Last Updated: June 18, 2026

CLIGAVYX Drug Patent Profile


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

Cligavyx is a drug marketed by Avyxa Holdings and is included in one NDA.

The generic ingredient in CLIGAVYX is fulvestrant. There are twelve drug master file entries for this compound. Twenty-two suppliers are listed for this compound. Additional details are available on the fulvestrant profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Cligavyx

A generic version of CLIGAVYX was approved as fulvestrant by AMNEAL on March 4th, 2019.

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Summary for CLIGAVYX
US Patents:0
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers: 1
DailyMed Link:CLIGAVYX at DailyMed

US Patents and Regulatory Information for CLIGAVYX

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Avyxa Holdings CLIGAVYX fulvestrant SOLUTION;INTRAMUSCULAR 210063-001 Aug 19, 2019 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

EU/EMA Drug Approvals for CLIGAVYX

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
Mylan Pharmaceuticals Limited Fulvestrant Mylan fulvestrant EMEA/H/C/004649Fulvestrant is indicated for the treatment of estrogen receptor positive, locally advanced or metastatic breast cancer in postmenopausal women:not previously treated with endocrine therapy, orwith disease relapse on or after adjuvant anti-estrogen therapy, or disease progression on antiestrogen therapy. Authorised yes no no 2018-01-08
AstraZeneca AB Faslodex fulvestrant EMEA/H/C/000540Faslodex is indicated, , , as monotherapy for the treatment of estrogen receptor positive, locally advanced or metastatic breast cancer in postmenopausal women:, , not previously treated with endocrine therapy, or, with disease relapse on or after adjuvant antiestrogen therapy, or disease progression on antiestrogen therapy., , , in combination with palbociclib for the treatment of hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative locally advanced or metastatic breast cancer in women who have received prior endocrine therapy., , , In pre- or perimenopausal women, the combination treatment with palbociclib should be combined with a luteinizing hormone releasing hormone (LHRH) agonist., Authorised no no no 2004-03-09
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

CLIGAVYX Market Dynamics and Financial Trajectory: Revenue Drivers, Pricing, Access, and Competitive Patent/IP Risk

Last updated: June 8, 2026

What is CLIGAVYX and how is it positioned in the market?

CLIGAVYX is marketed for oncology use, sold in branded form in the US. The product name is listed under the trade mark “CLIGAVYX” for an FDA-approved medicine; however, the specific active ingredient, strength, dosage form, approved indication(s), and manufacturer are not provided in the available source material in this session. Without those identifiers, the financial and market-dynamics analysis cannot be tied to the correct drug, label, pricing benchmark, or payer/coverage patterns tied to the specific regimen and indication.

How do CLIGAVYX sales typically ramp and what drives uptake?

Answer: Ramp mechanics for specialty oncology drugs depend on (1) trial-to-practice adoption, (2) line-of-therapy fit, (3) payer authorization behavior, and (4) clinician switching from comparators.

Key uptake drivers that usually govern branded oncology revenue trajectories:

  • Line of therapy placement: If CLIGAVYX is used earlier in treatment pathways, it gains faster volume and higher persistence, raising LT forecast reliability.
  • Prior-therapy dependency: Requiring post-failure use slows early uptake and limits addressable volume.
  • Clinical differentiation: Higher objective response rate or survival advantage increases formulary placement probability.
  • Safety and manageability: Adverse event profiles affect prior authorization scrutiny and physician adoption.
  • Site of care and administration model: Hospital infusion vs office-administered therapy changes gross-to-net via channel mix and contracting.

What are the pricing and reimbursement dynamics affecting CLIGAVYX net revenue?

Answer: Net sales for specialty oncology brands usually compress through rebates, discounts, and patient support programs.

Revenue mechanics that typically dominate net price for US oncology:

  • WAC-to-net waterfall: Manufacturer discounts to wholesalers, Medicaid rebates, commercial rebates, and 340B arrangements (if applicable) drive gross-to-net spread.
  • Payer coverage posture: Step therapy, prior authorization, and exclusion from specific tiers reduce realized pricing.
  • Contracting with IDNs: Large health systems negotiate value-based rebates for high-cost therapies.
  • Patient assistance and co-pay support: Influence net realized pricing and adherence, but can reduce payer leverage over time.

How does CLIGAVYX compare with competitors in the same therapeutic category?

Answer: In oncology, branded revenue trajectories are most sensitive to competitor share shifts after label expansions, new entrants, and changes in standard-of-care.

Without the active ingredient and indication(s), it is not possible to determine:

  • The correct competitor set (same MOA vs same clinical endpoint class).
  • Which alternative regimens are preferred under payer policies.
  • Whether CLIGAVYX faces direct biosimilar or small-molecule generic substitution risk.

When do CLIGAVYX revenues face patent cliff or exclusivity loss risk?

Answer: Patent and exclusivity timing determines how quickly generic or biosimilar pressure can start after the last protected date.

For market dynamics, the critical dates are:

  • Regulatory exclusivities: New chemical entity (NCE) and pediatric exclusivity can extend protection beyond patent expiration.
  • Patent estate structure: Composition-of-matter and method-of-use patents determine whether generics can launch.
  • Manufacturing/IP barriers: Process and polymorph/formulation claims can delay “carved-out” entry.

In this session, no patent or exclusivity schedule is provided for CLIGAVYX, so a reliable timeline cannot be constructed.

What Paragraph IV challenges or biosimilar threats could impact CLIGAVYX?

Answer: Generic threats affect revenue when challengers file ANDA/505(b)(2) certifications and trigger potential 30-month stays or section viii carve-outs.

The typical litigation and entry pathway:

  • ANDA filing with Paragraph IV certification triggers litigation with automatic statutory stay (absent exceptions).
  • Settlement terms can define “first commercial marketing” dates, launch design-arounds, or royalty structures.
  • Biosimilar pressure follows a separate regulatory and litigation workflow, but still depends on exclusivity and patent lists.

No Orange Book listings, ANDA/BLA challenge events, or litigation docket details are included in the provided material in this session.

What is the Orange Book status of CLIGAVYX and which patents are listed?

Answer: Orange Book status determines whether the market faces true generic/biosimilar launch risk now or in later years.

A proper Orange Book-based assessment requires:

  • Listed drug substance and drug product patents
  • Patent expiration dates
  • Or use-code coverage (e.g., indication-specific method-of-use patents)
  • Exclusivity claim types (NCE, BLA biologic exclusivity, pediatric)

No Orange Book patent table is available in the supplied content, so an accurate status map cannot be produced.

How strong is the patent estate for CLIGAVYX versus typical oncology brands?

Answer: Patent estate strength is measured by (1) number of active patents by expiration year, (2) claim breadth, (3) history of successful generic challenges against similar estates, and (4) whether entry can be designed around.

A standard estate scorecard includes:

  • Years of runway until earliest composition-of-matter expiration
  • Concentration of remaining patents in the 2 to 4 year pre-loss window
  • Hinge patents: method-of-use or formulation claims that block label-to-label substitution

No patent list or expiration schedule for CLIGAVYX is provided in this session.

What manufacturing and formulation IP risks can block generic or biosimilar entry?

Answer: If CLIGAVYX has formulation-specific claims, process constraints can delay entry even after primary composition patents expire.

Common blockers:

  • Controlled-release, particle size, polymorph/form, or stability-specific formulations
  • Manufacturing process patents affecting impurity profiles and release specs
  • Device/combination claims if the product is co-packaged with proprietary delivery hardware

No formulation/process IP data is available in the provided material in this session.

What does the financial trajectory look like for CLIGAVYX?

Answer: CLIGAVYX’s revenue trajectory cannot be quantified from the information provided in this session. A precise financial narrative requires:

  • Company-reported net sales by product (or segment disclosure)
  • Time-series market access milestones and payer expansions
  • Gross-to-net reconciliation drivers (rebates, discounts, patient support)
  • Guidance revisions tied to uptake, inventory, and channel behavior

In the absence of CLIGAVYX financial disclosures, time-series revenue tables cannot be produced.

What key market events typically change CLIGAVYX revenue over time?

Answer: For oncology brands, the revenue curve usually turns on label expansion, guideline adoption, and competitive disruptions.

Event categories that move sales:

  • FDA label expansion (new indication, new line of therapy)
  • Updated clinical guidelines (NCCN/ESMO adoption)
  • Pricing and access changes (payer formulary status, MAC actions)
  • Competitor launches or regimen shifts (MOA class competition)
  • Safety signal updates (dose modifications, REMS-like operational changes)

No label expansion, guideline, or payer events for CLIGAVYX are provided in the available content in this session.

What commercial risks exist for CLIGAVYX: access, competition, and policy?

Answer: Key commercial risks are access friction, payer pushback, and market-share dilution from newer regimens.

Risk categories:

  • Formulary access risk: delayed inclusion or restrictive prior authorizations
  • Utilization risk: clinicians shift to lower-cost alternatives with similar outcomes
  • Budget impact: large payer denials if total cost of care exceeds thresholds
  • Policy risk: negotiation leverage changes and rebate pressure over time

No payer or contracting dataset is included in the provided material, so risks cannot be mapped to observed outcomes.


Key Takeaways

  • A data-driven market and financial trajectory for CLIGAVYX requires identification of the active ingredient, indication, manufacturer, and FDA/Ora​nge Book/patent profile, none of which are included in the provided content in this session.
  • Patent and exclusivity timing is the central driver of mid-term revenue risk in specialty oncology, but no Orange Book or litigation facts for CLIGAVYX are provided here.
  • Without product-specific disclosures, revenue ramp, net-to-gross drivers, and competitor impact cannot be quantified responsibly.

FAQs

  1. How do net sales drivers (rebates and patient support) typically impact CLIGAVYX gross-to-net?
  2. What is the most common timeline from FDA approval to payer formulary coverage for oncology brands like CLIGAVYX?
  3. How does patent expiration timing usually correlate with branded oncology revenue declines?
  4. What role do Paragraph IV filings and settlements play in generic entry risk for specialty oncology drugs?
  5. How do label expansions and guideline updates typically affect long-run utilization for branded oncology therapies?

References

No cited sources are available from the provided material in this session.

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