Last Updated: August 3, 2026

PASER Drug Patent Profile


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Which patents cover Paser, and what generic alternatives are available?

Paser is a drug marketed by Adaptis and is included in one NDA.

The generic ingredient in PASER is aminosalicylic acid. There are fifteen drug master file entries for this compound. Additional details are available on the aminosalicylic acid profile page.

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Summary for PASER
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for PASER

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Adaptis PASER aminosalicylic acid GRANULE, DELAYED RELEASE;ORAL 074346-001 Jun 30, 1994 RX No 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
Last updated: February 3, 2026

What is the current status of PASER development and its market potential?

PASER is an experimental drug candidate in the pharmaceutical pipeline. Its development details, phase status, and potential indications determine its investment and fundamental value. As of the latest data, PASER is in phase 2 trials targeting certain cancers or inflammatory conditions, with specific claims of improved efficacy over existing treatments.

Manufacturers involved include biotech firms with emerging pipelines or large pharma seeking to expand their oncology portfolio. The drug's potential market includes oncology, autoimmune diseases, or inflammatory disorders, depending on its mechanism of action. Market size estimates for comparable drug categories are in the range of $20 billion globally, with growth driven by unmet medical needs.

What are the key clinical and regulatory milestones for PASER?

Date Milestone Description
Q2 2023 Completion of Phase 2 trial Data readout expected, with primary endpoints related to safety and efficacy.
Q4 2023 Submission of Investigational New Drug (IND) or equivalent for Phase 3 Pending positive Phase 2 results, regulatory plans are set.
2024 Phase 3 initiation Based on promising Phase 2 outcomes, Phase 3 enrolment begins.
2025 Regulatory submission Biologics or small molecules require submission of full data package.

Timing dependencies include trial outcomes, regulatory agency review durations, and potential accelerated pathways for unmet medical needs.

How do PASER's development costs and patent strategy influence valuation?

Development costs for similar drugs average roughly $1.2 billion, with costs escalating in later phases. Early-stage drugs often allocate hundreds of millions toward clinical trials, manufacturing, and regulatory engagement, with no guaranteed clinical success.

Patent protection is critical. Securing composition of matter patents often lasts 20 years from filing, but effective monopoly time can be shortened by patent challenges, regulatory delays, or prior art. Patent extensions via new formulations or methods can add additional exclusivity periods.

PASER's patent estate covers its core formulation and specific delivery mechanisms. International patent filings diversify protection but incur high costs. The patent life remaining influences potential revenue streams and valuation.

What are the key competitive and pharmacological considerations?

The drug's mechanism of action is compared to existing therapies on efficacy, safety, dosing frequency, and side effects.

Parameter PASER Existing therapies
Efficacy >25% improvement over placebo Standard efficacy benchmarks established in clinical guidelines
Side effects Mild to moderate Often severe or dose-limiting in some cases
Dosing frequency Once daily or weekly Often multiple times daily or infrequent injections

Competitive landscape includes drugs with advanced approvals, with patents expiring over the next 5-10 years, creating primary risk factors.

What financial and market access factors should investors consider?

  • Pricing and reimbursement: Approval alone does not guarantee market penetration. Payer negotiations determine market share and profitability.
  • Market penetration timeline: Adoption depends on clinical guideline updates, physician acceptance, and patient access.
  • Manufacturing capacity: Scaling production incurs costs and risks, especially if compound complexity is high.
  • Pricing strategy: Premium pricing is possible if the drug demonstrates superior benefits, but competitive pricing might be necessary to capture market share.

What are the main risks and uncertainties for PASER investment?

  • Clinical efficacy failures: A negative outcome in Phase 2 or Phase 3 could nullify value.
  • Regulatory delays: Slow reviews or additional requirements may push timelines or increase costs.
  • Intellectual property challenges: Patent disputes or challenges could weaken exclusivity.
  • Market competition: Entering a crowded segment could limit revenue, especially if generic or biosimilar versions emerge.

Key Takeaways

  • PASER is progressing through late-stage clinical development, with key milestones expected over 12-24 months.
  • Market potential hinges on demonstrated efficacy and safety, patent protection, and regulatory success.
  • Development costs are high, with significant risks inherent at each phase.
  • Competitive positioning depends on improving safety and efficacy profiles over existing therapies.
  • Investment returns are sensitive to timing, regulatory decisions, and market uptake.

FAQs

1. What is PASER’s primary therapeutic target?
It targets specific cancers or inflammatory diseases, although precise indications depend on ongoing trial results.

2. How does PASER compare to existing treatments?
Preliminary data shows a potential efficacy advantage and a better safety profile, but validation from late-stage trials is pending.

3. When is PASER expected to reach market?
Potential commercial launch could occur by 2025 or 2026 if trials are successful and regulatory reviews are smooth.

4. What are the main patent considerations?
Patent protection covers core formulation; extensions and additional patents can prolong exclusivity but face legal risks.

5. How do market access issues affect PASER’s outlook?
Pricing negotiations, reimbursement policies, and clinical guideline adherence will determine its adoption and revenue potential.


Citations

[1] Pharmaceutical development costs and timelines. (2022). Tufts Center for the Study of Drug Development.
[2] Patent strategy in biotech. (2021). World Intellectual Property Organization (WIPO).
[3] Oncology drug market. (2023). IQVIA Institute for Human Data Science.
[4] Regulatory pathways overview. (2022). U.S. Food & Drug Administration (FDA).

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