The Long-term Benefit of Hydrogel Spacer in Reducing Rectal Radiation Dose in Cervical Cancer Radiation Therapy.
Uterine Cervical Neoplasms
About this trial
This is an interventional treatment trial for Uterine Cervical Neoplasms focused on measuring Cervical Cancer, hydrogel spacer
Eligibility Criteria
Inclusion Criteria: Karnofsky score ≥ 70. Subjects aged ≥ 18 years and ≤ 75 years. Subjects must be able to cooperate in completing the entire study. The subjects' pelvic and abdominal cavity and joints are free of metal implants and can tolerate MRI. No contraindications to CT scanning. Subjects must be able to understand the purpose of the trial, voluntarily participate and sign an informed consent form Exclusion Criteria: Subjects whose target tumors have been previously treated (chemotherapy, immunotherapy, surgical treatment, etc.) Subjects with other primary malignancies Subjects with contraindications to radiotherapy, as determined by the investigators Subjects with injection site infections. Subjects who are allergic to the ingredients of the device. Subjects whose tumors invade the injection site and affect the injection process and injection safety, as determined by the investigators Persons with severe mental illness, cognitive impairment and thinking disorders. Participants in other drug clinical trials or medical device clinical trials 1 month prior to screening Pregnant or lactating women or those who plan to get pregnant within the last six months Subjects who cannot be followed up as prescribed by the doctor Other conditions that, in the judgment of the investigator, make the subject unsuitable for enrollmen
Sites / Locations
- Peking Union Medical College HospitalRecruiting
Arms of the Study
Arm 1
Arm 2
Experimental
No Intervention
hydrogel spacer
Control
The Subjects randomized to the treatment group underwent placement of hydrogel spacer.
The Subjects randomized to the control group did not receive injection of the hydrogel spacer.