Triparanol: Difference between revisions

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'''Triparanol''' is a [[cholesterol]]-lowering drug that was introduced in the 1960s by [[Merrell Pharmaceuticals]]. It was marketed under the brand name '''MER/29''' and was used to treat [[hypercholesterolemia]], a condition characterized by high levels of cholesterol in the blood. However, the drug was withdrawn from the market in 1962 due to serious side effects, including cataracts, hair loss, and skin abnormalities.
{{Short description|A synthetic cholesterol-lowering drug}}
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== History ==
'''Triparanol''' was a cholesterol-lowering drug that was developed in the 1950s and marketed in the early 1960s. It was withdrawn from the market due to adverse effects.


Triparanol was first synthesized in 1959 by a team of scientists at Merrell Pharmaceuticals. The drug was initially hailed as a breakthrough in the treatment of hypercholesterolemia and was widely prescribed by doctors. However, reports of serious side effects began to emerge soon after its introduction. In 1962, the [[Food and Drug Administration]] (FDA) ordered the withdrawal of Triparanol from the market.
==History==
Triparanol was introduced as a cholesterol-lowering agent in the early 1960s. It was marketed under the brand name MER/29. The drug was one of the first synthetic agents used to lower cholesterol levels in the blood.


== Mechanism of Action ==
==Mechanism of Action==
Triparanol works by inhibiting the enzyme [[desmosterol]] _24-reductase, which is involved in the biosynthesis of [[cholesterol]]. This inhibition leads to the accumulation of desmosterol, a precursor in the cholesterol synthesis pathway, and a reduction in cholesterol levels.


Triparanol works by inhibiting the enzyme [[HMG-CoA reductase]], which is involved in the production of cholesterol in the body. By blocking this enzyme, Triparanol reduces the amount of cholesterol produced, thereby lowering the levels of cholesterol in the blood.
==Adverse Effects==
Despite its effectiveness in lowering cholesterol, Triparanol was associated with several adverse effects. Patients reported side effects such as cataracts, alopecia, and skin disorders. These adverse effects were significant enough to lead to the withdrawal of the drug from the market.


== Side Effects ==
==Withdrawal from the Market==
Due to the severe side effects, Triparanol was withdrawn from the market in 1962. The withdrawal highlighted the importance of thorough drug testing and monitoring for adverse effects.


The side effects of Triparanol include [[cataracts]], hair loss, and skin abnormalities. These side effects are believed to be caused by the drug's inhibition of the production of [[sterol]], a type of lipid that is essential for the normal functioning of cells.
==Legacy==
The case of Triparanol is often cited in discussions about drug safety and the importance of post-marketing surveillance. It serves as a reminder of the potential risks associated with new pharmaceuticals and the need for rigorous clinical trials.


== Legacy ==
==Related pages==
* [[Cholesterol]]
* [[Desmosterol]]
* [[Drug safety]]


Despite its withdrawal from the market, Triparanol has had a lasting impact on the field of cholesterol-lowering drugs. The drug's mechanism of action served as a model for the development of [[statins]], a class of drugs that are now widely used to treat hypercholesterolemia.
[[Category:Cholesterol-lowering drugs]]
 
[[Category:Withdrawn drugs]]
[[Category:Drugs]]
== Triparanol ==
[[Category:Cholesterol]]
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[[Category:Pharmaceuticals]]
File:Triparanol.svg|Triparanol
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Latest revision as of 01:43, 20 February 2025

A synthetic cholesterol-lowering drug


Triparanol
File:Triparanol.svg
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Triparanol was a cholesterol-lowering drug that was developed in the 1950s and marketed in the early 1960s. It was withdrawn from the market due to adverse effects.

History[edit]

Triparanol was introduced as a cholesterol-lowering agent in the early 1960s. It was marketed under the brand name MER/29. The drug was one of the first synthetic agents used to lower cholesterol levels in the blood.

Mechanism of Action[edit]

Triparanol works by inhibiting the enzyme desmosterol _24-reductase, which is involved in the biosynthesis of cholesterol. This inhibition leads to the accumulation of desmosterol, a precursor in the cholesterol synthesis pathway, and a reduction in cholesterol levels.

Adverse Effects[edit]

Despite its effectiveness in lowering cholesterol, Triparanol was associated with several adverse effects. Patients reported side effects such as cataracts, alopecia, and skin disorders. These adverse effects were significant enough to lead to the withdrawal of the drug from the market.

Withdrawal from the Market[edit]

Due to the severe side effects, Triparanol was withdrawn from the market in 1962. The withdrawal highlighted the importance of thorough drug testing and monitoring for adverse effects.

Legacy[edit]

The case of Triparanol is often cited in discussions about drug safety and the importance of post-marketing surveillance. It serves as a reminder of the potential risks associated with new pharmaceuticals and the need for rigorous clinical trials.

Related pages[edit]

Triparanol[edit]