October 14, 2025
Reactome is an open-source, open access, manually curated and peer-reviewed pathway database. The Reactome website is administered by the Ontario Institute for Cancer Research. This Privacy Notice sets out how we collect, store and use your personal information when you use our website or contact us.
Collection and Use
When you browse or download information from the Reactome website, our servers automatically collect limited amounts of information about your visit for traffic monitoring and statistical purposes (e.g. browser version, IP address, pages visited, dates and times of access, amount of data transmitted, etc.). The information is analyzed for operational trends, performance, ways to improve our website, to create anonymized usage statistics and for the day-to-day administration of Reactome.
Reactome also collects personal information about users in the context of direct interactions with the Reactome team. Specifically, there are four ways that we may collect and use personal information about you:
- if you agree to act as a reviewer or author of a Reactome pathway, we collect your reviewer or author information (e.g. name, ORCID ID, email address and institutional affiliation) for the purpose of credit attribution on the published pathway;
- if you contact the Reactome HelpDesk, we collect your name, email address and information related to your request, question or concern for the purposes of responding and, if applicable, troubleshooting;
- if you provide your email address when using the Reactome GSA analysis service, we use it to notify you when your analysis is complete; and/or
- if you register to join our mailing list, we collect your email address in order to send you our publications and information about events. You may unsubscribe from receiving any communication from Reactome at any time by sending a request to our This email address is being protected from spambots. You need JavaScript enabled to view it. or by using the unsubscribe option provided in the email you have received.
Google Analytics:
Reactome uses Google Analytics, a web analytics service provided by Google Inc., to gather insights into how visitors interact with our website. Google Analytics may use cookies and collect your IP address to provide its analytics services. Google has an established set of principles, practices and processes governing data privacy and security in respect of Google Analytics.
For website users who do not wish their visit data to be collected by Google Analytics, you may install the Google Analytics Opt-out Browser Add-on, which prevents your data from being sent to Google Analytics. Please note the Google Analytics Opt-out browser add-on may not prevent information from being sent to the website itself.
Who will have access to your personal information?
Personal information may only be accessed by authorized staff at OICR and at other institutions that are contractually bound to help administer the Reactome database. All such access is provided only as necessary for the purposes described in this Privacy Notice.
Please note that authorized staff may be located outside Canada, including in the United States and Europe, and therefore, your personal information may become subject to the laws of those countries.
Google Analytics may collect information about your website visit, as described above.
How long do we keep your personal information?
We will keep the personal information only as long as necessary to fulfill the identified purposes for which it was collected, unless otherwise authorized or required by law.
Links to Third Party Websites
Our website contains links from and to other websites. Please note that our Privacy Notice applies to our website only and not other linked websites. If you click on a link to other websites, it is incumbent on you to find, read and understand the applicable Privacy Notice.
Controlling your personal information
For requests to correct or delete your personal information, or for it to be sent to you or someone else, please contact us at This email address is being protected from spambots. You need JavaScript enabled to view it..
How to contact us?
If you have any queries related to our data privacy practices or this Privacy Notice, feel free to contact us at our This email address is being protected from spambots. You need JavaScript enabled to view it..
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