New cancer drug copycat tested in healthy people

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Healthy adult volunteers participate in clinical trials voluntarily and sign informed consent. 2. Age 18 \~ 45 (inclusive) years , male. 3. The body weight is not less than 50 kg, and the body mass index is between 18.5 and 26 (including both ends). 4. Good health, no heart, liver, kidney or other acute or chronic digestive tract diseases, respiratory diseases, blood, endocrine, nervous, mental and other systemic diseases. 5. Physical examination, vital signs, blood routine, urine routine, blood biochemistry, electrocardiogram and chest X-ray examination are all normal, or the abnormal results of the examination are not clinically meaningful by the investigator. 6. Agree to avoid spouse pregnancy during the trial period and within 6 months after the end of the administration. Exclusion Criteria: 1. Allergic constitution, those who are allergic to the test drug ingredients or have a history of allergies to any drug or food or a history of pollen allergy; those with abnormal serum immunoglobulin E (IgE) (more than 3 times higher than the upper limit of normal). 2. Anti-drug antibody (ADA) positive. 3. Infections currently in need of clinical treatment. 4. HBsAg, HBeAg, HCV-Ab, HIV-Ab or TP-Ab positive. 5. Upon inquiry, there is a clear current medical history of the central nervous system, cardiovascular system, kidney, liver, digestive system, respiratory system, metabolic system or other significant diseases. 6. Upon inquiry, a person with a history of mental illness. 7. Upon inquiry, there is a history of cancer and it is judged by the investigator that it is not suitable for participation. 8. According to the investigator's judgment, the investigator believes that it is not suitable for the participants in this clinical trial for various reasons.