Nacolomab tafenatox

Last updated January 11, 2026

Nacolomab tafenatox
Monoclonal antibody
Schematic image of nacolomab tafenatox: V_H, V_L: variable (antigen binding) domains of antibody fragment C_H1, C_L: constant domains of antibody fragment SAg: enterotoxin A (acting as a superantigen)
Type	Fab fragment
Source	Mouse
Target	colorectal tumor antigen C242
Clinical data
ATC code	none
Identifiers
CAS Number	150631-27-9 ^N
ChemSpider	none
UNII	PRC47TA1NU
^NY (what is this?) (verify)

Nacolomab tafenatox is a mouse monoclonal antibody.^[1]^[2] The antibody itself, nacolomab, is fused with enterotoxin A from Staphylococcus aureus (which is reflected by 'tafenatox' in the drug's name).^[1]

References

1 2 "Recommended INN List: Nacolomab tafenatox" (PDF). WHO Drug Information. 9 (3): 182. 1995. Archived from the original (PDF) on 23 February 2012.
↑ Alpaugh RK, Weiner LM, Persson B, Persson R, Dohlsten M, Kalland T (1997). "Nacolomab Tafenatox". Drugs of the Future. 22 (11): 1226–30.

Monoclonal antibodies for tumors

Tumor

Human	Adecatumumab ^§ Amivantamab (+hyaluronidase) Ascrinvacumab ^§ Balstilimab ^† Botensilimab Cixutumumab ^§ Conatumumab ^§ Cosibelimab Daratumumab Drozitumab ^§ Duligotumab ^§ Dusigitumab ^§ Enfortumab vedotin Enoticumab ^§ Figitumumab ^§ Flanvotumab ^§ Ganitumab ^† Glembatumumab vedotin ^† Intetumumab ^§ Ipilimumab Iratumumab ^§ Istiratumab Icrucumab ^§ Lexatumumab ^§ Linvoseltamab Lucatumumab ^§ Mapatumumab ^§ Narnatumab ^§ Necitumumab Nesvacumab ^§ Nivolumab ^# (+hyaluronidase, +relatlimab) Ofatumumab Olaratumab ^† Panitumumab Patritumab ^§ Pritumumab ^§ Radretumab ^§ Ramucirumab Rilotumumab ^† Robatumumab ^§ Seribantumab ^§ Sugemalimab Tarextumab ^§ Tisotumab vedotin Teprotumumab ^† Tovetumab ^§ Vantictumab ^§ Votumumab ^§ Zalutumumab ^†
Mouse	Abagovomab Altumomab pentetate Anatumomab mafenatox Arcitumomab Bectumomab Blinatumomab Capromab pendetide Detumomab Edrecolomab Ibritumomab tiuxetan Igovomab Lilotomab Minretumomab Mitumomab Nacolomab tafenatox Moxetumomab pasudotox Naptumomab estafenatox Oregovomab Pemtumomab ^† Racotumomab Satumomab pendetide Solitomab Taplitumomab paptox Nofetumomab merpentan Pintumomab Tenatumomab Tositumomab
Chimeric	Amatuximab ^§ Bavituximab ^§ Brentuximab vedotin Carotuximab ^† Cetuximab Derlotuximab biotin ^§ Dinutuximab Ecromeximab ^§ Ensituximab ^§ Futuximab ^§ Girentuximab ^† Indatuximab ravtansine ^§ Isatuximab Loncastuximab tesirine Margetuximab Mirvetuximab soravtansine Rituximab ^# Siltuximab Ublituximab Zolbetuximab
Humanized	Abituzumab ^§ Alemtuzumab Atezolizumab (+hyaluronidase) Axatilimab Belantamab mafodotin Bevacizumab Bivatuzumab mertansine ^§ Brontictuzumab ^§ Cantuzumab mertansine ^§ Cantuzumab ravtansine ^§ Cirmtuzumab Citatuzumab bogatox ^§ Clivatuzumab tetraxetan Cofetuzumab pelidotin Dacetuzumab ^§ Demcizumab ^§ Dalotuzumab ^§ Datopotamab deruxtecan Denintuzumab mafodotin ^§ Elotuzumab Emactuzumab Emibetuzumab ^§ Enoblituzumab ^§ Epcoritamab Etaracizumab ^§ Farletuzumab ^§ Ficlatuzumab ^§ Flotetuzumab ^§ Gemtuzumab ozogamicin Glofitamab Imgatuzumab ^§ Inotuzumab ozogamicin Labetuzumab ^§ Lifastuzumab vedotin ^§ Lintuzumab ^§ Lorvotuzumab mertansine ^§ Lumretuzumab ^§ Matuzumab ^§ Milatuzumab ^§ Naxitamab Nimotuzumab ^† Obinutuzumab Ocaratuzumab ^§ Odronextamab Otlertuzumab ^§ Onartuzumab ^§ Oportuzumab monatox ^† Parsatuzumab ^§ Pembrolizumab ^# (+berahyaluronidase alfa) Penpulimab Pertuzumab Pinatuzumab vedotin ^§ Polatuzumab vedotin Rosmantuzumab Rovalpituzumab tesirine ^† Sacituzumab govitecan Sibrotuzumab ^§ Simtuzumab ^§ Sofituzumab vedotin ^§ Tacatuzumab tetraxetan ^§ Tigatuzumab ^§ Trastuzumab ^# (+deruxtecan / +emtansine) Tucotuzumab celmoleukin ^§ Vandortuzumab vedotin ^§ Vanucizumab ^§ Veltuzumab ^§ Vorsetuzumab mafodotin ^§ Zenocutuzumab
Rat/mouse hybrid	Catumaxomab Ertumaxomab ^§
Chimeric + humanized	Depatuxizumab mafodotin ^† Duvortuxizumab Ontuxizumab ^§

^# WHO-EM
^‡ Withdrawn from market
Clinical trials:
- ^† Phase III
- ^§Never to phase III

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Nacolomab tafenatox

See also

References