MRI-Guided radiation may improve cervical cancer treatment
NCT ID NCT03005743
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This large phase III trial tested whether using MRI scans to guide internal radiation (brachytherapy) works better than the traditional X-ray method for women with locally advanced cervical cancer. Over 1,000 participants received either MRI-based or X-ray-based brachytherapy. The goal was to see if MRI guidance improves tumor control and reduces severe side effects.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- radiation therapy (brachytherapy)
- What this could lead to
- If MRI-guided brachytherapy proves better, it could become the new standard for treating locally advanced cervical cancer, offering better tumor control and fewer long-term side effects.
- What could go wrong
- This trial is completed but results are not yet widely implemented. MRI-guided brachytherapy requires specialized equipment and training, so it may not be available everywhere. Also, individual results vary.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
-
About 1,050 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Dec 2016
- Finished
-
May 2025
- Lead sponsor
-
A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Female participants only
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Cancer of the uterine cervix considered suitable for curative treatment with definitive radio-(chemo) therapy including MRI guided Brachytherapy. * Positive biopsy showing squamous-cell carcinoma, adenocarcinoma or adeno-squamous cell carcinoma of the uterine cervix. * Stage IIB/IIIB according to FIGO and tumor node metastasis (TNM) guidelines * Suitable for Brachytherapy boost * MRI of pelvis at diagnosis is performed * MRI, Computed Tomography (CT) or Positron Emission Tomography (PET) -CT of the retroperitoneal space and abdomen at diagnosis is performed to rule out Para-aortic lymph node metastasis. * Patient informed consent * Pre-treatment Haemoglobin level \>10 g/dL Exclusion Criteria: * Other primary malignancies except carcinoma in situ of the cervix and basal cell carcinoma of the skin. * Metastatic disease * Patients with para-aortic metastatic nodes (stage IVB) to the level of L2 vertebra or further dissemination * Previous pelvic or abdominal radiotherapy * Previous total or partial hysterectomy * Combination of preoperative radiotherapy with surgery * Patients receiving BT only * Patients receiving EBRT only * Patients receiving neoadjuvant chemotherapy * Contraindications to MRI * Contraindications to BT * Active infection or severe medical condition endangering treatment delivery. * Pregnant, lactating or childbearing potential without adequate contraception
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Tata Memorial Hospital
Mumbai, Maharashtra, 400012, India
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