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FCE 28260 (PNU 156765), an under-explored 5α-reductase inhibitor, showcases promising results in research by Giudici et al., outperforming well-known treatments like Finasteride in reducing the conversion of testosterone to DHT. Its superior efficacy, demonstrated through lower IC50 values in both natural and human recombinant enzyme studies, suggests it could offer more effective management of DHT-related conditions. Additionally, its lower molecular weight hints at better potential for topical application, potentially offering advantages in treating conditions such as androgenic alopecia. Despite its potential, it has not advanced in development, possibly due to financial limitations, leaving its therapeutic prospects and side effect profile largely unexplored.

A 26-year-old is experiencing unexpected hair shedding on the scalp, eyebrows, eyelashes, and body, along with greasy skin, and has decided to see a doctor. They are seeking advice and support.

A 20-year-old is experiencing hair shedding two months after starting 2.5mg oral minoxidil and topical finasteride. They notice thinning in areas where finasteride is applied but also see new baby hairs growing.

The user is concerned about patchy hair regrowth after 5.5 months of treatment. They are questioning if more hair growth can be expected in the upcoming months.

The conversation is about people with advanced hair loss (Norwood 6 or 7) who have seen significant hair regrowth using treatments like finasteride, minoxidil, microneedling, and RU58841. Nine cases were collected to motivate others to try these treatments despite advanced hair loss.

A woman experiencing hormonal hair loss is on dutasteride and bicalutamide, which initially improved her hair, but she is now experiencing a second shedding phase with significant short hair loss. Despite normal hormone levels and no deficiencies, she is unsure if this shedding is normal and seeks advice.

The user is experiencing severe hair loss due to gut malabsorption and is seeking advice on nutrient testing and supplementation. They have low Vitamin D and Ferritin levels and are asking for recommendations on additional nutrients and blood tests to consider.

The conversation is about whether the phase 2 results for pyrilutamide, a potential hair loss treatment, were presented at a dermatology convention and inquiries about the completion of phase 3 trials. Specific treatments mentioned include pyrilutamide.

The user has been using oral finasteride and minoxidil nightly, dutasteride twice a week, microneedling weekly, and pyripure nightly since April. They are seeking opinions on their hair regrowth progress, noting no slick bald areas but some miniaturized blonde hairs.

PP405 is a potential hair loss treatment showing promise, especially for men with severe balding. Some are hopeful it will be a game-changer for those who cannot tolerate finasteride or minoxidil, despite skepticism about the outcomes.

User experienced hair thickening with pyri but also side effects like reduced sex drive. Stopping pyri and returning to CB restored sex drive, suggesting pyri may go systemic or be incorrectly formulated.

RU58841, an anti-androgenic compound, showed early promise for treating alopecia but faced challenges after its patent in 1997. Despite advancing to Phase II trials, safety concerns and financial struggles led Aventis to abandon its development. Proskelia, which later merged into ProStrakan, couldn't prioritize the drug, leading to its eventual stagnation and failure to reach the market.

ET-02 is seen as promising for addressing hair loss and graying, but PP405 is more advanced in development and has better publicity. Some users plan to use both treatments alongside minoxidil and dutasteride.

A 32-year-old male with hair loss cannot use finasteride due to erectile dysfunction and minoxidil due to scalp psoriasis. He seeks alternative treatments for his condition.

The user has DUPA and suspects autoimmune activity as a cause. They have tried various treatments including finasteride, minoxidil, dutasteride, pyrilutamide, estrogel, hydrocortisone, and clobetasol, and are now seeking a long-term immunosuppressant.

User has hair loss, finasteride for 5 years not effective. Considers trying dutasteride, minoxidil, or pyrilutamide.

Setipiprant and Fevipiprant are questioned for their effectiveness in hair maintenance, with skepticism due to lack of convincing results beyond vellus hair growth. The user is satisfied with Minoxidil and Finasteride but is curious about the potential of DP2 inhibitors.

The conversation discusses the safety study of PP405, emphasizing that early trials focus on safety rather than efficacy, and that any efficacy data from such a short study should be viewed skeptically. It also highlights that the information released is primarily for securing funding, and that meaningful efficacy results are expected in later phases.

People are discussing the anticipated release of PP405 phase 2a results, expected by the end of March, with some skepticism about its effectiveness. There is cautious optimism due to past experiences with similar treatments like Breezula, despite concerns about the lack of presentation at the AAD 2026 conference.

User experienced hair loss from Norwood 3.5 to Norwood 5 with diffuse thinning after using a hair system for 2 years. Tried Redensyl, Capixyl, Bicapil, Biotin, multivitamins, Fin, and Min without significant improvement, seeking advice for hair recovery.

Pirfenidone is suggested to treat fibrosis and baldness by blocking inflammation markers and reducing collagen. It is also available as a gel for scar removal.

The conversation discusses the side effects of finasteride, including low libido and erectile dysfunction, and the possibility of these effects being permanent, known as post-finasteride syndrome (PFS). Some users report personal experiences with PFS and debate whether the condition is real, with varying opinions on the reversibility of side effects and the role of individual biology.

OP shares their experience with PCOS-related hair loss, highlighting that addressing vitamin D and ferritin deficiencies, managing hormones with spironolactone, and using gentle hair care products helped improve their condition. They advise against relying on "miracle" hair oils and emphasize the importance of medical evaluation and a combined approach to treatment.

After jaw surgery caused intense hair shedding and scalp itch, using pyrilutamide significantly reduced these symptoms. It's suggested to test pyrilutamide for authenticity before use, despite positive personal experience with the product from MV Supplements.

My hairline, I am only 23. This conversation is about a user's experience with treatments for androgenic alopecia, including finasteride, dutasteride, RU, minoxidil, progesterone, melatonin, LLLT, oral minoxidil, and Pyrilutamide. They have tried many treatments over the course of two years without seeing much success, and they are considering getting a hair system as a last resort.

A 19-year-old male experienced significant hair loss, initially thought to be male pattern baldness (MPB), and used minoxidil and briefly finasteride. After realizing the issue was telogen effluvium (TE), he improved his diet and supplemented with vitamins, which led to substantial hair regrowth.

The user aims to achieve a hypertrichosis look and has used topical Minoxidil for 20 years, now trying oral Minoxidil in a low dose. They seek alternatives to Minoxidil to avoid side effects.

Hair loss treatments Cosmerna, RU, and Pyri discussed. Cosmerna inhibits androgen receptors, but not 100%, so RU/Pyri can be used synergistically.

A female user has experienced severe hair shedding since stopping birth control in late 2022, diagnosed as telogen effluvium with no signs of androgenetic alopecia. Despite healthy living and optimal bloodwork, she continues to shed hair daily but also sees significant regrowth.

A treatment showed a 20% hair density increase in weeks, with nearly a third of participants experiencing significant results, while questions remain about its long-term efficacy and effectiveness across different scalp areas. There is interest in combining it with finasteride and minoxidil for potentially better outcomes.