Table 1 Description of interviewees

Total number of persons interviewed

49

Trial investigators with experience of recruitment failure in a clinical trial identified in previous research [1]

16

• From Germany

9

• From Switzerland

6

• From Canada

1

Other clinical trial stakeholders from Switzerland

33

• Representatives of international pharmaceutical companies

10

• Clinicians (medical doctors) with experience in clinical trials

8

• Representatives of clinical trial units

6

• Representatives of ethics committees

3

• Representatives of patient organizations (people with lived experience of being a patient and participating in a clinical trial)

2

• Representative of funding agency

1

• Representative of public health authority

1

• Representative of drug regulatory authorities

1

• Representative of cancer research network

1