Last Updated: August 8, 2026

CALDEROL Drug Patent Profile


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When do Calderol patents expire, and what generic alternatives are available?

Calderol is a drug marketed by Organon Usa Inc and is included in one NDA.

The generic ingredient in CALDEROL is calcifediol. There are two drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the calcifediol profile page.

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Questions you can ask:
  • What is the 5 year forecast for CALDEROL?
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  • What is Average Wholesale Price for CALDEROL?
Summary for CALDEROL
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 3,583
DailyMed Link:CALDEROL at DailyMed

US Patents and Regulatory Information for CALDEROL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Organon Usa Inc CALDEROL calcifediol CAPSULE;ORAL 018312-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Organon Usa Inc CALDEROL calcifediol CAPSULE;ORAL 018312-002 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

Expired US Patents for CALDEROL

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Organon Usa Inc CALDEROL calcifediol CAPSULE;ORAL 018312-001 Approved Prior to Jan 1, 1982 ⤷  Start Trial ⤷  Start Trial
Organon Usa Inc CALDEROL calcifediol CAPSULE;ORAL 018312-002 Approved Prior to Jan 1, 1982 ⤷  Start Trial ⤷  Start Trial
Organon Usa Inc CALDEROL calcifediol CAPSULE;ORAL 018312-002 Approved Prior to Jan 1, 1982 ⤷  Start Trial ⤷  Start Trial
Organon Usa Inc CALDEROL calcifediol CAPSULE;ORAL 018312-001 Approved Prior to Jan 1, 1982 ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

Supplementary Protection Certificates for CALDEROL

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2481400 301085 Netherlands ⤷  Start Trial PRODUCT NAME: CALCIFEDIOL IN IEDERE VORM ZOALS BESCHERMD DOOR HET BASISOCTROOI; NATIONAL REGISTRATION NO/DATE: 124799 20200922; FIRST REGISTRATION: DE 2202115.00.00 20200819
2968172 122021000009 Germany ⤷  Start Trial PRODUCT NAME: CALCIFEDIOL UND/ODER PHARMAZEUTISCH AKZEPTABLE SALZE UND HYDRATE DAVON, BEVORZUGT CALCIFEDIOLMONOHYDRAT; REGISTRATION NO/DATE: 2202115.00.00 20200818
2968172 301095 Netherlands ⤷  Start Trial PRODUCT NAME: CALCIFEDIOL IN IEDERE VORM ZOALS BESCHERMD DOOR HET BASISOCTROOI; NATIONAL REGISTRATION NO/DATE: 124799 20200922; FIRST REGISTRATION: DE 2202115.00.00 20200819
2968172 CA 2021 00005 Denmark ⤷  Start Trial PRODUCT NAME: CALCIFEDIOL; NAT. REG. NO/DATE: 62564 20200910; FIRST REG. NO/DATE: DE 2202115.00.00 20200818
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

CALDEROL market dynamics and financial trajectory: sales outlook, pricing forces, exclusivity timeline, and generic/biosimilar risk

Last updated: July 12, 2026

CALDEROL’s commercial trajectory is constrained by two variables: (1) the timing and scope of IP and regulatory exclusivity in the relevant FDA/Orange Book listings and (2) market-level pricing and reimbursement pressure that typically accelerates once first generic entry or authorized alternatives arrive. Without verified, drug-specific FDA, Orange Book, patent, and historical sales data for “CALDEROL” (including whether this is a brand, an API-equivalent name, or a mis-specified spelling versus another marketed product), an accurate market and financial model cannot be produced.

CALDEROL market dynamics: who buys it, how it’s reimbursed, and what drives net price changes?

What are the key commercial demand drivers for CALDEROL?
CALDEROL’s demand dynamics depend on the therapeutic class and route of administration (oral vs injectable vs topical), the labeled patient population, and whether prescriptions are influenced by payer clinical pathways. In most regulated prescription markets, net sales movement is driven by:

  • Utilization: new patient starts, persistence/step therapy, and switching behavior versus competing therapies
  • Price: list price changes, payer rebates, and gross-to-net compression
  • Mix: dose strength distribution and channel mix (wholesale vs specialty/340B, if applicable)

What drives gross-to-net compression for brands like CALDEROL?
Gross-to-net compression typically accelerates when:

  • A payer implements step therapy or preferred formulary status is challenged
  • Competitors add lower-cost alternatives (authorized generics, branded competitors, or generics)
  • Larger rebate agreements are needed to maintain formulary placement

What matters for channel and contracting strategy?
For many legacy or specialty-adjacent brands, sales resilience depends on:

  • Local formulary access versus national coverage
  • PBM and wholesaler contracting terms
  • Specialty pharmacy utilization if administration is non-traditional

CALDEROL financial trajectory: how should investors model revenue over the next 3–7 years?

Featured-snippet answer
CALDEROL’s revenue path is best modeled as a step function around exclusivity and first generic/authorized alternative entry, with a second step at subsequent challengers or label expansion.

Revenue model structure for CALDEROL
A defensible forward model uses three blocks:

  1. Baseline volume growth (or decline) from patient starts and persistence
  2. Price and rebate trajectory (net price trend)
  3. Competitive shocks tied to patent expiry, Paragraph IV filings, and launch timing

How competitive entry changes the financial shape
In the generic entry phase, net sales typically follow:

  • A sharp decline around launch due to switching and formulary updates
  • A partial recovery or stabilization if the brand retains share via contracting or differentiated administration
  • Further erosion if multiple products launch or if payers narrow coverage

What levers can slow decline after generic entry?
Brands can sometimes delay erosion if:

  • The brand retains a clinical differentiation that payers accept
  • The generic is delayed by additional patent barriers or complex formulation barriers
  • The brand adds new strengths or indications that keep it relevant in formularies

CALDEROL exclusivity and patent estate: what patents protect CALDEROL and when do they expire?

Featured-snippet answer
A CALDEROL patent/Orange Book-driven exclusivity map requires verified Orange Book listings and patent numbers linked to the marketed dosage form and strength. Without those drug-specific listings, the expiration schedule cannot be generated accurately.

What to extract from the Orange Book for CALDEROL (for a complete exclusivity map)
For each listed drug entry, a proper estate map must include:

  • Patent numbers and patent type codes (drug substance, drug product, method of use)
  • Patent expiration dates and any listed “regulatory exclusivity” periods
  • Pediatric exclusivity extensions (if listed)
  • Any “orphan drug exclusivity” indicators, where applicable
  • Whether the FDA listing corresponds to NDA, ANDA, or 505(b)(2)

How to translate the estate into launch risk
Commercial launch risk rises sharply when:

  • A brand’s Orange Book method-of-use patents expire while drug product patents remain
  • Or when only limited formulation patents remain and generic entry is feasible through design-around
  • Or when multiple patents cover the same claimed formulation, increasing the chance of settlement but also increasing litigation duration

When does CALDEROL lose exclusivity? (timeline to generic entry)

Featured-snippet answer
A calendar timeline depends on verified FDA regulatory exclusivity and patent expiry for the exact listed dosage forms and strengths. Without drug-specific listings for CALDEROL, no reliable expiry timeline can be produced.

Typical exclusivity buckets to model (once listings are confirmed)

  • 5-year new chemical entity (NCE) exclusivity (if applicable)
  • 3-year new clinical investigation exclusivity (if applicable)
  • 7-year orphan exclusivity (if applicable)
  • Patent expiry for substance/product/method-of-use
  • Pediatric exclusivity extensions (6-month add-on, if applicable)

How strong is the patent estate for CALDEROL?

Featured-snippet answer
Patent strength for a brand is usually highest when multiple independent patent families cover (1) the drug substance, (2) drug product/formulation, and (3) method-of-use, with staggered expirations that prevent “early design-around” launches.

Patent estate strength checklist (what a CALDEROL analysis must quantify)

  • Number of Orange Book-listed patents per dosage form/strength
  • Diversity of claims: substance vs product vs method-of-use
  • Expected design-around opportunities
  • Litigation density: number of PIV/settlement events and court outcomes
  • Remaining life: weighted average remaining expiry from the latest filing’s date

Which companies are challenging CALDEROL via Paragraph IV ANDAs?

Featured-snippet answer
Paragraph IV challenge identification requires confirmation of active ANDA filings tied to the CALDEROL reference listed drug (RLD). Without verified FDA ANDA litigation records for CALDEROL, no credible list of challenger companies or dates can be compiled.

What matters for financial impact of Paragraph IV

  • Likelihood of a successful launch at 180-day exclusivity eligibility
  • Whether the brand reaches settlements that delay entry
  • Whether the challenger’s product faces safety, manufacturing, or bioequivalence hurdles

What is the Orange Book status of CALDEROL?

Featured-snippet answer
Orange Book status requires the exact FDA “Drug” listing and RLD mapping for CALDEROL’s active ingredient(s) and dosage forms. No accurate Orange Book table can be provided without verified drug-specific identifiers.

How to build a CALDEROL Orange Book table (required fields)

  • NDA number and RLD name
  • Dosage form/strength
  • Listed patents with type and expiration
  • Regulatory exclusivity flags
  • Any recent amendments that change listed coverage

CALDEROL patent litigation: what cases affect launch timing and licensing?

Featured-snippet answer
Litigation impacts launch timing only when it affects an FDA approval date through preliminary injunctions, settlement stay periods, or appellate outcomes. A CALDEROL litigation roster requires confirmed case dockets and settlement agreements for the relevant patents and parties.

What litigation milestones typically shift the business outlook

  • Filing of complaint after Paragraph IV notice
  • Court-imposed timelines for preliminary injunction proceedings
  • Final judgment dates or settlements that cap entry windows
  • Carve-outs for specific strengths or indications

What settlements or licensing deals exist for CALDEROL?

Featured-snippet answer
A settlement/licensing view requires verified agreements tied to the challenged patents and the NDA/ANDA pair. Without confirmed CALDEROL-specific settlement records, no deal list can be created.

CALDEROL formulation patents: what drug product technologies are protected?

Featured-snippet answer
Formulation protection matters most when it covers stability, bioavailability, release profile, or composition-of-matter-adjacent formulation approaches that impede generic bioequivalence. A formulation patent map requires verified Orange Book “drug product” and relevant non-Orange Book patents.

What formulation features drive design-around risk

  • Extended-release or modified-release platforms
  • Solubility and particle size controls
  • Salt/crystal form management (if relevant)
  • Stabilizer systems and moisture/temperature handling
  • Device combinations (if combination products)

How does CALDEROL compare with competing drugs in the same class?

Featured-snippet answer
Comparative commercial outcomes depend on differentiated clinical positioning, payer coverage rules, and time-to-generic substitution. A competitive comparison requires confirmed therapeutic class, mechanism, and competitor set tied to the same indication and route.

Key comparison dimensions for CALDEROL vs rivals (once class is verified)

  • Labeled endpoints and comparative effectiveness positioning
  • Pricing and formulary tiers
  • Safety and tolerability profiles that influence switching
  • Dosing convenience (adherence impact)
  • Availability of authorized generics and 505(b)(2) alternatives

Generic entry risks for CALDEROL: what happens to sales when competition arrives?

Featured-snippet answer
Once generics enter, sales decline typically follows switch-driven volume transfer and rebate renegotiation, with the brand retaining residual share only if it stays preferred or differentiated.

Generic entry scenarios to model (for CALDEROL once listings are confirmed)

  • Scenario A: single generic launch on first eligible date
  • Scenario B: delayed generic entry due to litigation stays
  • Scenario C: multiple challengers launch, accelerating erosion
  • Scenario D: authorized generic leads to earlier price competition than expected

Geographic and regulatory factors for CALDEROL: where is it most exposed?

Featured-snippet answer
Exposure differs by market based on patent landscapes, reimbursement regimes, and local approval pathways (FDA vs EMA and national bodies). A geographic exposure map requires confirmed global brand authorization status for CALDEROL.

What typically drives cross-market differences

  • Strength and coverage depth of national patents
  • Local tendering and hospital formularies
  • Reimbursement decisions that lock in therapy access
  • Availability of local generics and parallel trade impacts

Key takeaways

No market dynamics or financial trajectory analysis can be reliably produced for “CALDEROL” without verified, drug-specific FDA identifiers, Orange Book listings, patent numbers, litigation records, and historical sales references tied to the exact marketed product. A correct exclusivity timeline, generic entry forecast, and revenue model are contingent on those verified inputs.

FAQs

  1. How do I estimate revenue impact for a brand like CALDEROL when patent expiry approaches?
  2. What Orange Book patent types (drug substance, drug product, method of use) most commonly delay generic launch?
  3. How does 180-day exclusivity eligibility affect generic entry timing after a Paragraph IV filing?
  4. What settlement structures most often delay launches for challenged FDA references?
  5. How should net-to-gross assumptions change after first generic entry for brands similar to CALDEROL?

References

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