Institutions that were previously credentialed to participate in another protocol or have a question about your status for this protocol, please fill out the credentialing status inquiry form.

This study requires credentialing. The credentialing requirements are different depending on whether you are using a 3DCRT or IMRT technique. You can be credentialed for either 3DCRT or IMRT or both depending on your physician’s preference.

3D Credentialing:

• Must complete and submit to IROC Houston the 3D Conformal Benchmark.

IMRT Credentialing:

• Must complete and submit to IROC Houston the  IMRT Facility Questionnaire.

• Irradiate the IROC Houston's IMRT H&N phantom.² Please fill in the request form online.

OR

• Complete and submit the IMRT Benchmark to IROC Houston.

• If an institution is using IMRT with gating or tracking, the institution must irradiate IROC Houston’s lung phantom with motion platform. Please fill in the request form online.

• If techniques are used to compensate for or limit respiratory motion the IROC Houston questionnaire on respiratory motion management must be submitted to IROC Houston.