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estrogen management in men with low testosterone  (Low-T) using arimidex and anastrozole

Arimidex

(Anastrozole)

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Gettting started with Arimidex

What is Anastrozole?


Anastrozole is the active ingredient in Arimidex, a drug that falls under the category of an aromatase inhibitor (AI).

Aromatase is an enzyme that converts testosterone into estradiol, the primary form of estrogen in men. An aromatase inhibitor, then, such as Anastrozole, can prevent the breakdown of testosterone by raising testosterone levels and reducing estradiol levels.

The U.S. Food & Drug Administration (FDA) has not approved the use of Anastrozole for any purposes or indications in men. Instead, a physician may prescribe Arimidex for off-label use as a safe and effective way to reduce elevated estradiol levels in men receiving testosterone replacement therapy (TRT). Consult with a REGENX Health provider to see if you’re a candidate for therapy.




What role does estrogen have in men?


Though estrogen is commonly associated with female physiology, it also has a key role in male physiology, including libido, bone and vascular health, erectile function, and spermatogenesis.

The predominate form of male estrogen is called estradiol. Estradiol forms from aromatizing testosterone in primarily two areas: the peripheral tissues (fat cells) and the Leydig cells in the testicles. Adrenal glands play a small role in aromatizing androstenedione into estrone, which is then converted to estradiol.

Estradiol is essential to male bone development. Several studies indicate that low levels of both total estradiol and bioavailable estradiol are associated with an increased rate of bone loss, bone resorption, and an increased rate of osteoporotic fractures.

Estradiol is also important to cardiovascular health, particularly in assisting in the prevention of plaque building and preventing atherogenesis (formation of plaques in arteries).




How is estrogen produced in men?


Estrogen in humans is found in three forms: estrone (E1), estradiol (E2), and estriol (E3). Of these, estradiol (E2) has the most affinity for estrogen receptors and is therefore the most active biologically.

Men produce estradiol as a breakdown product of testosterone, primarily in fat cells and secondarily in the adrenal glands and testicles.




What causes a decrease in estradiol levels?


A variety of demographic factors can influence male estradiol levels, including age, race, and BMI (body mass index, a way to quantify fat, muscle, and bone).

  • Estradiol levels typically decrease as men age, yet with a more significant decrease in testosterone.
  • Estradiol levels often increase in men who are obese or have higher BMI.
  • Estradiol levels are often heightened as much as 1016 percent in African American men compared to Asian or Caucasian men, regardless of age, BMI, or geography.




What is the importance of estrogen management in male testosterone replacement?


Men on testosterone replacement therapy often experience an increase in estradiol levels. In such patients, elevated estradiol levels can result in decreased libido and breast tenderness and/or growth (gynecomastia).

While the use of an aromatase inhibitor (AI) such as Anastrozole during testosterone replacement therapy (TRT) is an off-label use, the drug can help reduce increased estradiol levels that result.

Studies indicate that men on testosterone replacement therapy who take an AI can see improvement in their sex drive and performance over men on TRT alone.




Can Anastrozole alone raise serum testosterone?


Yes. Men who do not want to take exogenous testosterone directly but do desire an increase in testosterone levels can take aromatase inhibitors (AIs) such as Anastrozole.

Anastrozole prevents or slows the breakdown of testosterone, which can result in decreased estradiol levels and increased testosterone levels. Anastrozole can also affect the activity of the estrogen receptors in the pituitary. The resulting reduction of estradiol levels prevents the negative feedback inhibition of estradiol on the hypothalamic-pituitary-gonadal axis, which can directly and indirectly increase serum levels of testosterone, follicle-stimulating hormone (FSH) and luteinizing hormone (LH) in men.

Several well-published studies indicate that using an AI alone can raise testosterone levels in hypogonadal men. A 2004 study by Leder et al looked at 37 hypogonadal men whose serum testosterone levels were lower than 350mg/dL. These men were given anastrozole 1mg/daily or 1mg twice weekly.

  • In men taking 1mg/daily, serum testosterone levels increased from 343 ± 61 to 572 ± 139 ng/dL
  • In men taking 1mg twice weekly, serum testosterone levels increased from 397 ± 106 to 520 ± 91 ng/dL

These results were illustrated again in a 2005 study by T’Sjoen et al. The study gave eligible men Letrozole 2.5mg/daily versus a placebo. After 28 days of treatment, testosterone levels increased by as much as 146%.

A 2016 longer-term study by Dias et al indicates that anastrozole 1mg/daily increased testosterone levels over three, six, and 12 months of therapy.

To find out if you are candidate for therapy, schedule a consultation with a REGENX Health provider.




What is the best way to take Anastrozole?


Anastrozole is an oral pill. Swallow the medication whole, with or without food. Anastrozole is commonly taken 1-2 times per week in order to obtain optimal estradiol levels. Our REGENX Health physicians will determine your specific dosage and frequency.





Arimidex Safety Information

What is Anastrozole?


Anastrozole is the active ingredient in Arimidex, a drug that falls under the category of an aromatase inhibitor (AI).

Aromatase is an enzyme that converts testosterone into estradiol, the primary form of estrogen in men. An aromatase inhibitor, then, such as Anastrozole, can prevent the breakdown of testosterone by raising testosterone levels and reducing estradiol levels.

The U.S. Food & Drug Administration (FDA) has not approved the use of Anastrozole for any purposes or indications in men. Instead, a physician may prescribe Arimidex for off-label use as a safe and effective way to reduce elevated estradiol levels in men receiving testosterone replacement therapy (TRT). Consult with a REGENX Health provider to see if you’re a candidate for therapy.




What role does estrogen have in men?


Though estrogen is commonly associated with female physiology, it also has a key role in male physiology, including libido, bone and vascular health, erectile function, and spermatogenesis.

The predominate form of male estrogen is called estradiol. Estradiol forms from aromatizing testosterone in primarily two areas: the peripheral tissues (fat cells) and the Leydig cells in the testicles. Adrenal glands play a small role in aromatizing androstenedione into estrone, which is then converted to estradiol.

Estradiol is essential to male bone development. Several studies indicate that low levels of both total estradiol and bioavailable estradiol are associated with an increased rate of bone loss, bone resorption, and an increased rate of osteoporotic fractures.

Estradiol is also important to cardiovascular health, particularly in assisting in the prevention of plaque building and preventing atherogenesis (formation of plaques in arteries).




How is estrogen produced in men?


Estrogen in humans is found in three forms: estrone (E1), estradiol (E2), and estriol (E3). Of these, estradiol (E2) has the most affinity for estrogen receptors and is therefore the most active biologically.

Men produce estradiol as a breakdown product of testosterone, primarily in fat cells and secondarily in the adrenal glands and testicles.




What causes a decrease in estradiol levels?


A variety of demographic factors can influence male estradiol levels, including age, race, and BMI (body mass index, a way to quantify fat, muscle, and bone).

  • Estradiol levels typically decrease as men age, yet with a more significant decrease in testosterone.
  • Estradiol levels often increase in men who are obese or have higher BMI.
  • Estradiol levels are often heightened as much as 1016 percent in African American men compared to Asian or Caucasian men, regardless of age, BMI, or geography.




What is the importance of estrogen management in male testosterone replacement?


Men on testosterone replacement therapy often experience an increase in estradiol levels. In such patients, elevated estradiol levels can result in decreased libido and breast tenderness and/or growth (gynecomastia).

While the use of an aromatase inhibitor (AI) such as Anastrozole during testosterone replacement therapy (TRT) is an off-label use, the drug can help reduce increased estradiol levels that result.

Studies indicate that men on testosterone replacement therapy who take an AI can see improvement in their sex drive and performance over men on TRT alone.




Can Anastrozole alone raise serum testosterone?


Yes. Men who do not want to take exogenous testosterone directly but do desire an increase in testosterone levels can take aromatase inhibitors (AIs) such as Anastrozole.

Anastrozole prevents or slows the breakdown of testosterone, which can result in decreased estradiol levels and increased testosterone levels. Anastrozole can also affect the activity of the estrogen receptors in the pituitary. The resulting reduction of estradiol levels prevents the negative feedback inhibition of estradiol on the hypothalamic-pituitary-gonadal axis, which can directly and indirectly increase serum levels of testosterone, follicle-stimulating hormone (FSH) and luteinizing hormone (LH) in men.

Several well-published studies indicate that using an AI alone can raise testosterone levels in hypogonadal men. A 2004 study by Leder et al looked at 37 hypogonadal men whose serum testosterone levels were lower than 350mg/dL. These men were given anastrozole 1mg/daily or 1mg twice weekly.

  • In men taking 1mg/daily, serum testosterone levels increased from 343 ± 61 to 572 ± 139 ng/dL
  • In men taking 1mg twice weekly, serum testosterone levels increased from 397 ± 106 to 520 ± 91 ng/dL

These results were illustrated again in a 2005 study by T’Sjoen et al. The study gave eligible men Letrozole 2.5mg/daily versus a placebo. After 28 days of treatment, testosterone levels increased by as much as 146%.

A 2016 longer-term study by Dias et al indicates that anastrozole 1mg/daily increased testosterone levels over three, six, and 12 months of therapy.

To find out if you are candidate for therapy, schedule a consultation with a REGENX Health provider.




What is the best way to take Anastrozole?


Anastrozole is an oral pill. Swallow the medication whole, with or without food. Anastrozole is commonly taken 1-2 times per week in order to obtain optimal estradiol levels. Our REGENX Health physicians will determine your specific dosage and frequency.





Arimidex FAQs

How is REGENX Health different from other online service providers?


REGENX Health is different from other online clinics. We take pride in educating you about the therapy you are undergoing. In our experience, the more you know about your health, the better results you will obtain.

Here’s what makes REGENX Health stand out:

  • Your healthcare is always expert. That’s because every virtual meeting you’ll have is with a boardcertified urologist who specializes in men’s health, including testosterone replacement therapy and related conditions. Other online men’s health clinics rely on mid-level health providers, nurse practitioners, or non-urologic physicians.
  • Your health and treatment are always physicianguided, in order to ensure your health and optimize your performance results. Each visit with a physician, scheduled every three months via video teleconference, provides a personable and convenient experience for our members, so we get to know you and you get to know us. (This timing is significantly more frequent than other providers.) Know that your therapy, management, and concerns will always be fully addressed.
  • Our pricing is always inclusive. Unlike other online men’s health clinics, there are no hidden fees or surprise prices. Your low, monthly investment includes everything you will need during your therapy:
    • Online physician visits
    • Medications
    • Supplies
    • Delivery
    • Comprehensive lab work

As always, there are no long-term commitment requirements, so you can cancel anytime. All medication and supplies are mailed discreetly to your home or office. Unlike other providers, you’ll never have to visit a clinic weekly to get an injection. Instead, your labs are performed on your time at a location most convenient to you and you’ll handle your personalized treatment in your own time and privacy.




How should I take Anastrozole?


Take Anastrozole exactly as prescribed by your physician or healthcare professional. Never share Anastrozole with others, even if their symptoms are similar, as it may cause serious harm.




Should I take Anastrozole with food?


Taking Anastrozole with food will slow the rate the body takes in the medication, but it does not decrease the extent of its absorption.




What is the best way to store Anastrozole?


Keep Anastrozole at room temperature, between 68°F and 77°F (20-25°C). Always store Anastrozole and all medications out of reach from children.





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Disclaimer: The content on this website is not medical advice or a substitute for professional medical care, diagnosis or treatment. Your physician will determine if you are a candidate for therapy and advise how you should take the medication.

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Low-T Therapy with testosterone in Texas