ARA 290 Peptide Overview
Generic and Brand Name: ARA 290 or Cibinetide is also referred to as pyroglutamate helix B surface peptide (pHBSP). There are no FDA-approved drugs in commercial use that contain this drug. It is commonly used in clinical trials as an experimental synthetic peptide, which is why it is mostly referred to as ARA 290 in scientific work.
Medication Class: Non-Erythropoietic Innate Repair Receptor (IRR) Agonist, EPO-Derived Anti-Inflammatory and Tissue-Protective Peptide, Metabolic Homeostasis Modulator
Chemical Description: ARA 290 is an 11-amino-acid synthetic peptide made from helix B region of human erythropoietin (EPO). This peptide has an N-terminal pyroglutamate form and it has been designed to remove the hematopoietic effect of EPO, while keeping the ability to protect certain organs. This peptide has a molecular weight of about 1257 Da and its solubility in water is quite high. It has also a good stability during enzymatic reactions in biological systems.
Mechanism of Action
Receptor Activation
ARA 290 performs its biological function by interacting with innate repair receptor (IRR), which is a heteromer made from EPOR and β-common receptors (CD131). It acts differently from normal EPO as it does not bind homodimeric EPOR, causing, therefore, the absence of red blood cell activation. It does not react with known metabolic receptors like GLP-1, GIP or melanocortin receptors.The activation of IRR initiates anti-inflammatory, anti-apoptotic, and tissue regenerative pathways in the body, ensuring targeted regulation while preventing systemic interferences.
1.2 Metabolic and Physiological Effects
ARA 290 provides various metabolic and physiological advantages thanks to its effectiveness in receptor speculation. It shields pancreatic cells against inflammation and oxidative stress, promotes insuline synthesis, and increases insulin sensitivity in tissues, leading to a reduction in diabetes symptoms. The peptide inhibits pro-inflammatory factors such as TNF-α and IL-6, minimizing inflammation, and regulating the energy metabolism process. Moreover, it mitigates negative effects of metabolic syndrome in patients suffering from sleep apnea.
- Areas of Usage (Scientific Research)
ARA 290 can be used solely within preclinical studies; it is not an approved compound for use in humans by the FDA.
Research in Type 2 Diabetes: The compound is extensively used in experimental research concentrating on protection mechanisms of pancreatic cells and improvement of insuline resistance.
Chronic Weight Management Research: The medication is utilized in obesity research aimed at enhancing its influences on the processes of obesity-related inflammation, metabolism, and fat distribution in the human body.Obstructive Sleep Apnea-Related Studies: This refers to the studies aimed at the exposure of intermittent hypoxia, systemic inflammation and metabolic imbalances that are caused by OSA and give proof about the importance of conducting research on OSA multi-system complications.
Research on Core of Tissues: It is regarded as a very important laboratory instrument that is used in research on the neuroprotection of the organs, their recovery and their chronic inflammatory pathology.
Compliance & Research Disclaimer
Ara 290 Peptide is for research use only and academic experimental purposes. It is not registered as a pharmaceutical drug, dietary supplement or an over-the-counter medicine and has no clinical use approval from the FDA, EMA or other regional medical regulatory body. The product cannot be used for human clinical diagnosis, treatment of disease, oral or intravenous administration as well as commercial off-label usage. All of the product details and research data is academic in nature and not intended as medical advice or to be construed as therapeutic claims. Local laws, institutional laboratory-management requirements, and ethical-research standards must be followed by all purchasers and researchers. We shall not be liable for any unauthorized illegal use, improper operation or non-research application of the product.
- Dosage and Administration (Standard Guidelines for Laboratory Research)
3.1 Route & Frequency
Subcutaneous injections are considered the standard laboratory way of administration ARA 290 which provides that the drug will be absorbed adequately and its bioavailability will be constant for conducting metabolic studies and those on the tissues. The standard frequency of administration is considered to be once a day in order to conduct chronic continuous experiments, while in case of acute injuries and inflammation periodic regimen of administration, is suggested.
3.2 Titration
In the laboratory preclinical research ranging doses of 20-30 mcg/kg per day is considered to be the initial threshold dose required for the activation of receptors. The mean effective dose equals to 30-50 mcg/kg per day which allows to conduct proper anti-inflammatory and tissue protective research. The maximal safe dose is set at 100 mcg/kg which prevents the occurrence of excessive signaling from the receptors as well as disturbance of physiological status of the organism. No established clinical guideline of dose titration exists for research-only production.
3.3 Management of Missed Dose
In accordance with standardized research protocols no additional administration of ARA290 is needed. In the laboratory conditions there is no need to provide additional doses in case of missed intake of ARA 290. All missed doses should be recorded and “mistakes” eliminated afterwards during the experiment.
- Dosage Forms
ARA 290 is present in one form only which is lyophilized sterile powder.
10 Common FAQs About Peptides
- What is a peptide?
Answer: A peptide is a short chain of amino acids linked together by peptide bonds. It is smaller and more easily absorbed by the human body than proteins, serving as a fundamental functional substance in biological organisms.
- What is the difference between peptides and proteins?
Answer: The core difference lies in molecular length and structure. Peptides are short amino acid chains (usually consisting of 2–50 amino acids), while proteins are long, complex amino acid chains with stable three-dimensional structures. Peptides have stronger permeability and faster absorption efficiency than proteins.
- What are the main types of peptides?
Answer: Peptides are mainly classified by the number of amino acids: dipeptides, tripeptides, oligopeptides (2–10 amino acids) and polypeptides (10–50 amino acids). They can also be divided into natural peptides and synthetic peptides according to their sources.
- What are the biological functions of peptides?
Answer: Peptides have diverse biological activities, including regulating human metabolism, improving immune function, promoting cell repair, anti-oxidation, anti-aging, and adjusting hormone levels. They act as key signaling molecules and regulatory factors in the body.
- Are peptides safe for human use?
Answer: Most natural and medically approved synthetic peptides are highly safe. They have small molecular weight, low toxicity, and will not accumulate in the body. However, unstandardized high-dose peptide products or impure synthetic peptides may cause mild discomfort.
- What are the common applications of peptides?
Answer: Peptides are widely used in multiple fields. In biomedicine, they are made into therapeutic drugs for endocrine and immune diseases; in cosmetics, they are used for anti-aging and skin repair; in health products, they serve as nutritional supplements to improve physical fitness.
- Can the human body absorb exogenous peptides directly?
Answer: Yes. Unlike proteins that need to be decomposed before absorption, small-molecule peptides can be directly absorbed by the intestinal tract and skin with high absorption rate and utilization efficiency, and can quickly exert biological effects in the body.
- What are synthetic peptides used for?
Answer: Synthetic peptides are artificially customized amino acid chains. They are mainly used for scientific research, clinical drug development, targeted skin care ingredient production, and precise nutritional supplementation, with higher purity and targeted activity than some natural peptides.
- Do peptide products have side effects?
Answer: Standard peptide products have almost no obvious side effects for most people. Individual groups may experience mild gastrointestinal discomfort or skin sensitivity due to physical differences or excessive intake. Long-term excessive use may disrupt the body’s metabolic balance.
- What is the difference between collagen peptides and ordinary peptides?
Answer: Collagen peptides are a specific type of functional peptide extracted and decomposed from collagen, mainly targeting skin moisturizing, anti-wrinkle and joint care. Ordinary peptides cover a broader range with more diverse regulatory functions including immunity and metabolism, while collagen peptides have more focused skincare and anti-aging effects.
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