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Ovarian cancer drug niraparib maintains remission and extends time without symptoms

News Releases
Mar 16, 2019

For Immediate Release

Devon Herzoff

HONOLULU (March 16, 2019) ? Findings from a recent clinical trial presented today at the Society of Gynecologic Oncology’s 50th Annual Meeting on Women’s Cancer revealed that women with recurrent ovarian cancer who received niraparib as maintenance therapy experienced more time without certain side effects than those who received placebo.

Niraparib, a PARP inhibitor, provides significantly longer progression-free survival times for women with recurrent ovarian cancer compared to placebo. “When patients with recurrent ovarian cancer enter into a remission following platinum-based treatment, they now have the option to prolong their progression-free survival with a PARP inhibitor,” said Ursula A. Matulonis, MD, presenting author and Director and Chief of Gynecologic Oncology at Dana-Farber Cancer Institute.

The purpose of the clinical trial was to measure the TWiST, or time without symptoms or toxicity, in women receiving niraparib as maintenance therapy as compared to placebo. Said Dr. Matulonis, “It’s really important to demonstrate that, if we’re adding a maintenance therapy, we’re not significantly altering women’s quality of life.”

The trial evaluated time without a certain level of three main symptoms: fatigue, nausea, and vomiting. Patients who received niraparib experienced longer TWiST than those who received placebo.

Though clinical trials with cancer patients typically focus on measurements such as tumor progression and overall survival, quality of life is being included more often as an important outcome in these trials.

“All of these maintenance studies have a (quality of life) component to the trials,” said Matulonis. Quality of life is very important, she said, so that patients can take these drugs without experiencing unacceptable toxicities and keep their cancer in remission.


The Society of Gynecologic Oncology (SGO) is the premier medical specialty society for health care professionals trained in the comprehensive management of gynecologic cancers. As a 501(c)(6) organization, the SGO contributes to the advancement of women’s cancer care by encouraging research, providing education, raising standards of practice, advocating for patients and members and collaborating with other domestic and international organizations. www.sgo.org.


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