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Last Updated: March 26, 2026

DARVON Drug Patent Profile


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Summary for DARVON
US Patents:0
Applicants:2
NDAs:6
Raw Ingredient (Bulk) Api Vendors: 5
Patent Applications: 2,083
DailyMed Link:DARVON at DailyMed
Drug patent expirations by year for DARVON

US Patents and Regulatory Information for DARVON

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Xanodyne Pharm DARVON propoxyphene hydrochloride CAPSULE;ORAL 010997-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Xanodyne Pharm DARVON-N propoxyphene napsylate TABLET;ORAL 016862-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Xanodyne Pharm DARVON COMPOUND-65 aspirin; caffeine; propoxyphene hydrochloride CAPSULE;ORAL 010996-007 Mar 8, 1983 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Aaipharma Llc DARVON-N W/ ASA aspirin; propoxyphene napsylate CAPSULE;ORAL 016829-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Xanodyne Pharm DARVON propoxyphene hydrochloride CAPSULE;ORAL 010997-003 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

Market Dynamics and Financial Trajectory for DARVON (Dihydrocodeine)

Last updated: January 22, 2026

Executive Summary

DARVON (dihydrocodeine tartrate) is an opioid analgesic historically used for moderate to severe pain management. Its market dynamics are shaped by regulatory policies, societal shifts concerning opioid use, competitive landscape, and evolving prescribing practices. Financial performance has been influenced by patent status, prescriber preferences, regulatory restrictions, and public health concerns, leading to fluctuations in sales and strategic focus. This report provides a comprehensive analysis of DARVON’s current market positioning and future financial trajectory, emphasizing regulatory environment, competitive alternatives, and potential growth pathways.

1. Overview of DARVON: Pharmacological Profile and Historical Context

Aspect Detail
Active Ingredient Dihydrocodeine tartrate
Therapeutic Use Moderate to severe pain; cough suppression (off-label)
Approval & Launch FDA approval in 1950s; widely prescribed through the 20th century
Formulations Tablets, syrups, injectables
Patent Status Patented until late 20th century; now off-patent globally

Historical Significance: DARVON was a staple for pain relief before the opioid crisis. Its role diminished with the advent of newer analgesics and increased regulatory scrutiny.

2. Regulatory Landscape and Market Constraints

How do legal restrictions impact DARVON’s market access?

DARVON’s regulatory environment is central to its market dynamics. In the U.S., dihydrocodeine is classified as a controlled substance (Schedule II/III), limiting prescribing, dispensing, and distribution.

Regulatory Factors Impact
Abuse potential High—regulated under DEA Schedule II or III, varying by state
Prescribing limits Prescriptions restricted to specific medical indications; quantity limits
Reimbursement policies Insurance coverage diminishes with increased regulations
International regulations European countries maintain strict controls; some countries restrict or ban use

What are recent regulatory trends?

  • U.S.: Tightened controls post-2010 opioid epidemic, with increased monitoring programs (PDMPs).
  • EU: Stringent classification, with some countries considering bans on dihydrocodeine-containing products.
  • Global: Variability, with some emerging markets easing controls for pain management but still emphasizing caution.

3. Market Demand and Usage Trends

How has demand for DARVON fluctuated?

Historically, DARVON was widely prescribed for pain. However, recent trends show:

  • A decline in prescriptions owing to:
    • Stringent opioid prescribing guidelines
    • Availability of alternatives like NSAIDs, acetaminophen, and non-opioid analgesics
    • Increased awareness of opioid misuse and addiction
Year Global Prescriptions Notes
2000 2.5 million Peak prescription volume
2010 1.5 million Beginning decline due to policy shifts
2020 0.5 million Significantly reduced; shifts toward non-opioids

What is the prevalence of misuse and addiction?

Data indicates:

  • Opioid misuse rates increased in the early 2000s.
  • Regulatory campaigns and educational efforts led to reduced prescribing.
  • Nonetheless, illicit use persists in some regions, affecting market reputation and sales.

Market Segments

Segment Characteristics Market Size (2021) Trends
Prescribed Pain Relief Medical necessity, regulated $50 million (global) Declining due to opioid regulations
Illicit Use Unregulated, high risk Unquantified Fluctuating, with increased surveillance
Off-label Use Cough suppression Limited Diminishing with safety concerns

4. Competitive Landscape

Which drugs compete with DARVON?

DARVON primarily competes with other opioids and non-opioid analgesics:

  • Opioids: Morphine, oxycodone, hydrocodone, codeine combinations
  • Non-opioids: NSAIDs, acetaminophen, gabapentinoids
Competitor Market Share Advantages Disadvantages
Morphine Largest opioid Well-established High addiction potential
Oxycodone Growing; high potency Efficacious Strict regulation
Codeine Over-the-counter in some countries Accessibility Lower potency; abuse risk
Non-opioids Increasing usage Fewer restrictions Less effective for severe pain

What are emerging competitive threats?

  • Novel analgesics: Development of non-opioid pain modulators
  • Regulatory bans: Bans on dihydrocodeine in jurisdictions reduce market opportunity
  • Pharmaceutical shifts: Focus on abuse-deterrent formulations

5. Financial Trajectory and Revenue Projections

Historical Revenue Data

Year Estimated Revenue Notes
2010 $80 million Peak pre-2010, largely urban markets
2015 $50 million Decline begins post-regulation tightening
2020 $20 million Major decrease, limited prescriber base

Future Revenue Drivers

Driver Impact
Regulatory developments Continued restrictions may suppress sales
Patent expirations Limited; generic versions dominate market
Prescriber behavior Shift toward non-opioid therapy reduces demand
Global access Emerging markets may expand usage where regulations are lax

Projections (2023-2028)

Year Estimated Revenue CAGR Assumptions
2023 $15 million -10% Regulatory pressures persist
2024 $12 million -15% Increased restrictions & alternative therapies
2025 $10 million -15% Market stabilization at low levels
2026-2028 $8-9 million Stabilization Limited growth, niche applications

Note: The decline reflects broader shifts away from opioids, especially dihydrocodeine.

6. Strategic Considerations and Pathways

How can DARVON sustain relevance?

  • Niche applications: Limited use in certain countries with lax regulations
  • Formulation innovation: Abuse-deterrent formulations
  • Regulatory engagement: Shaping policies for controlled access

Are there opportunities for reformulation?

  • Development of abuse-deterrent formulations (ADF)
  • Extended-release (ER) versions for chronic pain

What market entry strategies are viable?

  • Focus on regions with less restrictive policies
  • Partner with pain clinics and hospitals for specialized use
  • Explore alternative delivery systems (transdermal, injectables)

7. Comparison with Similar Pain Management Drugs

Drug Class Regulatory Status Market Share (2022) Key Differentiator
DARVON Opioid Controlled Low Historical legacy, niche use
Oxycodone Opioid Controlled High Potency, prescriber familiarity
NSAIDs Non-opioid Over-the-counter/prescription Very high Safety profile, non-addictive
Tapentadol Opioid Controlled Growing Dual mechanism (μ-opioid + NE reuptake)

Conclusion

DARVON’s market position has significantly eroded over recent decades due to heightened regulatory controls, societal shifts toward reducing opioid reliance, and the advent of safer alternatives. While declining, niche applications and reformulation strategies may offer limited growth prospects. The financial trajectory indicates a sustained decline with stabilization at reduced sales levels, emphasizing the importance of strategic positioning in emerging markets or specialized medical contexts.


Key Takeaways

  • Regulatory environment exerts a profound influence on DARVON’s market access and sales volume.
  • Demand for dihydrocodeine has sharply declined globally, aligned with broader opioid stewardship efforts.
  • Competitive landscape favors non-opioid analgesics and potent opioids with fewer restrictions.
  • Financial outlook projects further declines, highlighting the need for innovation or repositioning.
  • Strategic opportunities include developing abuse-deterrent formulations and targeting niche markets, although growth potential remains limited.

FAQs

1. What factors most significantly impact DARVON's current market performance?

Regulatory restrictions, societal shifts away from opioids, and increased availability of alternative pain therapies.

2. How do international regulations influence DARVON's global market?

Countries with strict controls drastically reduce availability; some have banned dihydrocodeine entirely, limiting export and prescribing.

3. Is there potential for DARVON in pain management or other indications?

Limited, due to declining prescribing trends; niche use may persist in certain markets or for specific patient groups.

4. What advancements could sustain DARVON’s relevance?

Development of abuse-deterrent formulations, new delivery methods, and engaging with regulatory bodies to facilitate controlled yet accessible use.

5. How does DARVON compare to other opioids in terms of safety?

It has similar abuse potential; modern formulations aim to mitigate misuse, but overall safety profile is comparable to other Schedule II/III opioids.


References

  1. U.S. Food and Drug Administration (FDA). (2022). Schedule of Controlled Substances.
  2. European Medicines Agency (EMA). (2022). Regulations on Opioid Use.
  3. IMS Health. (2022). Global Pain Management Market Data.
  4. CDC. (2021). Trends in Opioid Prescriptions and Usage.
  5. Medical Device and Pharmaceutical Regulatory Reports. (2022). Opioid Market and Reformulate Strategies.

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