Condition category
Oral Health
Date applied
10/02/2005
Date assigned
29/07/2005
Last edited
10/09/2009
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

Dr Dieter Melchart

ORCID ID

Contact details

Centre for Complementary Medicine Research
Dept. Internal Medicine II
Technical University Munich
Kaiserstr. 9
Munich
80801
Germany
+49 (0)89 72669711
Dieter.Melchart@lrz.tu-muenchen.de

Additional identifiers

EudraCT number

ClinicalTrials.gov number

Protocol/serial number

N/A

Study information

Scientific title

Acronym

GAT (German Amalgam Trial)

Study hypothesis

Not provided at time of registration

Ethics approval

Not provided at time of registration

Study design

Randomised controlled trial

Primary study design

Interventional

Secondary study design

Randomised controlled trial

Trial setting

Not specified

Trial type

Treatment

Patient information sheet

Condition

Symptoms attributed to amalgam fillings

Intervention

Group 1: Removal of amalgam fillings and restoration with composites and other dental materials
Group 2: Removal of amalgam fillings and restoration with composites and other dental materials + mobilisation of mercury with complementary drug treatment
Group 3: No removal of amalgam fillings; psychosocial group intervention

Intervention type

Other

Phase

Not Specified

Drug names

Primary outcome measures

Not provided at time of registration

Secondary outcome measures

Not provided at time of registration

Overall trial start date

01/11/1998

Overall trial end date

31/07/2004

Reason abandoned

Eligibility

Participant inclusion criteria

90 patients with symptoms attributed to amalgam fillings

Participant type

Patient

Age group

Adult

Gender

Both

Target number of participants

90

Participant exclusion criteria

Patients with confirmed mental disorders or organic diseases were excluded

Recruitment start date

01/11/1998

Recruitment end date

31/07/2004

Locations

Countries of recruitment

Germany

Trial participating centre

Centre for Complementary Medicine Research
Munich
80801
Germany

Sponsor information

Organisation

Munich Technical University - Centre for Complementary Medicine Research (Germany)

Sponsor details

Dept. Internal Medicine II
Technical University Munich
Kaiserstr. 9
Munich
80801
Germany
+49 (0)89 72669711
Dieter.Melchart@lrz.tu-muenchen.de

Sponsor type

University/education

Website

Funders

Funder type

Research organisation

Funder name

German Association of Foundations for Science (Stifterverband der Deutschen Wissenschaft) (Germany)

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

2008 results in http://www.ncbi.nlm.nih.gov/pubmed/18362317

Publication citations

  1. Results

    Melchart D, Vogt S, Köhler W, Streng A, Weidenhammer W, Kremers L, Hickel R, Felgenhauer N, Zilker T, Wühr E, Halbach S, Treatment of health complaints attributed to amalgam., J. Dent. Res., 2008, 87, 4, 349-353.

Additional files

Editorial Notes