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Last Updated: April 15, 2025

Mechanism of Action: N-Calcium Channel Receptor Antagonists


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Drugs with Mechanism of Action: N-Calcium Channel Receptor Antagonists

ApplicantTradenameGeneric NameDosageNDAApproval DateTETypeRLDRSPatent No.Patent ExpirationProductSubstanceDelist Req.Exclusivity Expiration
Tersera PRIALT ziconotide acetate INJECTABLE;INTRATHECAL 021060-002 Dec 28, 2004 RX Yes Yes ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Tersera PRIALT ziconotide acetate INJECTABLE;INTRATHECAL 021060-003 Dec 28, 2004 DISCN No No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Tersera PRIALT ziconotide acetate INJECTABLE;INTRATHECAL 021060-001 Dec 28, 2004 RX Yes Yes ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
>Applicant>Tradename>Generic Name>Dosage>NDA>Approval Date>TE>Type>RLD>RS>Patent No.>Patent Expiration>Product>Substance>Delist Req.>Exclusivity Expiration
Showing 1 to 3 of 3 entries

N-Calcium Channel Receptor Antagonists Market Analysis and Financial Projection

The market for N-type calcium channel receptor antagonists is evolving amid broader growth in the calcium channel blocker (CCB) sector, driven by cardiovascular demand and innovation in pain management. Here's a detailed analysis:


Market Overview

The global calcium channel blocker market, valued at $15.56 billion in 2024, is projected to grow at a 6.8% CAGR to $16.62 billion in 2025, reaching $22.07 billion by 2029[1]. While dihydropyridines (e.g., amlodipine) dominate the broader CCB market for hypertension[7], N-type calcium channel blockers represent a specialized segment focused on neuropathic pain (NP) and chronic conditions. Key drivers include:

  • Rising cardiovascular disease burden: Hypertension, arrhythmias, and angina are primary indications, with 162 million U.S. adults projected to have hypertension by 2060[1].
  • Neuropathic pain prevalence: Over 20% of adults globally suffer from chronic pain, creating demand for non-opioid alternatives[6][8].

Key Market Drivers for N-Type Antagonists

  1. Non-Opioid Pain Management:

    • Ziconotide (Prialt), an N-type blocker derived from cone snail venom, is the only FDA-approved intrathecal therapy for severe refractory pain[6]. It avoids opioid tolerance but requires invasive delivery[2][8].
    • Pipeline Innovation: Compounds like C2230 show promise with state-dependent blocking, selectively inhibiting hyperactive neurons in pain states. Preclinical studies highlight systemic and intranasal efficacy without tolerance[2][8].
  2. Cardiovascular Expansion:

    • While N-type blockers are less common here, CCBs like amlodipine (a dihydropyridine) drive market growth, with innovations such as Norliqva (oral liquid amlodipine) improving patient compliance[1][7].
  3. Regional Growth:

    • North America leads due to high cardiovascular prevalence and advanced healthcare, contributing $6.1 billion (2025)[5][12].
    • Asia-Pacific is rising via generic drug production and government initiatives[9][12].

Patent Landscape

Recent patents reflect efforts to overcome historical challenges (e.g., peptide limitations, poor bioavailability):

Patent/Innovation Focus Significance
CN-1976920-A [4] 3-amino pyrrolidine derivatives Targets N-type channels for pain, expanding small-molecule options.
US8569344B2 [10] N-piperidinyl acetamide derivatives Explores T-type blockade but informs broader calcium channel drug design.
RD2 & C2230 [8] State-dependent blockers Reduces off-target effects; C2230 enables intranasal delivery for trigeminal pain.

Challenges

  • Delivery Limitations: Ziconotide’s intrathecal requirement restricts use[6]. Oral/non-invasive alternatives remain under development[2].
  • Clinical Trial Failures: Prior candidates (e.g., CNV2197944, Z160) failed in phase II trials despite preclinical promise[8].
  • Competition: Nav1.7/1.8 sodium and T-type calcium channel targets divert R&D focus[8].

Future Directions

  1. Novel Formulations: Non-peptide small molecules (e.g., C2230) and nanotechnology applications aim to improve bioavailability[6][8].
  2. Expanded Indications: Intranasal delivery for trigeminal neuralgia and peripheral nerve targets[8].
  3. Personalized Medicine: Biomarker-driven approaches to optimize N-type blocker efficacy in subsets of pain patients.

Key Takeaways

  • The N-type CCB niche is poised for growth, driven by unmet pain management needs and innovative drug design.
  • Patent activity emphasizes state-dependent blockers and alternative delivery routes to bypass historical limitations.
  • North America’s dominance hinges on clinical R&D, while Asia-Pacific leverages generics and cost-effective production.

"The identification of C2230 as a state-dependent N-type channel blocker represents a notable advancement in pain management, addressing hyperactive neurons while minimizing systemic side effects." [2][8]

References

  1. https://www.thebusinessresearchcompany.com/report/calcium-channel-blocker-global-market-report
  2. https://www.jci.org/articles/view/189308
  3. https://www.coherentmarketinsights.com/market-insight/calcium-channel-blocker-drugs-market-5153
  4. https://pubchem.ncbi.nlm.nih.gov/patent/CN-1976920-A
  5. https://www.cognitivemarketresearch.com/regional-analysis/north-america-calcium-channel-blockers-market-report
  6. https://www.explorationpub.com/Journals/em/Article/1001126
  7. https://www.maximizemarketresearch.com/market-report/global-calcium-channel-blocker-market/117028/
  8. https://pmc.ncbi.nlm.nih.gov/articles/PMC11827886/
  9. https://www.databridgemarketresearch.com/reports/global-calcium-channel-blocker-market
  10. https://patents.google.com/patent/US8569344B2/en
  11. https://pubmed.ncbi.nlm.nih.gov/1330367/
  12. https://www.mordorintelligence.com/industry-reports/calcium-channel-blocker-market
  13. https://patents.google.com/patent/AU3390499A/en

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