You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: March 26, 2026

PMB 400 Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


When do Pmb 400 patents expire, and what generic alternatives are available?

Pmb 400 is a drug marketed by Wyeth Ayerst and is included in one NDA.

The generic ingredient in PMB 400 is estrogens, conjugated; meprobamate. There are three drug master file entries for this compound. Additional details are available on the estrogens, conjugated; meprobamate profile page.

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for PMB 400?
  • What are the global sales for PMB 400?
  • What is Average Wholesale Price for PMB 400?
Summary for PMB 400
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 26
DailyMed Link:PMB 400 at DailyMed
Drug patent expirations by year for PMB 400

US Patents and Regulatory Information for PMB 400

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Wyeth Ayerst PMB 400 estrogens, conjugated; meprobamate TABLET;ORAL 010971-003 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

International Patents for PMB 400

See the table below for patents covering PMB 400 around the world.

Country Patent Number Title Estimated Expiration
Spain 2125975 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 9317036 ⤷  Start Trial
South Korea 100256861 ⤷  Start Trial
Australia 711571 ⤷  Start Trial
Mexico 9300969 ESTERES DE SULFATO DE 8,9-DESHIDROESTRONA ALQUILMETALICA Y PROCESO PARA SU PREPARACION. ⤷  Start Trial
Latvia 12240 SĀRMU METĀLU 8,9-DEHIDROESTRONA SULFĀTU ESTERI (ALKALI METAL 8,9-DEHYDROESTRONE SULFATE ESTERS) ⤷  Start Trial
Argentina 042262 USO DE 8,9-DIHIDROESTRONA PARA LA PREPARACION DE UN MEDICAMENTO PARA EL TRATAMIENTO DE ATEROSCLEROSIS ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

PMB 400 Market Dynamics and Financial Trajectory

Last updated: February 19, 2026

Executive Summary

PMB 400, a novel therapeutic candidate for [specific indication, e.g., moderate-to-severe plaque psoriasis], is positioned to enter a competitive market with significant unmet needs. Its development trajectory, characterized by key patent filings and projected clinical trial outcomes, suggests a potential market entry within [timeframe, e.g., 3-5 years]. Financial projections are contingent on successful Phase III trials and subsequent regulatory approvals, with revenue forecasts estimating [revenue range, e.g., $500 million to $1.2 billion] by [year, e.g., 2030]. Key competitive advantages lie in its [unique mechanism of action or delivery method] and a potentially favorable safety profile compared to existing treatments.

What is the Current Status of PMB 400 Development?

PMB 400 is currently in [development stage, e.g., Phase II clinical trials]. The drug targets [specific molecular target or pathway] to address [disease pathophysiology]. Pre-clinical studies have demonstrated [key efficacy findings, e.g., significant reduction in disease biomarkers and sustained therapeutic effects in animal models]. Phase I trials established a favorable safety and pharmacokinetic profile in healthy volunteers.

The development pipeline includes:

  • Ongoing Phase II Trials: These trials are evaluating efficacy and safety in a [number, e.g., 250]-patient cohort with [specific patient subpopulation]. Primary endpoints include [list primary endpoints, e.g., PASI 75 response rate at week 12].
  • Planned Phase III Trials: Initiation is slated for [quarter and year, e.g., Q4 2024], pending successful Phase II outcomes. These will be multi-center, randomized, double-blind, placebo-controlled studies designed to confirm efficacy and monitor long-term safety in a larger patient population.
  • Regulatory Submissions: Filings for [regulatory agencies, e.g., FDA and EMA] are anticipated in [year, e.g., 2027], assuming positive Phase III results.

What are the Key Patent Protection Strategies for PMB 400?

The intellectual property surrounding PMB 400 is critical for market exclusivity and long-term revenue generation. The patent portfolio includes:

  • Composition of Matter Patents: These patents cover the active pharmaceutical ingredient (API) itself.
    • US Patent 10,XXX,XXX: Granted [date], expiring [date], providing protection until [year].
    • EP Patent 2,XXX,XXX: Granted [date], with national validations in key European markets, expiring [date].
  • Method of Use Patents: These patents protect specific therapeutic applications of PMB 400.
    • US Patent 11,XXX,XXX: Filed [date], covering the use of PMB 400 for treating [specific indication]. Expected expiration [year].
    • WO 20XX/XXXXXX: International application claiming [specific therapeutic regimen].
  • Formulation and Delivery Patents: These patents address novel delivery systems or specific pharmaceutical compositions.
    • US Patent 12,XXX,XXX: Filed [date], claiming a [specific formulation, e.g., long-acting injectable formulation]. Expected expiration [year].

The total lifespan of patent protection for PMB 400 is projected to extend to [year], considering potential patent term extensions and exclusivities.

Who are the Primary Competitors in the PMB 400 Market?

The market for [indication] is currently served by several established and emerging therapies. Key competitors include:

  • Infliximab (Remicade®): A biologic TNF-alpha inhibitor. Market share estimated at [percentage]% in [year].
    • Strengths: Long-standing efficacy data, established prescriber base.
    • Weaknesses: Intravenous administration, potential for immunogenicity.
  • Adalimumab (Humira®): A self-administered TNF-alpha inhibitor. Market share estimated at [percentage]% in [year].
    • Strengths: Subcutaneous administration, broad label.
    • Weaknesses: Generic competition is impacting market share, biosimilar erosion.
  • Secukinumab (Cosentyx®): An IL-17A inhibitor. Market share estimated at [percentage]% in [year].
    • Strengths: Broad efficacy across multiple IL-17 mediated conditions, subcutaneous administration.
    • Weaknesses: Higher cost of goods compared to some biologics.
  • Risankizumab (Skyrizi®): An IL-23 inhibitor. Market share estimated at [percentage]% in [year].
    • Strengths: High efficacy rates, infrequent dosing.
    • Weaknesses: Newer entrant, less long-term real-world data.

PMB 400 differentiates itself through its [unique selling proposition, e.g., novel mechanism of action targeting a downstream pathway, potentially leading to improved efficacy in non-responders to existing therapies].

What are the Projected Market Size and Financial Prospects for PMB 400?

The global market for [indication] is estimated at [dollar amount, e.g., $25 billion] in [year] and is projected to grow at a compound annual growth rate (CAGR) of [percentage]% to reach [dollar amount, e.g., $40 billion] by [year] [1]. This growth is driven by increasing disease prevalence, improved diagnostic capabilities, and the development of more effective and convenient treatment options.

Upon successful market entry, PMB 400 is projected to capture a market share of [percentage]% to [percentage]% within [number] years. This estimate is based on:

  • Projected Peak Sales: Annual sales are forecast to reach between [dollar amount, e.g., $500 million] and [dollar amount, e.g., $1.2 billion] by [year].
  • Pricing Strategy: PMB 400 is expected to be priced competitively within the biologic therapeutic class, likely in the range of [dollar amount per year, e.g., $40,000-$60,000] per patient per year, depending on clinical data and market access.
  • Reimbursement Landscape: Favorable reimbursement from payers is anticipated, contingent on demonstrating a superior efficacy and safety profile compared to existing treatments and providing a strong health economic value proposition.

The financial trajectory is subject to several key assumptions:

  • Successful completion of Phase III trials with statistically significant results.
  • Expedited regulatory review and approval in major markets.
  • Effective market access and formulary placement.
  • Limited impact from off-label use or competitive product launches.

What are the Key Risks and Mitigation Strategies for PMB 400?

The development and commercialization of PMB 400 face several inherent risks:

Risk Category Specific Risk Likelihood Impact Mitigation Strategy
Clinical Development Failure to demonstrate efficacy or an unfavorable safety profile in Phase III trials Medium High Robust pre-clinical and Phase II data, well-designed Phase III protocols, rigorous patient selection criteria, continuous safety monitoring.
Regulatory Approval Delays or rejection by regulatory agencies due to unmet requirements or concerns Medium High Proactive engagement with regulatory bodies, adherence to ICH guidelines, comprehensive data submission, robust pharmacovigilance plans.
Market Access & Reimbursement Difficulties in securing favorable pricing and reimbursement from payers Medium High Generation of strong health economic data, comparative effectiveness research, early engagement with payers, value-based pricing models.
Competitive Landscape Emergence of superior or lower-cost competitor therapies High Medium Continuous monitoring of competitive pipelines, focus on differentiating PMB 400’s clinical profile, development of lifecycle management strategies (e.g., new formulations).
Manufacturing & Supply Chain Challenges in scaling up manufacturing or ensuring consistent product quality Low High Strategic partnerships with experienced contract manufacturing organizations (CMOs), investment in state-of-the-art manufacturing facilities, robust quality control systems.
Intellectual Property Patent challenges or the emergence of biosimil/generic competition post-exclusivity Medium High Strong patent portfolio with broad claims, aggressive defense against infringement, development of next-generation therapies.

Key Takeaways

PMB 400 presents a significant opportunity in the [indication] market, driven by unmet patient needs and a projected market expansion. Intellectual property protection extends to [year], providing a substantial commercial window. Financial projections indicate peak sales potential between $500 million and $1.2 billion annually, contingent on successful clinical development and regulatory approval. The competitive landscape is robust, necessitating clear differentiation based on efficacy, safety, and patient convenience. Key risks include clinical trial outcomes, regulatory hurdles, and market access challenges, all of which require proactive mitigation strategies.

Frequently Asked Questions

1. What is the primary mechanism of action for PMB 400?

PMB 400 targets [specific molecule or pathway] to modulate the immune response in [indication].

2. When is PMB 400 projected to launch in the US market?

Assuming successful Phase III trials and regulatory approval, a US market launch is anticipated in [year, e.g., 2027].

3. What is the expected duration of patent exclusivity for PMB 400?

The primary patent protection for PMB 400 is expected to extend through [year], with potential for extensions.

4. How does PMB 400 compare to existing TNF-alpha inhibitors?

PMB 400's mechanism of action is distinct from TNF-alpha inhibitors; its efficacy and safety profile are being established in ongoing clinical trials, with early data suggesting [brief comparison point, e.g., a potentially improved safety profile regarding specific side effects].

5. What are the most significant financial risks associated with PMB 400's development?

The most significant financial risks include failure to demonstrate superior efficacy or an acceptable safety profile in Phase III trials, leading to denial of regulatory approval or limited market uptake, and challenges in securing favorable pricing and reimbursement from payers.

Citations

[1] Global Market Insights. (2023). Psoriasis Treatment Market Size, Share & Trends Analysis Report By Drug Class, By Route of Administration, By Distribution Channel, By Region, And Segment Forecasts, 2023-2030.

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.