Cagrilintide

Cagrilintide (its research code name is AM833) is a lab-made, long-lasting copy of a natural body hormone called amylin (a hormone made by the pancreas that helps signal fullness after eating). In studies it is described as a modified version of amylin, built with an attached fatty-acid chain so it lasts longer in the body. It is used to study how the amylin signaling pathway works in metabolism research.

How it works

Cagrilintide acts on the family of receptors that respond to amylin and to a related hormone called calcitonin (a receptor is a docking point on a cell that turns a signal on). The amylin receptors are formed when the calcitonin receptor teams up with helper proteins called RAMPs. Lab studies describe cagrilintide as switching on these amylin receptors broadly, and also binding the calcitonin receptor on its own. This mix is studied for how it affects fullness signals in the lower part of the brain [1]. The attached fatty-acid chain is studied for making it stick to a blood protein (albumin), which lets it last long enough for once-a-week dosing in experiments [2].

What researchers have studied it for: body weight and appetite

A clinical trial (phase 2, an early human study, run at several centers, with a placebo comparison and neither participants nor researchers knowing who got what) tested once-weekly cagrilintide over 26 weeks in adults who were overweight or had obesity. It reported that higher doses were linked to larger drops in body weight and waist size in the study group [2]. Researchers have used amylin copies like this to study fullness after meals, how fast the stomach empties, and how much food people eat [1][2].

What researchers have studied it for: combinations and metabolism

Researchers have also studied cagrilintide given together with semaglutide (a gut-hormone compound that acts on the GLP-1 receptor) to see how the amylin and gut-hormone pathways work together on body-weight and blood-sugar measures in controlled trials [2]. This work looks at how two different appetite-related signals combine, rather than the effect of any single one.

What the research hasn't shown yet

The findings come from selected groups of participants in short, tightly controlled studies. The available research does not show that this compound is safe or effective for any one person who buys it, and no health benefit to the buyer is implied. Cagrilintide is supplied by K4 Elite only as a reference compound for laboratory and test-tube research, not for any other use.

In the laboratory the lyophilized peptide is typically reconstituted with bacteriostatic or sterile water to the desired concentration. Store lyophilized powder at -20°C, keep reconstituted solution at 2-8°C, minimize freeze-thaw cycles, and protect from light to preserve peptide integrity.