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Drugs in development · updated 30 October 2026

Breast neoplasm: drugs in development

As of 30 October 2026 there are 1,059 active clinical trials (recruiting or ongoing, phases I–III) on 593 drugs for breast neoplasm. 383 are experimental, that is not yet approved in the United States.

1,059Active trials
383Experimental drugs
72Experimental, 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
PyrotinibII–III36NCT04290793
SHR-A1811III26NCT06057610
DalpiciclibDalpicilib, DalpciclibIII25NCT07894328
CDK4III20NCT06790693
GiredestrantGDC-9545III15NCT07890597
CamrelizumabCarrelizumab, CarilizumabII–III13NCT04803539
Disitamab VedotinRC48-ADC, Disitamb VedotinII–III12NCT07366840
AtirmociclibPF-07220060III10NCT07890597
ApatinibRivoceranibII–III9NCT04803539
HRS-8080III8NCT07024173
Sacituzumab TirumotecanSKB264III8NCT06966700
Trastuzumab RezetecanTrastuzumab RezatecanIII8NCT07892274
HRS-6209III7NCT07894328
UtideloneIII7NCT07021261
EntinostatEnitinostatIII6NCT02115282
IpatasertibIII6NCT04650581
Patritumab deruxtecanU3-1402III6NCT07060807
TQB2102III6NCT06561607
Izalontamab brengitecanBL-B01D1, BMS-986507III5NCT07648914
PalazestrantIII5NCT07085767
YL202III5NCT07461454
BNT323III4NCT06265428
FamitinibIII4NCT07382687
FluzoparibFuzuloparib, fluzopanibIII4NCT05891093
InetetamabII–III4NCT07366840
TaxaneIII4NCT04784715
Dalpiciclib IsethionateDalpiciclib Isetionate TabletsIII3NCT07354022
DB-1303III3NCT06265428
EncequidarIII3NCT06835400
JSKN003III3NCT06079983
TaxanesII–III3NCT04290793
TQB3616III3NCT05780567
D-0502III2NCT06954961
HB1801III2NCT05838066
HLX22II–III2NCT07294508
HLX87II–III2NCT07294508
LasofoxifeneFablyn®III2NCT05696626
PumitamigIII2NCT07173751
SIM0270III2NCT06680921
SPH4336 TabletsII–III2NCT05860465

Sorted by most advanced phase and number of active trials. Showing 40 of 383 drugs.

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
FulvestrantCligavyx®, Faslodex®II–III129NCT04191499
TrastuzumabHerceptin, tratuzumabII–III108NCT07366840
Letrozoleoral FemaraIII101NCT07894328
PaclitaxelTaxol, PaxlitaxelII–III101NCT06926868
PertuzumabPerjeta, Poherdy®II–III85NCT07294508
PembrolizumabKEYTRUDA, MK-3475III83NCT02954874
CapecitabineXeloda, Capectitabine TabletsII–III81NCT06926868
CarboplatinCarboplatine, ParaplatinII–III76NCT06926868
CyclophosphamideCyclophosphamid, CytoxanII–III73NCT05889390
AnastrozoleAnastrozol, AnastrazoleIII57NCT04134598
PalbociclibPabociclib, PalbocicilibII–III56NCT04191499
AbemaciclibLY2835219, Verzenio®III52NCT05696626
DocetaxelTaxotere, Beizray®II–III50NCT02641847
ExemestaneAromasin®III48NCT04134598
TamoxifenSoltamox®, Nolvadex®III48NCT04134598

Sorted by most advanced phase and number of active trials. Showing 15 of 210 drugs.

All 593 drugs, with the details

In Phuturdex every drug has all its trials, sponsors and countries, FDA and EMA approvals, orphan designations and safety alerts. Free until 31 March 2027.

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Specific forms

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: D001943 “Breast Neoplasms”.

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