Astragalus for Symptomatic Alleviation in High-grade Lymphoma

Patients in the intervention group will receive capsules of the Astragalus plant (scientific name: Astragalus membranaceus, common name: Huang Qi) at an initial dose of 2 grams (4 capsules) per day with the option of increasing the dose to 4 grams (8 capsules) per day according to researchers' assessment and patient tolerance. The dose was determined by a focus group of 5 herbalists and according to data from the literature on oncology patients. The duration of the treatment will be up to a month from the end of the chemotherapy treatment which usually lasts up to six months.

Placebo capsules that look similar to Astragalus capsules will be given to patients from the control group, between 4 and 8 capsules per day according to the researcher's assessment and tolerability. The duration of the treatment will be up to a month from the end of the chemotherapy treatment which usually lasts up to six months.