Bolasterone: Difference between revisions

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'''Bolasterone''' is a [[synthetic]] and [[orally active]] [[anabolic–androgenic steroid]] (AAS) and a [[17α-alkylated]] [[derivative]] of [[testosterone]] that was marketed in the [[United States]] in the 1960s. It is a [[controlled substance]] in many countries and is not approved by the [[Food and Drug Administration]] (FDA) for medical use.
{{Short description|Anabolic steroid}}
{{Use dmy dates|date=October 2023}}


== History ==
==Bolasterone==
[[File:Bolasterone.png|thumb|right|Chemical structure of Bolasterone]]
'''Bolasterone''' is a synthetic [[anabolic steroid]] that was first developed in the 1950s. It is known for its ability to promote muscle growth and increase strength, making it popular among bodybuilders and athletes. However, its use is associated with significant side effects and it is classified as a controlled substance in many countries.


Bolasterone was first described in the literature in 1959. It was developed by the pharmaceutical company [[Upjohn]] and was marketed in the United States in the 1960s under the brand name Myagen. The drug was withdrawn from the market in the 1970s due to concerns about its potential for [[hepatotoxicity]].
==Chemical Properties==
Bolasterone is a derivative of [[testosterone]], the primary male [[sex hormone]] and [[anabolic steroid]]. It is chemically known as 7_,17_-dimethyl-17_-hydroxyandrost-4-en-3-one. The addition of methyl groups at the 7_ and 17_ positions increases its oral bioavailability and anabolic activity.


== Pharmacology ==
==Pharmacology==
Bolasterone exhibits strong [[anabolic]] effects with moderate [[androgenic]] properties. It binds to the [[androgen receptor]]s in muscle tissue, promoting protein synthesis and muscle growth. Its anabolic to androgenic ratio is higher than that of testosterone, making it more effective in building muscle mass with fewer androgenic side effects.


As an AAS, bolasterone is an [[agonist]] of the [[androgen receptor]] (AR), similarly to androgens like testosterone and [[dihydrotestosterone]] (DHT). It has strong anabolic effects and moderate androgenic effects, which make it useful for building muscle mass in athletes and bodybuilders.
==Medical Uses==
Historically, bolasterone was used in the treatment of conditions such as [[muscle wasting]] and [[osteoporosis]]. However, due to its potential for abuse and adverse effects, its medical use has become limited.


== Side effects ==
==Side Effects==
The use of bolasterone can lead to a range of side effects, including:
* [[Liver toxicity]] due to its 17_-alkylated structure.
* [[Gynecomastia]] (development of breast tissue in men) due to its estrogenic activity.
* [[Acne]] and [[oily skin]] as a result of increased sebum production.
* [[Hair loss]] and [[hirsutism]] (excessive hair growth) due to its androgenic effects.
* Suppression of natural [[testosterone]] production, leading to [[hypogonadism]].


The side effects of bolasterone are similar to those of other AAS. These may include [[acne]], [[alopecia]] (hair loss), [[gynecomastia]] (breast development in men), [[virilization]] in women, and [[aggression]] and [[mood changes]] in both sexes. More serious side effects may include [[liver damage]], [[cardiovascular disease]], and [[hypogonadism]] (reduced function of the gonads).
==Legal Status==
Bolasterone is classified as a [[Schedule III controlled substance]] under the [[Anabolic Steroid Control Act]] in the United States. It is banned by most major sports organizations, including the [[World Anti-Doping Agency]] (WADA).


== Legal status ==
==Related Compounds==
Bolasterone is structurally related to other anabolic steroids such as [[methandrostenolone]] and [[oxandrolone]]. These compounds share similar anabolic properties but differ in their androgenic effects and side effect profiles.


Bolasterone is a controlled substance in many countries, including the United States, Canada, and the United Kingdom. It is classified as a Schedule III drug under the [[Controlled Substances Act]] in the United States.
==See Also==
* [[Anabolic steroid]]
* [[Testosterone]]
* [[Androgen receptor]]
* [[Steroid hormone]]


== See also ==
==Related Pages==
 
* [[Anabolic steroid use in sports]]
* [[List of androgens/anabolic steroids]]
* [[Steroid metabolism]]
* [[List of Schedule III drugs (US)]]
* [[Hormone replacement therapy]]


[[Category:Anabolic steroids]]
[[Category:Androgens and anabolic steroids]]
[[Category:Androgens and anabolic steroids]]
[[Category:Controlled substances]]
[[Category:Controlled substances]]
[[Category:Drugs with unknown mechanisms of action]]
[[Category:Hepatotoxins]]
[[Category:Human drug metabolites]]
[[Category:Synthetic estrogens]]
[[Category:Upjohn compounds]]
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Latest revision as of 03:30, 13 February 2025

Anabolic steroid



Bolasterone[edit]

File:Bolasterone.png
Chemical structure of Bolasterone

Bolasterone is a synthetic anabolic steroid that was first developed in the 1950s. It is known for its ability to promote muscle growth and increase strength, making it popular among bodybuilders and athletes. However, its use is associated with significant side effects and it is classified as a controlled substance in many countries.

Chemical Properties[edit]

Bolasterone is a derivative of testosterone, the primary male sex hormone and anabolic steroid. It is chemically known as 7_,17_-dimethyl-17_-hydroxyandrost-4-en-3-one. The addition of methyl groups at the 7_ and 17_ positions increases its oral bioavailability and anabolic activity.

Pharmacology[edit]

Bolasterone exhibits strong anabolic effects with moderate androgenic properties. It binds to the androgen receptors in muscle tissue, promoting protein synthesis and muscle growth. Its anabolic to androgenic ratio is higher than that of testosterone, making it more effective in building muscle mass with fewer androgenic side effects.

Medical Uses[edit]

Historically, bolasterone was used in the treatment of conditions such as muscle wasting and osteoporosis. However, due to its potential for abuse and adverse effects, its medical use has become limited.

Side Effects[edit]

The use of bolasterone can lead to a range of side effects, including:

Legal Status[edit]

Bolasterone is classified as a Schedule III controlled substance under the Anabolic Steroid Control Act in the United States. It is banned by most major sports organizations, including the World Anti-Doping Agency (WADA).

Related Compounds[edit]

Bolasterone is structurally related to other anabolic steroids such as methandrostenolone and oxandrolone. These compounds share similar anabolic properties but differ in their androgenic effects and side effect profiles.

See Also[edit]

Related Pages[edit]