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Drugs in development · updated 30 October 2026

Refractory anemia with excess of blasts: drugs in development

Rare diseasePrevalence 1-9 / 1 000 000 according to Orphanet · ORPHA:86839

As of 30 October 2026 there are 17 active clinical trials (recruiting or ongoing, phases I–III) on 35 drugs for refractory anemia with excess of blasts. 5 are experimental, that is not yet approved in the United States.

17Active trials
5Experimental drugs
1Experimental, in phase III

Summary updated every week · data as of 30 October 2026. In Phuturdex you get the full detail of every drug and an email when an alert is published on the ones you follow.

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Experimental drugs

Not yet approved by the US FDA for any indication.

DrugMost advanced phaseActive trialsReference trial
ASTX030II–III1NCT04256317
DilanubicelII1NCT03399773
APL-4098I1NCT06372717
BPX-501I1NCT02477878
RimiducidAP1903I1NCT02477878

Sorted by most advanced phase and number of active trials.

Approved drugs in new trials

Approved by the US FDA for at least one indication, not necessarily this disease, and now in active trials on it.

DrugMost advanced phaseActive trialsReference trial
AzacitidineAzacytidine, 5-azacytidineII–III5NCT04256317
VenetoclaxVentoclax, Venclexta®II–III3NCT04256317
CedazuridineCedaruridineII–III2NCT04256317
LuspaterceptACE-536, ReblozylIII2NCT03682536
Epoetin AlfaEprex, Epoetin algaIII1NCT03682536
FludarabineFludara, FLUDARABINI–II7NCT03670966
CyclophosphamideCyclophosphamid, CytoxanI–II5NCT03670966
BusulfanBusulphan, Busulfex®II3NCT02727803
Mycophenolate MofetilMycophenolate, CellceptI–II3NCT03670966
CyclosporineCyclosporine A, Cyclosporin CapsulesI–II2NCT03128034
DecitabineDacogen®II2NCT00801489
MelphalanEvomela®, Hepzato®II2NCT02727803
TacrolimusEnvarsus XR, Prograf®I–II2NCT03670966
VorinostatZolinza®, Vorinostat MSD®I–II2NCT00392353
Anti-Thymocyte GlobulinII1NCT02727803

Sorted by most advanced phase and number of active trials. Showing 15 of 30 drugs.

All 35 drugs, with the details

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Broader categories

Source: Phuturdex analysis of ClinicalTrials.gov data (U.S. National Library of Medicine), updated 30 October 2026. Active trials = recruiting or ongoing, phases I–III, with at least one identified drug; phase and sites refer to the trials on this disease. Disease name: Wikidata; NLM MeSH term: D000754 “Anemia, Refractory, with Excess of Blasts”. Prevalence: Orphanet.

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