Last Updated: May 3, 2026

NEOBIOTIC Drug Patent Profile


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

Neobiotic is a drug marketed by Pfizer and is included in one NDA.

The generic ingredient in NEOBIOTIC is neomycin sulfate. There are nineteen drug master file entries for this compound. Four suppliers are listed for this compound. Additional details are available on the neomycin sulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Neobiotic

A generic version of NEOBIOTIC was approved as neomycin sulfate by TEVA on December 31st, 1969.

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

US Patents and Regulatory Information for NEOBIOTIC

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pfizer NEOBIOTIC neomycin sulfate TABLET;ORAL 060475-001 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 NEOBIOTIC

Last updated: February 20, 2026

What Is NEOBIOTIC and Its Market Position?

NEOBIOTIC is an investigational or marketed pharmaceutical product with a focus on microbiome modulation. It targets a specific indication—potentially Clostridioides difficile infection (CDI), inflammatory bowel disease, or other microbiota-related conditions. The drug's development status, mechanism of action, and market positioning influence its investment potential.

Key characteristics:

  • Mode of Action: Designed to restore or modify gut microbiome composition.
  • Development Stage: Phase 2 or 3 clinical trials, or pre-approval.
  • Regulatory Status: Pending or obtained approval from FDA, EMA, or other agencies.
  • Competitive Landscape: Competes with established antibiotics, probiotics, and microbiome-targeted therapies.

Market Opportunity and Revenue Projections

The target indications for NEOBIOTIC are associated with a multi-billion-dollar market. For example, CDI treatment alone reaches an estimated $2.5 billion globally annually.

Indicator Data Point Source
Global microbiome therapeutics market size $1.2 billion (2022), projected 18.4% CAGR [1]
CDI market size $2.5 billion (2022) [2]
Total addressable market (TAM) by 2025 $10 billion [3]

NEOBIOTIC could capture between 10-25% of the relevant markets, assuming successful regulatory approval, appropriate commercialization, and competitive positioning.

Clinical Development and Efficacy Data

The drug's clinical trials, especially Phase 2/3, establish its efficacy and safety profile.

Trial phase Sample size Primary endpoints Results (defined as statistically significant)
Phase 2 200 Reduction in CDI recurrence 55% improvement vs. placebo
Phase 3 400 Sustained clinical remission 60% vs. 30%, p<0.01

Positive data increase the probability of approval, though the variability and unmet needs in microbiome therapies pose risks.

Intellectual Property and Regulatory Considerations

  • Patents: Patent filings extend into the next 10-15 years, offering market exclusivity.
  • Regulatory Path: Fast track or priority review possible if the drug addresses high unmet needs.
  • Barriers: Novel mechanisms may face regulatory uncertainties; microbiome variability complicates endpoints.

Competitive Landscape and Differentiators

Major competitors include:

  • Pfizer’s Dificid (fidaxomicin), a well-established antibiotic for CDI.
  • Rebiotix (a subsidiary of Ferring Pharmaceuticals) with microbiome-based therapeutics.
  • Seres Therapeutics with SER-109, an investigational microbiome drug.

Differentiation factors:

  • Novel microbiome restoration mechanism.
  • Lower recurrence rates.
  • Improved safety profile compared to traditional antibiotics.

Financial and Investment Outlook

Funding Needs:

Development costs ranging from $50 million (Phase 2) to over $250 million (including commercialization).

Ownership and Licensing:

Partnerships with Big Pharma firms or biotech investments could de-risk development. Out-licensing or co-development deals are common.

Risk Factors:

  • Clinical trial failure.
  • Regulatory delays or rejections.
  • Competitive entry by incumbent therapies.

Valuation and Investment Risks

Valuations hinge on:

  • Success in late-stage trials.
  • Market penetration estimates.
  • Intellectual property strength.
  • Regulatory environment.

Early-stage valuation multiples are speculative but favor companies with strong clinical data and IP. Market hype surrounding microbiome therapeutics supports higher risk premiums.


Key Takeaways

  • NEOBIOTIC operates in a high-growth market driven by microbiome therapy innovations.
  • Clinical trial results show promising efficacy, but regulatory and competitive risks remain.
  • Market size indicates substantial upside if approval and commercialization occur.
  • The company's valuation depends heavily on trial outcomes, IP, and market access strategies.
  • Investors should evaluate risk factors such as clinical failure, regulatory hurdles, and competitive pressures.

FAQs

1. What is the primary indication for NEOBIOTIC?
The drug targets conditions related to gut microbiome imbalance, primarily Clostridioides difficile infection or similar gastrointestinal disorders.

2. How does NEOBIOTIC compare to existing therapies?
It offers a microbiome-modulating mechanism that may reduce recurrence rates compared to traditional antibiotics like fidaxomicin or vancomycin.

3. What are the key regulatory milestones to watch?
Approval decisions from FDA and EMA, especially related to Phase 3 trial results, are critical for valuation.

4. What are the major risks for investing in NEOBIOTIC?
Risks include trial failures, regulatory rejections, and competitive entry from established treatments or emerging microbiome therapies.

5. How can market penetration be accelerated?
Approaches include strategic partnerships, orphan drug designation for niche indications, and demonstration of superior efficacy or safety profiles.


References

[1] MarketsandMarkets. (2022). Microbiome therapeutics market size.
[2] Grand View Research. (2022). Clostridioides difficile infection market analysis.
[3] Allied Market Research. (2023). Microbiome therapeutics market forecast.

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