Condition category
Injury, Occupational Diseases, Poisoning
Date applied
21/10/2005
Date assigned
12/12/2005
Last edited
19/10/2010
Prospective/Retrospective
Retrospectively registered
Overall trial status
Completed
Recruitment status
No longer recruiting

Plain English Summary

Not provided at time of registration

Trial website

Contact information

Type

Scientific

Primary contact

Prof Simon Wessely

ORCID ID

Contact details

Mobile Phones Research Unit
New Medical School Building
Bessemer Road
London
SE5 9PJ
United Kingdom
s.wessely@iop.kcl.ac.uk

Additional identifiers

EudraCT number

ClinicalTrials.gov number

Protocol/serial number

N/A

Study information

Scientific title

Acronym

Study hypothesis

Exposure to pulsed TETRA radiofrequency fields will be associated with higher symptom reporting than exposure to unpulsed radiofrequency fields or sham exposure.

Ethics approval

Not provided at time of registration

Study design

Randomised controlled trial

Primary study design

Observational

Secondary study design

Randomised controlled trial

Trial setting

Other

Trial type

Prevention

Patient information sheet

Condition

Self-reported sensitivity to radiofrequency fields

Intervention

Each participant will be exposed under double-blind conditions to three exposures in a randomised order: pulsed TETRA radiofrequency fields, unpulsed radiofrequency fields, sham exposure with no fields present. Each condition will last for a maximum of 50 minutes.

Intervention type

Other

Phase

Not Applicable

Drug names

Primary outcome measures

Self-reported symptom severity during exposure.

Secondary outcome measures

Comparison of the two groups in terms of general health and autonomic nervous system function.

Overall trial start date

21/10/2005

Overall trial end date

30/06/2008

Reason abandoned

Eligibility

Participant inclusion criteria

Two samples will be tested, consisting of 'sensitive' and 'control' police officers.
1. To be eligible for the sensitive group, an officer must report having often experienced negative symptoms that they attribute to acute exposure to a TETRA radio handset.
2. Only officers who never report such symptoms will be eligible for the 'control' group
2. All participants must be over 18

Participant type

Patient

Age group

Adult

Gender

Both

Target number of participants

120 participants (60 sensitive and 60 control)

Participant exclusion criteria

1. Pregnancy
2. Medical or psychiatric illness where current symptoms cannot be excluded
3. Current use of analgesics

Recruitment start date

21/10/2005

Recruitment end date

30/06/2008

Locations

Countries of recruitment

United Kingdom

Trial participating centre

Mobile Phones Research Unit
London
SE5 9PJ
United Kingdom

Sponsor information

Organisation

UK Mobile Telecommunications and Health Research Programme

Sponsor details

MTHR
c/o HPA Centre for Radiation
Chemical and Environmental Hazards
Chilton
Didcot
Oxfordshire
OX11 0RQ
United Kingdom
mthr@nrpb.org

Sponsor type

Research organisation

Website

http://www.mthr.org.uk

Funders

Funder type

Research organisation

Funder name

The Mobile Telecommunications and Health Research (MTHR) Programme (UK)

Alternative name(s)

Funding Body Type

Funding Body Subtype

Location

Results and Publications

Publication and dissemination plan

Not provided at time of registration

Intention to publish date

Participant level data

Not provided at time of registration

Results - basic reporting

Publication summary

2010 results in http://www.ncbi.nlm.nih.gov/pubmed/20864469

Publication citations

  1. Results

    Nieto-Hernandez R, Williams J, Cleare AJ, Landau S, Wessely S, Rubin GJ, Can exposure to a terrestrial trunked radio (TETRA)-like signal cause symptoms? A randomised double-blind provocation study., Occup Environ Med, 2011, 68, 5, 339-344, doi: 10.1136/oem.2010.055889.

Additional files

Editorial Notes