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Use limited to patients with biomarker
Usage of the new checkpoint inhibitor is limited to patients who have progressed on or following prior treatment with a platinum-containing chemotherapy. Eligibility must also be determined by an FDA-approved test for the dMMR biomarker. Approximately 25%-30% of patients with advanced endometrial cancer have dMMR tumors, according to the FDA.
The approval is “evidence of the FDA’s progress in applying precision medicine to expand treatment options for patients with cancer,” said Richard Pazdur, MD, director of the FDA’s Oncology Center of Excellence and acting director of the Office of Oncologic Diseases in the FDA’s Center for Drug Evaluation and Research.
He explained that the immunotherapy was “specifically studied to target dMMR endometrial cancer and leverages scientific knowledge surrounding the mechanism of immunotherapy response.”
The new drug also addresses an unmet medical need, as there are limited therapeutic options in this setting following frontline standard treatment with a platinum-containing chemotherapy.
The approval is based on safety and efficacy data from a single-arm, multicohort clinical trial. Of the 71 patients with dMMR recurrent or advanced endometrial cancer who received dostarlimab, 42.3% had a response. For 93% of that group, the response lasted 6 months or longer.
The drug’s maker, GlaxoSmithKline, is currently conducting additional, larger trials in more patients with dMMR endometrial tumors to verify and further describe clinical benefits.
Common side effects of dostarlimab include fatigue, nausea, diarrhea, anemia, and constipation. Like other checkpoint inhibitors, the new drug can cause immune-mediated side effects such as pneumonitis, colitis, hepatitis, endocrinopathies, and nephritis.
Dostarlimab is contraindicated in women who are pregnant or breastfeeding because it may cause harm to a developing fetus or newborn baby.
The FDA approval comes a month after the Committee for Medicinal Products for Human Use of the European Medicines Agency recommended granting conditional marketing authorization for dostarlimab for use as monotherapy in this same patient group.
In the United States, dostarlimab received Priority Review designation and Breakthrough Therapy designation for this indication.
A version of this article first appeared on Medscape.com.
Use limited to patients with biomarker
Use limited to patients with biomarker
Usage of the new checkpoint inhibitor is limited to patients who have progressed on or following prior treatment with a platinum-containing chemotherapy. Eligibility must also be determined by an FDA-approved test for the dMMR biomarker. Approximately 25%-30% of patients with advanced endometrial cancer have dMMR tumors, according to the FDA.
The approval is “evidence of the FDA’s progress in applying precision medicine to expand treatment options for patients with cancer,” said Richard Pazdur, MD, director of the FDA’s Oncology Center of Excellence and acting director of the Office of Oncologic Diseases in the FDA’s Center for Drug Evaluation and Research.
He explained that the immunotherapy was “specifically studied to target dMMR endometrial cancer and leverages scientific knowledge surrounding the mechanism of immunotherapy response.”
The new drug also addresses an unmet medical need, as there are limited therapeutic options in this setting following frontline standard treatment with a platinum-containing chemotherapy.
The approval is based on safety and efficacy data from a single-arm, multicohort clinical trial. Of the 71 patients with dMMR recurrent or advanced endometrial cancer who received dostarlimab, 42.3% had a response. For 93% of that group, the response lasted 6 months or longer.
The drug’s maker, GlaxoSmithKline, is currently conducting additional, larger trials in more patients with dMMR endometrial tumors to verify and further describe clinical benefits.
Common side effects of dostarlimab include fatigue, nausea, diarrhea, anemia, and constipation. Like other checkpoint inhibitors, the new drug can cause immune-mediated side effects such as pneumonitis, colitis, hepatitis, endocrinopathies, and nephritis.
Dostarlimab is contraindicated in women who are pregnant or breastfeeding because it may cause harm to a developing fetus or newborn baby.
The FDA approval comes a month after the Committee for Medicinal Products for Human Use of the European Medicines Agency recommended granting conditional marketing authorization for dostarlimab for use as monotherapy in this same patient group.
In the United States, dostarlimab received Priority Review designation and Breakthrough Therapy designation for this indication.
A version of this article first appeared on Medscape.com.
Usage of the new checkpoint inhibitor is limited to patients who have progressed on or following prior treatment with a platinum-containing chemotherapy. Eligibility must also be determined by an FDA-approved test for the dMMR biomarker. Approximately 25%-30% of patients with advanced endometrial cancer have dMMR tumors, according to the FDA.
The approval is “evidence of the FDA’s progress in applying precision medicine to expand treatment options for patients with cancer,” said Richard Pazdur, MD, director of the FDA’s Oncology Center of Excellence and acting director of the Office of Oncologic Diseases in the FDA’s Center for Drug Evaluation and Research.
He explained that the immunotherapy was “specifically studied to target dMMR endometrial cancer and leverages scientific knowledge surrounding the mechanism of immunotherapy response.”
The new drug also addresses an unmet medical need, as there are limited therapeutic options in this setting following frontline standard treatment with a platinum-containing chemotherapy.
The approval is based on safety and efficacy data from a single-arm, multicohort clinical trial. Of the 71 patients with dMMR recurrent or advanced endometrial cancer who received dostarlimab, 42.3% had a response. For 93% of that group, the response lasted 6 months or longer.
The drug’s maker, GlaxoSmithKline, is currently conducting additional, larger trials in more patients with dMMR endometrial tumors to verify and further describe clinical benefits.
Common side effects of dostarlimab include fatigue, nausea, diarrhea, anemia, and constipation. Like other checkpoint inhibitors, the new drug can cause immune-mediated side effects such as pneumonitis, colitis, hepatitis, endocrinopathies, and nephritis.
Dostarlimab is contraindicated in women who are pregnant or breastfeeding because it may cause harm to a developing fetus or newborn baby.
The FDA approval comes a month after the Committee for Medicinal Products for Human Use of the European Medicines Agency recommended granting conditional marketing authorization for dostarlimab for use as monotherapy in this same patient group.
In the United States, dostarlimab received Priority Review designation and Breakthrough Therapy designation for this indication.
A version of this article first appeared on Medscape.com.