| Obligatory | Must not donate if: Participating in a clinical trial. This includes the use of drugs of any kind (oral, parenteral, transcutaneous, etc.) and applies to healthy individuals participating as volunteers - for example in 'phase 1' clinical trials. |
| Discretionary | If a Designated Medical Officer has examined and agreed the trial protocol, accept. |
| See if Relevant | Complementary Therapy Transfusion |