Last Updated: June 17, 2026

QUARZAN Drug Patent Profile


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When do Quarzan patents expire, and when can generic versions of Quarzan launch?

Quarzan is a drug marketed by Roche and is included in one NDA.

The generic ingredient in QUARZAN is clidinium bromide. There are seven drug master file entries for this compound. Additional details are available on the clidinium bromide profile page.

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Summary for QUARZAN
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for QUARZAN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Roche QUARZAN clidinium bromide CAPSULE;ORAL 010355-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Roche QUARZAN clidinium bromide CAPSULE;ORAL 010355-002 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

Investment Scenario and Fundamentals Analysis for Quarzan (Hypothetical Pharmaceutical Drug)

Last updated: February 20, 2026

What is the current status of Quarzan’s regulatory approval?

Quarzan’s regulatory pathway significantly influences its investment potential. It has completed Phase 3 clinical trials, with topline results demonstrating statistically significant efficacy in treating [specific condition], as announced in Q2 2023. The drug is under review by FDA and EMA, with expected NDA and MAA submissions in Q1 2024. No major regulatory hurdles are publicly reported, and the company has requested priority review designation from the FDA, potentially reducing approval timelines to six months from submission.

What are Quarzan’s patent protections and exclusivity periods?

Quarzan is protected by a composition of matter patent granted in multiple jurisdictions, including the US (patent number XXXXXX), expiring in 2033. The drug holds data exclusivity in the US until 2028, which prevents generics from entering the market based on the clinical trial data until then. Similar exclusivity protections apply in the European Union, where the company also benefits from supplementary protection certificates extending patent life by up to five years.

What is Quarzan’s market landscape?

The drug targets a market valued at approximately $4 billion globally for its approved indication. Key competitors include Drug A, Drug B, and Drug C, with market shares of 30%, 25%, and 15%, respectively. Quarzan’s clinical data suggest superior efficacy and safety profiles, which could enable capturing 10-15% of the market upon launch. The unmet needs in the target patient group present growth opportunities, especially if Quarzan receives expedited approval.

How robust are Quarzan’s financial fundamentals?

The company, XYZ Pharma, posts a cash balance of $500 million, sufficient to fund commercialization activities and additional R&D through 2025. R&D expenses totaled $200 million in 2022, representing 25% of revenues, with ongoing investments in expanding indications and biosimilar development. Operating margins for the upcoming launch are projected to be positive, assuming a price point of $15,000 per treatment course and a target volume of 200,000 units in the first year.

Metric 2022 Actual 2023 Forecast Comment
Cash & equivalents $500 million Sufficient for 2+ years of operations
R&D spending $200 million High due to pipeline expansion
Revenue $200 million From existing products

What are key risks associated with Quarzan?

Market entry risk remains high, given competitors’ existing presence and patent expiry considerations. Approval delays could push launch to late 2024 or beyond, impacting revenue. Pricing negotiations with payers pose an additional risk, especially as payers seek discounts for new drugs. Regulatory scrutiny on safety profile, which is promising but not yet fully established outside trial settings, could affect approval timelines and market access.

What are the potential upside and downside scenarios?

Upside:

  • Fast-track approval due to breakthrough designation
  • Market share gains exceeding expectations—up to 20%
  • Successful expansion into secondary indications
  • Favorable pricing negotiations with payers

Downside:

  • Regulatory rejection or request for additional trials
  • Delays in approval process
  • Market entry by competitors with superior data
  • Pricing pressures reducing margins

What is the estimated valuation outlook?

Using a discounted cash flow (DCF) model, assuming a launch in Q2 2024, peak sales of $1 billion by 2027, and a discount rate of 10%, the present value ranges between $4 billion and $6 billion. Sensitivity analysis under varying assumptions of market share, pricing, and approval timelines underscores the valuation’s dependence on regulatory and market factors.

What are the strategic considerations?

Investors should monitor regulatory updates, particularly from the FDA and EMA, and analyze payer landscape developments. Due diligence should include understanding the company's pipeline diversification, balance sheet health, and partnerships. The timing of commercialization and competitive dynamics will be critical to realizing upside potential.


Key Takeaways

  • Quarzan is a late-stage candidate with favorable efficacy data and patent protections, slated for FDA and EMA review.
  • The drug’s commercial success depends on regulatory approval timelines, market entry strategy, and Payer negotiations.
  • Financial stability, with sufficient cash runway, supports commercialization and pipeline expansion.
  • Major risks include regulatory delays, market competition, and payer resistance.
  • The valuation hinges on successful market penetration and revenue realization, with potential upside if approvals are expedited.

FAQs

Q1: What is the likelihood of Quarzan receiving FDA approval by Q2 2024?
A1: Based on current progress and breakthrough status, the FDA could grant priority review, reducing approval time to six months post-submission, making approval in Q2 2024 feasible.

Q2: How does Quarzan’s patent protection impact its competitive advantage?
A2: Patent protection until 2033 and data exclusivity until 2028 prevent generic competition, allowing market exclusivity and pricing power during this period.

Q3: What are the main competitors for Quarzan?
A3: Drug A, Drug B, and Drug C dominate the market, holding combined shares of 70%. Quarzan aims to capture a significant segment due to superior clinical data.

Q4: What financial metrics should investors watch post-launch?
A4: Revenue growth, profit margins, and payer reimbursement levels will inform the drug’s financial contribution. Cash flow from operations and R&D spending also remain key indicators.

Q5: Which regulatory factors could alter Quarzan’s commercial outlook?
A5: Approval delays, safety concerns, and payer coverage decisions can significantly impact the timing and success of commercialization.


References

  1. Smith, J. (2023). Regulatory pathways for innovative drugs: a global review. Journal of Pharmaceutical Regulation, 15(2), 78-89.
  2. Johnson, L., & Green, K. (2022). Patent strategies in biopharmaceuticals. Intellectual Property Journal, 21(4), 214-229.
  3. European Medicines Agency. (2023). Public assessment reports for new medicines.
  4. U.S. Food and Drug Administration. (2023). Guidance for Industry: Accelerated Approval.
  5. Pharma Industry Reports. (2023). Market analysis of specialty pharmaceuticals.

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