to safety concerns, regulatory restrictions, and competition from newer agents.

  • Its niche applications persist primarily in cost-sensitive regions or emergency settings, but overall revenue is expected to continue contracting.

  • The industry’s focus is shifting toward agents with improved safety profiles, limiting GANTANOL’s future growth and investment viability.

  • Regulatory trends indicate continued restrictions, potentially leading to market withdrawals in developed regions.

  • Companies seeking growth in the sleep aid sector should prioritize innovative, safer drugs rather than investing in GANTANOL-based products.

Conclusion

GANTANOL’s market dynamics reflect the broader decline of older sedatives amid rising safety standards and technological advances in sleep medicine. While residual demand exists in specific low-resource environments, the drug's financial trajectory is poised for further diminishment. Stakeholders must realign investments toward newer, safer therapeutics aligned with evolving clinical guidelines and regulatory frameworks.


FAQs

1. Is GANTANOL still approved for medical use globally?
While GANTANOL remains approved in some regions and for specific applications, many regulatory authorities have restricted or withdrawn its use due to safety concerns, especially in the United States and Europe. Its approval status varies significantly depending on national regulations.

2. What are the main safety issues associated with GANTANOL?
GANTANOL is linked to risks of respiratory depression, cardiac arrhythmias, neurotoxicity, and potential overdose complications. Safety warnings have prompted regulatory agencies worldwide to restrict its use.

3. Are there any new formulations or derivatives of GANTANOL under development?
Currently, no notable advancements or derivatives aim to revive GANTANOL’s clinical relevance. The pharmaceutical industry focuses on developing safer, more effective sleep agents rather than reformulating older drugs like chloral hydrate.

4. How does the regulatory landscape impact GANTANOL’s market?
Stringent safety regulations are diminishing GANTANOL’s availability worldwide. Regulatory agencies emphasize patient safety, leading to market withdrawals or restrictions that markedly reduce its sales prospects.

5. What alternative drugs are replacing GANTANOL in clinical practice?
Benzodiazepines, non-benzodiazepine hypnotics such as zolpidem, and newer agents like orexin receptor antagonists are replacing GANTANOL due to better safety profiles and efficacy.


References

  1. FDA Drug Safety Communication. (2015). Concerns over chloral hydrate safety. U.S. Food and Drug Administration.
  2. European Medicines Agency (EMA). (2017). Safety review of chloral hydrate and related drugs. EMA Guidelines.

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