Frequently Asked Questions

During registration, I typed in my name incorrectly. Now that I have completed the course my name is spelled incorrectly. How do I fix this?

Submit a request to the System Administrator at for the correction.

Users are encouraged to carefully complete the name of the user during registration (a pop-up will appear to confirm the username) as this name will appear on the certificate upon completion of the course.

Are user accounts transferrable?

User accounts are non-transferrable. Therefore, changing a user of an account is not permitted.

Accordingly, we are tracking utilization of the user accounts. New users will need to create a new account to earn certification.

If the account is fraudulent or appears to be compromised, please contact the System Administrator at In these cases, we tend to deactivate the account for non-users or implement a password change for an existing user.

Note that each account email address must be unique. So, two accounts cannot share the same email address, which is also the username.

When can I view or print my certificate?

Once a user has successfully completed quizzes for each module with a score of 80% or better (or 100% if required by your IRB), the user will have access to view or print the Certificate of Completion under the Certification page.

To print the current certificate, click the "Print Certificate" button. The certificate will be downloaded as a PDF document and can be printed from the local computer. PDF reader software is required to view or print the downloaded certificate.

The current certificate is visible and available for download on the Certification page until the user chooses to recertify. The certificate expires 3 years after the certification completion date. The completion and expiry dates are reflected on the certificate.

I have completed all quizzes for the course. In the Modules page under My Progress, the system says I must re-take some of the quizzes; however, I know my answers are correct. I think there is a problem with your quiz answers.

If the system indicates that a quiz needs to be retaken, the user did not obtain the minimum score to successfully pass the quiz. This may occur for one or more quizzes completed. Please continue to retake the quiz(zes) that you have not completed successfully until you receive a passing score. It is a good idea to re-review the module instructional material before retaking a quiz.

I have completed certification; however, I want to Recertify.

If you have completed the course and wish to recertify, please read and follow these instructions carefully.

Current quiz scores cannot be applied towards recertification. The user will need to demonstrate acquired knowledge by retaking all required quizzes.

When ready to recertify, even prior to the expiration of the current certificate, click on the "Recertify" button. Users will NOT be able to recertify unless this button is selected. Once selected, this action cannot be undone.

By clicking Recertify, the course will clear the current quiz scores. When all quiz scores are blank, you may recertify by retaking all required quizzes.

Upon successful completion of all quizzes, the renewal certificate reflecting the revised date will appear on the Certification page.

Note that the certificate previously obtained will no longer be visible or available for download once recertification is complete. Please refer to the certificate downloaded to the local drive and retained for historical record.

How do I use the 80% or 100% minimum score option for passing quizzes?

During account registration, there is an option for users to select whether the passing score is 100%, which some IRBs require, or 80% as the default. This functionality is a real-time feature that can be activated or deactivated upon registration by the user or post-registration on the backend by the System Administrator, upon request. Users are advised to only activate the 100% minimum score feature, if required.

Do I have to complete all modules in any particular order?

No, you may navigate through the modules and complete them in any order. Navigate to the Modules page under My Progress to keep track of the modules in progress or the ones completed.

I completed this course at a former facility using a different email. How do I change the username to my current email address?

Please submit a request to the Administrator at to change your username, providing the former email address and the current one to replace it. If you forgot your former email address, please provide your full name in the request.

Is there a course outline or summary with detail about the course modules?

Using the Resources section of the website, users may view, save, and print the content of each module in PDF format to use on the screen or offline.

How much does the GCP course cost and is it open to outside parties?

There is no cost to use this GCP course, and it is open-access to the public.

Does the CTN Good Clinical Practices course comply with the ICH E6(R2) addendum?

Yes, the course was updated on March 3, 2017 to comply with the ICH E6(R2) addendum.

Is this GCP training compliant with TransCelerate's Mutual Recognition (MR) Program for ICH E6 (R2) Good Clinical Practice Training?

Yes. We are pleased to advise our users that National Drug Abuse Treatment Clinical Trials Network is now listed as a GCP training provider whose Version 5 GCP course meets TransCelerate's Minimum Criteria for ICH E6 (R2) GCP.

Click the link here to access the GCP Mutual Recognition Providers list: Then, scroll down to National Drug Abuse Treatment Clinical Trials Network, and select the plus sign [+] to review the listing and sample certificate.

Is your GCP training certified for study sites NOT dealing with drug abuse, but typical pharmaceutical trials, for example, studies that deal with asthma and other respiratory diseases? Will the certificate from your training course be accepted by our Sponsors as relevant GCP training?

This training course is based on International Conference on Harmonization (ICH) Guidelines as best practices and regulatory requirements for conducting clinical research trials in the United States. While the scenarios discussed are related to substance abuse treatment, the concepts are applicable to all clinical research. That being said, we recommend that users check with their sponsors to determine if our certification is acceptable to them.

Is your course eligible for CMEs for Physicians, Nurses, etc.? If yes, what is the certifying authority for each?

Individuals seeking CE/CMEs should consult their credentialing organization’s requirements for guidance. Some individuals affiliated with credentialing institutions have submitted the GCP Certificate of Completion for credit or CMEs through those agencies. For example, the Society of Clinical Research Associates (SoCRA) accepts CTN training for continuing education credits. IIf you require additional documentation for this purpose, please email to submit a detailed request.

I am able to access the website for training. However, the screen is askew. Some of the text overlaps images, and the image quality is low.

When this issue occurs, it is related to an outdated internet browser usually. The website is designed to work optimally on desktops, laptops, and handheld devices using Internet Explorer 11 or a later version as well as the latest version of other internet browsers, such as Firefox, Chrome, and Safari. Users are encouraged to update their internet browser and then access the website. If you still experience the problem after updating your internet browser, send a request for help to the Administrator at


The NIDA Clinical Coordinating Center is available to answer any questions not covered in this section or the About section of the website by contacting