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RU58841, a potential hair loss treatment, was not commercialized due to marketability issues and lack of long-term safety data. Concerns about its formulation and delivery methods further complicate its use.

Hmi115, a prolactin receptor blocker, showed promise for hair growth, but results from Phase 2 trials have not been published. ABS-201, an AI-based analog, is expected to begin trials in December 2025, while commercialization of treatments like PP-405 is anticipated around 2027.

Exploring different treatments for hair loss, such as cosmeRNA and HMI-115 which are small interference messenger RNA that inhibits the DHT receptor and an antibody that binds to the prolactin (PRL) receptor respectively; and researching mechanism and environment of hyperresponders.

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.

The conversation discusses concerns that Anagenic's version of GT20029 might not be as effective or safe as Kintor's, with comparisons to issues faced by pyrilutamide. The chemical structure of the drug has been published.

The user is considering RU58841 and has been using dutasteride since age 17. They are seeking affordable SARD options, mentioning ASC-J9, GT20029, and AH001.

The efficacy of degrading the androgen receptor through dermal application in DP cells, a delivery system for topical drugs that involves dissolving microneedles, and rosemary oil as an alternative anti-androgen.

The conversation discusses hair loss treatments, mentioning minoxidil, finasteride, RU58841, VDPHL, GT20029, and follicle cloning as potential solutions. It also reveals that the discussion about PP405 was an April Fool's joke.

PP405's phase 2a trial results were presented, focusing on safety and pharmacokinetics, with a future meeting planned to share the full dataset. The trial includes a randomized controlled portion and an open-label extension, with no indication of phase 2B completion.

The user is experiencing irritation from using PG with RU58841 and is seeking alternative solutions like K&B in the UK. They report redness, itchiness, and flaky skin from the current treatment.

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.

The conversation is about a user seeking help with hair regrowth treatments, specifically mentioning Setipiprant, Minoxidil, Finasteride, and RU58841. The user is trying to contact forum members for guidance on making and using these treatments.

Two Chinese suppliers provided legitimate RU58841, confirmed through a free drug testing service. The vendors were Shaanxi Greenyo Biotech and Lyphar, found on Made-in-China.

GHK-RU58841 is used for hair loss, with positive results when combined with finasteride, stemoxydine, redensyl, and alfatradiol. Users report effectiveness after adding finasteride.

GT20029 and pyrilutamide are both androgen antagonists but work differently; GT20029 degrades the androgen receptor, while pyrilutamide blocks DHT from binding. GT20029 is expected to have similar efficacy to CosmeRNA.

The conversation is about finding a legitimate source for RU58841 in Germany, with suggestions including Receptorchem and GeneTherica. Anageninc and Chemyo do not deliver to Germany.

The conversation discusses using PGE2 as a hair growth stimulant, comparing it to minoxidil, and considering the addition of Setipiprant. Concerns about side effects like skin damage and cost are also mentioned.

PP405 and GT20029 are new hair loss treatments with different mechanisms from traditional options like Minoxidil and Finasteride. PP405 targets hair follicle stem cells to reactivate growth, while GT20029 works as an androgen receptor deleter, both requiring ongoing use for effectiveness.

GT20029 is a new hair loss treatment in Phase 3 trials in China, using PROTAC technology to target androgen receptors, potentially with fewer side effects than finasteride and minoxidil. VDPHL01, a second-generation minoxidil, is also mentioned as potentially more effective.

The conversation is about finding a trustworthy and affordable source for RU58841 in Europe, with a comparison between Anagenic and Actifolic. The user seeks experiences from others in the EU to avoid receiving water instead of the product.

PP405 shows initial promise for treating androgenetic alopecia, with safety confirmed in early trials, but skepticism remains due to limited data. Further trials are needed to determine its true efficacy and potential market impact.

ET-02 (RS 5441) shows promising results for hair growth, performing better in humans than in mice. There is debate over the effectiveness compared to minoxidil, with some users wanting more detailed data.

The conversation discusses the approval of Kintor Pharmaceutical's AR-PROTAC (GT20029) for clinical trials in China for acne and androgenic alopecia. One user expresses optimism about new treatments being developed and seeks clarification on how the new drug works, specifically if it temporarily degrades the AR protein to reduce DHT sensitivity in hair follicles.

RU-58642 is a powerful anti-androgen that was not developed further, possibly due to safety concerns or financial reasons. RU58841 is a topical alternative, but it is less effective than finasteride and dutasteride, and its long-term effects are not well-studied.

A dermatologist recommended PRP (Platelet Rich Plasma) and GFC (Growth Factor Concentrate) for pattern baldness, but online sources suggest they may not be effective. The user is seeking opinions on these treatments.

ABS-201 shows promise for male hair regrowth by blocking the prolactin receptor, with higher expected efficacy than current treatments. The discussion also covers dosing differences between macaques and humans for hmi115, highlighting a significant dosage disparity.

GHK-Cu is a potent inhibitor of the type 1 5-alpha reductase enzyme in hair follicles, which may reduce hair loss without the side effects associated with type 2 5-alpha reductase inhibitors. The user previously experienced side effects with 5-alpha reductase inhibitors and is considering GHK-Cu as an alternative.

The conversation discusses using gartanin from mangosteen mixed with castor oil to degrade the androgen receptor for hair loss treatment. Alternatives like setipiprant, minoxidil, and dermastamping are also mentioned, with concerns about cost and potential side effects.

A user is seeking a trusted supplier for RU58841 in the UK, expressing doubts about their current source, rudirect, and considering Anagenic and receptorchem. They are asking for recommendations for other suppliers.

The conversation discusses GT20029, a compound by Kintor Pharma that degrades androgen receptors and is in trials, with potential as a hair loss cure. Another promising treatment mentioned is an antibody that blocks prolactin and has shown positive results in macaques.