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# Clinical trials - Whole blood and components

## Essential information

Obligatory

  Must not donate if:

  Participating in a clinical trial. This includes the use of drugs of any kind (e.g. oral, injected, parenteral, transcutaneous) and applies to healthy individuals participating as volunteers, for example in 'phase 1' clinical trials.

Discretionary
  1. If a Designated Clinical Support Officer has examined and agreed the trial protocol, accept.
  2. If the trial does not involve the use of drugs (e.g. hypnotherapy, physiotherapy) and any underlying condition would not be a reason to defer, accept.

## Supporting information

See if relevant
  - Complementary therapy
  - Monoclonal antibody therapy and other biological modalities
  - Transfusion
Additional information

  It is important for the UK Blood and Tissue Services to know that anything being given to a donor as part of a clinical trial will not affect either the safety of the donor or of any potential recipient.

  When a particular drug treatment is being assessed, trial participants may be randomly allocated to receive the treatment or a placebo drug. Participants should know which treatment is under investigation in their trial (or trial arm) but will not know whether they have had the treatment or not. They should be assessed for donation on the basis that they might have done.

  Some donors may not recall which treatment was under investigation in their trial (or trial arm). In this case, the donor should be asked to find out and contact us again when they have the information available.

Reason for change:
  Removal of specific details regarding COVID-19 trials. The See if Relevant section has been revised.
Version details:

  WB-DSG Edition 203 Release 71 (02 May 2024)

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