Fact checked byMindy Valcarcel, MS

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February 06, 2023
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FDA news: Breast cancer, melanoma agents win fast track, orphan drug status

Fact checked byMindy Valcarcel, MS
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The FDA announced several regulatory actions the past few weeks.

Here is an overview of decisions that may be relevant to your practice.

 The main entrance of FDA Building 1.

1. The agency granted fast track designation to CFI-402257 (Treadwell Therapeutics), a threonine kinase inhibitor, for treatment of adults with ER-positive/HER2-negative advanced breast cancer after disease progression on prior CDK 4/6 inhibitors and endocrine therapy, both as a monotherapy and in combination with fulvestrant.

2. The FDA granted orphan drug designation to LNS8801 (Linnaeus Therapeutics), an orally bioavailable and highly specific G protein-coupled estrogen receptor agonist, for treatment of patients with metastatic cutaneous melanoma.

3. The agency granted fast track designation to EVX-01 (Evaxion Biotech), in combination with pembrolizumab (Keytruda, Merck), for patients with metastatic melanoma. Evaxion received FDA approval in December to conduct a phase 2b clinical trial of EVX-01, a peptide-based cancer therapy.

4. The FDA granted fast track designation to tamibarotene (Syros Pharmaceuticals) for the treatment of high-risk myelodysplastic syndrome. Tamibarotene is an oral selective retinoic acid receptor alpha agonist.

5. The FDA granted rare pediatric disease designation to FLAG-003 (FLAG Therapeutics) for treatment of children with diffuse intrinsic pontine glioma. FLAG-003 — a novel multi-specific molecule therapeutic designated to target, bind and kill cancer cells — previously received orphan drug designation for treatment of all gliomas.

6. The agency granted orphan drug designation to BEA-17 (Beactica Therapeutics) for treatment of glioblastoma. BEA-17 is a small molecule targeted degrader of the epigenetic enzyme LSD1 and its co-factor CoREST.

7. The FDA granted orphan drug designation to ezurpimtrostat (GNS561, Genoscience Pharma) for treatment of hepatocellular carcinoma. Ezurpimtrostat is an autophagy inhibitor whose anticancer activity is linked to palmitoyl protein thioesterase-1 (PPT-1) inhibition.

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