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Table 3 Website multilingualization, navigation and search

From: Characteristics of clinical trial websites: information distribution between ClinicalTrials.gov and 13 primary registries in the WHO registry network

Assessment item

JPRN

CT.gov

ANZCTR

ReBec

ChiCTR

CRiS

RPCEC

EU CTR

DRKS

IRCT

ISRCTN

NTR

PACTR

SLCTR

Multilingualization

              

Multilingualization of website

Yes

No

No

Yes

Yes

Yes

Yes

No

Yes

Yes

Yes

No

No

No

Multilingualization of contact information

Yes

–

–

No

Yes

Yes

Yes

–

Yes

Yes

No

Yes

No

No

Multilingualization of clinical trial information

Yes

–

–

Yes

Yes

Yes

Yes

–

Yes

Yes

No

No

No

No

Navigation

              

Includes ‘clinical trial’ in the global navigation

No

Yes

Yes

Yes

Yes

No

No

No

No

No

No

No

No

No

Global navigation includes the roles ‘patient’ and ‘health professionals’

No

Partly

No

No

No

No

No

No

No

No

No

No

No

No

Minimum number of clicks to access clinical trial information (patient)

1

1

–

–

–

No

No

No

No

No

No

No

No

No

Minimum number of clicks to access clinical trial information (health professional)

–

1

–

–

–

No

No

No

No

No

No

No

No

No

Minimum number of clicks to access clinical trial information (practitioner)

–

1

–

–

–

No

No

No

No

No

No

No

No

No

Easy access to clinical trial information

Yes

Yes

–

–

–

No

–

Partly

–

–

Yes

–

–

–

Breadcrumb navigation

Yes

Yes

No

Yes

No

No

Yes

No

No

No

No

No

No

No

Search

              

Search for clinical trial information

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Optional search function for clinical trial information

Keywords, several conditions

Keywords, several conditions

Several conditions

Keywords, several conditions

Several conditions

Several conditions

Several conditions

Keywords, several conditions

Several conditions

Several conditions

Keywords

Several conditions

Keywords, several conditions

Several conditions

Display contents of search results

6 items

4 items

6 items

4 items

4 items

2 items

1 item

13 items

3 items

1 item

4 items

3 items

4 items

1 item

Overview display of search results for patients

No

No

Yes

No

No

No

No

No

No

Yes

No

No

No

No

Clinical trial search for each specific disease area

No

No

No

No

No

No

No

No

No

No

No

No

No

No

Information regarding past clinical trials

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Information regarding clinical trials conducted in other facilities

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Keyword shortcut to search

No

No

No

No

No

Yes

No

No

No

No

No

No

No

No

  1. ‘No’ encompasses ‘not provided’, ‘no description’ and ‘no distinction’. A dash (–) indicates that the response is summarized in the answer of another item or could not be evaluated.