Onco Wiki / Droga

All-trans retinoic acid (Tretinoin)

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IDDRUG-ATRA
TipoFármaco
Alegais
ATRAÁcido retinoico transTretinoínaVesanóidesТретиноїн (ATRA)
Estadoreviewed 2026-04-25 | pending_clinical_signoff
DoençasDIS-APL
FontesSRC-APL0406-LOCOCO-2013 SRC-ELN-APL-2019 SRC-NCCN-AML-2025

Fatos sobre as drogas

ClasseRetinoide (derivado da vitamina A); agente de diferenciação
MecanismoBinds retinoic-acid receptor α (RARα) and degrades the PML-RARα fusion oncoprotein in APL → forces blast differentiation rather than killing. Cornerstone of every APL induction regimen.
Dose típicaAPL: 45 mg/m²/day PO divided BID until complete remission (typically ~30-50 days). Continue per consolidation/maintenance protocol. Initiate IMMEDIATELY at clinical APL suspicion (don't wait for cytogenetic confirmation) — mortality from bleeding > from leukemia in first 7 days.
Ucrânia registadaVerdade
NSZU reembolsadoVerdade
Ucrânia verificada pela última vez2026-04-27

Avisos

Notas

Initiate ATRA at clinical APL suspicion based on smear findings + DIC pattern, BEFORE PML-RARα confirmation — early death from bleeding is the dominant APL mortality. Differentiation-syndrome prophylaxis with dexamethasone 10 mg IV BID for high-risk (WBC >10K) or rising WBC. Pregnancy-test gating + 2 forms of contraception mandatory.

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