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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05961124
Other study ID # 5397
Secondary ID
Status Recruiting
Phase Phase 2
First received
Last updated
Start date August 21, 2023
Est. completion date September 2027

Study information

Verified date August 2023
Source Sunnybrook Health Sciences Centre
Contact Dr. Allan Covens, MD
Phone 416-480-4026
Email al.covens@sunnybrook.ca
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this clinical trial is to test alternative dosing of niraparib in patients with newly diagnosed high-grade, advanced stage ovarian cancer. The main questions it aims to answer are: What is the incidence of hematologic and other adverse events? What is the incidence of dose interruption, dose reduction and discontinuation? What is the length of time of progression-free survival at 24 months?


Description:

This is a single arm phase II study in patients with newly diagnosed high-grade, advanced stage ovarian cancer. Patients must have received a minimum of 4 cycles of front-line platinum-based chemotherapy with a complete response or partial response (no measurable lesion >1 cm and normal cancer antigen (CA -25) after completion of chemotherapy) and primary or interval debulking surgery. This study aims to evaluate the incidence of hematologic and other adverse events and the incidence of dose interruption, dose reduction and discontinuation, and progression-free survival at 24 months with a niraparib dose escalation design. Study enrollment is planned to include 40 patients at one site.


Recruitment information / eligibility

Status Recruiting
Enrollment 40
Est. completion date September 2027
Est. primary completion date September 2025
Accepts healthy volunteers No
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria 1. Patients must be able to understand the study, agree to participate and provide written, informed consent 2. Patients must be female and age >/= 18 years of age 3. Newly diagnosed, histologically confirmed, high-grade serous and grade 3 endometrioid ovarian, primary peritoneal, or fallopian tube cancer undergoing frontline treatment 4. Stage III and IV cancer according to International Federation of Gynecology and Obstetrics (FIGO) 2018 criteria and all patients undergoing neoadjuvant chemotherapy (NACT) 5. Patients must meet the following front-line treatment requirements: i. Patients must have completed a minimum of 4 cycles of platinum-based chemotherapy (carboplatin, cisplatin, oxaliplatin). Primary or interval debulking therapy and intraperitoneal chemotherapy are allowed. ii. Patients must have a complete response or partial tumor response (no lesion >1cm) to platinum-based regimen iii. CA-125 must be either: 1. CA-125 in normal range or 2. CA-125 decreased by 90% during front-line treatment and stable for a minimum of 7 days (does not increase by more than 15%) iv. Study drug can start within 12 weeks of completing chemotherapy 6. Patients must be post-menopausal with no menses for >1 year, or surgically sterilized, or willing to use adequate contraception to prevent pregnancy or abstain from intercourse and agrees not to donate eggs for the purpose of reproduction from study enrollment until 6 months following the last dose of treatment. i. Patients of childbearing potential must have a negative serum or urine pregnancy test (beta human chorionic gonadotropin [hcg]) within 3 days prior to receiving the first dose of study treatment. 7. Eastern Cooperative Oncology Group (ECOG) status of 0 or 1 8. Patients must have adequate organ function at enrollment, as follows: i. Absolute neutrophil count >/= 1.5 x109/L ii. Platelets >/= 100 x109/L iii. Hemoglobin >/= 100 g/L without transfusion iv. Creatinine clearance >/= 60 mL/min using the Cockcroft-Gault equation v. Total bilirubin </= 1.5 times the upper limit of normal (ULN) or direct bilirubin < 1 times the upper limit of normal vi. Aspartate aminotransferase and Alanine aminotransferase = 2.5 x ULN unless liver metastases are present, in which case they must be = 5 x ULN 9. Patients with hypertension should have their blood pressure adequately treated and controlled prior to starting study treatment 10. Patients must be able to take oral medications 11. Patients must agree to complete blood samples prior to cycle 1, then weekly for the first month and as outlined in the protocol Exclusion Criteria: 1. Patient's age is <18 years. 2. Patient who are pregnant, breastfeeding, or expecting to conceive children during the study treatment of for 6 months after completion of the study treatment. 3. Patients with a known hypersensitivity to niraparib or any of its components 4. Patients who have received a poly adenosine diphosphate-ribose polymerase (PARP) inhibitor as part of their previous treatment or participated in a trial where PARP inhibitors were administered in one arm of the trial. 5. Patients enrolled in another investigational trial 6. Patients who received another investigational therapy within 4 weeks or 5 halflives of the investigational agent, whichever is longer 7. Patients with previous persistent (>4 weeks) or >/= grade 3 hematologic toxicity or fatigue from prior cancer therapy. 8. Patients with known history of myelodysplastic syndrome or pre-treatment cytogenetic testing at risk for myelodysplastic syndrome or acute myeloid leukemia 9. Patients receiving concurrent, prohibited medications 10. Patients with previous major surgery within 3 weeks of starting study treatment and must have recovered from any effects of previous surgery. 11. Patients with ascites drained within 4 weeks of starting study treatment 12. Patients receiving palliative radiotherapy to >20% of bone marrow within 2 weeks or any other radiotherapy within 1 week of study treatment 13. Patients receiving a transfusion (platelets or red blood cells) within 4 weeks of treatment 14. Patients planning to donate blood during the study or 90 days after treatment. 15. Patients with a diagnosis of another invasive cancer (other than ovarian cancer), within 2 years prior to randomization (except basal or squamous cell carcinoma of the skin that has been definitively treated i. Patients with uncontrolled brain or leptomeningeal metastases. Controlled brain or leptomeningeal metastasis is defined as: ii. Central nervous system disease that has undergone treatment with radiation or chemotherapy > 1 month before study entry 16. No new or progressive signs or symptoms, stable steroid dose x 4 weeks or not taking steroids 17. Patients considered poor medical risk due to serious, uncontrolled medical disorder, non-malignant systemic disease, or active uncontrolled infection i. Patients with known HIV considered high risk for serious and fatal outcome 18. Patients with evidence of any condition, therapy, or laboratory abnormality that might confound study results or patient participation for full duration of study (Ex. Myelodysplastic syndrome, anemia, leukopenia, neutropenia, thrombocytopenia, etc) 19. Patients who are immunocompromised (Patients with splenectomy are allowed) 20. Patients with known, active hepatic disease (Ex. Hepatitis B or C), active biliary disease (exceptions for Gilbert's syndrome, asymptomatic gallstones, liver metastases or otherwise stable chronic liver disease as per investigator assessment) 21. Patients with QT prolongation >470 milliseconds at screening 22. Patients with a known breast cancer susceptibility gene (BRCA1 and 2) mutation (as they routinely receive olaparib at our institution) If BRCA unknown they are not excluded. 23. Patients with a history of posterior reversible encephalopathy syndrome (PRES) 24. Patients who have had a live vaccine within 30 days of planned start date of study treatment 25. Patients with gastrointestinal abnormalities that may limit absorption 26. Patients with significant cardiovascular disease 27. Patients undergoing serial blood counts to achieve a value to meet eligibility 28. Patients receiving blood product transfusions in order to meet eligibility criteria

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Niraparib
Niraparib (Zejula) will be administered as an oral treatment once daily (continuously in a 28-day cycle). Niraparib will be administered in a dose escalation design where patients will start at a dose of 100 mg PO daily for the first two cycles (28-days each cycle), if tolerated, the dose will be increased to 200 mg PO daily for the third and fourth cycle.

Locations

Country Name City State
Canada Sunnybrook Research Institute Toronto Ontario

Sponsors (2)

Lead Sponsor Collaborator
Sunnybrook Health Sciences Centre GlaxoSmithKline

Country where clinical trial is conducted

Canada, 

Outcome

Type Measure Description Time frame Safety issue
Primary Incidence of thrombocytopenia Incidence of thrombocytopenia <100 x 109/L requiring a treatment interruption 2 years
Secondary Incidence of dose reduction due to thrombocytopenia 2 years
Secondary Incidence of discontinuation due to thrombocytopenia 2 years
Secondary Incidence of other hematologic toxicity 2 years
Secondary Incidence of dose reduction due to other hematologic toxicity 2 years
Secondary Incidence of discontinuation due to other hematologic toxicity 2 years
Secondary Incidence of other toxicities 2 years
Secondary Incidence of dose reduction due to other toxicities 2 years
Secondary Incidence of discontinuation due to other toxicities 2 years
Secondary Incidence of discontinuation due to disease progression 2 years
Secondary Incidence of discontinuation for other reasons 2 years
Secondary Progression-free survival at 24 months 2 years
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