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A Long-term Treatment Extension Study of Niraparib in Participants Who Completed a Prior GlaxoSmithKline/TESARO-sponsored Niraparib Study

Join a study for continued Niraparib treatment after completing a previous trial.

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18 years and older
All
Phase 2
  • Simplified description (AI rewritten)
  • Technical description (Original)

This study is for people already taking niraparib in a previous trial. Niraparib is a medicine used to treat some types of cancer. The study helps to continue receiving this treatment and checks if it is safe to use for a long time. To join, participants need to understand and agree to the study rules, still be benefiting from niraparib, and able to follow the schedule. They must use contraception during and after the study if they can have children.

  • Participants must already be taking niraparib in a previous study.
  • They cannot be pregnant or breastfeeding during the study.
  • Participation requires understanding and agreeing to follow all study rules.
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Study details
    Ovarian Neoplasms
    Breast Neoplasms

NCT04641247

GlaxoSmithKline

17 October 2026

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Learn more about clinical trials

What is a clinical trial?

A clinical trial is a study designed to test specific interventions or treatments' effectiveness and safety, paving the way for new, innovative healthcare solutions.

Why should I take part in a clinical trial?

Participating in a clinical trial provides early access to potentially effective treatments and directly contributes to the healthcare advancements that benefit us all.

How long does a clinical trial take place?

The duration of clinical trials varies. Some trials last weeks, some years, depending on the phase and intention of the trial.

Do I get compensated for taking part in clinical trials?

Compensation varies per trial. Some offer payment or reimbursement for time and travel, while others may not.

How safe are clinical trials?

Clinical trials follow strict ethical guidelines and protocols to safeguard participants' health. They are closely monitored and safety reviewed regularly.
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