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Selinexor receives priority review for penta-refractory MM

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The U.S. Food and Drug Administration (FDA) has accepted for priority review the new drug application (NDA) for selinexor.

With this NDA, Karyopharm Therapeutics Inc., is seeking accelerated approval for selinexor, an oral selective inhibitor of nuclear export compound, as a treatment for penta-refractory multiple myeloma (MM).

The FDA grants priority review to applications for products that may provide significant improvements in the treatment, diagnosis, or prevention of serious conditions.

The agency intends to take action on a priority review application within 6 months of receiving it rather than the standard 10 months.

The FDA plans to make a decision on the NDA for selinexor by April 6, 2019.

Selinexor also has orphan drug and fast track designations from the FDA for the treatment of penta-refractory MM.

Selinexor has demonstrated a clinical benefit in penta-refractory MM patients in the phase 2 STORM trial, according to researchers.

Results from this trial were recently presented at the Society of Hematologic Oncology (SOHO) 2018 Annual Meeting.

STORM included 122 patients with penta-refractory MM. They received selinexor at 80 mg twice weekly plus dexamethasone at 20 mg twice weekly until disease progression.

Two patients (1.6%) achieved stringent complete responses (with minimal residual disease negativity), six patients (4.9%) had very good partial responses, 24 (19.7%) had partial responses, and 16 (13.1%) had minimal responses.

Forty-eight patients (39.3%) had stable disease, 16 (13.1%) had progressive disease, and 10 (8.2%) were not evaluable for response.

The median progression-free survival was 3.7 months, and the median overall survival was 8.6 months.

Common treatment-related adverse events included fatigue/asthenia (69.9%), nausea (69.1%), thrombocytopenia (67.5%), anorexia (52.0%), anemia (48.0%), weight loss (47.2%), neutropenia (35.8%), vomiting (35.0%), diarrhea (33.3%), hyponatremia (30.9%), leukopenia (29.3%), and lymphopenia (13.8%).

Trials of selinexor were placed on partial clinical hold in March 2017 due to a lack of information about serious adverse events. However, the hold was lifted for trials of patients with hematologic malignancies at the end of that same month.

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Micrograph showing MM

The U.S. Food and Drug Administration (FDA) has accepted for priority review the new drug application (NDA) for selinexor.

With this NDA, Karyopharm Therapeutics Inc., is seeking accelerated approval for selinexor, an oral selective inhibitor of nuclear export compound, as a treatment for penta-refractory multiple myeloma (MM).

The FDA grants priority review to applications for products that may provide significant improvements in the treatment, diagnosis, or prevention of serious conditions.

The agency intends to take action on a priority review application within 6 months of receiving it rather than the standard 10 months.

The FDA plans to make a decision on the NDA for selinexor by April 6, 2019.

Selinexor also has orphan drug and fast track designations from the FDA for the treatment of penta-refractory MM.

Selinexor has demonstrated a clinical benefit in penta-refractory MM patients in the phase 2 STORM trial, according to researchers.

Results from this trial were recently presented at the Society of Hematologic Oncology (SOHO) 2018 Annual Meeting.

STORM included 122 patients with penta-refractory MM. They received selinexor at 80 mg twice weekly plus dexamethasone at 20 mg twice weekly until disease progression.

Two patients (1.6%) achieved stringent complete responses (with minimal residual disease negativity), six patients (4.9%) had very good partial responses, 24 (19.7%) had partial responses, and 16 (13.1%) had minimal responses.

Forty-eight patients (39.3%) had stable disease, 16 (13.1%) had progressive disease, and 10 (8.2%) were not evaluable for response.

The median progression-free survival was 3.7 months, and the median overall survival was 8.6 months.

Common treatment-related adverse events included fatigue/asthenia (69.9%), nausea (69.1%), thrombocytopenia (67.5%), anorexia (52.0%), anemia (48.0%), weight loss (47.2%), neutropenia (35.8%), vomiting (35.0%), diarrhea (33.3%), hyponatremia (30.9%), leukopenia (29.3%), and lymphopenia (13.8%).

Trials of selinexor were placed on partial clinical hold in March 2017 due to a lack of information about serious adverse events. However, the hold was lifted for trials of patients with hematologic malignancies at the end of that same month.

Micrograph showing MM

The U.S. Food and Drug Administration (FDA) has accepted for priority review the new drug application (NDA) for selinexor.

With this NDA, Karyopharm Therapeutics Inc., is seeking accelerated approval for selinexor, an oral selective inhibitor of nuclear export compound, as a treatment for penta-refractory multiple myeloma (MM).

The FDA grants priority review to applications for products that may provide significant improvements in the treatment, diagnosis, or prevention of serious conditions.

The agency intends to take action on a priority review application within 6 months of receiving it rather than the standard 10 months.

The FDA plans to make a decision on the NDA for selinexor by April 6, 2019.

Selinexor also has orphan drug and fast track designations from the FDA for the treatment of penta-refractory MM.

Selinexor has demonstrated a clinical benefit in penta-refractory MM patients in the phase 2 STORM trial, according to researchers.

Results from this trial were recently presented at the Society of Hematologic Oncology (SOHO) 2018 Annual Meeting.

STORM included 122 patients with penta-refractory MM. They received selinexor at 80 mg twice weekly plus dexamethasone at 20 mg twice weekly until disease progression.

Two patients (1.6%) achieved stringent complete responses (with minimal residual disease negativity), six patients (4.9%) had very good partial responses, 24 (19.7%) had partial responses, and 16 (13.1%) had minimal responses.

Forty-eight patients (39.3%) had stable disease, 16 (13.1%) had progressive disease, and 10 (8.2%) were not evaluable for response.

The median progression-free survival was 3.7 months, and the median overall survival was 8.6 months.

Common treatment-related adverse events included fatigue/asthenia (69.9%), nausea (69.1%), thrombocytopenia (67.5%), anorexia (52.0%), anemia (48.0%), weight loss (47.2%), neutropenia (35.8%), vomiting (35.0%), diarrhea (33.3%), hyponatremia (30.9%), leukopenia (29.3%), and lymphopenia (13.8%).

Trials of selinexor were placed on partial clinical hold in March 2017 due to a lack of information about serious adverse events. However, the hold was lifted for trials of patients with hematologic malignancies at the end of that same month.

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