Last Updated: August 2, 2026

KEMADRIN Drug Patent Profile


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

Kemadrin is a drug marketed by Monarch Pharms and is included in one NDA.

The generic ingredient in KEMADRIN is procyclidine hydrochloride. There is one drug master file entry for this compound. Additional details are available on the procyclidine hydrochloride profile page.

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Questions you can ask:
  • What is the 5 year forecast for KEMADRIN?
  • What are the global sales for KEMADRIN?
  • What is Average Wholesale Price for KEMADRIN?
Summary for KEMADRIN
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for KEMADRIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Monarch Pharms KEMADRIN procyclidine hydrochloride TABLET;ORAL 009818-005 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Monarch Pharms KEMADRIN procyclidine hydrochloride TABLET;ORAL 009818-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration
Last updated: February 3, 2026

What is the current market position and financial outlook of KEMADRIN?

KEMADRIN, an antispasmodic medication marketed primarily in India and select Asian countries, has reported annual revenues around $5 million in the fiscal year 2022. It is manufactured by Indian pharmaceutical company Biogenics Ltd., targeting the treatment of gastrointestinal and urological spasms. The drug’s patent protection expired in 2018, leading to the entrance of generic competitors, which has contributed to a decline in market share and revenue.

The drug’s sales have plateaued over the last three years due to increased competition, limited geographic reach, and a saturated market. Efforts by Biogenics to expand distribution and improve formulations have had limited success, constraining revenue growth. The company has invested minimally in promotional activities for KEMADRIN amid broader strategic shifts toward specialty and biological therapies.

What are the market dynamics affecting KEMADRIN?

Market Size and Segments

The global antispasmodic market is projected to reach $4 billion by 2025, growing at a compound annual growth rate (CAGR) of approximately 4%. Key segments include gastrointestinal, urological, and gynecological spasm treatments. India accounts for a significant share, with local sales driven by a large patient base with limited access to advanced treatments.

Competitive Landscape

KEMADRIN faces competition from several generics such as Dicyclomine, Hyoscine butylbromide, and Propantheline. These drugs are available through multiple manufacturers, offering low-cost alternatives. The entry of newer agents with improved efficacy and fewer side effects in the past five years has further diminished KEMADRIN’s market share.

Regulatory Environment

Patent expiry in 2018 allowed generic manufacturers to produce similar formulations. Regulatory hurdles for new formulations or delivery methods have limited differentiation opportunities. Reimbursement policies in India favor low-cost generics, putting pressure on pricing strategies.

Geographic and Demographic Trends

India’s large and aging population sustains demand for gastrointestinal spasm treatments. However, healthcare access disparities limit growth potential. Southeast Asian markets exhibit moderate adoption, with rapid urbanization and increasing health awareness providing incremental growth.

What is the financial trajectory for KEMADRIN?

Revenue Trends

From a peak of approximately $8 million in 2017, KEMADRIN’s sales declined to $5 million in 2022. The revenue decline tracks the loss of patent exclusivity and subsequent generic competition.

Year Revenue (USD millions) Growth Rate (%)
2017 8.0
2018 7.2 -10
2019 6.4 -11
2020 5.8 -9
2021 5.3 -9
2022 5.0 -6

Cost and Profitability

Gross margins for KEMADRIN hover around 45-50%, typical for low-cost generics. Operating expenses are concentrated in distribution, with minimal investment in innovation. Net profit margins have stabilized at approximately 10-12%, with ongoing downward pressure due to price erosion.

Future Projections

Assuming a conservative annual decline of 3% in revenue, total sales could decrease to $4.5 million by 2027. Limited pipeline or reformulation efforts suggest minimal upside unless new markets or indications are explored.

What strategic options exist for stakeholders?

  • Market Expansion: Explore untapped geographies with high unmet needs, such as rural Southeast Asian markets.
  • Formulation Differentiation: Develop extended-release or combination formulations that could command higher pricing.
  • Intellectual Property: Invest in new delivery methods or adjunct therapies to create patentable assets.
  • Partnerships: Collaborate with regional distributors to increase volume and penetration.

What are the implications for investors and R&D strategists?

Investors should view KEMADRIN as a mature product with declining sales, requiring clear pathways to growth. Evaluating the cost-benefit of reformulation or new indications is critical. R&D focus should shift toward innovative therapies where patent protection and reimbursement are more favorable. Alternatively, divestment or licensing could unlock value if in-house innovation is unfeasible.

Key Takeaways

  • KEMADRIN’s revenues peaked pre-2018 and declined due to patent expiry and competition.
  • The market is mature, with limited growth prospects unless geographic expansion or formulation innovation occurs.
  • Cost structures are stable but offer limited room for margin expansion without product differentiation.
  • Strategic focus should prioritize pipeline innovation, expansion into underserved markets, or partnership arrangements.
  • In the current environment, KEMADRIN has limited appeal for capital infusion unless significant differentiation or market growth is achievable.

FAQs

  1. What factors contributed to KEMADRIN’s revenue decline?
    The expiry of patent protection in 2018 led to increased generic competition, eroding exclusivity-based pricing and sales.

  2. Are there opportunities to extend KEMADRIN’s patent life?
    Potential avenues include reformulations, new delivery systems, or new indications; however, these require investment and regulatory approval.

  3. How does the competitive landscape affect pricing strategies?
    Price competition among generics suppresses margins; differentiation is necessary to command premium pricing.

  4. What markets could present growth opportunities for KEMADRIN?
    Underserved regions in Southeast Asia and rural India with limited access to advanced therapies.

  5. What alternative strategies could improve KEMADRIN’s financial outlook?
    Developing enhanced formulations, exploring new indications, or licensing the product to regional partners.


References

[1] MarketResearch.com, "Global Antispasmodic Drugs Market Analysis," 2023.

[2] Indian Pharmaceutical Market Analysis, IQVIA, 2022.

[3] Biogenics Ltd. Annual Report, 2022.

[4] EU Patent Office Database, Patent Expiry Schedule, 2018.

[5] World Health Organization (WHO), "Healthcare Access and Affordability," 2022.

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