Deoxycytidine/deoxythymidine - Modis Therapeutics
Alternative Names: dC/dT - Modis Therapeutics; Deoxycytidine/deoxythymidine; Doxecitine/Doxribtimine - UCB; doxTM; KYGEVVI; MT 1621 - UCB; MT-1621; Thymidine/deoxycytidine - Modis TherapeuticsLatest Information Update: 05 Feb 2026
At a glance
- Originator Columbia University Medical Center; Vall d-Hebron Research Institute
- Developer Modis Therapeutics
- Class Alcohols; Amines; Cyclic ethers; Deoxyribonucleosides; Furans; Pyrimidinones; Small molecules
- Mechanism of Action Deoxyribonucleoside replacements
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Orphan Drug Status
Yes - Mitochondrial disorders
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Registered Mitochondrial disorders
Most Recent Events
- 30 Jan 2026 Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) recommends approval of Deoxycytidine/deoxythymidine forMitochondrial disorders (In adolescents, In adults, In children, In the elderly) in European Union
- 05 Nov 2025 Columbia University Irving Medical Center and Vall d'Hebron Research Institute have patent protection for Deoxynucleoside therapy for diseases caused by unbalanced nucleotide pools including mitochondrial DNA depletion syndromes in USA, Spain, Australia, Europe and Japan
- 05 Nov 2025 Columbia University Irving Medical Center and Vall d'Hebron Research Institute have patents pending for Deoxynucleoside therapy for diseases caused by unbalanced nucleotide pools including mitochondrial DNA depletion syndromes in South Korea, Canada, Israel, China, Poland, Lithuania, Mexico, Denmark, Portugal, Hungary, Russia, San Marino, Brazil and Croatia