Ovarian Cancer Clinical Trial
A Study to Compare Two Surgical Procedures in Individuals With BRCA1 Mutations to Assess Reduced Risk of Ovarian Cancer
Summary
This trial studies how well two surgical procedures (bilateral salpingectomy and bilateral salpingo-oophorectomy) work in reducing the risk of ovarian cancer for women with BRCA1 mutations. Bilateral salpingectomy involves the surgical removal of fallopian tubes, and bilateral salpingo-oophorectomy involves the surgical removal of both the fallopian tubes and ovaries. This study may help doctors determine if the two surgical procedures are nearly the same for ovarian cancer risk reduction for women with BRCA1 mutations.
Full Description
PRIMARY OBJECTIVE:
I. To compare the non-inferiority of bilateral salpingectomy (BLS) with delayed oophorectomy to bilateral salpingo-oophorectomy (BSO) to reduce the risk of ovarian cancer among individuals with deleterious BRCA1 germline mutations.
SECONDARY OBJECTIVES:
I. To prospectively assess estrogen deprivation symptoms in pre-menopausal BLS patients as measured by the Functional Assessment of Cancer Therapy - Endocrine Symptom (FACT-ES) subscale compared to pre-menopausal patients in the BSO arm.
II. To determine if health-related quality of life (QOL) (FACT) is negatively impacted by menopausal symptoms (menopausal symptom checklist-Menopausal Symptom Checklist [MSCL]) and sexual dysfunction (Female Sexual Function Index [FSFI]) in pre-menopausal patients who have undergone BLS, in comparison to normative data (MSCL/FACT-ES) and data from pre-menopausal BSO patients.
III. To determine if health-related QOL (FACT) is negatively impacted by cancer distress (Impact of Event Scale [IES]) in individuals who have undergone BLS, in comparison to BSO patients.
IV. To assess medical decision making, as measured by the Shared Decision Making Questionnaire (SDM-Q-9) and Decision Regret Scale (DRS), and determine factors associated with the risk of reducing surgical treatment choice.
V. To assess adverse events, graded using Common Terminology Criteria for Adverse Events (CTCAE) version (v)5.0.
EXPLORATORY OBJECTIVES:
I. Sexual dysfunction, as measured by selected Patient-Reported Outcomes Measurement Information System (PROMIS) screener and external sexual function items (pre-menopausal patients).
II. To estimate the cost-effectiveness of BLS compared to BSO for ovarian cancer risk reduction.
III. To assess medical decision making, as measured by the Risk-Reducing Medical Decision Making (RR-MDM) survey, a targeted set of questions on risk reducing surgical treatment choice.
TRANSLATIONAL RESEARCH OBJECTIVE:
I. To bank tissue and blood biospecimens for future research.
OUTLINE: Patients are assigned to 1 of 2 groups.
GROUP I: Patients undergo bilateral salpingectomy. Patients may then undergo oophorectomy after initial surgery.
GROUP II: Patients undergo bilateral salpingo-oophorectomy.
Patients in both groups also undergo a transvaginal ultrasound during screening and blood sample collection throughout the trial.
After completion of study, patients are followed up at 10-60 days, 6, 12, and 24 months, and then annually for up to 20 years.
Eligibility Criteria
Inclusion Criteria:
Individuals 35-50 years of age, inclusive
Patients who are undergoing risk-reducing salpingo-oophorectomy (RRSO) (for the BSO arm) and patients who have declined or elected to defer BSO after proper counselling to clearly explain the standard of care for BRCA1 mutation carriers and are undergoing salpingectomy (for the BLS arm with delayed oophorectomy arm). Concurrently planned hysterectomy with either arm is permitted
At least one intact ovary and fallopian tube is in situ at the time of counseling and consent. Prior hysterectomy is allowed provided it did not include bilateral salpingectomy. Prior tubal ligation is allowed if one intact ovary and fallopian tube (with fimbria not removed) are present
Positive Clinical Laboratory Improvement Act (CLIA)-approved test results for pathogenic or likely pathogenic germline BRCA1 mutation in the patient. Documentation of the result is required
Patients may be premenopausal or menopausal
Transvaginal ultrasound (TVUS) and CA-125 within 180 days of registration
The patient or a legally authorized representative must provide study-specific informed consent prior to study entry
Individuals who are currently pregnant or plan to become pregnant in the future through assisted reproductive technologies and who have received proper counseling are eligible. Individuals who are currently pregnant and plan bilateral salpingectomy at the time of a planned cesarean section are eligible. Patients must understand that they will not be able to become pregnant naturally in the future
Exclusion Criteria:
Individuals with a history of any prior cancer who have received chemotherapy within the past 30 days or radiotherapy to abdomen or pelvis at any prior time
Prior history of ovarian cancer, including low malignant potential neoplasms (LMP), primary peritoneal carcinoma, or fallopian tube carcinoma
Patients medically unfit for the planned surgical procedure
Patients with abnormal screening tests (TVUS, CA-125) suspicious for occult or gross pelvic malignancy or neoplasm within the past 180 days
An abnormal TVUS is defined as morphologic or structural variations suspicious for ovarian malignancy or complex cystic lesions (simple cysts < 5 cm in maximal diameter are not exclusionary)
An abnormal CA-125 is defined as a level > 50 U/ml in premenopausal individuals if they are not current users of oral contraceptives; an abnormal CA-125 is defined as a level > 40 U/ml for premenopausal individuals who are current users of oral contraceptives. An abnormal CA-125 is defined as a level > 35 U/ml in postmenopausal individuals.
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