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    Did you mean Phosphodiesterase?
    GlossaryPhosphodiesterase

    enzyme that breaks down cyclic nucleotides in cells

    Phosphodiesterase (PDE) is an enzyme that plays a crucial role in cellular signaling by breaking down cyclic nucleotides like cAMP and cGMP, which are molecules that transmit signals inside cells. By regulating the levels of these cyclic nucleotides, PDEs help control various physiological processes, including heart rate, inflammation, and even hair growth.

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      community Does caffeine inhibit 5-α-reductase?

      in Treatment  4 upvotes 6 years ago
      Caffeine may promote hair growth and potentially inhibit 5-α-reductase activity in hair follicles, but its effectiveness and systemic impact remain unclear. Users discuss using topical caffeine solutions, with some experiencing no side effects compared to finasteride.

      community Could creatine trigger faster hairloss?

      in Research/Science  27 upvotes 1 year ago
      Creatine is reported by many to increase hair loss, though no scientific evidence supports this. Some use finasteride and minoxidil to manage hair loss, while others avoid creatine due to personal experiences.

      community P5P supplementation for fin sides.

      in Treatment  7 upvotes 4 years ago
      P5P supplementation helped reverse finasteride side effects, particularly by lowering prolactin levels and restoring sensitivity. The user experienced significant improvement within a day and full recovery in a few days.

      community Why doesn't phase 3 of PP405 start straight away?

      in Chat  14 upvotes 4 months ago
      Pelage is delaying the start of phase 3 trials for PP405 to 2026 due to necessary regulatory processes, despite having $120 million in funding. Users discuss the potential of PP405 for hair regrowth, with some expressing skepticism and others hopeful for new treatments like Breezula.

      community PP405 - hair stem cell stimulation

      in Research/Science  51 upvotes 2 years ago
      PP405, a topical LDH inhibitor, has shown to stimulate hair follicle stem cell proliferation in humans with moderate hair loss. They are advancing to more detailed trials this year.
      PP405 Identity Research

      community PP405 Identity Research

      in Research  292 upvotes 8 months ago
      PP405 is a potential hair loss treatment that inhibits mitochondrial pyruvate carriers, increasing lactate dehydrogenase activity and stimulating hair follicle stem cells. In a phase 1 trial, 31% of participants showed over 20% hair density increase with PP405 treatment.

      community Don't use PP405 from everychem. it is likely fake.

      in Research/Science  64 upvotes 9 months ago
      PP405 from Everychem is likely fake and potentially harmful, with concerns about its stability and the risk of using the wrong MPC inhibitor, which could damage hair follicles. The real PP405 was studied under strict conditions, and DIY attempts are discouraged due to unknown formulation and quality control.

      community The amazing fast pace of PP405.

      in Chat  327 upvotes 6 months ago
      PP405 is a new hair loss treatment advancing quickly in trials, generating excitement and skepticism about its effectiveness and marketing claims. Some see it as a potential alternative to minoxidil and finasteride, but concerns about long-term effects and the need for DHT blockers persist.

      community How long are Pelage going to milk the phase 2a results of PP405?

      in Chat  21 upvotes 3 months ago
      PP405, a potential hair loss treatment, is facing delays in releasing Phase 2 results, causing frustration among users who compare it to past failed treatments. Despite skepticism, some remain hopeful about PP405's future, while others discuss alternative treatments like Clascoterone and its expected market release.

      community Does anyone know the chemical formula for pelage pp405?

      in Research/Science  14 upvotes 1 year ago
      The conversation discusses the lack of public information on the chemical structure of PP405, a hair loss treatment, and the challenges of synthesizing it without a patent. It also explores a patent related to hydrogen-based topical formulations for reducing oxidative stress and inflammation.
      FCE 28260: A Forgotten 5α-Reductase Inhibitor

      community FCE 28260: A Forgotten 5α-Reductase Inhibitor

      in Research  330 upvotes 1 year ago
      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.

      community New Hair Loss Cure: AMP-303 Is Back. It’s what PP405 should have been.

      in Research/Science  3 upvotes 3 weeks ago
      AMP-303 and AMP-601 are new hair loss treatments targeting dermal papilla cells, with AMP-303 showing early efficacy in transitioning vellus hairs to terminal hairs after one injection. Further clinical trials are planned, and these treatments are seen as promising due to their biologic approach and less frequent application compared to daily treatments.

      community PP405 (Non) Update - Feb 2025

      in Research/Science  34 upvotes 1 year ago
      The conversation discusses the delay in the PP405 Phase 2 study results, now expected by the end of 2025, and skepticism about research practices. There is also mention of optimism for Amplifica's AMP303 and a topical treatment in early testing.

      community Who else is looking forward to full phase 2 results of PP405?

      in Chat  59 upvotes 2 months ago
      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.

      community Approve PP405 quickly you coward

      in Satire  193 upvotes 9 months ago
      Pelage Pharmaceuticals is developing PP405, a topical treatment for hair growth, currently in Phase 2a trials. There is skepticism about the company's claims, and no fast-tracking approval timeline has been detailed.

      community Thoughts on new drug PP405? Already reached phase 2

      in Research/Science  28 upvotes 10 months ago
      PP405 is a new drug in Phase 2 trials for hair loss, generating cautious optimism among users. Some users are currently using finasteride and experiencing side effects, while others are skeptical about unapproved products being sold.

      community How would you react if PP405 isn't successful in phase 3 trials?

      in Chat  23 upvotes 4 months ago
      People are discussing their reactions if PP405 fails in phase 3 trials, with some expressing skepticism and others holding onto hope for future treatments like GT20029 and Breezula. Many mention continuing with existing treatments like minoxidil and finasteride, while others express disappointment and consider alternative solutions.

      community Pp405 phase 2a clinical results

      in Research/Science  38 upvotes 10 months ago
      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.