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GlossaryCastration-Resistant Prostate Cancer

cancer that grows despite low testosterone levels

Castration-Resistant Prostate Cancer (CRPC) is a type of prostate cancer that continues to progress despite the reduction of testosterone to very low levels, typically achieved through medical or surgical means (castration). This form of cancer is particularly challenging to treat because it no longer responds to therapies that lower testosterone, a hormone that usually fuels prostate cancer growth.

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Intratumoral De Novo Steroid Synthesis Activates Androgen Receptor in Castration-Resistant Prostate Cancer and Is Upregulated by Treatment with CYP17A1 Inhibitors

research Intratumoral De Novo Steroid Synthesis Activates Androgen Receptor in Castration-Resistant Prostate Cancer and Is Upregulated by Treatment with CYP17A1 Inhibitors

402 citations, August 2011 in “Cancer research”

Prostate cancer cells can make their own androgens to activate the androgen receptor, and treatments like abiraterone may increase this ability, suggesting new therapies should target the entire steroid-making pathway.

research Insight into Recent Advances in Degrading Androgen Receptor for Castration-Resistant Prostate Cancer

February 2024 in “Cancers”

New treatments targeting androgen receptors show promise for drug-resistant prostate cancer.

research Genetic Variants in AR and SHBG and Resistance to Hormonal Castration in Prostate Cancer

6 citations, February 2013 in “Medical Oncology”

Certain genetic variants increase the risk of resistance to hormone therapy in prostate cancer patients.

research Steroidogenesis Inhibitors Alter But Do Not Eliminate Androgen Synthesis Mechanisms During Progression to Castration-Resistance in LNCaP Prostate Xenografts

57 citations, April 2009 in “The Journal of Steroid Biochemistry and Molecular Biology”

Steroidogenesis inhibitors change but don't stop androgen production in prostate cancer.

research Redefining Hormone Resistance in Prostate Cancer

38 citations, December 2009 in “Therapeutic Advances in Medical Oncology”

The conclusion suggests that prostate cancer should be classified by castration status and that new therapies targeting androgen receptor signaling show promise.

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community Twist1 Group Buy: Yes it’s that easy

in Research/Science 39 upvotes 2 years ago

A group buy for testing a compound targeting Twist1 protein as a potential hair loss treatment. Inhibiting Twist1, which keeps hair follicles in growth phase, may prevent hair loss with minimal side effects.

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in Research/Science 123 upvotes 3 years ago

A new hair loss treatment theory beyond minoxidil and finasteride is proposed, causing mixed reactions in the community, with some members eager to explore and support it, while others call for more research and evidence.

community 8 months on 5mg fin daily, 5% min twice daily, and hrt(mtf). Thought my hair was unrecoverable before but now I’m so happy.

in Transgender 1898 upvotes 1 year ago

A user named "LordGeek101" shared their positive experience with hair regrowth after using 5mg of finasteride daily, 5% minoxidil twice daily, and hormone replacement therapy (HRT) for 8 months. The user is transgender (MTF) and mentioned that the larger dose of finasteride was recommended by their doctor for better chances of hair revival.

community PSA: Most men who stay on Fin will see the sexual side effects go away. Stop the fear mongering

in Finasteride/Dutasteride 191 upvotes 2 years ago

Finasteride can cause sexual side effects in less than 2% of men, but these often disappear over time, even if the treatment continues. Some users report persistent side effects, while others experience no issues or only temporary ones.

community My Testosterone is less than 1/3rd In 7 Months since I took Finasteride!

in Finasteride/Dutasteride 113 upvotes 1 year ago

A user experienced a significant drop in testosterone levels after taking finasteride, leading to side effects like low libido and muscle mass loss. Despite its effectiveness for hair, the user decided to stop finasteride due to its impact on hormones, preferring to be bald.

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