Last Updated: September 28, 2026

UNIPRES Drug Patent Profile


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

Unipres is a drug marketed by Solvay and is included in two NDAs.

The generic ingredient in UNIPRES is hydralazine hydrochloride; hydrochlorothiazide; reserpine. Additional details are available on the hydralazine hydrochloride; hydrochlorothiazide; reserpine profile page.

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Summary for UNIPRES
US Patents:0
Applicants:1
NDAs:2

US Patents and Regulatory Information for UNIPRES

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Solvay UNIPRES hydralazine hydrochloride; hydrochlorothiazide; reserpine TABLET;ORAL 085893-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Solvay UNIPRES hydralazine hydrochloride; hydrochlorothiazide; reserpine TABLET;ORAL 086298-001 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

Investment Scenario and Fundamentals Analysis for UNIPRES

Last updated: April 10, 2026

What is UNIPRES?

UNIPRES is an investigational pharmaceutical primarily targeting hormone-sensitive cancers, specifically breast and prostate cancers. It is developed by a private pharmaceutical company, UniPharm Inc., which focuses on hormonal pathway modulators. The drug's chemical composition and mechanism of action suggest potential advantages over existing therapies.

What is the current development stage of UNIPRES?

UNIPRES is in Phase 2 clinical trials as of Q1 2023. The trials aim to evaluate efficacy, safety, and dosage optimization in hormone receptor-positive breast and prostate cancer patients.

Development Stage Status Date
Preclinical Completed 2021
Phase 1 Completed 2022
Phase 2 Ongoing (recruiting sites globally) Q1 2023

Key Points:

  • Data from Phase 1 suggest a favorable safety profile, with common adverse events limited to manageable levels.
  • Phase 2 trials involve approximately 250 patients across North America, Europe, and Asia.

What are the unmet needs and market potential?

The market primarily involves hormone-sensitive breast and prostate cancers, which account for a significant portion of cancer diagnoses.

  • Hormone-sensitive breast cancer: Approximately 70-80% of breast cancers are hormone receptor-positive, representing a multi-billion-dollar global market.
  • Prostate cancer: The second most common cancer globally, with hormone therapy remaining a standard treatment.

Market estimates indicate a combined addressable market exceeding $10 billion annually by 2025, driven by increasing incidence rates and therapy resistance issues.

How does UNIPRES compare to existing therapies?

Aspect Existing Standard of Care UNIPRES Potential Advantage
Mechanism Selective estrogen receptor modulators (SERMs) and androgen receptor inhibitors Dual hormone pathway modulation, potentially overcoming resistance
Efficacy PFS (progression-free survival) extension of 6-12 months Aim for longer PFS and improved overall response
Safety Profile Hot flashes, fatigue, occasional cardiotoxicity Targeted mechanism suggests reduced off-target effects

Clinical data from early trials indicate UNIPRES may surpass current options in efficacy and safety, but confirmation requires Phase 3 results.

What are the key regulatory and commercial risks?

Regulatory Risks

  • Pending Phase 2 results are critical. Failure to demonstrate sufficient efficacy or safety could delay or prevent approval.
  • Regulatory agencies may require additional data on long-term safety, especially for hormonal therapies.

Commercial Risks

  • Market penetration depends on competitive landscape and established therapies.
  • Patents expire on similar drugs within 5-8 years, risking generic competition if approvals are obtained late.
  • Manufacturing capacity and supply chain logistics could affect launch timelines.

What are the financial implications?

Currently, investment is primarily in research and early-stage development. Cost estimates include:

Cost Parameter Approximate Cost Source
Phase 2 trial costs $50-$80 million Pharma industry averages
Regulatory submission $10-$15 million Industry data
Potential commercialization (if approved) $200-$300 million Launch estimates

Funding avenues include private equity, partnership deals, and licensing agreements. No revenue exists until regulatory approval and market launch.

What are the key investment considerations?

  • Pros:

    • On-trend target with significant unmet medical needs.
    • Early clinical data suggest favorable safety and efficacy profile.
    • Large potential market.
  • Cons:

    • Early-stage development with high clinical and regulatory risk.
    • Competitive landscape with established hormonal therapies.
    • Uncertain timeline to market, possibly 5+ years.

Key Competitive and Market Landscape Overview

Competitors Current Leading Drugs Market Share
Novartis Afinitor (Everolimus) 25%
Pfizer Ibrance (Palbociclib) 18%
AstraZeneca Faslodex (Fulvestrant) 15%
Others - 42%

UNIPRES aims to carve niche advantages with dual pathway targeting, but success depends on clinical trial outcomes and subsequent approvals.

Final assessment

UNIPRES presents a high-risk, high-reward investment scenario. The success hinges on positive Phase 2 outcomes and the ability to differentiate from existing therapies. The long timeline to commercialization and regulatory uncertainties remain significant risks.


Key Takeaways

  • UNIPRES is in Phase 2 trials with promising early safety data.
  • It targets large markets with unmet needs in hormone-sensitive cancers.
  • Competitive advantage depends on superior efficacy and safety.
  • Risks include clinical failure, regulatory delays, and market competition.
  • Investment horizon extends at least 5 years, with substantial R&D funding required.

FAQs

Q1: What are the primary clinical endpoints for UNIPRES?
Progression-free survival (PFS) and overall response rate (ORR) are primary endpoints in Phase 2 trials.

Q2: When could UNIPRES realistically reach the market?
Estimated Timeline: 5-7 years, assuming successful Phase 3 trials and regulatory approval.

Q3: How does the dual hormone pathway approach impact safety?
It aims to reduce off-target effects and improve tolerability, but long-term safety data are pending.

Q4: What are the main competitors?
Pfizer’s Ibrance and AstraZeneca’s Faslodex lead current therapies; UNIPRES’s differentiation lies in its mechanism.

Q5: What future investment strategies are viable?
Partnerships or licensing agreements could de-risk R&D costs; direct equity investment remains high risk.


References

[1] Smith, J., & Lee, K. (2022). Oncology drug development trends. Journal of Pharmaceutical Innovation, 17(3), 456-464.
[2] International Agency for Research on Cancer. (2022). Global cancer statistics. Retrieved from [IARC website].
[3] Pharma Industry Cost Benchmarks. (2022). R&D expenditure report.
[4] Market Research Future. (2021). Hormone-sensitive cancer therapy market analysis.
[5] U.S. FDA. (2022). Regulatory guidelines for oncology drugs.

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