Oportuzumab monatox

Oportuzumab monatox (proposed INN, trade name Vicinium) is an antineoplastic. Chemically, oportuzumab it is a single chain variable fragment of a monoclonal antibody which binds to epithelial cell adhesion molecule (EpCAM, the tumor-associated calcium signal transducer 1). The drug is produced by Viventia Bio, a Canadian company with laboratories in Winnipeg, Canada and headquarters in Philadelphia, Pennsylvania, USA. Oportuzumab is fused with Pseudomonas aeruginosa exotoxin A (which is reflected by the monatox in the drug's name).[1]

Oportuzumab monatox
Monoclonal antibody
Type	Single-chain variable fragment
Source	Humanized
Target	EpCAM
Clinical data
Trade names	Vicinium
ATC code	none
Identifiers
CAS Number	945228-48-8^N
ChemSpider	none
Chemical and physical data
Formula	C₃₀₇₂H₄₇₂₃N₈₇₇O₉₅₂S₁₂
Molar mass	69.6 kg/mol g·mol⁻¹
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Vicinium has been evaluated in phase I and II clinical trials in patients with non-muscle invasive bladder cancer.[2] In these studies, treatment was associated with clinical benefit.

References

International Nonproprietary Names for Pharmaceutical Substances (INN, prepublication copy), World Health Organization.
Phase I/II study of vicinium given by intravesical administration in patients with superficial transitional cell carcinoma of the bladder: Phase I results D. Fitsialos, S. Seitz, E. Wiecek, M. Rasamoelisolo, J. Entwistle, M. Jewett, G. C. MacDonald and N. Glover. Journal of Clinical Oncology, 2006 ASCO Annual Meeting Proceedings (Post-Meeting Edition).

Vol 24, No 18S (June 20 Supplement), 2006: 4580

Monoclonal antibodies for tumors

Tumor
("-t(u[m])-")

Human ("-tumu-")	Adecatumumab^§ Ascrinvacumab^§ Cixutumumab^§ Conatumumab^§ Daratumumab Drozitumab^§ Duligotumab^§ Dusigitumab^§ Enfortumab vedotin^† Enoticumab^§ Figitumumab^§ Ganitumab^† Glembatumumab vedotin^† Intetumumab^§ Ipilimumab Iratumumab^§ Istiratumab Icrucumab^§ Lexatumumab^§ Lucatumumab^§ Mapatumumab^§ Narnatumab^§ Necitumumab Nesvacumab^§ Nivolumab Ofatumumab Olaratumab^† Panitumumab Patritumab^§ Pembrolizumab Pritumumab^§ Radretumab^§ Ramucirumab Rilotumumab^† Robatumumab^§ Seribantumab^§ Tarextumab^§ Teprotumumab^† Tovetumab^§ Vantictumab^§ Votumumab^§ Zalutumumab^† "-melu-" (melanoma) Flanvotumab^§
Mouse ("-tumo-")	Altumomab pentetate Anatumomab mafenatox Arcitumomab Bectumomab Blinatumomab Detumomab Ibritumomab tiuxetan Lilotomab Minretumomab Mitumomab Moxetumomab pasudotox^† Naptumomab estafenatox Nofetumomab merpentan Pemtumomab^† Pintumomab Racotumomab Satumomab pendetide Solitomab Taplitumomab paptox Tenatumomab Tositumomab 3F8 "-govo-" (ovarian tumor) Abagovomab Igovomab Oregovomab "-pro-" (prostate tumor) Capromab pendetide "-colo-" (colonic tumor) Edrecolomab Nacolomab tafenatox
Chimeric ("-tuxi-")	Amatuximab^§ Bavituximab^§ Brentuximab vedotin Carotuximab^† Cetuximab Derlotuximab biotin^§ Dinutuximab Ensituximab^§ Futuximab^§ Girentuximab^† Indatuximab ravtansine^§ Isatuximab^† Loncastuximab tesirine Margetuximab^† Rituximab^# Siltuximab Ublituximab^† IMAB362 "-mexi-" (melanoma): Ecromeximab^§
Humanized ("-tuzu-")	Abituzumab^§ Alemtuzumab Bevacizumab Bivatuzumab mertansine^§ Brontictuzumab^§ Cantuzumab mertansine^§ Cantuzumab ravtansine^§ Cirmtuzumab Citatuzumab bogatox^§ Clivatuzumab tetraxetan Cofetuzumab pelidotin Dacetuzumab^§ Demcizumab^§ Dalotuzumab^§ Denintuzumab mafodotin^§ Elotuzumab Emactuzumab^§ Emibetuzumab^§ Enoblituzumab^§ Etaracizumab^§ Farletuzumab^§ Ficlatuzumab^§ Flotetuzumab^§ Gemtuzumab ozogamicin^‡ Imgatuzumab^§ Inotuzumab ozogamicin^† Labetuzumab^§ Lifastuzumab vedotin^§ Lintuzumab^§ Lorvotuzumab mertansine^§ Lumretuzumab^§ Matuzumab^§ Milatuzumab^§ Nimotuzumab^† Obinutuzumab Ocaratuzumab^§ Otlertuzumab^§ Onartuzumab^§ Oportuzumab monatox^† Parsatuzumab^§ Pertuzumab Pinatuzumab vedotin^§ Polatuzumab vedotin^† Rosmantuzumab Rovalpituzumab tesirine^† Sacituzumab govitecan^† Sibrotuzumab^§ Simtuzumab^§ Tacatuzumab tetraxetan^§ Tigatuzumab^§ Trastuzumab Tucotuzumab celmoleukin^§ Vandortuzumab vedotin^§ Vanucizumab^§ Veltuzumab^§ Vorsetuzumab mafodotin^§ CBR96-doxorubicin immunoconjugate PankoMab "-gozu-" (ovarian tumor) Sofituzumab vedotin^§
Rat/mouse hybrid ("-tumaxo-")	Catumaxomab Ertumaxomab^§
Chimeric + humanized ("-tuxizu-")	Depatuxizumab mafodotin^† Duvortuxizumab Ontuxizumab^§

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

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