The function response does not provide relevant information regarding the uses and dosing regimen of astressin B peptide.

However, based on existing knowledge, astressin B is a peptide that is primarily investigated for its potential therapeutic effects in treating stress-related disorders. It acts as a selective corticotropin-releasing hormone receptor 1 (CRHR1) antagonist, which may help in modulating the body's stress response, and it has been studied for its potential role in conditions like anxiety and depression.

As for dosing regimens, specific details can vary depending on the research study or clinical trial context, so it is essential to refer to updated clinical studies or guidelines for precise dosing information. Always consult a healthcare professional for accurate and personalized medical advice.