New injection aims to ease bone cancer pain and prevent fractures

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

Inclusion Criteria: 1. Able and willing to provide a written informed consent 2. Male or female, age ≥ 18 years; 3. Solid tumors confirmed by histological or cytological examination; 4. At least 1 bone metastasis from a documented tertiary A hospital during the screening period; 5. Worst pain score NRS ≥5 points when treated with a stable analgesic regimen during the baseline assessment period; 6. Received a stable anti-tumor regimen within 28 days prior to the baseline assessment period 7. During the screening period, the physical status score of the Eastern Cooperative Oncology Group (ECOG) was 0-2 points; 8. Life expectancy judged by the investigator to be at least 6 months 9. Good organ function during the screening period (repeated testing can be confirmed if necessary); 10. Female subjects of childbearing potential with negative blood pregnancy test results within 7 days prior to the first dose of study drug and not lactating. Exclusion Criteria: 1. Previous occurrence or concomitant osteomyelitis of the jaw or osteonecrosis of the jaw, dental disease or jaw disease that is active, requiring oral surgery, dental surgery or oral surgery wound that has not fully healed, or has planned invasive dental procedures during the study; 2. History of major joint trauma or surgery within 1 year prior to enrollment 3. Cardiac dysfunction Within 6 months before enrollment; 4. Resting tachycardia or resting bradycardia on ECG at screening； 5. Subjects who have evidence of orthostatic hypotension at screening； 6. Hepatitis B surface antigen (HBSAG), hepatitis C antibody (HCVAB), human immune defect antivirus (HIV) antibody, syphilis antibody; 7. The pain of the subjects not predominantly related to a bone metastasis; 8. The subject with neurological diseases and/or mental illness and/or cognitive dysfunction ； 9. Receipt of radiopharmaceutical treatment or radiotherapy for treatment of bone metastasis within 1 month of the treatment period, and the subject who received the radiotherapy within one month before the first research drug administration 10. Subject has a history of allergic or anaphylactic reaction to mammalian -based drugs, or allergies to supplements (calcium or vitamin D supplements), or have a history of allergens of opioids, or past history of treatment or diagnostic monoclonal antibody, Or other allergies; 11. The subject participated in the treatment of other clinical trials within one month before receiving the experimental drug (except for participating in other clinical trial screening losers); 12. In the judgment of the investigator, would make the subject inappropriate for entry into this study;