Health Canada reviews the CTA and notifies the sponsor within 30 calendar days from the date that the application is considered complete. Questions may be issued during the review, and the sponsor will have 2 calendar days to provide the response (exceptions can apply). Note that CTAs are required for phases I to III clinical trials. The authorization (No Objection Letter) is mandatory prior to initiating the trial and importing the investigational product(s) in Canada.
If the HPFB provides authorization, the study can be underway with human subjects that are informed and have given their consent to be administered the drug for their participation. Note that a Canadian Ethic Committee must also approve the study material (protocol, Investigator’s Brochure and Informed Consent Form). Tests are conducted in a controlled environment where drug administration procedures and results are closely tracked, monitored and analyzed.
Priority Review (PR) applies to drugs that shows substantial evidence of clinical effectiveness at the end of the clinical trial phases, that is, once the clinical development is completed. The total review timeline is reduced from 355 days to 215 days.
On the other hand, the Notice of Compliance with condition (NOC/c) applies to drugs with promising evidence of clinical effectiveness throughout the clinical trial phases. In summary, the NOC/c can be granted with less clinical data than usually expected, that is with Phase II study results or interim reports of Phase III studies. Approval would be granted to a manufacturer to market and sell that drug in Canada with the condition that the manufacturer execute additional studies to confirm the drug’s benefit and safety. The total review timeline is reduced from 355 days to 235 days.
The condition needs to be agreed to with Health Canada. Some of the conditions of the NOC/c may include a requirement to closely monitor the drug for safety and adverse reactions and to provide HPFB with regular updates. Once the conditions are met, the designation of “with condition” is removed from the NOC.
