Trial of Maintenance With Niraparib- Uterine Serous Carcinoma

  • STATUS
    Recruiting
  • End date
    Jul 1, 2025
  • participants needed
    45
  • sponsor
    Northwell Health
Updated on 5 August 2021
cancer
corticosteroids
hysterectomy
absolute neutrophil count
serum pregnancy test
carcinoma
direct bilirubin
oophorectomy
corticosteroid
neutrophil count
chemotherapy regimen
follicle stimulating hormone
ovarian cancer
niraparib
serous adenocarcinoma
uterine papillary serous carcinoma
uterine carcinoma

Summary

Uterine serous carcinoma (USC) accounts for up to 40% of endometrial cancer-related deaths. Patients with USC share many genomic and clinical characteristics with patients who has serous ovarian cancer. The objective of this study is to evaluate the efficacy of maintenance Niraparib regimen in patients with advanced or platinum sensitive recurrent uterine serous carcinoma. Additionally, the investigators aim to further describe the safety of this regimen. The investigators hypothesize that Niraparib maintenance will be a well-tolerated treatment and show significant response in patients with uterine serous carcinoma.

Description

Uterine serous carcinoma (USC) accounts for up to 40% of endometrial cancer-related deaths. In contrast to the more common endometrioid histology, USC is more likely to present in advanced stage and carries a worse prognosis. USC mimics the most common serous carcinoma of the ovary and has high probability for nodal and intra-peritoneal spread. Furthermore, studies have indicated that USC harbors a high frequency of somatic TP53 mutations, germline BRCA1 mutations, and mutations within the Fanconi Anemia - BRCA pathway. Data is supportive of the USC association with hereditary breast and ovarian cancer, essentially harboring mutations in DNA repair genes. Approximately 5% of women with USC have germline mutations in 3 different tumor suppressor genes including BRCA1, CHEK2, and TP53.(1,2) The Cancer Genome Atlas Research network reported 4 groups of endometrial tumors based on integrated genomic data - including a novel POLE subtype in 10% endometrial tumors. Patients with uterine serous cancers shared many similar characteristics with basal-like breast and high grade serous ovarian cancers, suggesting a correlation with "BRCAness".(3)

Given the "BRCAness" of USC, recent multicenter prospective cohort study of 1083 women with BRCA1 and BRCA2 mutations who underwent risk reducing salpingo-oophorectomies (RRSO) without hysterectomy were noted to have increased serous/serous-like endometrial carcinoma if they harbored BRCA1 mutations.(4) The study recommended to consider this risk of uterine cancer when discussing the advantages and risks of hysterectomy at the time of RRSO in BRCA1 women. This further supports the high rates of mutations noted among USC patients. A recent systematic review and meta-analysis support the view that USC is a component of BRCA 1/2 -associated tumors. Furthermore, this analysis supports that women with USC should be offered screening for germline mutations when there is a positive family history of malignancies associated with hereditary breast and ovarian cancer syndrome(HBOCS).(5) Furthermore, the Cancer Genome Atlas Research network reported 4 groups of endometrial tumors based on integrated genomic data - including a novel POLE subtype in 10% endometrial tumors. Patients with uterine serous cancers shared many similar characteristics with basal-like breast and high grade serous ovarian cancers, suggesting a correlation with "BRCAness".(3)

Poly(ADP-ribose) polymerases (PARP1 and PARP2) play an important role in DNA repair. Upon formation of DNA breaks, PARP binds at the end of broken DNA strands helping in DNA repair of damage. The hypothesis is that treatment with PARP inhibitors will allow the killing of a subset of cancer cells with deficiencies in DNA repair pathways. For example, a tumor harboring a BRCA or Homologous Recombination gene mutation will have selective blockage by PARP inhibitors in order to maintain genomic integrity. Furthermore, the data in serous ovarian cancer has indicated that tumors arising in a non-BRCA patient that has a homologous recombination deficiency could also enhance tumor cell sensitivity to PARP inhibitors.

PARP inhibitors (PARPi) are synthetically lethal to tumor cells with homologous recombination deficiency (HRD). HRD leads to common phenotype of genome-wide loss of heterozygosity (LOH). Recent analysis of the ARIEL2 part 1 in platinum sensitive ovarian cancer trial found that patients with germline or somatic BRCA mutation or wild-type BRCA with high LOH had longer progression-free survival and improved responses with rucaparib treatment than did patients with wild-type BRCA and low LOH.(7)

The rationale for this current trial is based on significant clinical and genomic similarities of USC and epithelial ovarian carcinomas.(1,2,4) Currently the treatment for stage III and IV USC yields approximately 20-30% survival at 2 years and 10%-20% survival at 3-5 years post diagnosis with current standard therapy of chemotherapy +/-radiation depending on the sites of the disease at surgical staging/debulking. Furthermore, there is no successful second line therapy for patients with recurrent USC and no available clinical trials for patients with recurrent disease. Given the most recent findings of the multi-national, Phase 3 NOVA trial in women with platinum sensitive, recurrent ovarian cancer, Niraparib significantly prolonged the median progression-free survival - irrespective of the presence or absence of a germline BRCA mutation or the presence/absence of a homologous recombinant deficiency.(6) The investigators hypothesize that patients receiving Niraparib maintenance in addition to standard therapy for USC may lead to improved progression free survival in women with suboptimally debulked stage III, stage IV, and platinum-sensitive recurrent USC. The investigators hypothesize that this treatment will be well tolerated in this group of patients.

Details
Condition Papillary Serous Endometrial Carcinoma, Endometrial Carcinoma, Uterine Cancer, Endometrial Cancer, uterine papillary serous carcinoma, Uterine Serous Carcinoma
Treatment Niraparib
Clinical Study IdentifierNCT04080284
SponsorNorthwell Health
Last Modified on5 August 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Female, age at least 18 years
ECOG performance status of <2
Written voluntary informed consent
Histologically diagnosed Uterine Serous Carcinoma
Patient must agree to undergo Foundation One testing
Patient diagnosed with advanced stage USC including stage III, stage IV, or platinum-sensitive recurrent USC
If recurrent USC, patient must have platinum sensitive disease after initial treatment; defined as achieving a response (CR or PR) and disease progression >6 months after completion of their last dose of platinum chemotherapy
Patients eligible if receiving 1st or 2nd line chemotherapy for recurrence
The patient must have achieved a partial, stable, or complete tumor response following the last chemotherapy (minimal of 3 cycles) regimen of physician choice chemotherapy indicating partial, stable, complete tumor response
Patients must receive Niraparib maintenance within 12 weeks after completion of their final dose of chemotherapy regimen or within 14 weeks if received radiation therapy. CT Chest/Abd/Pelvis will be performed within 28 days of starting Niraparib
Lesions can be non-measurable or measurable by RECIST 1.1 criteria
Adequate organ function, defined as
Absolute neutrophil count 1,500/L
Platelets 100,000/L
Hemoglobin 9 g/dL
Serum creatinine 1.5 x upper limit of normal (ULN) or calculated creatinine clearance 30 mL/min using the Cockcroft-Gault equation
Total bilirubin 1.5 x ULN (2.0 in patients with known Gilberts syndrome) OR direct bilirubin 1 x ULN
Aspartate aminotransferase and alanine aminotransferase 2.5 x ULN unless liver metastases are present, in which case they must be 5 x ULN
Participant receiving corticosteroids may continue as long as their dose is stable for least 4 weeks prior to initiating protocol therapy
Participant must agree to not donate blood during the study or for 90 days after the last dose of study treatment
Female participant has a negative urine or serum pregnancy test within 7 days prior to taking study treatment if of childbearing potential and agrees to abstain from activities that could result in pregnancy from screening through 180 days after the last dose of study treatment, or is of non childbearing potential. Non childbearing potential is defined as follows (by other than medical reasons)
45 years of age and has not had menses for >1 year Patients who have been amenorrhoeic for <2 years without history of a hysterectomy and oophorectomy must have a follicle stimulating hormone value in the postmenopausal range upon screening evaluation Post-hysterectomy, post-bilateral oophorectomy, or post-tubal ligation. Documented hysterectomy or oophorectomy must be confirmed with medical records of the actual procedure or confirmed by an ultrasound. Tubal ligation must be confirmed with medical records of the actual procedure, otherwise the patient must be willing to use 2 adequate barrier methods throughout the study, starting with the screening visit through 180 days after the last dose of study treatment. See Section 6.4 for a list of acceptable birth control methods. Information must be captured appropriately within the site's source documents. Note: Abstinence is acceptable if this is the established and preferred contraception for the patient
Participant must agree to not breastfeed during the study or for 180 days after the last dose of study treatment
Able to take oral medications

Exclusion Criteria

\. Participant must not be simultaneously enrolled in any interventional clinical trial 2. Drainage of ascites during the last 2 cycles of last chemotherapy 3. Radiotherapy was given within 2 weeks encompassing >20% of the bone marrow or any radiation therapy within one week prior to Day 1 of protocol therapy. Participant must not have received investigational therapy 4 weeks, or within a time interval less than at least 5 half-lives of the investigational agent, whichever is shorter, prior to initiating protocol therapy. 4. Persistent >Grade 2 anemia, neutropenia, or thrombocytopenia from prior cancer therapy, that has persisted > 4 weeks and was related to the most recent treatment. 5. Symptomatic uncontrolled brain or leptomeningeal metastases. 6. Known hypersensitivity to the components of Niraparib 7. Major surgery within 3 weeks of starting the study or patient has not recovered from any effects of any major surgery 8. Diagnosis, detection, or treatment of invasive cancer other than uterine cancer </= 2 years prior to study enrollment (except basal or squamous cell carcinoma of the skin that has been definitively treated) 9. Patient considered a poor medical risk due to serious, uncontrolled medical disorder, non-malignant systemic disease or active uncontrolled infection. 10. Patients must not have received a transfusion within 4 weeks of the first dose of study treatment 11. Participant must not have received colony stimulating factors (e.g., granulocyte colony-stimulating factor, granulocyte macrophage colony stimulating factor, or recombinant erythropoietin) within 4 weeks prior initiating protocol therapy. 12. Participant must not have any known history of myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML) 13. Immunocompromised patients (splenectomy patients are allowed) 14. Patients with known active hepatitis disease 15. Prior treatment with a known PARP inhibitor 16. Patients noted to have MSI-H mutational burden
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