Last Updated: August 3, 2026

MUCOSIL-20 Drug Patent Profile


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Which patents cover Mucosil-20, and when can generic versions of Mucosil-20 launch?

Mucosil-20 is a drug marketed by DEY and is included in one NDA.

The generic ingredient in MUCOSIL-20 is acetylcysteine. There are three drug master file entries for this compound. Fifteen suppliers are listed for this compound. Additional details are available on the acetylcysteine profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Mucosil-20

A generic version of MUCOSIL-20 was approved as acetylcysteine by HOSPIRA on August 30th, 1994.

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Questions you can ask:
  • What is the 5 year forecast for MUCOSIL-20?
  • What are the global sales for MUCOSIL-20?
  • What is Average Wholesale Price for MUCOSIL-20?
Summary for MUCOSIL-20

US Patents and Regulatory Information for MUCOSIL-20

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Dey MUCOSIL-20 acetylcysteine SOLUTION;INHALATION, ORAL 070576-001 Oct 14, 1986 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: July 3, 2026

MUCOSIL-20 Market Dynamics and Financial Trajectory: Sales Trends, Pricing, Competitive Threat, and IP/Regulatory Exposure

MUCOSIL-20 market performance depends on whether the product is a branded, locally marketed mucolytic (and which active ingredient strength “20” corresponds to) and whether it is supported by enforceable exclusivity (Orange Book or equivalent), formulation IP, and distribution contracts. Without that identity mapping (active ingredient, NDA/ANDA/BLA or local registration, dosage form, and geography), a complete and accurate financial trajectory cannot be produced.

What is MUCOSIL-20’s active ingredient, strength, dosage form, and market geography?

Featured snippet answer: Market dynamics and financial trajectory for MUCOSIL-20 can only be modeled after confirming the active ingredient tied to “-20,” the dosage form (tablet/syrup/capsule), and the exact regulatory territory (US, EU member states, India, GCC, etc.).

Why “MUCOSIL-20” needs the exact product identity for financial modeling

“20” is typically used for strength or formulation naming across mucolytic and respiratory brands. The market impacts change materially based on:

  • Whether the product is prescription (Rx) or OTC
  • Whether it is tender-led (hospital procurement) or retail-led
  • Whether it faces biosimilar-style substitution rules (usually unlikely for small-molecule mucolytics) versus generic substitution

Data elements required to build the financial trajectory

  • Regulatory designation (NDA/ANDA or country-specific equivalent)
  • First launch year in each target country
  • Current pack sizes and strengths tied to “20”
  • Pricing tier (retail vs tender) and reimbursement status

How fast is MUCOSIL-20 growing, and what are the drivers of demand?

Featured snippet answer: Growth rate and demand drivers vary by whether MUCOSIL-20 is sold into chronic respiratory care, acute symptom relief, or hospital respiratory pathways.

Demand drivers that typically move mucolytic sales

  • Respiratory infection seasonality (winter peaks)
  • COPD and chronic bronchitis symptom management patterns (if indicated)
  • Antibiotic and respiratory care prescribing trends (proxy demand)
  • Retail promotions and tender awards

What usually explains regional divergence

  • Formulary inclusion and hospital procurement rules
  • Trade channel strength (wholesale coverage, retail penetration)
  • Local competitor intensity (branded generics vs low-cost generics)

What pricing and margin structure governs MUCOSIL-20’s revenue trajectory?

Featured snippet answer: Revenue and margin path depend on whether MUCOSIL-20 is price-protected by patent/exclusivity, shielded via brand premium, or exposed to generic price compression.

Pricing pressure scenarios that change financial outcomes

  • Generic entry-driven price compression: falls after first meaningful ANDA/authorized generic competition
  • Tender-led displacement: sharp unit price declines following procurement re-bids
  • Brand retention: slower declines if physicians continue to specify the brand and switching is costly or discouraged

Margin levers

  • Dosage form economics (syrup can be more logistics and shelf-life constrained)
  • API sourcing cost volatility
  • Channel structure (direct distribution vs distributor margins)

What competitive landscape does MUCOSIL-20 face, and how many interchangeable products exist?

Featured snippet answer: Competitive intensity is measured by the number of therapeutically equivalent mucolytic products in the same strength and dosage form, plus the share of prescribing that is brand-consolidated versus generic-substitutable.

How to quantify competition for a mucolytic brand

  • Count of same-active, same-strength products in the same market
  • Presence of authorized generics or label-compatible generics
  • Retail shelf position and hospital formulary status

What to track for competitive share erosion

  • CAGR vs competitor brands in the same seasonality window
  • Store-level velocity (if retail scan data exists)
  • Hospital conversion rates (formulary tender turnover)

What patents protect MUCOSIL-20, and how strong is the patent estate?

Featured snippet answer: Patent estate strength requires linking MUCOSIL-20 to a specific active ingredient, NDA/ANDA, and identified US or jurisdictional filings.

Patent categories that typically matter for a branded mucolytic

  • Composition of matter (active ingredient and salts, if applicable)
  • Formulation patents (controlled release, stabilization, taste masking)
  • Method-of-use patents (if any)
  • Manufacturing process patents

How patent strength translates into financial exposure

  • If composition and key formulation IP is enforceable, price holds longer
  • If only minor formulation improvements are patented, generic substitution can still occur after generic launch windows

When does MUCOSIL-20 lose exclusivity and face generic entry risks?

Featured snippet answer: The timing of exclusivity loss is a function of the regulatory jurisdiction and whether exclusivity is granted through patent protection, regulatory exclusivity (e.g., US 5/3 years), or market exclusivity rules.

Key timeline variables

  • Regulatory exclusivity end date (if US or EU applies)
  • Patent expiration for composition and formulation
  • Any patent settlements or stays that delay generic entry

How does MUCOSIL-20 compare with other mucolytics on efficacy, safety, and switching risk?

Featured snippet answer: Switching risk is driven more by perceived clinical differentiation and prescriber habit than by small differences unless a product has a clear dosing or formulation advantage.

What influences substitution in mucolytic therapy

  • Dosing frequency differences (once daily vs multiple daily dosing)
  • Controlled-release vs immediate-release claims
  • Tolerability signals and patient preference
  • Insurance or reimbursement rules that favor formularies

What FDA status, Orange Book listings, and regulatory events affect MUCOSIL-20’s trajectory?

Featured snippet answer: Orange Book and FDA status determine US generic entry timing and litigation risk. For non-US markets, the equivalent regulatory listing and local authorization status determine substitution.

US-specific checklist (only applicable if MUCOSIL-20 maps to an FDA-listed product)

  • Orange Book patent listings for the referenced NDA
  • Exclusivity claims and expiration
  • ANDA submissions and approval status

EU/UK and other geographies (only applicable if mapped to local authorization)

  • Marketing authorization holder
  • Patent linkage regimes (where applicable)
  • National tender eligibility constraints

What patent litigation and Paragraph IV challenges affect MUCOSIL-20’s financial profile?

Featured snippet answer: Patent litigation changes cash flow by either delaying generics or signaling earlier-than-expected price compression.

Litigation variables to model

  • Filed ANDAs and asserted patents
  • Court outcomes affecting launch dates
  • Settlement agreements and authorized generic terms

What settlement agreements and licensing deals exist for MUCOSIL-20?

Featured snippet answer: Any licensing or settlement that authorizes generic manufacturing under defined timelines influences both unit share and price erosion slope.

What to extract from deal terms

  • Authorized generic start dates
  • Royalties or per-unit payments
  • Territory scope
  • Launch-stay durations

What manufacturing and IP barriers protect MUCOSIL-20 from rapid erosion?

Featured snippet answer: Manufacturing and formulation IP can block or slow generic readiness even when legal exclusivity is weak.

Common barriers for mucolytic product families

  • Stabilization of APIs in liquid forms
  • Shelf-life limits and packaging requirements
  • Release profile control for modified-release dosage forms

Revenue exposure and scenario analysis: what happens under three generic entry speeds?

Featured snippet answer: MUCOSIL-20’s revenue trajectory is best framed as unit-volume decline plus price erosion post first generic entry.

Scenario framework (requires product identity and market data)

  • Slow erosion: brand retention, limited pharmacy substitution, tender locks, delayed generic approvals
  • Base erosion: substitution in retail and partial tender displacement after launch
  • Fast erosion: full tender switch and broad retail substitution immediately upon generic availability

Outputs typically modeled

  • Post-entry revenue CAGR
  • Gross margin compression due to price cuts and channel incentives
  • Forecasted market share decline window (0-6, 6-18, 18-36 months)

Key Takeaways

  • A complete, accurate market and financial trajectory for MUCOSIL-20 requires mapping the product name to its active ingredient, dosage form, and jurisdiction-specific regulatory identity.
  • Patent and exclusivity timing drive whether MUCOSIL-20 experiences price protection or generic-driven erosion.
  • Competitive dynamics for mucolytics are primarily determined by interchangeability, tender formularies, and dosing/formulation differentiation.
  • Litigation/settlement activity can shift generic launch timing and alter the slope of revenue decline.

FAQs

  1. How do I determine the correct regulatory listing for a brand like MUCOSIL-20 when multiple products share similar naming?
  2. What specific mucolytic formulation attributes most reduce generic switching risk?
  3. How do tender procurement rules in hospitals typically affect mucolytic brand share compared with retail?
  4. What patent categories most often survive generic challenges in formulation-rich respiratory product families?
  5. How should I model revenue impact when generic competition begins with only one dosage form strength?

References

  1. (No verifiable product-linked sources were provided in the prompt to cite.)

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