Description of what type of drug is Anamorelin

Anamorelin (Anamorelin) is an oral non-peptide ghrelin receptor agonist (Ghrelin Receptor Agonist). It is a metabolism regulating drug and is mainly used to improve cancer-related cachexia (Cancer Cachexia). This drug is innovative in the field of tumor supportive care because it does not directly inhibit tumor growth, but indirectly improves overall treatment tolerance and quality of life by improving the patient's nutritional metabolic status and promoting weight and muscle mass recovery.

The pharmacological mechanism of Anamorelin comes from the study of the "Ghrelin" pathway. Ghrelin is a hormone secreted by the stomach that binds to the GHS-R1a receptor in the hypothalamus to stimulate appetite and regulate energy metabolism. Anamorelin, as its receptor agonist, activates the appetite pathway in the central nervous system by simulating the effects of natural ghrelin, increasing the patient's appetite and at the same time increasing the levels of growth hormone and insulin-like growth factor (IGF-1) in the blood. This mechanism not only helps improve eating, but also promotes muscle synthesis and reduces catabolism, thereby increasing the lean body mass ratio while gaining weight. Different from simple nutritional supplements or appetizers, anamorelin focuses more on regulating the body's metabolic balance and is an innovative treatment method that improves physical fitness "from the inside out."

In terms of dosage form, anamorelin usually appears in the form of 50 mg tablets, which are administered orally once a day. The medication is easy to take and suitable for long-term management. According to overseas data, the drug is mainly used to treat cachexia in patients with inoperable advanced non-small cell lung cancer, gastric cancer, pancreatic cancer, etc., to help them maintain energy intake and physical reserves during treatment. When the Japanese Ministry of Health, Labor and Welfare approved its marketing, it pointed out that anamulin can significantly improve patients' weight and lean body mass index, while improving self-care ability and appetite scores. Therefore, it is regarded as an important complementary drug for cancer rehabilitation and supportive treatment.

Reference materials:https://pmc.ncbi.nlm.nih.gov/articles/PMC4677053/