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HALOTESTIN Drug Patent Profile
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Which patents cover Halotestin, and when can generic versions of Halotestin launch?
Halotestin is a drug marketed by Pharmacia And Upjohn and is included in one NDA.
The generic ingredient in HALOTESTIN is fluoxymesterone. There are three drug master file entries for this compound. Additional details are available on the fluoxymesterone profile page.
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Questions you can ask:
- What is the 5 year forecast for HALOTESTIN?
- What are the global sales for HALOTESTIN?
- What is Average Wholesale Price for HALOTESTIN?
Summary for HALOTESTIN
| US Patents: | 0 |
| Applicants: | 1 |
| NDAs: | 1 |
| Raw Ingredient (Bulk) Api Vendors: | 1 |
| Patent Applications: | 4,935 |
| DailyMed Link: | HALOTESTIN at DailyMed |
US Patents and Regulatory Information for HALOTESTIN
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pharmacia And Upjohn | HALOTESTIN | fluoxymesterone | TABLET;ORAL | 010611-002 | Approved Prior to Jan 1, 1982 | DISCN | No | No | ⤷ Start Trial | ⤷ Start Trial | ⤷ Start Trial | ||||
| Pharmacia And Upjohn | HALOTESTIN | fluoxymesterone | TABLET;ORAL | 010611-006 | Approved Prior to Jan 1, 1982 | DISCN | No | No | ⤷ Start Trial | ⤷ Start Trial | ⤷ Start Trial | ||||
| Pharmacia And Upjohn | HALOTESTIN | fluoxymesterone | TABLET;ORAL | 010611-010 | 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 |
HALOTESTIN (Mifepristone/Ethinyl testosterone blend) Market Dynamics and Financial Trajectory: Sales Trends, Revenue Drivers, and Exclusivity/IP Risk
Halotestin is a brand of methyltestosterone (trade name “Halotestin” used for anabolic-androgenic steroid therapy). The brand’s market dynamics are dominated by (1) shrinking adult testosterone-adjunct demand in key geographies, (2) tightening prescribing controls for anabolic steroids, (3) competitive pressure from compounded and generics of older testosterone agents, and (4) limited pipeline momentum because Halotestin is an established, off-patent product in most major markets.
Because Halotestin is widely available as an older small-molecule androgen, its financial trajectory has historically been shaped less by new clinical differentiation and more by generic substitution, distributor channel behavior, and regulatory scrutiny of anabolic-androgenic steroids.
What is Halotestin used for and how do indications drive demand?
Halotestin is an androgenic steroid product used in clinical practice for indications including androgen deficiency and select off-label hormone-related uses. For market modeling, demand tracks with three demand channels:
- Endocrinology and primary care prescribing of androgen replacement and “mimic” therapies.
- Specialty prescribing in oncology-adjacent cachexia and muscle-wasting contexts (where androgens historically had roles).
- Non-medical use risk that can trigger regulatory and payer scrutiny, which then reduces legitimate prescribing.
How do payer controls and scheduling affect Halotestin market pull?
Controls and monitoring vary by country, but the net effect is consistent: the more regulated the product category (anabolic steroids), the more prescribers shift to alternatives with clearer reimbursement pathways or fewer compliance burdens.
Key demand impacts:
- Prior authorization or tighter clinic monitoring reduces “low-friction” starts.
- Formulary exclusions in some public systems limit volume.
- Higher compliance cost increases treatment discontinuation rates.
How has Halotestin’s sales trajectory evolved since generic entry?
A mature, legacy androgen brand typically follows an “S-curve to plateau” then a steep decline post-generic uptake, followed by modest stabilization driven by residual brand demand and specialty channels.
For Halotestin, the financial pattern is usually:
- Early period: brand capture via physician awareness and distribution.
- Mid period: generic substitution accelerates as multiple ANDAs enter.
- Late period: brand persists only where patient-specific continuity, prescriber preference, or procurement channel lock-in exists.
What does generic availability do to price and margin?
Generic substitution drives:
- Lower realized price (often double-digit percentage drops after credible generic penetration).
- Lower gross margin for any remaining branded supply.
- Channel renegotiation that squeezes distributor incentives.
What are the usual revenue risks for off-patent and legacy androgens?
- Inventory shifts: distributors reduce brand stocking once supply continuity for generics is proven.
- Contracting: tenders increasingly favor lowest acquisition cost.
- Marketing diminishes: fewer physician-detailing resources when brand share erodes.
What patents protect Halotestin, and when do they expire?
For Halotestin, as an older androgen product, the core active ingredient and most fundamental manufacturing/formulation rights have generally reached expiry in major jurisdictions. The market implication is that brand exclusivity is limited to:
- any residual regulatory exclusivity tied to specific dosage forms or labels, and
- any late-expiring secondary patents that cover particular formulations, manufacturing methods, or specific therapeutic uses.
How many patents typically cover legacy androgen brands like Halotestin?
In mature androgen categories, brands often maintain:
- a thin tail of formulation or process patents, and
- limited method-of-use protection if any.
What is the practical legal/IP outcome for brand pricing?
Even where secondary patents exist, the presence of multiple competing generics reduces brand pricing power. Any remaining exclusivity tends to affect time-to-generic entry rather than sustain long-term premium pricing.
What is the Orange Book status of Halotestin?
Orange Book status is a key market-access indicator for US competition timing. For legacy products like Halotestin, Orange Book coverage is usually:
- sparse for active ingredient compounds, and
- concentrated in later-cycle formulation or labeling-related patents, if present.
Market impact of Orange Book coverage
- If no unexpired “Orange Book” patents remain, generic manufacturers can often launch through routine pathways without Paragraph IV defenses.
- If listed patents exist, the brand’s competitive barrier may still be legal, but generic share typically expands as patent challenges succeed or patents expire.
Have there been Paragraph IV challenges against Halotestin?
Paragraph IV filings are the primary catalyst for near-term generic entry when listed patents remain. For older and widely substituted products, the common pattern is:
- early Paragraph IV activity against active ingredient or formulation patents,
- settlement agreements that delay launch by a defined period, or
- litigation that resolves through dismissal, non-infringement, invalidity, or expiry.
What does the presence of Paragraph IV litigation usually mean for revenue?
- Branded revenues can spike briefly around court-driven delays.
- Once settlements end or litigation resolves, price compression accelerates.
What generic entry risks exist for Halotestin formulations and strengths?
Risk is multi-dimensional:
- Strength- and dosage-form specific: generics must match the listed dosage form and release characteristics.
- Bioequivalence pathway: if Halotestin is already widely generic, the entry barrier is mostly commercial and supply-chain.
- Label carve-outs: generic labels may restrict use that triggers branded residual demand.
Which entry channels most affect Halotestin revenues?
- Additional ANDA approvals by established generics increase competitive depth.
- Multiple manufacturers reduce shortages and further weaken brand pricing.
- Wholesale channel penetration by generics reduces the remaining brand share.
How does Halotestin compare with other anabolic-androgenic steroids on market dynamics?
Competition for Halotestin sits inside a broader androgen category with alternative agents:
- injectable and oral testosterone derivatives,
- other anabolic steroids, and
- testosterone replacement products that may have stronger reimbursement support depending on geography.
Where does Halotestin typically lose share?
- Where prescribers shift to TRT products with clearer guideline alignment and reimbursement.
- Where payers prefer formulations with better coverage terms.
- Where supply chain continuity for competitor generics is stronger.
Where can Halotestin hold on?
- Where a legacy prescribing habit persists.
- Where specific dosing patterns or patient tolerability supports continued use.
- Where tender formularies maintain at least one brand option.
What FDA regulatory pathway issues influence Halotestin access in the US?
Key regulatory drivers for legacy oral and androgen products:
- ANDA bioequivalence requirements for generics.
- Labeling alignment with current FDA safety communications.
- Manufacturing compliance history that affects availability and pricing stability.
How does regulatory scrutiny of anabolic-androgenic steroids affect volumes?
- More conservative prescribing behavior lowers overall addressable demand.
- Safety communications increase monitoring and discontinuations.
How do manufacturing and supply constraints change Halotestin pricing?
An androgen category typically experiences periodic supply volatility. Market impacts:
- Shortages for any generic competitor can lift branded sales temporarily.
- Stabilized manufacturing lowers prices for the whole category and erodes brand demand.
What supply-chain factors matter most?
- API sourcing reliability.
- Finished dose manufacturing capacity.
- Quality compliance record and batch release timing.
How strong is the patent estate for Halotestin, and what does that mean for exclusivity?
For legacy small-molecule brands:
- patent estates tend to be thin,
- exclusivity tends to rely on historical regulatory label status rather than long-lived chemical novelty, and
- the economic barrier to generic entry is commercial, not IP.
Net effect:
- limited ability to sustain premium pricing,
- faster erosion of market share after any remaining listed patents fall away.
What are the most likely commercial scenarios for Halotestin over the next 3–5 years?
Three scenarios describe most legacy brand outcomes:
-
Base case: continued brand erosion, stabilization at low share
- Generics keep taking share via tenders and channel contracts.
- Brand revenues track modest fluctuations around supply/demand cycles.
-
Upside case: temporary stabilization from shortages or channel disruptions
- A subset of suppliers fails to meet demand or experiences quality issues.
- Brand can capture short-cycle volume.
-
Downside case: accelerated substitution
- More generics enter or strengthen distribution.
- Payers further narrow covered options or expand non-preferred status for the brand.
Key takeaways on Halotestin financial trajectory and market dynamics
- Halotestin’s market behavior is typical of an older androgen: demand is mature, competition is intense, and pricing power is limited.
- The financial trajectory is driven primarily by generic substitution, payer controls, and regulatory scrutiny, not by new clinical differentiation.
- The competitive barrier in the US and other markets is usually modest because core chemical and early process protections have long since expired.
- Any brand resilience comes from channel inertia, temporary supply disruptions, and residual prescribing continuity.
FAQs
1) Is Halotestin considered an off-patent drug in major markets?
In most major markets, Halotestin’s active ingredient and foundational IP are historically older and typically off-patent, with any remaining protection usually limited to formulation or label-adjacent secondary rights.
2) What typically causes short-term spikes in Halotestin brand sales?
Generic supply shortages, distributor allocation shifts, or batch release delays for competitor products.
3) How do tenders and hospital formularies affect Halotestin revenue?
They shift volume to the lowest net acquisition cost product, accelerating brand share loss after generic procurement becomes standardized.
4) Do safety communications on anabolic steroids change prescribing behavior?
Yes. They tend to reduce initiation rates and increase monitoring requirements, which can lower overall volumes for all anabolic-androgenic steroids.
5) What is the main risk to Halotestin brand profitability?
Sustained price compression as generic competition deepens and realizes lower gross margins for branded inventory.
References
- FDA Orange Book. (n.d.). Drug Products Listed in the Orange Book. U.S. Food and Drug Administration.
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