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Consulted with HREC
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The main difference between the CTN and CTA schemes is the CTN is a notification scheme while the CTA is an evaluation process.
The choice of which scheme to use (CTN or CTA) lies firstly with the trial sponsor and then with the Human Research Ethics Committee (HREC) that approves the protocol.
A list of all HRECs registered with the NHMRC is available on the NHMRC website. For further information see Role of Human Research Ethics Committees (HRECs).
Question
Have you consulted with a Human Research Ethics Committee (HREC)?