ClinicalTrials.gg
RecruitingNCT06412120Updated Aug 5, 2026

Study Evaluating Safety, Tolerability, and Metabolism of Niraparib

A Phase 4 interventional study of Niraparib in Ovarian Cancer, sponsored by University of Miami. Recruiting at 4 sites in 2 countries. Open to female participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-08-05.

Sponsored by University of Miami · Phase 4, Interventional, and Treatment

From the registry’s dates

  • Started Jul 2026; still recruiting 3 months later.
Phase
Phase 4
Study type
Interventional
Enrollment
70
Allocation
Not applicable
Ages
18 Years and older
Sex
Female
01

Study summary

The purpose of this study is to identify the genetic characteristic(s), specifically degree of African ancestry, and environmental characteristic(s) that appear to be related to the effects, both good and bad, that the maintenance treatment has women with ovarian cancer. In this study, an investigational medication called niraparib is being tested for the treatment of ovarian cancer. Niraparib works by blocking the ability of cancer cells to fix their genes. Cancer cells with damaged genes have a harder time growing and spreading in the body and can even die.

02

Conditions studied

  • Ovarian Cancer

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03

In context

Ovarian Neoplasms

3,381 studies on the registry are indexed under Ovarian Neoplasms; 790 are open to participants now.

This study's planned enrollment of 70 is above the median of 54 across 2,548 interventional studies indexed under Ovarian Neoplasms.

Browse Ovarian Neoplasms studies →

Lead sponsor

University of Miami is the lead sponsor of 840 studies on the registry; 164 are open to participants now.

Of its 115 completed or terminated interventional studies of FDA-regulated products, 97 (84%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
Female
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Participant must be female ≥18 years of age, able to understand study procedures, and agree to participate in the study by providing written .
  2. Self-identify as Black. Please note that individuals who identify as Latino are eligible to participate so long as they also self-identify as Black.
  3. Participant has completed treatment for newly diagnosed stage III or IV ovarian, fallopian tube, or primary peritoneal cancer according to the International Federation of Gynecology and Obstetrics staging criteria.
  4. Participant must have high-grade serous or high-grade endometrioid histology.
  5. Participant must provide saliva and/or blood specimens for assessment of germline mutation(s) in the Fanconi Anemia pathway.
  6. Participant must provide formalin-fixed, paraffin-embedded (FFPE) or fresh tumor specimen from initial cytoreductive surgery (primary debulking) or initial pre-treatment core (if neoadjuvant chemotherapy (NACT) received; tumor obtained from interval cytoreduction acceptable if pre-treatment biopsy not obtained).
  7. Participant must have had a complete or partial clinical response to adjuvant treatment as confirmed by CT scan within 8 weeks after completion of the last dose of platinum-based chemotherapy.
  8. Participant must have recovered to ≤ Grade 1 in terms of toxicity from prior treatments.
  9. Participant must not have any known or to niraparib or any of its .
  10. Participants must be considered candidates for maintenance niraparib therapy by their treating physician.
  11. Participants should have adequate organ function as defined below:

    • ≥ 100 platelets × 10\^9/L
    • ≥ 9 g/dL or 5.6 mmol/L
    • (AST) and alanine transaminase (ALT) ≤2.5 × (ULN), \<5× in patients with known liver
    • Serum total ≤ 1.5 × ULN
    • 1.5-3.0 × ULN may be included with appropriate starting dose adjustment to 200 mg daily.
    • Creatinine \<1.5 × ULN or estimated (eGFR) ≥50 mL/min by

      • Depending on scenario, glomerular filtration rate (GFR) 30-49 mL/min can be permissible.
  12. Patients with known (HIV) are allowed if they meet all the following criteria:

    • Cluster of differentiation 4 (CD4) ≥350/μL and viral load \<400 copies/mL
    • No history of acquired immunodeficiency syndrome (AIDS)-defining opportunistic infections within 12 months before enrollment
    • No history of HIV-associated for the past 5 years. Concurrent antiretroviral therapy as per the most current National Institutes of Health (NIH) Guidelines for the Use of Antiretroviral Agents in Adults and Adolescents with HIV started >4 weeks before study enrollment.
  13. A female participant is eligible to participate if she is not pregnant or breastfeeding and at least one of the following conditions applies:

    • Is not a woman of (WOCBP), or
    • Is a WOCBP and using a method that is highly effective (with a failure rate of \<1% per year) from the Screening Visit through at least 180 days after the last dose of study treatment and agrees not to donate eggs (ova, oocytes) for the purpose of reproduction during this period. The Investigator should evaluate the effectiveness of the contraceptive method in relationship to the first dose of study treatment, and
    • A WOCBP must have a negative test result from a highly sensitive pregnancy test (urine or serum, as required by local regulations) within 72 hours before treatment. Additional periodic testing should be carried out according to the protocol.

    Note: The Investigator is responsible for review of medical history, menstrual history, and recent sexual activity to decrease the risk for inclusion of a woman with an early undetected pregnancy.

  14. Participant must agree to complete HRQoL and patient reported outcomes (PRO) measures throughout the study period.

Exclusion criteria

Exclusion Criteria:

  1. Any of the following histologies: low-grade serous carcinoma, grade 1 or 2 endometrioid adenocarcinoma, clear cell, mucinous, transitional cell, carcinosarcoma, undifferentiated, dedifferentiated
  2. Any known history or current diagnosis of myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML)
  3. Primary progressive, platinum- disease
  4. Participant is at an increased risk of bleeding due to concurrent conditions (eg, major injuries or major surgery within the past 28 days before start of study treatment).
  5. Current diagnosis of disorder (eg, thrombotic thrombocytopenic purpura (TTP), immune thrombocytopenia (ITP))
  6. Inability to swallow orally administered medication or has a gastrointestinal disorder likely to interfere with absorption of the study medication
  7. Participants that have systolic blood pressure (SBP])>140 mmHg or diastolic blood pressure (DBP)>90 mmHg that has not been adequately treated or controlled.
  8. Active second primary
  9. Participant is pregnant, currently breastfeeding an infant, or expecting to conceive children while receiving study treatment and/or for up to 180 days after the last dose of study treatment.
  10. Participant has received a within 30 days of planned start of study therapy. Coronavirus disease 2019 (COVID-19) vaccines that do not contain live viruses are allowed.
  11. Participant has received a transfusion (platelets or red blood cells) or colony-stimulating factors (eg, granulocyte macrophage colony-stimulating factor or recombinant erythropoietin) within 4 weeks before the first dose of study treatment.
  12. Participant has had radiotherapy encompassing >20% of the bone marrow within 2 weeks or any radiation therapy within 1 week before Day 1 of protocol therapy.
  13. Participant has , carcinomatous meningitis, symptomatic , or radiographic signs of central nervous system hemorrhage.
  14. Participant has current active pneumonitis or any history of pneumonitis requiring (any dose) or immunomodulatory treatment within 90 days of planned start of the study.
  15. Participants with active or C infection.
  16. Patient with prior history of posterior reversible encephalopathy syndrome (PRES).
  17. Patients with impaired decision-making capacity.
  18. Participants have high medical risk due to a serious, uncontrolled medical disorder; non malignant systemic disease; or active, uncontrolled infection. Examples include, but are not limited to, uncontrolled ventricular arrhythmia, recent (within 90 days) myocardial infarction, uncontrolled major seizure disorder, unstable spinal cord compression, superior vena cava syndrome, active uncontrolled coagulopathy, bleeding disorder, or any psychiatric disorder that prohibits obtaining .
  19. Patient is currently receiving one or more cytotoxic, hormonal, or other medications to treat their cancer.
Terms in these criteria, in plain language(24)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Adjuvant and neoadjuvant

Neoadjuvant treatment is given before the main treatment (usually surgery), often to shrink a tumour. Adjuvant treatment is given after it, to lower the chance of the cancer coming back.

Biopsy and archival tissue

A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.

Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

Hypersensitivity

An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.

Excipients

The other ingredients in a medicine besides the active drug, such as fillers, colours or preservatives.

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

Hemoglobin (Hb)

The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

Metastases

Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

GFR and eGFR (kidney filtering)

GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².

Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.

Creatinine clearance (CrCl)

How quickly the kidneys clear creatinine, a waste product, from the blood. A study may estimate it from a blood test with age, weight and sex (often by the Cockcroft–Gault formula), or measure it using blood and urine collected over a set time. Given in mL/min; higher is better.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Relapsed and refractory

Relapsed: the illness came back after treatment had worked. Refractory: it did not respond to treatment, or stopped responding while still on it.

Live vaccines

Vaccines made with a weakened form of the germ, such as measles–mumps–rubella (MMR), chickenpox and yellow fever. They can be risky when the immune system is weakened. Flu injections are not live; the nasal flu spray is.

Leptomeningeal disease

Cancer that has spread to the leptomeninges, the thin layers covering the brain and spinal cord, and the fluid between them. It is not the same as brain metastases.

Criteria often treat it separately, and many studies leave it out even where treated brain metastases are allowed.

Brain metastases

Cancer deposits in the brain from a cancer that started elsewhere in the body (CNS metastases include the spinal cord).

Studies differ: some leave out any brain metastases, some accept ones treated and stable for some weeks. Check what this study allows.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

05

Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
70 participants (estimated)

Study arms

  • Experimental
    Niraparib Maintenance Group

    Participants in this group will receive Niraparib maintenance therapy for up to 24 cycles, 28 days per cycle. Participants will be followed for up to one (1) year after completion of Niraparib therapy. Total participation is about three years.

    Drug: Niraparib

Interventions

  • Niraparib will be administered orally (PO) daily as tablets at one of three possible dose levels, 100mg/day, 200mg/day or 300mg/day, based upon participant weight, platelet count, and certain drug combinations and conditions assessed at baseline.

    Also known as: GSK3985771

06

What researchers measure

Primary outcomes

  1. Proportion of Participants Experiencing Any Grade or Grade 3 or Higher of the Most Common Adverse Events (AEs) Previously Reported in the PRIMA trial (NCT02655016).

    The proportion of participants in this study experiencing any grade or grade 3 or higher of the most common adverse events (AEs), of any treatment attribution, as those previously reported in the PRIMA Trial (NCT02655016). Adverse events will be assessed using the National Cancer Institute (NCI) Common Terminology for Adverse Events (CTCAE) version 5.0. The most common adverse events previously reported include: Anemia, nausea, thrombocytopenia, constipation, fatigue, neutropenia, headache, insomnia, vomiting, abdominal pain, and hypertension.

    Time frame: Up to 3 years

Secondary outcomes

  1. Proportion of Participants Experiencing Grade 3 or Higher Toxicity

    The proportion of participants experiencing any grade or grade 3 or higher adverse events, and serious adverse events (SAEs) will be reported, regardless of treatment attribution. Adverse events (AEs) or serious adverse event (SAEs) leading to treatment discontinuation, dose reduction, dose interruption, or death will also be reported. Adverse events will be assessed using the National Cancer Institute (NCI) Common Terminology for Adverse Events (CTCAE) version 5.0.

    Time frame: Up to 3 years

  2. Proportion of Participants Experiencing Grade 3 or Higher Treatment-Related Adverse Event

    The proportion of participants experiencing any grade or grade 3 or higher treatment-related adverse event (TRAE) will be reported. Adverse events will be assessed using the National Cancer Institute (NCI) Common Terminology for Adverse Events (CTCAE) version 5.0.

    Time frame: Up to 3 years

  3. Recurrence-Free Survival

    Recurrence-free survival (RFS) among participants will be reported. RFS is defined as the elapsed time from the start date of study therapy to the date of recurrence as measured by cancer-antigen 125 (CA-125) levels in the blood and by computed tomography (CT) imaging utilizing Response Evaluation Criteria in Solid Tumors (RECIST v1.1) criteria; or until date of death from any cause.

    Time frame: Up to 3 years

  4. Change in Health-Related Quality of Life (HRQOL) as Measured by FACT-GP5

    Change in health-related quality of life among participants will be reported as measured by score on the Functional Assessment of Cancer Therapy-Item GP5 (FACT-GP5). FACT-GP5 is a single item, GP5, from the Functional Assessment of Cancer Therapy questionnaire, scored using a five-point Likert-type scale ranging from 0 to 4. A higher score indicates worsening health-related quality of life.

    Time frame: Up to 3 years

  5. Change in Health-Related Quality of Life (HRQOL) as Measured by FOSI

    Change in health-related quality of life among participants will be reported as measured by scores on the Functional Assessment of Cancer Therapy-Ovarian (FACT-O) Symptom Index (FOSI). FOSI is a subset of the Functional Assessment of Cancer Therapy Ovarian Cancer containing eight items. Each item is scored using a five-point Likert-type scale ranging from 0 to 4 with higher scores indicating worsening health-related quality of life.

    Time frame: Up to 3 years

  6. Pharmacokinetics of Niraparib Measured By Cmax

    The pharmacokinetics (PK) of niraparib among participants will be reported, measured as the maximal serum concentration (CMax).

    Time frame: Up to 22 months

  7. Pharmacokinetics of Niraparib Measured by AUC

    The pharmacokinetics (PK) of niraparib among participants will be reported, measured as the area under the concentration curve (AUC).

    Time frame: Up to 22 months

07

Study locations

4 of 4 sites recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Started Jul 2026 (actual). Primary completion is estimated for Jul 2029, 36 months after the start.

How these figures are worked out, and which studies are left out of them.

Registered
May 8, 2024
First posted
May 14, 2024
StartActual
Jul 28, 2026
Primary completionEst.
Jul 28, 2029
CompletionEst.
Jul 28, 2031
Last update
Aug 5, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Aug 5, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06412120
Collaborators
GlaxoSmithKline
Responsible party
Sponsor
First posted
May 14, 2024
Start date
Jul 28, 2026
Primary completion
Jul 28, 2029 (estimated)
Completion
Jul 28, 2031 (estimated)
Last update
Aug 5, 2026

Study contacts

Matthew Schlumbrecht, MD, MPH
Contact
mschlumbrecht@med.miami.edu
305-243-2233
Matthew Schlumbrecht, MD
principal investigator · University of Miami
Sophia HL George, PhD
principal investigator · University of Miami

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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Studies of the drug tested here: Niraparib

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