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Last Updated: March 30, 2025

CALAN SR Drug Patent Profile


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Which patents cover Calan Sr, and when can generic versions of Calan Sr launch?

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

The generic ingredient in CALAN SR is verapamil hydrochloride. There are seventeen drug master file entries for this compound. Forty-three suppliers are listed for this compound. Additional details are available on the verapamil hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Calan Sr

A generic version of CALAN SR was approved as verapamil hydrochloride by EXELA PHARMA on March 30th, 1984.

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Summary for CALAN SR
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 146
Drug Prices: Drug price information for CALAN SR
What excipients (inactive ingredients) are in CALAN SR?CALAN SR excipients list
DailyMed Link:CALAN SR at DailyMed
Drug patent expirations by year for CALAN SR
Drug Prices for CALAN SR

See drug prices for CALAN SR

US Patents and Regulatory Information for CALAN SR

ApplicantTradenameGeneric NameDosageNDAApproval DateTETypeRLDRSPatent No.Patent ExpirationProductSubstanceDelist Req.Exclusivity Expiration
Pfizer CALAN SR verapamil hydrochloride TABLET, EXTENDED RELEASE;ORAL 019152-001 Dec 16, 1986 DISCN Yes No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Pfizer CALAN SR verapamil hydrochloride TABLET, EXTENDED RELEASE;ORAL 019152-002 Dec 15, 1989 DISCN Yes No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Pfizer CALAN SR verapamil hydrochloride TABLET, EXTENDED RELEASE;ORAL 019152-003 Mar 6, 1991 DISCN Yes No ⤷  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

Market Dynamics and Financial Trajectory for CALAN SR

Introduction

CALAN SR, a calcium channel blocker containing verapamil hydrochloride, is widely used for the treatment of hypertension and certain types of angina. Understanding its market dynamics and financial trajectory is crucial for pharmaceutical companies, investors, and healthcare providers.

Pharmacological Profile and Indications

CALAN SR is indicated for the treatment of hypertension to lower blood pressure and reduce the risk of fatal and nonfatal cardiovascular events such as strokes and myocardial infarctions[1][4].

  • It works by decreasing systemic vascular resistance and reducing the total peripheral resistance against which the heart works, thereby lowering blood pressure and myocardial oxygen consumption.

Market Position

CALAN SR is part of the calcium channel blockers drug class, which is a significant segment in the cardiovascular therapeutic market.

  • The demand for calcium channel blockers is driven by the high prevalence of hypertension and cardiovascular diseases globally.
  • CALAN SR's extended-release formulation provides a competitive edge by offering a convenient dosing schedule, which can enhance patient compliance.

Pricing and Cost

The cost of CALAN SR varies based on the dosage and quantity of the tablets.

  • For example, a 100-tablet supply of 240 mg/12 hours extended-release tablets can cost around $938 for cash-paying customers, although generic versions are available at significantly lower prices (e.g., $21.57 for 30 tablets of the generic version)[5].

Generic Competition

The availability of generic versions of verapamil hydrochloride has a significant impact on the pricing and market share of CALAN SR.

  • Generic drugs are often priced much lower than their brand-name counterparts, which can lead to a shift in market share towards generic alternatives.
  • Despite this, the brand name and the extended-release formulation of CALAN SR may still maintain a loyal customer base due to its established reputation and convenience.

Patient Assistance Programs

To make CALAN SR more accessible, various patient assistance programs are available.

  • These programs provide financial assistance to eligible individuals to cover coinsurance, copayments, healthcare premiums, and deductibles[5].

Financial Performance

The financial performance of CALAN SR is influenced by several factors, including sales volume, pricing, and competition from generic and other branded drugs.

  • While specific financial data for CALAN SR is not publicly disclosed, the overall market for calcium channel blockers is substantial, driven by the chronic nature of hypertension and cardiovascular diseases.
  • Pharmaceutical companies often invest in marketing and patient education programs to maintain market share and drive sales.

Regulatory Environment

The regulatory environment plays a critical role in the financial trajectory of CALAN SR.

  • FDA approvals and labeling updates can impact the drug's indications and usage, potentially affecting sales and market position[1][4].
  • Compliance with regulatory requirements and maintaining good manufacturing practices are essential for continued market presence.

Patient Compliance and Adherence

Patient compliance is a key factor in the long-term financial success of CALAN SR.

  • The extended-release formulation of CALAN SR is designed to improve patient compliance by reducing the frequency of dosing.
  • Studies have shown that improved compliance can lead to better health outcomes and reduced healthcare costs in the long run.

Market Trends

The market for cardiovascular drugs is evolving, with a focus on personalized medicine and innovative delivery systems.

  • Trends towards value-based healthcare and outcomes-based reimbursement models can influence the financial trajectory of drugs like CALAN SR.
  • The increasing prevalence of hypertension and cardiovascular diseases in aging populations is expected to drive demand for effective antihypertensive medications.

Competitive Landscape

The competitive landscape for CALAN SR includes other calcium channel blockers and antihypertensive drugs.

  • Competitors may offer similar or alternative treatments, which can impact market share and pricing strategies.
  • Differentiation through clinical efficacy, safety profile, and patient convenience can help CALAN SR maintain its market position.

Future Outlook

The future outlook for CALAN SR is influenced by several factors, including demographic changes, healthcare policy, and technological advancements.

  • An aging population and increasing prevalence of cardiovascular diseases are expected to sustain demand for antihypertensive medications.
  • Continuous innovation in drug delivery systems and patient assistance programs can help maintain market share and financial performance.

Key Takeaways

  • Market Demand: Driven by the high prevalence of hypertension and cardiovascular diseases.
  • Pricing and Competition: Affected by generic competition and patient assistance programs.
  • Regulatory Environment: FDA approvals and labeling updates are crucial.
  • Patient Compliance: Extended-release formulation improves compliance.
  • Market Trends: Focus on personalized medicine and value-based healthcare.
  • Competitive Landscape: Differentiation through clinical efficacy and patient convenience is key.

FAQs

  1. What is CALAN SR used for? CALAN SR is used for the treatment of hypertension to lower blood pressure and reduce the risk of fatal and nonfatal cardiovascular events.

  2. How does CALAN SR work? CALAN SR works by decreasing systemic vascular resistance and reducing the total peripheral resistance against which the heart works, thereby lowering blood pressure and myocardial oxygen consumption.

  3. Is there a generic version of CALAN SR available? Yes, generic versions of verapamil hydrochloride are available at significantly lower prices than the brand-name CALAN SR.

  4. What are the potential side effects of CALAN SR? Potential side effects include atrioventricular block, sinus arrest or sinoatrial block in patients with sick sinus syndrome, and acceleration of ventricular rate in patients with atrial flutter or atrial fibrillation and a coexisting accessory AV pathway[1][4].

  5. Are there patient assistance programs available for CALAN SR? Yes, various patient assistance programs are available to help eligible individuals cover the costs associated with CALAN SR.

Sources

  1. CALAN® SR (Verapamil Hydrochloride) Extended-Release Tablets - FDA Label[1].
  2. F&M Bank and F&M Financial Services Announce the Promotion of Calan Jansen to Senior Vice President - F&M Bank[2].
  3. Molecular dynamics simulations and ... - Frontiers in Chemistry[3].
  4. verapamil hydrochloride tablet, film coated - FDA Label[4].
  5. Calan SR Prices, Coupons, Copay Cards & Patient Assistance - Drugs.com[5].

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