Latest Rare Diseases News

BioMarin Pharmaceutical’s acquisition of Amicus Therapeutics for US$4.8 billion includes Dimerix’s US licensing agreement, promising significant milestone payments and royalties. This deal strengthens Dimerix’s position as it advances its Phase 3 kidney disease therapy.

Opthea Limited has announced a strategic pivot to develop OPT-302 for Lymphangioleiomyomatosis (LAM), a rare lung disease affecting women, aiming for ASX reinstatement in 2026. The company leverages strong intellectual property and cash reserves to pursue orphan drug designation and clinical development.

Chimeric Therapeutics has won FDA Orphan Drug Designation for its CHM CDH17 CAR-T therapy targeting gastric cancer, advancing its clinical development with regulatory incentives and potential market exclusivity.

Neuren Pharmaceuticals reported a milestone quarter with DAYBUE net sales reaching US$101.1 million, driving a 24% jump in royalty income. The expanding patient base and community physician uptake signal strong growth ahead.

Pathkey.AI reports strong validation of its TrialKey AI platform’s predictive accuracy and announces key leadership changes as it advances toward commercial scale.

Neurotech International has initiated an Authorised Prescriber program for its lead therapy NTI164, expanding access for children with neurodevelopmental disorders in Australia. The company also secured a Rare Pediatric Disease Designation from the US FDA for NTI164 in Rett Syndrome, marking a key regulatory milestone.

Telix Pharmaceuticals reports a robust 53% revenue jump in Q3 2025 and raises its full-year guidance, underpinned by key reimbursement wins and expanding clinical programs.

PYC Therapeutics has reported encouraging pre-clinical results for its RNA therapy candidate PYC-002 targeting Phelan-McDermid Syndrome, supporting plans to enter human trials in 2026. The data demonstrate safety, brain distribution, and gene expression restoration in key disease regions.

Invex Therapeutics has discontinued exclusive negotiations to acquire a rare neurological disease company due to board instability triggered by a shareholder requisition notice. Despite this setback, the company remains committed to diversifying its neurological treatment portfolio.

Dimerix Limited’s lead drug candidate DMX-200 has been granted Orphan Drug Designation in Japan for treating Focal Segmental Glomerulosclerosis (FSGS), enhancing its regulatory and commercial prospects in a key market.

Telix Pharmaceuticals has secured FDA agreement on a resubmission plan for its glioma imaging agent TLX101-CDx, aiming for a Q4 2025 filing that includes additional efficacy data. The FDA signals likely expedited review, underscoring the unmet medical need.

Percheron Therapeutics posted a 25% increase in net loss for FY2025 amid termination of its Duchenne Muscular Dystrophy programs. The company pivots strategically to oncology with the in-licensing of HMBD-002, a monoclonal antibody targeting VISTA, aiming to initiate Phase II trials in 2026.