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The Future of Plaque Psoriasis Treatment: Exploring Peptide Therapies Oct 24, 2025—Panelists discuss howicotrokinra represents a novel oral peptidethat selectively blocks the IL-23 receptor, offering the trusted safety 

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Andrea Nelson

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peptides Oct 24, 2025—Panelists discuss howicotrokinra represents a novel oral peptidethat selectively blocks the IL-23 receptor, offering the trusted safety 

Plaque psoriasis, a chronic inflammatory disease that affects millions worldwide, is on the cusp of a new era in treatment, largely driven by advancements in peptide-based therapies. For individuals seeking effective management of their psoriasis, the emergence of novel peptide compounds offers a beacon of hope. These innovative treatments are not only targeting the underlying mechanisms of the disease but also providing new avenues for systemic and topical relief.

One of the most significant breakthroughs in plaque psoriasis treatment is the recent FDA approval of ICOTYDE™ (icotrokinra). This groundbreaking therapy is the first targeted oral peptide approved for the first-line systemic treatment of plaque psoriasis in adults and adolescents aged 12 and older with moderate to severe forms of the condition. FDA Approval of Icotyde marks a pivotal moment, offering a new, convenient oral option that can provide high skin clearance and a strong safety profile. Icotyde is thought to help psoriasis symptoms by reducing inflammation in the body. Specifically, it works by blocking the interleukin-23 (IL-23) receptor, a key player in the inflammatory pathways that drive psoriasis. This targeted approach aims to alleviate the psoriasis symptoms like itching, redness, and plaques that characterize this chronic inflammatory disease.

The development of icotrokinra is part of a broader trend in pharmaceutical research focusing on peptide therapeutics. Investigational icotrokinra is the first targeted oral peptide designed to precisely block the IL-23 receptor. This mechanism is crucial because, in people with psoriasis, proteins like interleukin-23 contribute to the inflammatory cascade. The approval of ICOTYDE signifies a shift towards more precise, mechanism-based treatments.

Beyond icotrokinra, other peptide research is showing immense promise. For instance, JNJ-2113 is an investigational targeted oral peptide therapeutic that also works by blocking the IL-23 receptor, aiming to ease the body's inflammatory response. This compound, developed by Johnson & Johnson, is generating significant interest, with Johnson and Johnson psoriasis pill becoming a term associated with these innovative oral treatments. Another compound, JNJ-77242113, is also an orally administered interleukin-23-receptor antagonist peptide that selectively blocks IL-23 signaling.

The research into peptide therapies for psoriasis extends to topical applications as well. Scientists are exploring how various peptides can be formulated for direct application to the skin. For example, a water-soluble caveolin-1 peptide has shown to inhibit psoriasis-like skin inflammation by suppressing cytokine production and angiogenesis. Similarly, research has highlighted a water-soluble caveolin-1 peptide that demonstrates potential in reducing skin inflammation. Furthermore, a study revealed that a tripeptide, comprising just three amino acids, was shown to significantly reduce the severity of psoriasis when applied in a standard emollient cream. This discovery suggests that even very small peptide sequences can have a substantial therapeutic effect. Another finding points to a naturally occurring peptide that could significantly reduce the severity of psoriasis with fewer side effects than conventional treatments, often consisting of just three amino acids.

The science behind these peptides is fascinating. Explore the science behind peptides for psoriasis, including compounds like KPV, GHK-Cu, BPC-157, and thymosin alpha-1, which are being investigated for their therapeutic potential. Antimicrobial peptides (AMPs), such as β-defensin, S100, and cathelicidin, are naturally occurring molecules that activate the innate immune system and are also being studied in the context of psoriasis.

Traditional and emerging therapies continue to play a role, but the focus on peptide innovation is undeniable. While established treatments like COSENTYX® (secukinumab), which works to treat plaque psoriasis, including troublesome areas like the scalp and nails, remain important options, the advent of oral peptide therapies like icotrokinra and investigational compounds like JNJ-2113 represents a significant leap forward. Furthermore, therapies like SOTYKTU® (deucravacitinib) offer another non-injection option for moderate-to-severe plaque psoriasis.

The study of how the body's own molecules can be harnessed for therapeutic benefit is a cornerstone of modern medicine. Muramyl peptide, for instance, has been studied for its pathogenetic therapy in psoriasis, acting as a ligand for innate immunity receptors. The exploration of these diverse peptide molecules, from those targeting specific inflammatory pathways like IL-23 to those with broader anti-inflammatory actions, underscores the dynamic and evolving landscape of psoriasis treatment. The development of a Peptide Pool for antigen-specific stimulation in T cell assays also contributes to a deeper understanding of immune responses in psoriasis.

In conclusion, the

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by T Takahashi·2020·Cited by 148—Antimicrobialpeptides(AMPs) such as β-defensin, S100, and cathelicidin are secreted from these cells and activate the innate immune system through various 
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