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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Side Effect Management
The role of aromatization in testosterone supplementation: effects on cognition in older men.
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<blockquote data-quote="Nelson Vergel" data-source="post: 17369" data-attributes="member: 3"><p>100 mg per week of T enanthate with a high dose of 1 mg per day of anastrozole.</p><p></p><p></p><p>Neurology. 2005 Jan 25;64(2):290-6.</p><p></p><p><strong>The role of aromatization in testosterone supplementation: effects on cognition in older men.</strong></p><p><strong></strong></p><p>Cherrier MM1, Matsumoto AM, Amory JK, Ahmed S, Bremner W, Peskind ER, Raskind MA, Johnson M, Craft S.</p><p></p><p></p><p></p><p>Abstract</p><p></p><p>OBJECTIVE:</p><p></p><p>To determine the contribution of conversion of testosterone (T) to estradiol on cognitive processing in a population of healthy older men who received T supplementation.</p><p></p><p>METHODS:</p><p></p><p>Sixty healthy, community-dwelling volunteers aged 50 to 90 years completed a randomized, double-blind, placebo-controlled study. P<strong>articipants were randomized to receive weekly IM injections of 100 mg T enanthate plus daily oral placebo pill (T group, n = 20), 100 mg testosterone enanthate plus 1 mg daily of anastrozole, an aromatase inhibitor (oral pill)</strong>, to block the conversion of T to estradiol (AT group, n = 19), or saline injection and placebo pill (placebo group, n = 21) for 6 weeks. Cognitive evaluations using a battery of neuropsychological tests were conducted at baseline, week 3 and week 6 of treatment, and after 6 weeks of washout.</p><p></p><p>RESULTS:</p><p></p><p>Circulating total T was increased from baseline an average of 238% in the T and AT treatment groups. Estradiol increased an average of 81% in the T group and decreased 50% in the AT group during treatment. Significant improvements in spatial memory were evident in the AT and T treatment groups. However, <strong>only the group with elevated estradiol levels (T group) demonstrated significant verbal memory improvement.</strong></p><p></p><p></p><p>CONCLUSION:</p><p></p><p>In healthy older men, improvement in verbal memory induced by testosterone administration depends on aromatization of testosterone to estradiol, whereas improvement in spatial memory occurs in the absence of increases in estradiol.</p></blockquote><p></p>
[QUOTE="Nelson Vergel, post: 17369, member: 3"] 100 mg per week of T enanthate with a high dose of 1 mg per day of anastrozole. Neurology. 2005 Jan 25;64(2):290-6. [B]The role of aromatization in testosterone supplementation: effects on cognition in older men. [/B] Cherrier MM1, Matsumoto AM, Amory JK, Ahmed S, Bremner W, Peskind ER, Raskind MA, Johnson M, Craft S. Abstract OBJECTIVE: To determine the contribution of conversion of testosterone (T) to estradiol on cognitive processing in a population of healthy older men who received T supplementation. METHODS: Sixty healthy, community-dwelling volunteers aged 50 to 90 years completed a randomized, double-blind, placebo-controlled study. P[B]articipants were randomized to receive weekly IM injections of 100 mg T enanthate plus daily oral placebo pill (T group, n = 20), 100 mg testosterone enanthate plus 1 mg daily of anastrozole, an aromatase inhibitor (oral pill)[/B], to block the conversion of T to estradiol (AT group, n = 19), or saline injection and placebo pill (placebo group, n = 21) for 6 weeks. Cognitive evaluations using a battery of neuropsychological tests were conducted at baseline, week 3 and week 6 of treatment, and after 6 weeks of washout. RESULTS: Circulating total T was increased from baseline an average of 238% in the T and AT treatment groups. Estradiol increased an average of 81% in the T group and decreased 50% in the AT group during treatment. Significant improvements in spatial memory were evident in the AT and T treatment groups. However, [B]only the group with elevated estradiol levels (T group) demonstrated significant verbal memory improvement.[/B] CONCLUSION: In healthy older men, improvement in verbal memory induced by testosterone administration depends on aromatization of testosterone to estradiol, whereas improvement in spatial memory occurs in the absence of increases in estradiol. [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Side Effect Management
The role of aromatization in testosterone supplementation: effects on cognition in older men.
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