{"id":297,"date":"2026-02-18T16:07:02","date_gmt":"2026-02-18T14:07:02","guid":{"rendered":"http:\/\/example.test\/?post_type=product&#038;p=297"},"modified":"2026-07-21T11:12:23","modified_gmt":"2026-07-21T08:12:23","slug":"pt-141-10-mg","status":"publish","type":"product","link":"https:\/\/life-peptide.com\/es\/product\/pt-141-10-mg\/","title":{"rendered":"PT-141 \/ 10 mg"},"content":{"rendered":"<p>PT-141 (Bremelanotide) is one of the most extensively investigated research peptides in <strong>sexual function and arousal research<\/strong>.<\/p>\n<p>Originally developed from the melanocortin peptide Melanotan II, PT-141 was designed to selectively investigate melanocortin pathways involved in sexual motivation while minimising the pigmentation effects associated with earlier melanocortin analogues.<\/p>\n<p>Unlike compounds such as sildenafil or tadalafil, PT-141 does not primarily investigate blood flow or vascular function. Instead, published research focuses on <strong>central nervous system pathways regulating sexual desire, motivation and arousal<\/strong>, making PT-141 one of the most distinctive peptides in sexual medicine research.<\/p>\n<hr \/>\n<h4>Why PT-141 is widely investigated<\/h4>\n<p>PT-141 has become a key research peptide because it targets <strong>central melanocortin signalling<\/strong>, a pathway that differs fundamentally from vascular approaches to sexual function.<\/p>\n<p>Published studies have investigated PT-141 in relation to:<\/p>\n<ul>\n<li><strong>sexual desire<\/strong><\/li>\n<li><strong>sexual arousal<\/strong><\/li>\n<li><strong>female sexual function<\/strong><\/li>\n<li><strong>male sexual function<\/strong><\/li>\n<li><strong>melanocortin receptor biology<\/strong><\/li>\n<li><strong>central nervous system signalling<\/strong><\/li>\n<li><strong>neuroendocrine regulation<\/strong><\/li>\n<\/ul>\n<p>Because these pathways originate <strong>within the brain<\/strong> rather than the vascular system, PT-141 has attracted significant attention in neuroscience and sexual medicine research.<\/p>\n<hr \/>\n<h4><strong>How PT-141 works<\/strong><\/h4>\n<p>Unlike PDE-5 inhibitors, PT-141 is primarily investigated for its effects on melanocortin receptors, particularly MC4R and, to a lesser extent, MC3R.<\/p>\n<p>Published research has explored its relationship with:<\/p>\n<p><strong>Melanocortin signalling<\/strong><\/p>\n<p>Activation of melanocortin pathways involved in sexual motivation and behavioural responses.<\/p>\n<p><strong>Central arousal pathways<\/strong><\/p>\n<p>Investigation of hypothalamic circuits associated with sexual desire and arousal.<\/p>\n<p><strong>Dopaminergic signalling<\/strong><\/p>\n<p>Research suggests melanocortin activation influences downstream neurochemical pathways involved in motivation and reward.<\/p>\n<p><strong>Neuroendocrine regulation<\/strong><\/p>\n<p>Experimental work has examined how PT-141 interacts with central nervous system networks involved in sexual behaviour.<\/p>\n<h4><strong>Why PT-141 is widely investigated in sexual medicine<\/strong><\/h4>\n<p>PT-141 differs from many compounds investigated in sexual medicine because its primary mechanism is <strong>central rather than peripheral<\/strong>.<\/p>\n<p>Published clinical research has investigated:<\/p>\n<ul>\n<li><strong>hypoactive sexual desire disorder (HSDD)<\/strong><\/li>\n<li><strong>female sexual arousal<\/strong><\/li>\n<li><strong>male erectile function<\/strong><\/li>\n<li><strong>sexual motivation<\/strong><\/li>\n<li><strong>central melanocortin signalling<\/strong><\/li>\n<\/ul>\n<p>This distinction has made PT-141 an important research tool for studying the neurobiology of sexual function rather than vascular physiology alone.<\/p>\n<h4><strong>Investigaci\u00f3n humana y precl\u00ednica<\/strong><\/h4>\n<p>Compared with many research peptides, PT-141 has a <strong>substantial clinical evidence base<\/strong>.<\/p>\n<p>Multiple Phase II and Phase III studies have investigated Bremelanotide in women with hypoactive sexual desire disorder, while earlier clinical programmes explored its effects in men with erectile dysfunction. Together, these studies established PT-141 as <strong>one of the most clinically investigated peptides<\/strong> targeting melanocortin pathways.<\/p>\n<hr \/>\n<h4><strong>Why PT-141 differs from Viagra\u00ae and Cialis\u00ae<\/strong><\/h4>\n<p>One of PT-141&#8217;s defining characteristics is that it investigates central sexual desire pathways rather than vascular physiology.<\/p>\n<table style=\"height: 145px;\" width=\"887\">\n<thead>\n<tr>\n<th>PT-141<\/th>\n<th>PDE-5 inhibitors<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Melanocortin signalling<\/td>\n<td>Nitric oxide pathway<\/td>\n<\/tr>\n<tr>\n<td>Sexual desire research<\/td>\n<td>Erectile physiology<\/td>\n<\/tr>\n<tr>\n<td>Central nervous system<\/td>\n<td>Peripheral blood flow<\/td>\n<\/tr>\n<tr>\n<td>Investigated in both men and women<\/td>\n<td>Primarily investigated in male erectile function<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Because these mechanisms differ, PT-141 represents an entirely different area of sexual medicine research rather than another vascular approach.<\/p>\n<h4><strong>Published safety observations<\/strong><\/h4>\n<p>Across published clinical studies, the most commonly reported adverse events included <strong>nausea, flushing and headache<\/strong>, particularly during<strong> early administration<\/strong>. Most events were described as mild to moderate in severity, although tolerability varied between studies and populations, and tend to dissappear completely with repeated use.<\/p>\n<hr \/>\n<h4><strong>Caracter\u00edsticas del producto<\/strong><\/h4>\n<p>Aplicaci\u00f3n: investigaci\u00f3n de laboratorio y an\u00e1lisis<br \/>\nUso restringido: no apto para consumo humano; no apto para uso m\u00e9dico, veterinario o cosm\u00e9tico<br \/>\nProducido en instalaciones que cumplen con GMP bajo estrictos protocolos de control de calidad.<br \/>\nCada lote se somete a pruebas de laboratorio exhaustivas despu\u00e9s de la producci\u00f3n (puede encontrar el Certificado de An\u00e1lisis debajo de las im\u00e1genes del producto).<br \/>\nLiofilizado (liofilizado) para m\u00e1xima estabilidad y vida \u00fatil prolongada.<br \/>\nSellado en viales est\u00e9riles, listo para la reconstituci\u00f3n.<br \/>\nPurity: \u226599% (HPLC-tested)<br \/>\nAppearance: Lyophilized white\/off-white powder<br \/>\nF\u00f3rmula molecular: C<sub>50<\/sub>H<sub>68<\/sub>N<sub>14<\/sub>O<sub>10<\/sub><br \/>\nMolecular weight: 1025.2<br \/>\nSequence: Ac-Nle-Asp-His-D-Phe-Arg-Trp-Lys-OH ChemicalBridge Asp2-Lys7<br \/>\n<strong>Almacenamiento<\/strong>: los viales liofilizados sin abrir se almacenan mejor <strong>refrigerar a 2\u20138 \u00b0C<\/strong>, que es el m\u00e9todo de almacenamiento confirmado por nuestro socio de fabricaci\u00f3n y adecuado para hasta 24 meses. Se prefiere la refrigeraci\u00f3n porque minimiza los ciclos innecesarios de congelaci\u00f3n y descongelaci\u00f3n durante la manipulaci\u00f3n rutinaria. Si se requiere un almacenamiento a m\u00e1s largo plazo, los viales liofilizados sin abrir tambi\u00e9n pueden mantenerse congelados. Una vez reconstituidos, almacene siempre a 2\u20138 \u00b0C y no congele.<\/p>\n<h4><strong>Reconstituci\u00f3n y manipulaci\u00f3n<\/strong><\/h4>\n<p>PT-141 is supplied as a lyophilised vial and should be handled using standard peptide reconstitution procedures appropriate to the research setting. Must be reconstituted with <a href=\"https:\/\/life-peptide.com\/es\/product\/bac-10-ml\/\">agua bacteriost\u00e1tica<\/a> antes de usar. Para ayudar a preservar la integridad estructural, agregue el disolvente elegido lentamente contra la pared interior del vial en lugar de directamente sobre el p\u00e9ptido en polvo, y evite agitar vigorosamente. La agitaci\u00f3n suave suele ser suficiente una vez que el p\u00e9ptido se ha disuelto por completo. La pr\u00e1ctica est\u00e1ndar de laboratorio tambi\u00e9n incluye permitir que los viales refrigerados alcancen la temperatura ambiente antes de la reconstituci\u00f3n para minimizar la condensaci\u00f3n dentro del vial.<\/p>\n<p>Para otras gu\u00edas sobre selecci\u00f3n de solventes, planificaci\u00f3n de concentraciones y almacenamiento, consulte el completo <a href=\"https:\/\/life-peptide.com\/es\/reconstitution-of-peptides\/\">Gu\u00eda de Reconstituci\u00f3n de P\u00e9ptidos<\/a> y <a href=\"https:\/\/life-peptide.com\/es\/calculator\/\">Calculadora de Reconstituci\u00f3n<\/a>.<\/p>\n<hr \/>\n<h4><strong>Estudios clave publicados<\/strong><\/h4>\n<ul>\n<li>Molinoff PB, Shadiack AM, Earle D, et al. <em>PT-141: A Melanocortin Agonist for the Treatment of Sexual Dysfunction. Annals of the New York Academy of Sciences<\/em>, 2003.<\/li>\n<\/ul>\n<p>The foundational paper introducing PT-141 and describing its mechanism as a centrally acting melanocortin receptor agonist for sexual function research.<\/p>\n<ul>\n<li>Diamond LE, Earle DC, Heiman JR, et al. <em>An Effect on the Subjective Sexual Response in Premenopausal Women with Female Sexual Arousal Disorder by Bremelanotide (PT-141). Journal of Sexual Medicine<\/em>, 2006.<\/li>\n<\/ul>\n<p>A landmark clinical study investigating PT-141 in women with female sexual arousal disorder.<\/p>\n<ul>\n<li>Kingsberg SA, Clayton AH, Portman D, et al. <em>Bremelanotide for the Treatment of Hypoactive Sexual Desire Disorder. Obstetrics &amp; Gynecology<\/em>, 2019.<\/li>\n<\/ul>\n<p>One of the pivotal Phase III clinical studies supporting the modern evidence base for Bremelanotide in HSDD.<\/p>\n<ul>\n<li>Edinoff AN, et al. <em>Bremelanotide for Treatment of Female Hypoactive Sexual Desire Disorder. Neurology International<\/em>, 2022.<\/li>\n<\/ul>\n<p>A comprehensive review covering pharmacology, mechanism of action, clinical efficacy and safety of PT-141.<\/p>\n<hr \/>\n<h4><strong>Preguntas Frecuentes<\/strong><\/h4>\n<p><strong>What is PT-141?<\/strong><\/p>\n<p>PT-141 (Bremelanotide) is a synthetic melanocortin receptor agonist derived from \u03b1-MSH. It is widely investigated in research on sexual desire, arousal and central nervous system signalling.<\/p>\n<p><strong>Why is PT-141 sometimes called Bremelanotide?<\/strong><\/p>\n<p>Bremelanotide is the international non-proprietary name (INN) for PT-141. Most published clinical studies use the name Bremelanotide, while researchers and peptide suppliers commonly refer to the same molecule as PT-141.<\/p>\n<p><strong>Is PT-141 the same as Melanotan II?<\/strong><\/p>\n<p>No. PT-141 was developed from Melanotan II but is designed to more selectively investigate melanocortin pathways involved in sexual function while reducing activity related to pigmentation. Although the two peptides share a common developmental history, they are now used for different areas of research.<\/p>\n<p><strong>How does PT-141 differ from Viagra\u00ae or Cialis\u00ae?<\/strong><\/p>\n<p>PT-141 acts primarily through central melanocortin pathways, whereas PDE-5 inhibitors work by enhancing blood flow through vascular mechanisms. These represent different biological approaches to sexual function research.<\/p>\n<p><strong>Why is PT-141 also called Bremelanotide?<\/strong><\/p>\n<p>Bremelanotide is the international non-proprietary name (INN) for PT-141. Most published clinical studies use the name Bremelanotide, while the peptide research community frequently refers to the molecule as PT-141.<\/p>\n<p><strong>What research areas commonly investigate PT-141?<\/strong><\/p>\n<p>Published studies have investigated PT-141 in sexual desire, sexual arousal, hypoactive sexual desire disorder, male sexual function, melanocortin receptor biology and neuroendocrine signalling.<\/p>\n<p><strong>Does PT-141 work through nitric oxide like PDE-5 inhibitors?<\/strong><\/p>\n<p>No. Current evidence indicates that PT-141 primarily acts through central melanocortin receptor activation rather than directly enhancing the nitric oxide\u2013mediated vascular pathway targeted by PDE-5 inhibitors.<\/p>\n<p><strong>\u00bfEst\u00e1 este producto destinado al uso humano?<\/strong><\/p>\n<p>No. PT-141 supplied by LIFE Peptide is provided strictly for laboratory and analytical research. It is not intended for human consumption, diagnosis, treatment or prevention of disease. Any discussion of published studies summarises the scientific literature relating to the PT-141 molecule rather than the intended use of this product.<\/p>\n<hr \/>\n<h4><strong>Contexto de investigaci\u00f3n relacionado<\/strong><\/h4>\n<p>PT-141 belongs to the broader <a href=\"\/es\/category\/sexual-function-and-melanocortin-peptides\/\">melanocortin and neuroendocrine peptide research category<\/a>, focusing on central nervous system signaling and receptor-mediated behavioral pathways.<br \/>\nResearchers exploring related melanocortin pathway models may also examine:<br \/>\n<a href=\"https:\/\/life-peptide.com\/es\/product\/melanotan-2-10-mg\/\">Melanotan II<\/a> \u2014 melanocortin receptor agonist research<br \/>\n<a href=\"\/es\/category\/cognitive-research-peptides\/\">Cognitive &amp; neuroresearch peptides<\/a> \u2014 CNS peptide signaling models<br \/>\n<a href=\"\/es\/category\/secretagogos-de-la-hormona-del-crecimiento\/\">Growth hormone secretagogues<\/a> \u2014 neuroendocrine pathway interaction research<\/p>\n<p><strong>NOTE: <\/strong>This is for educational reference only and does not constitute medical advice.<\/p>\n<p><strong>Disclaimer:<\/strong><br \/>\nEste producto se vende \u00fanicamente para fines de investigaci\u00f3n. No est\u00e1 destinado a diagnosticar, tratar, curar ni prevenir ninguna enfermedad. El comprador asume toda la responsabilidad por su manipulaci\u00f3n y uso adecuados.<\/p>","protected":false},"excerpt":{"rendered":"<p>PT-141 10 mg is a research-grade melanocortin peptide supplied in lyophilised form for laboratory use. Also known as Bremelanotide, it is one of the leading research peptides for sexual desire, sexual arousal and central nervous system signalling. Unlike PDE-5 inhibitors, PT-141 has been extensively investigated for its effects on central melanocortin pathways rather than vascular mechanisms.<\/p>\n<p>||<\/p>\n<p>Pureza \u226599% | Env\u00edos a la UE a partir de 5 \u20ac | Posibilidad de elegir env\u00edo gratuito | Se aceptan pagos con tarjeta<\/p>","protected":false},"featured_media":301,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[23],"product_tag":[312,309,313,314,315,311,310],"class_list":["post-297","product","type-product","status-publish","has-post-thumbnail","product_cat-sexual-function-and-melanocortin-peptides","product_tag-arousal-research","product_tag-bremelanotide","product_tag-female-sexual-function","product_tag-male-sexual-function","product_tag-melanotan-2","product_tag-sexual-desire-research","product_tag-sexual-function-research","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/life-peptide.com\/es\/wp-json\/wp\/v2\/product\/297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life-peptide.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/life-peptide.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/life-peptide.com\/es\/wp-json\/wp\/v2\/comments?post=297"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life-peptide.com\/es\/wp-json\/wp\/v2\/media\/301"}],"wp:attachment":[{"href":"https:\/\/life-peptide.com\/es\/wp-json\/wp\/v2\/media?parent=297"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/life-peptide.com\/es\/wp-json\/wp\/v2\/product_brand?post=297"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/life-peptide.com\/es\/wp-json\/wp\/v2\/product_cat?post=297"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/life-peptide.com\/es\/wp-json\/wp\/v2\/product_tag?post=297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}