You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 26, 2026

Diethylcarbamazine citrate - Generic Drug Details


✉ Email this page to a colleague

« Back to Dashboard


What are the generic drug sources for diethylcarbamazine citrate and what is the scope of patent protection?

Diethylcarbamazine citrate is the generic ingredient in one branded drug marketed by Lederle and is included in one NDA. Additional information is available in the individual branded drug profile pages.

There are five drug master file entries for diethylcarbamazine citrate.

Summary for diethylcarbamazine citrate
Recent Clinical Trials for diethylcarbamazine citrate

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Regional Hospital of Agboville, Southern Cote d'IvoirePhase 3
Case Western Reserve UniversityPhase 3
Washington University School of MedicinePhase 3

See all diethylcarbamazine citrate clinical trials

Medical Subject Heading (MeSH) Categories for diethylcarbamazine citrate
Anatomical Therapeutic Chemical (ATC) Classes for diethylcarbamazine citrate

US Patents and Regulatory Information for diethylcarbamazine citrate

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Lederle HETRAZAN diethylcarbamazine citrate TABLET;ORAL 006459-001 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

Market Dynamics and Financial Trajectory for Diethylcarbamazine Citrate

Last updated: February 20, 2026

What is the Current Market Size and Growth Potential?

Diethylcarbamazine citrate (DEC) primarily treats lymphatic filariasis, a parasitic disease affecting over 120 million people globally. The global lymphatic filariasis treatment market was valued at approximately $340 million in 2021. It is projected to grow at a compound annual growth rate (CAGR) of 4.2% from 2022 to 2027[1].

The market is concentrated in regions with high filariasis prevalence: South Asia, Southeast Asia, Africa, and certain Pacific islands. The treatment's demand is driven by global health programs, particularly initiatives funded by WHO and Gavi, the Vaccine Alliance.

What Are the Key Market Drivers and Constraints?

Drivers:

  • Global eradication programs targeting lymphatic filariasis, especially in endemic countries.
  • Availability of WHO-approved mass drug administration (MDA) campaigns.
  • Entry of generic formulations lowering treatment costs, expanding access.
  • Increasing recognition of neglected tropical diseases (NTDs) as public health priorities.

Constraints:

  • Limited commercial profitability due to the disease’s prevalence primarily in low-income regions.
  • Competition from alternative treatments such as ivermectin and albendazole, which are widely used.
  • Regulatory hurdles for orphan and neglected disease drug approvals.
  • Manufacturing challenges related to maintaining bioavailability and stability of DEC.

What Are the Main Patent and Regulatory Developments?

DEC has been used since the 1950s, with no recent major patent filings. Most formulations operate under WHO prequalification, and patent protection, if any, has long expired, enabling generic manufacturing. The drug's status as a WHO essential medicine[2] facilitates international procurement through UN agencies.

There are no significant regulatory barriers specific to DEC itself; however, regulatory compliance in endemic countries can vary, affecting distribution. Clinical studies have focused on dosing regimens and efficacy in mass administration rather than new formulations.

What Are Competitive Trends and Nearby Markets?

The market overlaps with other NTD treatments:

  • Ivermectin: Gold standard for onchocerciasis, often used alongside DEC in MDA efforts.
  • Albendazole: Used broadly for soil-transmitted helminths and lymphatic filariasis.
  • Novel therapies in development target improved efficacy and reduced dosing frequency.

While DEC remains the mainstay for lymphatic filariasis, interest exists in developing vector vaccines and alternative therapies, though none have replaced DEC in widespread use.

What Is the Financial Outlook and Investment Landscape?

Given the nature of DEC:

  • Revenue generation relies heavily on global health funding and procurement programs.
  • Private sector investment is limited due to low profitability; most funding comes from governments, NGOs, and international agencies.
  • Market expansion depends on successful disease eradication programs, which may stabilize or contract based on public health strategies.

Cost Structure

Decades of generic manufacturing pressure keep production costs low, enabling procurement at approximately $0.05 to $0.10 per tablet[3].

Revenue Streams

  • Procurement contracts through WHO, UNICEF, and Gavi.
  • Donations and subsidized distribution in endemic regions.
  • Potential licensing agreements for new formulations or presentations.

How Do Supply Chain and Policy Trends Impact the Market?

Supply chain stability hinges on manufacturing capacity in countries like India and China. Interruptions due to pandemic-related disruptions and raw material shortages may impact availability.

Policy trends favoring NTD elimination, coupled with increased funding, may sustain demand over the next decade. However, shifting eradication targets or the emergence of alternative therapies could influence long-term market size.

Summary of Critical Data Points

Metric Data
Global market valuation (2021) $340 million
CAGR (2022-2027) 4.2%
Price per tablet $0.05 - $0.10
Key regions South Asia, Africa, Southeast Asia
Major players Government agencies, WHO, generic manufacturers
Patent status Expired; generic dominance
Regulatory status WHO prequalified, accepted by nations

Key Takeaways

  • The DEC market is driven by international health programs targeting lymphatic filariasis.
  • Growth prospects depend on the success of global eradication initiatives.
  • Most revenue stems from procurement and donation programs; private investment is limited.
  • The market faces constraints related to competition, low profitability, and manufacturing challenges.
  • Price sensitivity and reliance on public funds influence the commercial landscape.

FAQs

1. Is there potential for new formulations or delivery methods for DEC?
Limited research exists; most efforts focus on improving MDA logistics rather than formulation innovation.

2. How does global health funding influence DEC market stability?
Funding is crucial; fluctuations can significantly impact procurement volumes and market stability.

3. Are there promising competitors or substitutes?
Ivermectin and albendazole are widely used, with ongoing development of alternative therapies, but none have replaced DEC as the treatment of choice for lymphatic filariasis.

4. Can DEC's patent status change?
Patents on DEC have expired; future patent filings would be unlikely unless involving novel formulations or delivery systems.

5. How might emerging public health policies affect the DEC market?
Aggressive eradication goals could expand demand temporarily; changes in policy focus could reduce procurement or shift toward new therapies.


References

[1] Market Research Future. (2022). Lymphatic Filariasis Market Analysis.
[2] World Health Organization. (2021). WHO Model List of Essential Medicines.
[3] GlobalData. (2022). Pharmaceutical Pricing and Cost Structures.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.