Clinical trials

Clinical Trials

• How do clinical trials work?

  iAdds context

  “A legitimate trial has to be approved by an independent research ethics committee and meet the requirements of the medicines regulator before it can start.”

  Shows what this looks like in one country. In the UK the medicines regulator must authorise a trial of a new medicine, and a research ethics committee must approve any medical research involving people. The arrangement is the same shape elsewhere, but the named bodies are British.

  All medical research involving people in the UK, whether in the NHS or the private sector, first has to be approved by an independent research ethics committee.

  How are trials regulated and judged ethical?

• How do clinical trials work?

  ✓Supports this

  “Someone in a trial can stop taking part at any point, without giving a reason, and without it changing the care they normally receive.”

  States all three parts of this: leaving at any point, not having to give a reason, and the care you get otherwise being unaffected.

  You can also choose to leave at any point without giving a reason and without it affecting the care you receive.

  Leaving a trial

• How do clinical trials work?

  ✓Supports this

  “In a controlled trial some participants are given a placebo or the treatment already in use, not the treatment being tested.”

  Describes the same arrangement: a new medicine is usually tested against a control, and people taking part are put into either the treatment group or the control group, so some of them do not get the medicine under test.

  This will either be a dummy treatment (a placebo) or a standard treatment already in use.

  Testing a new medicine

• What are clinical trials, and why consider one?

  !Qualifies this

  “Taking part in a trial can mean more visits, tests and monitoring than the same person would have in usual care.”

  Confirms the extra monitoring, but files it under things to weigh up, as a cost of taking part rather than something to value. Compass presents the same fact as a reason some people are drawn to a trial, so the source and the answer disagree about which it is.

  And bear in mind that you may have to visit your place of treatment more often, or have more tests, treatments or monitoring, than you would if you were receiving the standard treatment in usual care.

  Things to weigh up

• What are clinical trials, and why consider one?

  ✓Supports this

  “A treatment being tested may turn out to help, to be no better than standard treatment, or to be worse, and it may cause side effects that were not known about.”

  Gives the same three possibilities. It says taking part may mean being one of the first to benefit, that the new treatment may turn out no better or worse than the standard one, and that unknown side effects are part of what you sign up to.

  But there's also a chance that the new treatment turns out to be no better, or worse, than the standard treatment.

  Why join a clinical trial?

• What are the potential benefits and the risks to weigh?

  ✓Supports this

  “Taking part can add appointments, tests and travel on top of usual care, and it can take up a lot of time.”

  Sets out both halves. Taking part can mean more visits, tests and monitoring than usual care, and separately that it can be time consuming, with screening and follow-up sessions and sometimes overnight stays.

  And bear in mind that you may have to visit your place of treatment more often, or have more tests, treatments or monitoring, than you would if you were receiving the standard treatment in usual care.

  Things to weigh up

• What are the potential benefits and the risks to weigh?

  ✓Supports this

  “The treatment being tested is unproven, so it may turn out to be no more effective than the treatment already in use.”

  Puts this first among the things to weigh up before signing up, and is blunt that the outcome of a trial treatment cannot be known in advance.

  You may be given a new treatment that turns out not to be as effective as the standard treatment.

  Things to weigh up

• What are the potential benefits and the risks to weigh?

  ✓Supports this

  “Because a trial treatment is still being studied, its effects are not fully known and someone taking part may get side effects nobody expected.”

  Says the same thing twice over: unexpected side effects are listed among the things to weigh up, and unknown side effects are listed among what to bear in mind before signing up.

  Also, it's possible you'll experience unexpected side effects.

  Things to weigh up