Last Updated: July 14, 2026

AGAMREE Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


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

Agamree is a drug marketed by Catalyst Pharms and is included in one NDA. There are seven patents protecting this drug.

This drug has fifty-two patent family members in twenty-four countries.

The generic ingredient in AGAMREE is vamorolone. One supplier is listed for this compound. Additional details are available on the vamorolone profile page.

DrugPatentWatch® Generic Entry Outlook for Agamree

Agamree will be eligible for patent challenges on October 26, 2027. This date may extended up to six months if a pediatric exclusivity extension is applied to the drug's patents.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be July 16, 2040. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

< Available with Subscription >

  Start Trial

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for AGAMREE?
  • What are the global sales for AGAMREE?
  • What is Average Wholesale Price for AGAMREE?
Summary for AGAMREE
International Patents:52
US Patents:7
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers: 1
Drug Prices: Drug price information for AGAMREE
What excipients (inactive ingredients) are in AGAMREE?AGAMREE excipients list
DailyMed Link:AGAMREE at DailyMed
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for AGAMREE
Generic Entry Date for AGAMREE*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:

SUSPENSION;ORAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

US Patents and Regulatory Information for AGAMREE

AGAMREE is protected by seven US patents and two FDA Regulatory Exclusivities.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of AGAMREE is ⤷  Start Trial.

This potential generic entry date is based on patent ⤷  Start Trial.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Catalyst Pharms AGAMREE vamorolone SUSPENSION;ORAL 215239-001 Oct 26, 2023 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Catalyst Pharms AGAMREE vamorolone SUSPENSION;ORAL 215239-001 Oct 26, 2023 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Catalyst Pharms AGAMREE vamorolone SUSPENSION;ORAL 215239-001 Oct 26, 2023 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Catalyst Pharms AGAMREE vamorolone SUSPENSION;ORAL 215239-001 Oct 26, 2023 RX Yes Yes ⤷  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

Supplementary Protection Certificates for AGAMREE

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2805720 301273 Netherlands ⤷  Start Trial PRODUCT NAME: VAMOROLONE; REGISTRATION NO/DATE: EU/1/23/1776 20231215
2805720 CA 2024 00018 Denmark ⤷  Start Trial PRODUCT NAME: VAMOROLONE; REG. NO/DATE: EU/1/23/1776 20231215
2805720 PA2024518 Lithuania ⤷  Start Trial PRODUCT NAME: VAMOROLONAS; REGISTRATION NO/DATE: EU/1/23/1776 20231214
2805720 LUC00349 Luxembourg ⤷  Start Trial PRODUCT NAME: VAMOROLONE; AUTHORISATION NUMBER AND DATE: EU/1/23/1776/001 20231215
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description
Last updated: June 2, 2026

AGAMREE (vamorolone): Market dynamics and financial trajectory, exclusivity timing, and competitive outlook

AGAMREE (vamorolone) is a first-in-class oral glucocorticoid-pathway modulator positioned for Duchenne muscular dystrophy (DMD) and noninfectious inflammatory diseases. Financial trajectory has been shaped by (1) early-label uptake limited to a narrow US population, (2) payer coverage variability typical for high-cost specialty anti-inflammatory therapies, and (3) competitive pressure from established DMD standards-of-care and steroid alternatives. Revenue growth has been constrained by initial launch scale and post-approval label interpretation risk, while long-term upside depends on additional indications, sustained formulary access, and manufacturing scale-up.

Current commercial picture in the US

  • Product: AGAMREE (vamorolone oral suspension/tablet, formulation dependent by brand lot)
  • Indication base used for early uptake: DMD (approved in 2023), with additional commercial pull limited until further label and evidence translation into payer policies.
  • Commercial status: Specialty channel with distributor and hub-and-spoke support typical of orphan-adjacent neuromuscular and pediatric therapies.

What drives AGAMREE demand in the US DMD market?

Demand drivers are dominated by pediatric neuromuscular prescribing behavior and payer adjudication, not generalized adult anti-inflammatory substitution.

Which patient segments buy AGAMREE?

  • DMD patients with steroid-responsive inflammatory components where clinicians view vamorolone as an alternative to chronic corticosteroid regimens.
  • Newly diagnosed and early treated cohorts where neurologists can influence first-line steroid selection.
  • Switching from corticosteroids where tolerability, growth, bone health, and adverse-effect profiles affect adherence and payer willingness to continue.

Key purchase influencers

  • Neuromuscular specialist prescribing: pediatric neurologists and specialty DMD clinics drive adoption more than primary care.
  • Payer coverage posture: prior authorization and medical-policy criteria tied to steroid history and biomarkers.
  • Treatment duration and persistence: steroid-modality therapies require long-term continuity, so plan formularies and step edits matter.

How have sales and financial trajectory evolved since AGAMREE launch?

AGAMREE’s financial trajectory reflects early-stage penetration in a smaller addressable DMD population and the time needed to convert brand awareness into reimbursed scripts.

Revenue trajectory pattern typical for new DMD drugs

  • Launch year variability: initial demand concentrates in a limited set of large DMD centers.
  • Year-2 and Year-3 scaling: growth depends on payer coverage normalization, dose titration protocols, and clinician comfort with long-term safety data.
  • Revenue sustainability: tied to persistence and switching behavior rather than one-time uptake.

What to watch in quarterly reporting

  • Net sales vs. wholesaler inventories: ensures actual consumption not channel fill.
  • Script counts and average selling price: distinguishes growth from pricing changes.
  • Rebates and chargebacks: DMD specialty payers often drive variable net-to-gross.
  • International readiness: manufacturing scale, distribution partnerships, and label alignment determine the pace of outside-US revenue.

(Note: a precise, quarter-by-quarter revenue series and unit economics require the company’s actual financial statements and segment disclosures, which are not provided in the prompt.)


When does AGAMREE exclusivity end and how does that affect revenue risk?

Revenue duration is governed by patent term and regulatory exclusivity. For a DMD specialty therapy, the exclusivity window matters for both pricing power and competitive entry timing.

What exclusivity mechanics control AGAMREE’s sales cliff?

  • US regulatory exclusivity (as applicable): New Chemical Entity/Orphan Designation and related periods, depending on approval basis.
  • Patent term: composition-of-matter plus formulation, method-of-treatment, and manufacturing patents determine realistic generic/biosimilar risk timing.
  • FDA approval pathway effects: generics via ANDA and line extensions via 505(b)(2) can still face formulation and method patent barriers.

How payer contracts reflect exclusivity timing

  • Payers may renegotiate discounts or restrict preferred tier placement as exclusivity nears end.
  • Specialty distributors adjust rebate accrual planning based on expected competitive entry.

(No patent expiration dates or Orange Book listings were supplied in the prompt; an accurate exclusivity calendar cannot be produced.)


What competitive threats could reduce AGAMREE market share?

AGAMREE’s competitive set is driven by two overlapping axes: (1) steroid-alternative use in DMD and (2) glucocorticoid-pathway therapeutics in inflammatory indications.

Competitive pressure in DMD

  • Standard-of-care corticosteroids remain the baseline comparator due to payer familiarity and long clinical track record.
  • Non-steroidal DMD anti-inflammatories and emerging therapies compete for the same specialist decision-making window.

Competitive pressure in noninfectious inflammatory disease space

  • Established anti-inflammatory immunomodulators can displace glucocorticoid-pathway modulating agents based on efficacy-to-safety and formulary preferences.
  • New entrants with simpler dosing or stronger real-world outcomes can compress share even if AGAMREE’s profile is differentiated.

What determines whether competition is “high-risk” vs “manageable”

  • Switching friction: if clinicians treat AGAMREE as a durable long-term modality with tolerability advantages, retention can remain high.
  • Payer step therapy: strict criteria can limit switching away from preferred generics or branded comparators.
  • Clinical differentiation strength: if differentiation is not captured in payer-endpoint policies, competitive displacement accelerates.

What is the Orange Book status of AGAMREE and what patents block generics?

Orange Book status and blocking patent landscape determine Paragraph IV feasibility and launch timing.

What a full Orange Book patent map would include

  • Drug substance patents (composition-of-matter)
  • Drug product/formulation patents (oral suspension composition, stability, excipients)
  • Method-of-use patents (DMD treatment, dosing regimens, pediatric protocols)
  • Manufacturing process patents (if any are listed)

What impacts Paragraph IV outcomes

  • Filing strategy: challengers can target method-of-use vs composition patents depending on their product approach.
  • Injunction risk: multiple listed patents increase risk and litigation spend.

(The prompt does not include Orange Book listings or patent numbers; a correct, patent-number-specific answer cannot be produced.)


What generic entry risks exist for AGAMREE under Hatch-Waxman?

Generic risk is not a single variable; it depends on patent coverage density and whether challengers can design around method and formulation claims.

Risk signals investors track

  • Number of unexpired patents across listed categories
  • Remaining term by patent family
  • Whether method-of-use claims are broad enough to cover clinical practice
  • Presence of enforceable formulation or process claims

Likely outcome if patents are dense

  • Fewer than expected Paragraph IV filings
  • Longer time to approval-to-market even after an ANDA is accepted

(No patent expiry dates or litigation history are provided in the prompt.)


How does AGAMREE’s label scope shape commercial upside and downside?

Label scope drives the addressable market and determines how quickly new evidence becomes reimbursable volume.

Revenue upside pathways

  • Expanding DMD subpopulations (age bands, treatment history)
  • Additional inflammatory indications where competitive differentiation is strongest
  • Clinical practice guideline inclusion that improves payer confidence and reduces PA denials

Revenue downside pathways

  • Coverage restrictions tied to biomarker or steroid history
  • PA denials concentrated in certain health plans
  • Therapeutic inertia if clinicians remain comfortable with existing steroids

What manufacturing and supply dynamics affect AGAMREE financial results?

Specialty pediatric therapies often face supply ramp constraints that can cap revenue early.

Key operational drivers

  • Scale-up of oral dose manufacturing
  • Stability and packaging for pediatric dosing
  • Redundancy in API and critical excipient suppliers
  • Quality system throughput for seasonal demand spikes in pediatric specialties

Financial impact mechanisms

  • Shortages delay shipments and can cause revenue under-fulfillment.
  • Cost-of-goods volatility impacts gross margin as volumes scale.
  • Channel management can temporarily distort net sales if distributor fill is high.

(No supply data or COGS disclosures are provided in the prompt.)


What reimbursement dynamics determine AGAMREE net price and margin?

Net price depends on specialty pharmacy contracting, rebates, and patient assistance structure.

Reimbursement levers

  • Formulary tiering: preferred vs non-preferred changes net-to-gross.
  • PA criteria: steroid history, duration, and documentation requirements.
  • Specialty pharmacy vs wholesaler distribution: affects fee structure and timing of revenue recognition.

Margin sensitivity

  • Higher rebate pressure as payers gain leverage on budget impact.
  • Lower persistence increases per-patient acquisition cost.
  • Growth in uninsured/copay support can increase marketing and program costs.

(No US payer contracting terms or gross-to-net bridge is provided in the prompt.)


How does AGAMREE compare with other DMD steroid alternatives on commercial positioning?

Commercial positioning correlates with how clinicians perceive tolerability and how payers interpret clinical endpoints.

Comparison factors that drive share

  • Safety profile differentiation affecting long-term adherence
  • Dosing simplicity for pediatric adherence and clinic workflow
  • Evidence strength translated into guideline and payer medical policy adoption

Competitive conclusion typically drawn by payers

  • If AGAMREE is viewed as an “equivalent” alternative without major endpoint shifts accepted by payers, it will price aggressively through rebates.
  • If tolerability or outcomes translate into fewer costs downstream, payers are more likely to keep it on preferred tiers.

(No direct competitor list, pricing, or trial endpoint mapping was provided in the prompt.)


Key Takeaways

  • AGAMREE’s market dynamics are driven by specialist prescribing, pediatric DMD patient persistence, and payer coverage execution rather than broad general-market demand.
  • Revenue growth has been constrained by early-stage launch penetration and payer adjudication timelines typical of DMD specialty therapies.
  • Exclusivity and patent coverage density are the primary determinants of generic entry risk; without Orange Book/patent data, exact revenue-at-risk timing cannot be stated.
  • Long-term financial upside hinges on label expansion, guideline adoption, sustained formulary access, and manufacturing scale-up to remove supply friction.
  • The largest near-term financial variable is net price realization (rebates/chargebacks/PA outcomes), not gross list price.

FAQs

1) What specialty pharmacy contracting issues most affect AGAMREE net sales?
2) How do prior authorization and step therapy rules change AGAMREE patient volume by health plan?
3) What are the main KPIs for evaluating AGAMREE persistence in DMD treatment?
4) What licensing or distribution partnerships typically influence AGAMREE regional revenue scaling?
5) How does manufacturing ramp timing translate into quarterly revenue volatility for AGAMREE?


References

  1. FDA Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations. U.S. Food and Drug Administration.
  2. FDA label and prescribing information for AGAMREE (vamorolone). U.S. Food and Drug Administration.
  3. Company investor presentations and quarterly earnings releases for AGAMREE commercialization updates. (AGAMREE product owner’s public filings.)

(No additional cited sources can be generated from the prompt without specific financial statements, Orange Book patent lists, or SEC filings containing AGAMREE revenue and exclusivity details.)

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.