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The Long-term Benefit of Hydrogel Spacer in Reducing Rectal Radiation Dose in Cervical Cancer Radiation Therapy.

A Prospective, Multicenter, Exploratory Clinical Study to Evaluate the Long-term Benefit of Hydrogel Spacer in Reducing Rectal Radiation Dose in Cervical Cancer Radiation Therapy.

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05902390
Enrollment
106
Registered
2023-06-15
Start date
2023-06-30
Completion date
2024-05-31
Last updated
2023-06-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Uterine Cervical Neoplasms

Keywords

Cervical Cancer, hydrogel spacer

Brief summary

This study is an exploratory study based on the previous study A prospective, multicenter, randomized, parallel arm-controlled, superiority clinical study to evaluate the role of hydrogel spacer in reducing rectal radiation dose in cervical cancer radiation therapy, in which additional follow up study on the subjects of the previous study were conducted. Subjects (6 subjects in Phase I; 100 subjects in Phase II, 50 in the test group and 50 in the control group) who completed the pre-study will be enrolled in this study if they are willing to participate in the long-term follow-up by signing the informed consent form.

Detailed description

The purpose of this study is to evaluate the long-term benefit of hydrogel spacer when hydrogel is injected between the rectum and cervix in women undergoing radiation therapy.

Interventions

DEVICEhydrogel spacer

Randomly assigned to either the treatment group, who were injected with hydrogel spacer, or the control group, who were not injected with hydrogel spacer.

Sponsors

Shanghai Reunion Biotech Co.,Ltd.
CollaboratorUNKNOWN
Peking Union Medical College Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 75 Years
Healthy volunteers
Yes

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

Design outcomes

Primary

MeasureTime frameDescription
The stability of the hydrogel spacerThrough study completion, an average of 12 monthsIn order to verify the stability of the hydrogel spacer, this test will be based on MRI T2-weighed images.
Scores from Quality of Life Questionnaire-Core 30 Rating (QLQ-C30)through study completion, an average of 12 monthsEuropean Organization for Research on Treatment of Cancer (EORTC) QLQ-C30 is a comprehensive survey instrument designed to assesses the disease-specific aspects of cervical cancer and its therapies. The QLQ-C30 is composed of both multi-item scales and single-item measures. These include five functional scales, three symptom scales, a global health status / QoL scale, and six single items. All of the scales and single-item measures range in score from 0 to 100. A high scale score represents a higher response level. Thus a high score for a functional scale represents a high / healthy level of functioning, a high score for the global health status / QoL represents a high QoL, but a high score for a symptom scale / item represents a high level of symptomatology / problems.
Scores from Quality of Life Core Questionnaire Cervix Cancer Module 24 (QLQ-CX24)through study completion, an average of 12 monthsEuropean Organization for Research on Treatment of Cancer (EORTC) QLQ-CX24 will be used to assess subjects' quality of life. EORTC QLQ-CX24 score from 0 to 100, higher scores indicate better quality of life or more symptoms.
Percentage of subjects with ≥2 grade chronic radiation rectal injurythrough study completion, an average of 12 monthsThe percentage of subjects in the treatment and control groups who had ≥ grade 2 chronic radiation rectal injury after radiation therapy will be calculated and compared between the groups.
Adverse events requiring special attentionthrough study completion, an average of 12 monthsThe number of cases of adverse events requiring special attention related to radiation intestinal injury and the number of subjects having the above adverse events will be recorded in both the treatment and control groups.
The number of (serious) adverse events, (serious) device-related adverse eventsthrough study completion, an average of 12 monthsThe frequency (number of events) of occurrence of (serious) adverse events and device-related (serious) adverse events will be recorded for the entire study period.

Countries

China

Contacts

Primary ContactFuquan Zhang, Doctor
zhangfuquan3@126.com+86 13311360431

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026