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Last Updated: December 23, 2024

METHYCLOTHIAZIDE; PARGYLINE HYDROCHLORIDE - Generic Drug Details


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What are the generic sources for methyclothiazide; pargyline hydrochloride and what is the scope of freedom to operate?

Methyclothiazide; pargyline hydrochloride is the generic ingredient in one branded drug marketed by Abbott and is included in one NDA. Additional information is available in the individual branded drug profile pages.

Summary for METHYCLOTHIAZIDE; PARGYLINE HYDROCHLORIDE
US Patents:0
Tradenames:1
Applicants:1
NDAs:1
DailyMed Link:METHYCLOTHIAZIDE; PARGYLINE HYDROCHLORIDE at DailyMed

US Patents and Regulatory Information for METHYCLOTHIAZIDE; PARGYLINE HYDROCHLORIDE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Abbott EUTRON methyclothiazide; pargyline hydrochloride TABLET;ORAL 016047-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

METHYCLOTHIAZIDE; PARGYLINE HYDROCHLORIDE Market Analysis and Financial Projection Experimental

Market Dynamics and Financial Trajectory for Methyclothiazide and Pargyline Hydrochloride

Introduction

Understanding the market dynamics and financial trajectory of specific pharmaceuticals is crucial for both industry stakeholders and healthcare professionals. This article delves into the market and financial aspects of two drugs: methyclothiazide, a thiazide diuretic, and pargyline hydrochloride, a monoamine oxidase inhibitor (MAOI).

Methyclothiazide

Medical Uses

Methyclothiazide is a thiazide diuretic used to treat conditions such as high blood pressure (hypertension), fluid retention (edema) caused by congestive heart failure, severe liver disease (cirrhosis), and kidney disease. It works by increasing urine flow, thereby reducing the amount of water in the body and lowering blood pressure[4].

Market Position

Thiazide diuretics, including methyclothiazide, have been a cornerstone in the treatment of hypertension and edema for decades. The market for these drugs is relatively stable due to their established efficacy and widespread use. However, the introduction of newer antihypertensive agents has led to some competition.

Sales and Promotion

The sales of methyclothiazide are influenced by its prescription rates and the overall demand for diuretics. In markets where diuretics are commonly prescribed, methyclothiazide tends to maintain a steady market share. Promotion strategies often focus on highlighting its effectiveness and safety profile compared to other diuretics.

Financial Trajectory

The financial performance of methyclothiazide is generally stable, with consistent sales over the years. However, the generic nature of many thiazide diuretics means that the profit margins may be lower compared to branded, patented drugs. The consolidation of generic drug manufacturers can sometimes lead to fluctuations in supply and pricing, but overall, methyclothiazide remains a profitable drug due to its widespread use.

Pargyline Hydrochloride

Medical Uses

Pargyline hydrochloride, sold under the brand name Eutonyl, was used primarily as an antihypertensive agent. It is a monoamine oxidase inhibitor (MAOI) that was also studied for its potential as an antidepressant, although it was never licensed for this use. The drug was particularly effective in reducing blood pressure, especially when patients were standing[5].

Market Position

Pargyline hydrochloride was introduced in the 1960s and was part of a class of MAOIs that gained popularity during that era. However, its use was limited due to significant side effects and interactions, including intolerance-type reactions with alcohol similar to disulfiram[5].

Sales and Promotion

The sales of pargyline hydrochloride peaked in the 1960s and 1970s but declined significantly due to its side effects and the introduction of safer, more effective antihypertensive drugs. The promotional efforts for pargyline were hampered by its clinical limitations, leading to a decline in its market share over time.

Financial Trajectory

The financial trajectory of pargyline hydrochloride was marked by an initial surge in sales following its introduction but subsequently declined. By the early 2000s, the drug's sales had significantly diminished, and it was eventually discontinued worldwide by 2007. The discontinuation was largely due to its limited therapeutic window and the availability of better alternatives.

Market Dynamics Comparison

Competition and Market Concentration

In the market for diuretics, methyclothiazide faces competition from other thiazide diuretics and newer classes of antihypertensive drugs. However, the market for diuretics is less concentrated compared to the market for MAOIs during pargyline's peak, where a few dominant players controlled a significant share of the market[1].

Regulatory Environment

The regulatory environment has played a crucial role in the trajectory of both drugs. For methyclothiazide, regulatory approvals and continued prescription have ensured its stability in the market. For pargyline, regulatory scrutiny and safety concerns led to its eventual discontinuation.

Patient and Prescriber Preferences

Patient and prescriber preferences have also influenced the market dynamics. Methyclothiazide remains a preferred option due to its well-established safety and efficacy profile. In contrast, pargyline's side effects and interactions made it less favorable, leading to a decline in prescriptions.

Economic Impact

Generic Drug Shortages

The economic impact of generic drug shortages, as seen with selegiline (a related MAOI), can be significant. For methyclothiazide, such shortages are less common due to its widespread availability from multiple manufacturers. However, any shortage could lead to increased costs and reduced access to treatment, similar to the economic implications observed with selegiline shortages[3].

Healthcare Costs

The healthcare costs associated with methyclothiazide are generally lower due to its generic status and widespread use. In contrast, the costs associated with pargyline were higher during its peak, partly due to its branded status and the need for careful monitoring due to its side effects.

Key Takeaways

  • Methyclothiazide remains a stable and widely used drug in the treatment of hypertension and edema, with a consistent financial trajectory.
  • Pargyline hydrochloride saw a decline in sales and was eventually discontinued due to its side effects and the availability of safer alternatives.
  • Market dynamics, including competition, regulatory environment, and patient preferences, significantly influence the financial trajectory of pharmaceuticals.
  • Economic impacts such as generic drug shortages and healthcare costs must be considered when evaluating the market and financial aspects of drugs.

FAQs

What is methyclothiazide used for?

Methyclothiazide is used to treat high blood pressure (hypertension), fluid retention (edema) caused by congestive heart failure, severe liver disease (cirrhosis), and kidney disease.

Why was pargyline hydrochloride discontinued?

Pargyline hydrochloride was discontinued due to its significant side effects and interactions, including intolerance-type reactions with alcohol, and the availability of safer and more effective antihypertensive drugs.

How does the market for diuretics compare to the market for MAOIs?

The market for diuretics is less concentrated and more stable compared to the market for MAOIs during pargyline's peak, where a few dominant players controlled a significant share of the market.

What are the economic implications of generic drug shortages?

Generic drug shortages can lead to increased costs, reduced access to treatment, and significant economic impacts on healthcare systems, as observed with selegiline shortages.

Why is methyclothiazide still widely prescribed?

Methyclothiazide is still widely prescribed due to its well-established safety and efficacy profile, making it a preferred option for treating hypertension and edema.

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