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Singular CRO. Extensive Expertise.

Exponential Success.

About PX’


Do you want to speed up the development of your biologics?  Are you interested in ensuring the industrial potential of your drug candidate?  Do you aim at facilitating entry to clinical trials for your promising biologics?


PX’Therapeutics, a new brand of Promise Proteomics, offers customized recombinant protein production for scientists performing drug development or basic research who require mg/g scale of proteins for preliminary studies.


Further capabilities include production of stable isotope labelled proteins and antibodies for use as internal standards in quantitative LC-MS through Promise Proteomics brand (visit Promise website).


The benefits of PX’Therapeutics’ services is to provide flexibility and reactivity for a one-time service or a continuous program enabling the scientists to move protein projects more rapidly and adopt series of different protein studies.


PX’ brings you the experience gained in one thousand successful projects.

Our clients think that we are “creative and problem solving oriented, professional, flexible and responsive” and 100% of them would recommend us.


Discover PX’Therapeutics




Key facts




Date of creation of the company



Clients : big groups, biotechs, academics



Finalised projects



Satisfied customers



“We have entrusted PX a very atypical GMP project, with a lot of challenges in analytical and production development. All issues were solved fast in creative and pragmatic way and the product delivered well on time.”

Michel Thiry – Consultant Biopharmaceutical CMC

“Relief Therapeutics SA had the opportunity to cooperate with PX’Therapeutics in the design of an up- and downstream processes aimed at producing under cGMP standards a recombinant protein by mammalian cells. The multidisciplinary skills of the operational teams as well as the straightforwardness of establishing a professional dialog with the management, make PX’T a structure with which it is particularly pleasant to work with.”

Yves Sagot – CSO, Relief Therapeutics S.A. (Switzerland)

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