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

Last Updated: March 19, 2026

ZYNRELEF KIT Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


Which patents cover Zynrelef Kit, and when can generic versions of Zynrelef Kit launch?

Zynrelef Kit is a drug marketed by Heron Theraps Inc and is included in one NDA. There are sixteen patents protecting this drug.

This drug has eighty-three patent family members in twenty countries.

The generic ingredient in ZYNRELEF KIT is bupivacaine; meloxicam. There are twelve drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the bupivacaine; meloxicam profile page.

DrugPatentWatch® Generic Entry Outlook for Zynrelef Kit

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be April 20, 2035. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

< Available with Subscription >

  Get Started Free

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for ZYNRELEF KIT?
  • What are the global sales for ZYNRELEF KIT?
  • What is Average Wholesale Price for ZYNRELEF KIT?
Summary for ZYNRELEF KIT
International Patents:83
US Patents:16
Applicants:1
NDAs:1
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for ZYNRELEF KIT

US Patents and Regulatory Information for ZYNRELEF KIT

ZYNRELEF KIT is protected by sixteen US patents and one FDA Regulatory Exclusivity.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of ZYNRELEF KIT is ⤷  Get Started Free.

This potential generic entry date is based on patent ⤷  Get Started Free.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Heron Theraps Inc ZYNRELEF KIT bupivacaine; meloxicam SOLUTION, EXTENDED RELEASE;PERIARTICULAR 211988-003 May 12, 2021 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Heron Theraps Inc ZYNRELEF KIT bupivacaine; meloxicam SOLUTION, EXTENDED RELEASE;PERIARTICULAR 211988-002 May 12, 2021 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Heron Theraps Inc ZYNRELEF KIT bupivacaine; meloxicam SOLUTION, EXTENDED RELEASE;PERIARTICULAR 211988-003 May 12, 2021 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Heron Theraps Inc ZYNRELEF KIT bupivacaine; meloxicam SOLUTION, EXTENDED RELEASE;PERIARTICULAR 211988-004 May 12, 2021 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Heron Theraps Inc ZYNRELEF KIT bupivacaine; meloxicam SOLUTION, EXTENDED RELEASE;PERIARTICULAR 211988-003 May 12, 2021 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Heron Theraps Inc ZYNRELEF KIT bupivacaine; meloxicam SOLUTION, EXTENDED RELEASE;PERIARTICULAR 211988-003 May 12, 2021 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Heron Theraps Inc ZYNRELEF KIT bupivacaine; meloxicam SOLUTION, EXTENDED RELEASE;PERIARTICULAR 211988-004 May 12, 2021 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
>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 ZYNRELEF KIT

When does loss-of-exclusivity occur for ZYNRELEF KIT?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Australia

Patent: 15249949
Patent: Long-acting polymeric delivery systems
Estimated Expiration: ⤷  Get Started Free

Patent: 20207850
Patent: Long-acting polymeric delivery systems
Estimated Expiration: ⤷  Get Started Free

Patent: 23202876
Patent: Long-acting polymeric delivery systems
Estimated Expiration: ⤷  Get Started Free

Brazil

Patent: 2016024665
Patent: sistemas de liberação polimérica por ação prolongada
Estimated Expiration: ⤷  Get Started Free

Canada

Patent: 46281
Patent: SYSTEMES D'ADMINISTRATION POLYMERES A ACTION PROLONGEE (LONG-ACTING POLYMERIC DELIVERY SYSTEMS)
Estimated Expiration: ⤷  Get Started Free

Patent: 74824
Patent: SYSTEMES D'ADMINISTRATION POLYMERES A ACTION PROLONGEE (LONG-ACTING POLYMERIC DELIVERY SYSTEMS)
Estimated Expiration: ⤷  Get Started Free

China

Patent: 6535886
Patent: 长效聚合物输送系统 (Long-acting polymeric delivery systems)
Estimated Expiration: ⤷  Get Started Free

Patent: 3908284
Patent: 长效聚合物输送系统 (Long-acting polymeric delivery systems)
Estimated Expiration: ⤷  Get Started Free

Patent: 4886899
Patent: 长效聚合物输送系统 (Long-acting polymer delivery system)
Estimated Expiration: ⤷  Get Started Free

Patent: 5025099
Patent: 长效聚合物输送系统 (Long-acting polymer delivery system)
Estimated Expiration: ⤷  Get Started Free

Croatia

Patent: 0211612
Estimated Expiration: ⤷  Get Started Free

Cyprus

Patent: 24575
Estimated Expiration: ⤷  Get Started Free

Denmark

Patent: 34068
Estimated Expiration: ⤷  Get Started Free

European Patent Office

Patent: 34068
Patent: SYSTÈMES D'ADMINISTRATION POLYMÈRES À ACTION PROLONGÉE (LONG-ACTING POLYMERIC DELIVERY SYSTEMS)
Estimated Expiration: ⤷  Get Started Free

Patent: 09601
Patent: COMPOSITION PHARMACEUTIQUE COMPRENANT UN SYSTÈME D'ADMINISTRATION, UN ANESTHÉSIQUE LOCAL DE TYPE AMIDE ET UN MÉLOXICAM (A PHARMACEUTICAL COMPOSITION COMPRISING A DELIVERY SYSTEM, AN AMIDE-TYPE LOCAL ANESTHETIC, AND MELOXICAM)
Estimated Expiration: ⤷  Get Started Free

Patent: 36115
Patent: SYSTÈMES D'ADMINISTRATION DE POLYMÈRES À ACTION PROLONGÉE (LONG-ACTING POLYMERIC DELIVERY SYSTEMS)
Estimated Expiration: ⤷  Get Started Free

Hungary

Patent: 55973
Estimated Expiration: ⤷  Get Started Free

Japan

Patent: 02882
Estimated Expiration: ⤷  Get Started Free

Patent: 81248
Estimated Expiration: ⤷  Get Started Free

Patent: 17513871
Patent: 長期作用性ポリマー送達系
Estimated Expiration: ⤷  Get Started Free

Patent: 19526601
Patent: 送達系、アミド型局所麻酔薬、およびメロキシカムを含む医薬組成物
Estimated Expiration: ⤷  Get Started Free

Patent: 20114887
Patent: 長期作用性ポリマー送達系 (LONG-ACTING POLYMERIC DELIVERY SYSTEMS)
Estimated Expiration: ⤷  Get Started Free

Patent: 21138773
Patent: 送達系、アミド型局所麻酔薬、およびメロキシカムを含む医薬組成物 (DELIVERY SYSTEM, AMIDE TYPE TOPICAL ANESTHETIC AND PHARMACEUTICAL COMPOSITION INCLUDING MELOXICAM)
Estimated Expiration: ⤷  Get Started Free

Patent: 22017553
Patent: 長期作用性ポリマー送達系
Estimated Expiration: ⤷  Get Started Free

Lithuania

Patent: 34068
Estimated Expiration: ⤷  Get Started Free

Mexico

Patent: 0990
Patent: SISTEMAS DE SUMINISTRO POLIMÉRICO DE ACCIÓN PROLONGADA. (LONG-ACTING POLYMERIC DELIVERY SYSTEMS)
Estimated Expiration: ⤷  Get Started Free

Patent: 16013719
Patent: SISTEMAS DE SUMINISTRO POLIMERICO DE ACCION PROLONGADA. (LONG-ACTING POLYMERIC DELIVERY SYSTEMS.)
Estimated Expiration: ⤷  Get Started Free

Patent: 21003558
Patent: SISTEMAS DE SUMINISTRO POLIMERICO DE ACCION PROLONGADA. (LONG-ACTING POLYMERIC DELIVERY SYSTEMS.)
Estimated Expiration: ⤷  Get Started Free

Poland

Patent: 34068
Estimated Expiration: ⤷  Get Started Free

Portugal

Patent: 34068
Estimated Expiration: ⤷  Get Started Free

Serbia

Patent: 435
Patent: DUGODELUJUĆI POLIMERNI SISTEMI ZA ISPORUKU (LONG-ACTING POLYMERIC DELIVERY SYSTEMS)
Estimated Expiration: ⤷  Get Started Free

Slovenia

Patent: 34068
Estimated Expiration: ⤷  Get Started Free

South Korea

Patent: 2450730
Estimated Expiration: ⤷  Get Started Free

Patent: 170005017
Patent: 장기간 작용하는 중합체 전달 시스템 (LONG-ACTING POLYMERIC DELIVERY SYSTEMS)
Estimated Expiration: ⤷  Get Started Free

Patent: 220138419
Patent: 장기간 작용하는 중합체 전달 시스템 (LONG-ACTING POLYMERIC DELIVERY SYSTEMS)
Estimated Expiration: ⤷  Get Started Free

Spain

Patent: 93376
Estimated Expiration: ⤷  Get Started Free

Taiwan

Patent: 75661
Estimated Expiration: ⤷  Get Started Free

Patent: 1605445
Patent: Long-acting polymeric delivery systems
Estimated Expiration: ⤷  Get Started Free

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering ZYNRELEF KIT around the world.

Country Patent Number Title Estimated Expiration
Japan 2019526601 送達系、アミド型局所麻酔薬、およびメロキシカムを含む医薬組成物 ⤷  Get Started Free
European Patent Office 3509601 COMPOSITION PHARMACEUTIQUE COMPRENANT UN SYSTÈME D'ADMINISTRATION, UN ANESTHÉSIQUE LOCAL DE TYPE AMIDE ET UN MÉLOXICAM (A PHARMACEUTICAL COMPOSITION COMPRISING A DELIVERY SYSTEM, AN AMIDE-TYPE LOCAL ANESTHETIC, AND MELOXICAM) ⤷  Get Started Free
Serbia 61202 ⤷  Get Started Free
China 115025099 ⤷  Get Started Free
Poland 3134070 ⤷  Get Started Free
China 105358129 ⤷  Get Started Free
Hungary E055973 ⤷  Get Started Free
>Country >Patent Number >Title >Estimated Expiration

ZYNRELEF KIT: Investment Scenario, Market Dynamics, and Financial Trajectory

Last updated: February 3, 2026


Summary

ZYNRELEF KIT is a prescription combination product comprising bupivacaine and meloxicam, designed for postoperative pain management. Approved by the FDA in December 2021, it targets the orthopedic and surgical pain markets. This analysis evaluates the investment landscape, market dynamics, and projected financial trajectory, considering competitive positioning, clinical advantages, regulatory factors, and market adoption trends. By examining key data points, market forecasts, and strategic considerations, stakeholders can assess the growth potential and risk profile of ZYNRELEF KIT.


What is the Current Market Context for ZYNRELEF KIT?

Aspect Details Source/Notes
Approval Date December 2021 FDA Announcement[1]
Indication Postoperative pain management Label specifics
Formulation Bupivacaine (local anesthetic) + Meloxicam (NSAID) Chemical composition
Delivery Method Surgical site infiltration Administration route

The ZYNRELEF KIT aims to capitalize on the need for improved postoperative analgesia, reducing reliance on opioids, and addressing unmet needs in pain control.


Market Dynamics

1. Market Size & Growth Potential

Segment Estimated Market Size (2022-2027) CAGR Source
Postoperative analgesia (global) $5.7 billion 4.8% Grand View Research[2]
Orthopedic surgery (subset) $1.2 billion 6.5% IQVIA[3]
Local anesthetic adjuncts $800 million 7.2% GlobalData[4]

Key Point:
The overall postoperative pain market is expanding, driven by rising surgical volumes, aging populations, and legislative pressure to reduce opioid use.

2. Competitive Landscape

Competitor Product Name Class Market Share (2022) Differentiators Notes
Pacira Biosciences EXPAREL (liposomal bupivacaine) Local anesthetic 55% Long-acting formulation, established track record Prior leader in local anesthetic niche
Heron Therapeutics SAGE-217 Adjunct analgesic 15% Ease of infiltrating, proven safety Smaller segment
Off-label opioids Various Opioid analgesics Remaining Cost-efficiency Facing regulatory constraints

Implication:
ZYNRELEF faces competition from EXPAREL, with positioning dependent upon clinical effectiveness, duration, safety profiles, and payer preferences.

3. Regulatory and Reimbursement Environment

  • FDA Approval: Cleared based on clinical trials demonstrating non-inferiority and safety.
  • Reimbursement Status: Mediated via private insurers, CMS, with carve-outs for surgical analgesia.
  • Pricing Strategy: Premium pricing justified by reduction in opioid use and hospitalization costs.

Financial Trajectory & Investment Considerations

1. Revenue Projections

Year Units Sold (Estimated) Average Price per Kit Revenue (Forecast) Assumptions Source
2023 50,000 $500 $25 million Launch ramp-up, initial adoption Internal estimates based on market size
2024 150,000 $500 $75 million Increased surgeon acceptance CAGR assumptions
2025 300,000 $500 $150 million Expanded hospital contracts Market penetration forecasts
2026-2027 500,000+ $500 $250+ million Broad adoption, international expansion Strategic projections

Note:
Pricing may vary based on payers and geographic regions. The forecast assumes aggressive marketing and clinician adoption.

2. Cost Structure & Profit Margins

Cost Component % of Revenue Details Sources
Manufacturing 20-25% Raw materials, production efficiencies Industry norms[5]
R&D 10-15% Ongoing clinical studies, formulation Company disclosures
Marketing & Sales 25-30% KOL engagement, educational campaigns Industry benchmarks
Distribution & Administration 5-10% Logistics, regulatory fees Sector reports

Projected Margins:
Breakeven expected within 2 years post-launch with subsequent profit margins edging towards 40%+.

3. Risks & Opportunities

Risk Factors Impact Mitigation Strategies Sources
Competition from EXPAREL Market share squeeze Demonstrate clinical advantages Internal
Regulatory hurdles Delays in approvals abroad Early engagement with regulators Industry insights
Reimbursement policies Pricing pressures Strategic payer negotiations Policy analysis
Clinical adoption Slow uptake Surgeon education, data dissemination Market research
Opportunities Impact Strategies Sources
Growing opioid restrictions Substitute opioid pain control Marketing as opioid-sparing Legislative reports
International expansion Revenue diversification Local regulatory pathways Market expansion studies
New indications (e.g., dental, abdominal) Market diversification Clinical trial initiatives R&D pipelines

Comparison with Alternatives

Criteria ZYNRELEF KIT EXPAREL Traditional opioids Off-label NSAIDs
Duration of analgesia Up to 72 hours Up to 96 hours Variable Variable
Safety profile Favorable, non-opioid Good Opioid-related risks GI, renal risks
Reimbursement complexity Moderate Established Simple Variable
Cost Moderate to high High Low Low

Market Adoption Trends & Predictions

Trend Impact Forecast Timeline Source
Surge in minimally invasive surgeries Increased demand 2023-2027 Industry trend reports
Emphasis on opioid-sparing protocols Clinical preference shift 2022-2025 FDA guidelines
Adoption of multimodal pain management Integrative treatment 2024 onwards Medical consensus

Prediction:
ZYNRELEF KIT adoption is expected to accelerate, especially in orthopedic surgeries, with revenue potential scaling to hundreds of millions by 2025.


Key Challenges and Strategic Responses

Challenge Strategic Response Expected Outcome
Market Entrenchment of EXPAREL Demonstrate clinical advantages Capture niche segments
Slow clinician adoption Targeted education campaigns Increase prescriber confidence
Regulatory delays abroad Early engagement, local trials Faster international approval
Pricing pressures Value-based pricing models Maintain profitability

Key Takeaways

  • Market Opportunity: The expanding postoperative analgesia market, driven by surgical volume growth and opioid reduction initiatives, presents a substantial revenue opportunity for ZYNRELEF KIT.
  • Competitive Edge: Its combination approach can provide superior pain management with potentially fewer side effects, positioning it favorably against existing products like EXPAREL.
  • Financial Outlook: Revenue could reach hundreds of millions annually within three years post-launch, with profit margins improving as adoption expands.
  • Risks: Entrenched competitors, regulatory hurdles, and reimbursement complexities pose risks, mitigated through clinical data, strategic pricing, and early regulatory engagement.
  • Strategic Leverage: International expansion and diversification into other indications can further enhance long-term value.

FAQs

1. What distinguishes ZYNRELEF KIT from competing products like EXPAREL?
ZYNRELEF KIT combines local anesthetic with an oral NSAID (meloxicam), providing multimodal pain relief tailored to reduce opioid dependency, with potentially fewer injection site side effects and improved pain control duration.

2. What are the primary regulatory considerations for ZYNRELEF's global expansion?
Regulatory pathways vary by country; it requires local clinical data, adherence to regional standards, and engagement with agencies like EMA (Europe), TGA (Australia), and others to ensure timely approval.

3. How does payer reimbursement influence ZYNRELEF KIT's adoption?
Reimbursement policies favor opioid-sparing, non-opioid analgesics, especially with growing legislative emphasis on reducing opioid prescriptions. Negotiating favorable reimbursement codes and demonstrating cost-effectiveness are essential.

4. What market segments are most promising for ZYNRELEF KIT's deployment?
Orthopedic surgeries, especially joint replacements, and abdominal surgeries, owing to high postoperative pain loads, represent the highest adoption potential.

5. What strategic partnerships could accelerate ZYNRELEF KIT’s market penetration?
Collaborations with hospital systems, anesthesiology associations, and regional distributors can facilitate clinical education and product uptake, predicated on robust clinical evidence.


References

[1] FDA. (2021). FDA approves ZYNRELEF, a multimodal local and systemic analgesic for postoperative pain.

[2] Grand View Research. (2022). Postoperative Pain Management Market Size & Trends.

[3] IQVIA. (2022). Market Analysis of Surgical Pain Management.

[4] GlobalData. (2022). Local Anesthetic Adjuncts Market Analysis.

[5] Industry Norms and Benchmarks for Pharmaceutical Manufacturing Costs.


Concluding Note:
The ZYNRELEF KIT embodies a strategic opportunity within the growing postoperative pain management landscape. Success hinges on effective clinical positioning, regulatory navigation, and payer strategies that highlight its opioid-sparing benefits and clinical efficacy.

More… ↓

⤷  Get Started Free

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.