Being invited to take part in a clinical trial: information and questions

Most young people we talked to were invited to take part in trials at their regular clinic appointments, or when they were staying in hospital.

Saskia received information about a trial at a routine clinic appointment, and because it was…

Age at interview 13

Gender Female

Age at diagnosis 11

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Joanna was in hospital when she was given information about a trial. It was a lot to take in at…

Age at interview 17

Gender Female

Age at diagnosis 16

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Some of the young people we talked to heard about clinical trials through other means, such as adverts in journals, or by a letter from their GP, or school. Some heard about trials by email, and actively pursued taking part themselves rather than waiting to be asked.

Katie and her mum responded to an advert in a science magazine. They emailed the researchers and…

Age at interview 13

Gender Female

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Will and his mum responded to an email asking for healthy children volunteers to take part in a…

Age at interview 12

Gender Male

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A doctor, nurse, or other researcher should always give you information about what is involved, to help you decide whether to take part in a clinical trial. If you are aged 16 years and older you cannot enter a trial unless you have given your consent and signed a form to say you agree to take part. If you are under 16 years of age, you cannot give formal legal consent, this has to be given by a parent or guardian, but you should be involved in the decision as far as possible. In this case, you may be given an ‘assent’ form to sign. Assent means children give their permission or agreement to take part in trials. (See below for a fuller explanation of what assent means.)

It is important that you have enough information to give informed consent, or assent, and an opportunity to ask as many questions as you like.

Being able to ask questions reassured Hannah why she was being asked to take part.

Age at interview 17

Gender Female

Age at diagnosis 4

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You should also be given time to make a decision. (See also ‘Making the decision to take part and giving assent and consent‘.) The UK Clinical Research Collaboration booklet on ‘Understanding Clinical Trials’ has a checklist of questions you might like to ask. You can print off the pages, which include spaces to jot down your own notes.

To help you decide whether to take part or not, the researcher should explain:

  • The aim of the study – what it is trying to find out
  • How you will be treated and what you will need to do
  • What the possible risks and benefits are.

You will also be given an information leaflet or ‘patient information sheet’ which you can take away and read. If you decide to take part, you will be asked to sign a consent form to say you agree to take part, or your parents/guardians will sign a consent form and you will sign an assent form.

Most young people we talked to felt they had been given very good, clear explanations and were able to make informed choices. They, or their parents, received written information and the doctors and nurses explained the purpose of the trial and what it involved. All the young people we talked to were reassured that they could withdraw from the trial at any time without affecting their care.

Kay was invited to take part in a randomised placebo-controlled trial to test a new drug for cystic fibrosis, and neither Kay nor the doctors and those treating her would know which drug she would be taking. She was impressed by how detailed the information was, including all possible known side effects and what to do if she experienced any.

Not knowing which drug you are taking can be scary, but having good clear information to read and…

Age at interview 23

Gender Female

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The doctors and nurses were always very helpful and supportive and this was very reassuring for young people. Many of the young people we talked to said how much they valued being able to talk face-to-face to a member of the research team and ask as many questions as they liked, as some of the written information can be quite complicated (see below). This helped them build trust with the staff.

It was confusing with all the different treatment options, but being able to ask questions was…

Age at interview 16

Gender Male

Age at diagnosis 16

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Some of the young people we interviewed were invited to take part in trials soon after they were diagnosed. Being invited to take part in a trial at this time was overwhelming for some young people.

When you are newly diagnosed with diabetes says Joe, being invited to take part in a trial can be…

Age at interview 15

Gender Male

Age at diagnosis 15

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The doctors and nurses always answered any questions that Stephanie had about the trial. In fact…

Age at interview 18

Gender Female

Age at diagnosis 15

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In fact, many young people we spoke to said they would like information to be shorter, easier to read with simpler explanations, especially when there are complicated terms and procedures, and the use of pictures when appropriate.

Ryan, aged 12, is taking part in a randomised placebo controlled drug trial. This is the first clinical trial he has taken part in. He says that the information he received was too difficult for him to understand because it used too many long words and he was too shy to ask questions.

Ryan feels that trial information can be overwhelming and difficult to understand. Using bullet…

Age at interview 12

Gender Male

Age at diagnosis 8

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Ryan was too shy to ask the doctors and nurses questions because he didnt know them.

Age at interview 12

Gender Male

Age at diagnosis 8

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Joe says that trial information needs to be more child friendly when explaining medical terms…

Age at interview 15

Gender Male

Age at diagnosis 15

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It is important that trial information tells you what you want to know about the study. It may contain a lot of medical terms. Alexander, 18, was invited to take part in a randomised placebo controlled trial to test a new drug for arthritis. The information he was given contained a lot of medical jargon that was difficult to understand.

Even though researchers do their best to make trial information easy to read, Alexander feels…

Age at interview 18

Gender Male

Age at diagnosis 16

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Alexander also feels that Information about trial drugs can be confusing and also worrying,…

Age at interview 18

Gender Male

Age at diagnosis 16

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When Stephanie was invited to take part in a trial there was little known about the trial drug in the treatment of Wegener’s granulomatosis, a rare condition in young people. She had lots of questions about side effects and also searched the internet.

Stephanie didnt want to know about the biology of it all, she wanted to know more about the side…

Age at interview 18

Gender Female

Age at diagnosis 15

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Because little was known about the trial drug Stephanie looked on the internet. It was reassuring…

Age at interview 18

Gender Female

Age at diagnosis 15

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Some of the younger people we interviewed felt that they should receive the information before, or, at the same time as their parents.

Mohini thought it was a bit unfair that her parents got all the information first.

Age at interview 12

Gender Female

Age at diagnosis 9

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She says young people can understand complex information and doctors shouldnt underestimate…

Age at interview 12

Gender Female

Age at diagnosis 9

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Some of the young people we interviewed said they didn’t have any questions about the trial because they felt that everything had been explained to them and they couldn’t remember much about the information or what questions they had asked because it was quite a long time ago that they took part. However, like Stephanie above, possible side effects on fertility was an issue for a number of young people taking part in drug trials.

Alexander had some unanswered questions, including how the trial drug might affect his fertility,…

Age at interview 18

Gender Male

Age at diagnosis 16

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A few young people said they might have liked to understand more about the trial, but at the time it wasn’t the most important thing they were worrying about.

Ethan remembers being informed about the trial but he cant remember any of it, he just wanted to…

Age at interview 12

Gender Male

Age at diagnosis 11

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In addition to having written information about the trial some young people had a video to watch. Jenna, 13, was invited to take part in a randomised placebo controlled trial. She was pleased to have her own written information and a video that explained about the trial. Researchers may want to consider using a video or other similar technology. (See ‘Young people’s messages to health professionals‘.)

Having a video to help explain a trial and what it involved was really helpful. Jenna said it was…

Age at interview 13

Gender Female

Age at diagnosis 11

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Explaining assent

Assent means children give their permission or agreement to take part in trials. To give assent children need to understand the research process and be informed about what they are expected to do. All children have the right to receive information given to them in a way that they can understand, and to consider assenting, or not (to say they agree to take part, or not). In deciding whether to give assent, children can express their views and any worries about taking part. Doctors need to listen to the opinions and wishes of children who are unable to give full consent, and do their best to help them. Consent from parents and assent from children are both needed for children under the age of 16 to take part in clinical trials.

If English is not your first language, the trial should be explained to you in your preferred language and you should be given a consent form in that language.

Helena, a health professional, explains what happens when English is not the first language.

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Other types of medical research

Sometimes research is undertaken to get a better understanding about children and young people’s health or a health situation, rather than to test or compare...