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Effect of Bladder Distension on Dosimetry in Brachytherapy of Cervical Cancer

Not Applicable
Completed
Conditions
Cervical Cancer
Interventions
Other: brachytherapy
Registration Number
NCT02865837
Lead Sponsor
Institut de Cancérologie de Lorraine
Brief Summary

The purpose of this study is to compare, for each patient, dosimetry of organs at risk (bladder, rectum, sigmoid, small bowel) in two bladder distension procedures (emptied by a urinary catheter or filled with 120cc) during PDR 3D image-guided brachytherapy of cervical cancer.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
22
Inclusion Criteria
  • Age > or = 18 years old

  • with a cervical cancer histologically proven (squamous cell carcinoma, adenocarcinoma and neuroendocrine cell carcinoma)

  • Utero-vaginal brachytherapy indications::

    • Stage 1B1: brachytherapy before surgery
    • Stages IB2 to IIIB: after pelvic radiotherapy (45Gy/25 fractions/5 weeks) with or without concomitant chemotherapy
  • Ability to provide an informed written consent form

  • Patient must be affiliated to a social security system

Exclusion Criteria
  • Age < 18 years old
  • History of pelvic radiotherapy
  • History of pelvic surgery
  • Recent joint prothesis (<3 months)
  • Pregnant woman or being breastfeeding
  • Patients deprived of liberty or under supervision

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
ARM 1brachytherapy-
Primary Outcome Measures
NameTimeMethod
Demonstrate the non inferiority of 3D image-guided brachytherapy with emptied bladder compared to filled bladder for the dose received by the bladder1 day

Difference of the maximum dose received by 2 cm3 bladder (D2cc) between the two conditions: full and empty.

Secondary Outcome Measures
NameTimeMethod
Non-inferiority based on the dose received by the rectum1 day
Non-inferiority based on the dose received by the small bowel1 day
Body Mass Index1 day
Non-inferiority based on the dose received by the sigmoid1 day
FIGO staging system1 day

Trial Locations

Locations (1)

Institut de Cancérologie de Lorraine

🇫🇷

Vandoeuvre-lès-Nancy, France

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