Skip to content

Vaginal Cuff Brachytherapy Followed by Chemotherapy in Endometrial Cancer

Phase II Trial of Vaginal Cuff Brachytherapy Followed by Adjuvant Chemotherapy With Carboplatin and Dose Dense Paclitaxel in Patients With High-Risk Endometrial Cancer

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03189446
Enrollment
39
Registered
2017-06-16
Start date
2017-10-02
Completion date
2021-10-06
Last updated
2024-03-08

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

Conditions

Clear Cell Endometrial Cancer, Endometrial Cancer, Papillary Serous

Keywords

Endometrial Cancer, Gynecologic Cancer, radiation therapy

Brief summary

The purpose of this study is to determine the feasibility of treatment in patients with high risk endometrial cancer treated by vaginal cuff brachytherapy followed by 3 cycles of dose dense paclitaxel and carboplatin chemotherapy.

Detailed description

Before the patient begins the study: Endometrial cancer is commonly treated with surgery. The patient must have already had surgery including hysterectomy (removal of the uterus) prior to being considered eligible for this study. The surgery may also include removal of pelvic and para-aortic lymph nodes. Following the surgery, the doctor will identify if the patient has factors related to the cancer which places the patient at a greater risk for the cancer returning. Prior to participating in this study there are exams, tests or procedures to find out if the patient can be treated in the study. Most are part of regular cancer care. Treatment: All patients will receive radiation therapy followed by three cycles of dose dense paclitaxel and carboplatin chemotherapy. Radiation therapy will be delivered either by LDR or HDR brachytherapy and must be specified at the time of enrollment. The vaginal brachytherapy should be started within 12 weeks of surgery (within 2 weeks of enrollment). Chemotherapy should start within 3 weeks of initiating brachytherapy. Study participation will be up to two years.

Interventions

Within 12 weeks of surgery. Either LDR or HDR brachytherapy will be permitted

DRUGCarboplatin

Carboplatin IV on day 1 of a 21 day cycle for 3 cycles

DRUGPaclitaxel

Paclitaxel IV on days 1,8 and 15 of a 21 day cycle for 3 cycles

Sponsors

University of Oklahoma
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 99 Years
Healthy volunteers
No

Inclusion criteria

1. All patients must have undergone hysterectomy. Bilateral salpingooophorectomy is strongly encouraged but not mandatory. 2. Pelvic and para-aortic lymphadenectomy are optional, but strongly encouraged. Peritoneal washing are optional. 3. If either a bilateral salpingo-oophorectomy or nodal dissection was not performed, post-operative pre-treatment CT/MRI is required and must not demonstrate evidence suggestive of metastatic disease (adnexa, nodes, intraperitoneal disease). Post-operative, pre-treatment CT/MRI must be performed if a pelvic and para-aortic nodal dissection was not performed. 4. All patients will be staged according to the FIGO 2009 staging system and with endometrial carcinoma (endometrioid types) confined to the corpus uteri or with endocervical glandular involvement fitting one of the following high-intermediate risk factor categories: * age ≥18 years with 3 risk factors * Risk factors: 1. Grade 2 or 3 tumor, (+) lymphovascular space invasion, outer ½ myometrial invasion. Patients with these risk criteria may be enrolled with either positive or negative cytology. 2. Patients with Stage II endometrial carcinoma (any histology) with cervical stromal invasion. (occult or gross involvement), with or without high-intermediate risk factors. 3. Patients with serous or clear cell histology (with or without other high-intermediate risk factors) are eligible provided the disease is uterine-confined (with or without cervical stromal invasion or endocervical glandular involvement). 5. Patients must have GOG performance status 0, 1, or 2. 6. Patients must have adequate bone marrow, renal, hepatic and neurologic function per protocol. 7. Patients who have met the pre-entry requirements specified in protocol; testing values/results must meet eligibility criteria specified in protocol. 8. Patients must have signed an approved informed consent and authorization permitting release of personal health information.

Exclusion criteria

1. Patients with recurrent disease. 2. Patients with GOG performance status of 3 or 4. 3. Greater than 12 weeks elapsed from surgery to enrollment. 4. Patients have prior pelvic or abdominal radiation therapy. 5. Known hypersensitivity to any component of study treatment that resulted in drug discontinuation. 6. Significant intercurrent illness including, but not limited to, unstable angina pectoris, and cardiac arrhythmia, or psychiatric illness/social situation that would limit compliance with study requirements 7. Active pregnancy or lactation. 8. Prior malignancy requiring treatment within the last 3 years.

Design outcomes

Primary

MeasureTime frameDescription
Number of Patients Completing the Protocol4 monthsDefined as completion of vaginal cuff brachytherapy followed by 3 cycles of dose dense paclitaxel and carboplatin chemotherapy

Secondary

MeasureTime frameDescription
Frequency of Adverse Events Related to Acute Toxicity During Treatment4 monthsFrequency and severity of adverse events as assessed by the CTCAE v4
Sites of Failureup to 2 yearsProportion of participants who experienced failure in regional or distant sites
Recurrence-free Survivalup to 2 yearstime from study entry to the first tumor recurrence
Contributing Cause of Deathup to 2 yearsThe contributing cause of death for patients with high risk endometrial cancer
Overall Survivalup to 2 yearstime from study entry to death

Countries

United States

Participant flow

Recruitment details

Participants were recruited at a single institution from October 2017 to July 2019. The first patient was enrolled on October 2, 2017 and the last patient was enrolled on July 23, 2019

Pre-assignment details

Of 39 enrolled participants, 32 met inclusion criteria and evaluable then assign to the single arm treatment.

Participants by arm

ArmCount
Vaginal Cuff Brachytherapy + Chemotherapy
Vaginal cuff brachytherapy followed by Carboplatin (AUC 6) on day 1and Paclitaxel 80 mg/m2 IV over 1 hour days 1, 8, and 15 X 3 total cycles Vaginal Cuff Brachytherapy: Within 12 weeks of surgery. Either LDR or HDR brachytherapy will be permitted Carboplatin: Carboplatin IV on day 1 of a 21 day cycle for 3 cycles Paclitaxel: Paclitaxel IV on days 1,8 and 15 of a 21 day cycle for 3 cycles
32
Total32

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyAdverse Event2
Overall StudyPhysician Decision1
Overall StudyWithdrawal by Subject2

Baseline characteristics

CharacteristicVaginal Cuff Brachytherapy + Chemotherapy
Age, Continuous64.5 years
Body Mass Index35.1 kg/m^2
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
30 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
1 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
Race (NIH/OMB)
White
28 Participants
Region of Enrollment
United States
32 participants
Sex: Female, Male
Female
32 Participants
Sex: Female, Male
Male
0 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
1 / 32
other
Total, other adverse events
10 / 32
serious
Total, serious adverse events
0 / 32

Outcome results

Primary

Number of Patients Completing the Protocol

Defined as completion of vaginal cuff brachytherapy followed by 3 cycles of dose dense paclitaxel and carboplatin chemotherapy

Time frame: 4 months

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Vaginal Cuff Brachytherapy + ChemotherapyNumber of Patients Completing the Protocol27 Participants
Secondary

Contributing Cause of Death

The contributing cause of death for patients with high risk endometrial cancer

Time frame: up to 2 years

Population: Number of patients who died following protocol treatment

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Vaginal Cuff Brachytherapy + ChemotherapyContributing Cause of DeathUnknown cause of death1 Participants
Vaginal Cuff Brachytherapy + ChemotherapyContributing Cause of DeathAlive31 Participants
Secondary

Frequency of Adverse Events Related to Acute Toxicity During Treatment

Frequency and severity of adverse events as assessed by the CTCAE v4

Time frame: 4 months

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Vaginal Cuff Brachytherapy + ChemotherapyFrequency of Adverse Events Related to Acute Toxicity During Treatment9 Participants
Secondary

Overall Survival

time from study entry to death

Time frame: up to 2 years

Population: Patients who received protocol treatment

ArmMeasureValue (MEDIAN)
Vaginal Cuff Brachytherapy + ChemotherapyOverall SurvivalNA months
Secondary

Recurrence-free Survival

time from study entry to the first tumor recurrence

Time frame: up to 2 years

Population: patients who received protocol therapy

ArmMeasureValue (MEDIAN)
Vaginal Cuff Brachytherapy + ChemotherapyRecurrence-free SurvivalNA months
Secondary

Sites of Failure

Proportion of participants who experienced failure in regional or distant sites

Time frame: up to 2 years

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Vaginal Cuff Brachytherapy + ChemotherapySites of Failure0 Participants

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