Clinical trial · Interventional
3DUS Imaging of Needles in Gynecological Brachytherapy
A Multi-Modality Comparison of Needle Placement During Gynecological Brachytherapy Procedures
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
Brachytherapy treatment in gynecological cancers is an essential component to delivering adequate doses of radiation to a tumour while sparing normal tissue. Interstitial or intra-cavitary brachytherapy are often needed in advanced or recurrent disease, in cases where intrauterine brachytherapy may not deliver the optimal outcome. Interstitial or intra-cavitary brachytherapy are based on a defined template-and-needle system, and the procedure relies on clinical examination and pre-treatment imaging to guide needle insertion. There is currently no standard image-guided process to help direct needles in the pelvis. We propose using 3D ultrasound to provide real-time imaging for the brachytherapy procedure, which will aid in avoiding needle insertion into pelvic organs and result in optimal dose coverage to the tumour.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Gynecologic Cancer | Malignant Female Reproductive System Neoplasm | ALIAS | 0.90 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Gynecological brachytherapy | Device | — | UNRESOLVED |
Design
Arms and outcomes
Arms (1)
- type
- OTHER
- label
- Patients
- description
- Device: Gynecological brachytherapy requiring an Interstitial or ring and tandem insert involves insertion of the needle and applicators with no standard real-time image guidance. Occasionally 2-dimensional ultrasound is used, but it greatly limited by its flat nature, preventing a volumetric view of the needle pathways. Interstitial brachytherapy is done under general anesthesia. The trans-abdominal and trans-rectal standard 2D ultrasound that are used in some cases, will be expanded to 3D dimensional imaging through the use of an investigational device. Pre-procedure imaging in the form of MRI is used to help guide needles insertion as well as the clinical exam. Post-procedure CT is done for radiation planning.
- interventionNames
- Device: Gynecological brachytherapy
Primary outcomes (1)
- measure
- Needle Localization Accuracy
- timeFrame
- 16 Months
- description
- Observed needle locations in 3-D TVUS and CT planning images are measured and compared.
Eligibility
Eligibility (as posted)
- Sex
- Female
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Females of age eighteen (18) or greater. * Patients with locally advanced or recurrent gynecological malignancies who are offered interstitial or ring and tandem brachytherapy treatment. These typically would include patients with primary or recurrent vaginal cancers, endometrial cancers or cervical cancers. Histologies of these cancers are typically adenocarcinomas or squamous cell carcinomas Exclusion Criteria: • Above patients who are not offered interstitial brachytherapy as a treatment modality
References
Publications (0)
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