Ariz. Rev. Stat. § 20-2328
A. An accountable health plan is not obligated to pay any costs, other than covered patient costs, that are directly associated with a cancer clinical trial that is offered in this state and in which the enrollee participates voluntarily. A cancer clinical trial is a course of treatment in which all of the following apply:
1. The treatment is part of a scientific study of a new therapy or intervention that is being conducted at an institution in this state, that is for the treatment, palliation or prevention of cancer in humans and in which the scientific study includes all of the following:
3. The treatment is being provided as part of a study being conducted in accordance with a clinical trial approved by at least one of the following:
5. The personnel providing the treatment or conducting the study:
F. For the purposes of this section:
2. "Institutional review board" means any board, committee or other group that is both:
5. "Patient cost" means any fee or expense that is covered under the contract and that is for a service or treatment that would be required if the patient were receiving usual and customary care. Patient cost does not include the cost: