Ontario Tumour Bank
The Ontario Tumour Bank (OTB) provides cancer researchers with a diverse selection of high-quality biospecimens and derivatives, comprehensively annotated with de-identified clinical data.

For Researchers
The high-quality biospecimens, derivatives and clinical data are an important resource for scientists engaged in translational research who are developing better diagnostic tools and new drug therapies. Researchers can depend on OTB to provide products and services of high quality, diversity, and integrity.
Find out more for researchers
For Patients
OTB is committed to ensuring that the collection of research biospecimens does not interfere with patient care and that the privacy and confidentiality of all volunteer donors are maintained. Informed consent for tissue collection and research use is obtained from all patients.
Find out more for patientsWhat We Offer
Academic and industry-based researchers in Canada and internationally can count on the Ontario Tumour Bank to provide tissue and blood samples of high quality, diversity and integrity. Come see What We Offer.
Sample Types
A diverse selection of samples can be accessed through retrospective or prospective collection.

Retrospective Collection
- Fresh Frozen Tumour and Normal Adjacent Tissue
- FFPE Tumour and Normal Adjacent Tissue
- Fresh Frozen Plasma
- Fresh Frozen Cell-Free Plasma
- Fresh Frozen Buffy Coat

Prospective Collection
- Fresh Tumour and Normal Adjacent Tissue
- Fresh Whole Blood
- Fresh Frozen Tumour and Normal Adjacent Tissue
- Fresh Frozen Serum
- Fresh Frozen Plasma
- Fresh Frozen Cell-Free Plasma
- Fresh Frozen Buffy Coat
OTB Facts

A founding member
of CTRNet, the Canadian Tissue Repository Network, along with 5 other top-tier Canadian cancer biobanks.

Academics
are extended a price that represents a 50-90% subsidy from the true cost.

OTB collects
1500-1600 new donors per year, representing over 10,000 new aliquots.