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BioWorld - Thursday, June 18, 2026
Home » Topics » Regulatory » Orphan drug

Orphan drug
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3D rendering of skin cells and elastin with collagen layer
Dermatologic

Resvita Bio’s RVB-003 designated orphan drug for Netherton syndrome

April 4, 2025
Resvita Bio Inc.’s RVB-003 has been awarded orphan drug designation by the FDA for the skin disorder Netherton syndrome. RVB-003 was previously granted rare pediatric disease designation.
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Tape measure wrapped around scale
Endocrine/metabolic

PL-7737 gets orphan drug status for leptin receptor deficiency

March 26, 2025
Palatin Technologies Inc. has obtained U.S. orphan drug designation for PL-7737 for leptin receptor (LEPR) deficiency, including obesity caused by this condition.
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Coronavirus, lungs

Healios posts more upbeat data on Multistem cell therapy for ARDS

March 18, 2025
By Marian (YoonJee) Chu
Latest findings on Healios K.K.’s stem cell therapy to treat acute respiratory distress syndrome (ARDS), coined Multistem (invimestrocel; HLCM-051), found the regenerative medicine effective in reducing the number of patient days on ventilator treatment, as well as mortality benefits.
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Coronavirus, lungs

Healios posts more upbeat data on Multistem cell therapy for ARDS

March 14, 2025
By Marian (YoonJee) Chu
Latest findings on Healios K.K.’s stem cell therapy to treat acute respiratory distress syndrome (ARDS), coined Multistem (invimestrocel; HLCM-051), found the regenerative medicine effective in reducing the number of patient days on ventilator treatment, as well as mortality benefits.
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Infant legs and feet
Gastrointestinal

Neurenati’s NEU-001 awarded orphan drug designation for Hirschsprung disease

March 5, 2025
Neurenati Therapeutics Inc.’s NEU-001 has been awarded U.S. orphan drug and rare pediatric disease designations by the FDA for the treatment of Hirschsprung disease.
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Drug R&D concept image.
Immune

Ensoma’s EN-374 designated orphan drug for X-linked chronic granulomatous disease

Feb. 14, 2025
Ensoma Inc.’s lead program, EN-374, has been granted orphan drug and rare pediatric disease designations by the FDA for the treatment of X-linked chronic granulomatous disease. Ensoma anticipates filing an IND application for EN-374 in the first half of this year.
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Illustration of kidney with DNA structures
Nephrology

Arbor’s ABO-101 awarded US orphan drug designation for primary hyperoxaluria type 1

Feb. 6, 2025
Arbor Biotechnologies Inc.’s ABO-101 has been awarded orphan drug and rare pediatric disease designations by the FDA for the treatment of primary hyperoxaluria type 1 (PH1).
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Small-cell lung carcinoma cells under the microscope
Cancer

Ariceum’s [225Ac]satoreotide designated US orphan drug for SCLC

Feb. 6, 2025
Ariceum Therapeutics GmbH’s radiopharmaceutical 225Ac-SSO110 ([225Ac]satoreotide tetraxetran) has been awarded orphan drug designation by the FDA for the treatment of small-cell lung cancer (SCLC). [225Ac]Satoreotide is a first-in-class Actinium-labeled somatostatin SST2 receptor antagonist.
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Art concept for molecular glue degradation
Cancer

Seed’s RBM39 degrader awarded US orphan drug, rare pediatric disease designations

Jan. 29, 2025
Seed Therapeutics Inc.’s ST-01156 has been awarded orphan drug designation for the treatment of Ewing sarcoma as well as rare pediatric disease designation by the FDA.
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Eye and DNA illustration
Neurology/psychiatric

Tikun programs receive orphan, rare pediatric disease designations

Jan. 23, 2025
Tikun Therapeutics Inc. has obtained U.S. orphan drug and rare pediatric disease designations for its programs in familial dysautonomia, namely its rAAV2-U1a-hELP1 gene replacement therapy for the treatment of optic neuropathy in familial dysautonomia and BPN-36964 for systemic treatment of familial dysautonomia.
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