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Terms of Use Agreement
The Impala application you have accessed is for the sole use of Pfizer-authorized users in their conduct of Pfizer clinical trials. Information entered, obtained or retained on the system is the property of Pfizer. You agree to use the system in conformity with the training you have received including but not limited to ensuring that all data entered into this system is accurate and up-to-date and for safeguarding the security of your user name and password. You are responsible for unauthorized use of your account. If you believe the security of your user name and password may have been compromised, please contact our helpdesk at 1-877-433-2619. The activities of authorized users may be monitored. Anyone using this application expressly consents to such monitoring. Unauthorized users who access the system or users utilizing credentials that are not their own are in violation of Title 21 of the United States Code of Regulations.
Poland (POL) If your local AT&T toll free access number 00-800-111-1111 is not working, please send an e-mail to If you urgently need Impala support to call you, please state "Urgent - Please call" in the subject line and include your preferred contact number in your email.

South Africa (ZAF) local phone number for the Pfizer Clinical Support Center is 0-800-983-953

The next Impala outage will be posted here.

Self Serve Password Reset is Here! YOU MUST REGISTER FOR PASSWORD RESET BEFORE YOU CAN USE IT. Check the Documents link for your copy of the Impala Self Serve Password Reset Quick Guide!

The Impala Support Team would like to take this opportunity to remind all sites of the requirement to notify the Pfizer Clinical Support Desk when personnel are no longer active on a study, to deactivate applicable accounts. Thank you in advance.

Impala Support can be contacted by dialing +1 877 433 2619 option 3 option 2, or you can email us at

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Trouble logging into your account, or other questions?? Go to the: Pfizer Service Desk Portal