

PT-141 Spray is a research-use-only preparation featuring PT-141, also known as bremelanotide, a synthetic cyclic peptide analog related to alpha-melanocyte-stimulating hormone (α-MSH). PT-141 is studied extensively in melanocortin receptor biology, peptide-receptor interactions, neurobiology, and cellular signaling. Helix Bio provides research materials for controlled laboratory and scientific applications. This spray-format product is intended exclusively for research and laboratory use and is not intended for human or veterinary administration.
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PT-141, or bremelanotide, is a synthetic cyclic peptide belonging to the melanocortin family. Scientific literature describes bremelanotide as an agonist at multiple melanocortin receptor subtypes, including MC3R and MC4R. Research has examined its interactions with melanocortin receptors and downstream signaling pathways.
The compound has been studied in both laboratory and clinical research settings. Researchers investigating PT-141 may therefore encounter literature covering receptor pharmacology, neurobiology, peptide signaling, pharmacokinetics, and experimental models of sexual behavior.
PT-141 should not be confused with a general-purpose peptide reagent. Its activity is closely associated with melanocortin receptor biology, making receptor expression, ligand-receptor interactions, and downstream cellular signaling important areas for experimental investigation.
PT-141 is commonly identified as bremelanotide, a synthetic cyclic peptide analog of α-MSH. The compound has been investigated for activity at melanocortin receptor subtypes including MC3R and MC4R.
The precise concentration, volume, formulation components, and other specifications of the spray should be confirmed using the current product listing and applicable lot-specific documentation.
PT-141 is relevant to research involving:
Research has also examined bremelanotide in relation to neural pathways associated with sexual behavior and motivation. These findings provide scientific context but should not be interpreted as evidence that a research-use PT-141 spray is safe or effective for human use.
PT-141 and bremelanotide refer to the same research compound. Bremelanotide is the generic name used in scientific and regulatory literature, while PT-141 is a commonly used development designation.
The distinction becomes important when searching scientific literature because studies may use either term. Researchers looking for primary literature should consider both "PT-141" and "bremelanotide" when conducting database searches.
An important distinction exists between a research-use PT-141 spray and FDA-approved bremelanotide products.
The FDA-approved product Vyleesi contains bremelanotide and is a prescription drug supplied as a subcutaneous injection for a specific clinical indication. The FDA labeling identifies its approved dosage form and route as a subcutaneous injection.
A research-use PT-141 Spray from Helix Bio should not be represented as Vyleesi, as an equivalent pharmaceutical formulation, or as an FDA-approved product. The spray format described on this page is supplied for laboratory research only.
Researchers working with melanocortin signaling need clearly identified research materials that can be incorporated into controlled experimental protocols.
PT-141 is a well-characterized research subject with a substantial scientific literature covering receptor pharmacology, neurobiology, and experimental human studies. This makes the compound particularly relevant for researchers investigating how melanocortin receptor agonists interact with biological signaling systems.
Helix Bio states that its research catalog is supported by analytical verification, including HPLC purity assessment, mass-spectrometry identity confirmation, and batch-specific Certificates of Analysis. Researchers should review the actual documentation associated with the PT-141 Spray lot they receive rather than assuming a general catalog specification applies to every batch.
PT-141 Spray is intended for qualified researchers and organizations conducting legitimate laboratory or scientific research, including:
The product is not intended for personal use, self-administration, diagnosis, treatment, or veterinary applications.
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