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Anorexia NervosaSANONCT03273205

Transcranial Direct Current Stimulation (tDCS) in the Treatment of Anorexia Nervosa

A study testing Anodal tDCS in people with Anorexia Nervosa, run by Silvie Ceresnakova at 1 site in Czechia.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Anorexia Nervosa (AN) is a serious and often chronical eating disorder characterized by an extreme effort for weight loss and intense fear of becoming fat despite the obvious thinness. The treatment is very difficult and not always effective. Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Anorexia Nervosa
What is being tested?
Anodal tDCS
Type of treatment
Medical device
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
43 participants
Where
1 siteCzechia
Study dates
22 May 2017to 1 Feb 2021
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • patients with the diagnosis of anorexia nervosa

Who cannot join

  • patients: with the diagnosis of epilepsy, after a serious injury of head, with chronic headache, with some metal or electronic implants in their heads and patients who are pregnant.

Trial locations and contacts

1 site in 1 country.

Czechia1 site
  • Department of Psychiatry, Charles University in Prague and General University Hospital in Prague

    Prague, 121 08

Other trials in Czechia

About this study

Official title: The Changes in the Body-perception and Perception of the Pain in Patients With Anorexia Nervosa Before and After Using the tDCS

Anorexia Nervosa (AN) is a serious and often chronical eating disorder characterized by an extreme effort for weight loss and intense fear of becoming fat despite the obvious thinness. The treatment is very difficult and not always effective. That´s the reason why we are looking for new ways of the therapeutic approach.

Transcranial direct current stimulation (tDCS) is a neuromodulation technique, which modulates the neuronal excitability. According to previous research it has a potential to help people with Anorexia Nervosa.

Read more

The device for the tDCS has two electrodes, an anode (the excitatory one) and a cathode (the inhibitory one). We put them on the skull into the different positions, in dependence on the fact, if we want to excite or on to inhibit the parts of the brain under the electrodes.

There are several hypothesis how could the tDCS help in patients with AN. One of them speaks about the hyperactivity of the right hemisphere in Anorexia Nervosa. Therefore could the anodal (excitatory) tDCS over the left hemisphere and the cathodal (inhibitory one) help in resetting the inter-hemispheric balance.

Read the detailed description

Stimulation of 2 milliampere is applied for 30 minutes in every real session. Together there are 10 sessions, the application is every workday within 2 weeks.

All measurements and questionnaires are made 4 times:

  1. Before the stimulation
  2. On the day of the last stimulation
  3. 14 days after the last stimulation
  4. 28 days after the last stimulation
Being tested
Anodal tDCS, Sham tDCS
Keywords
Transcranial direct current stimulation (tDCS)
Medical subject headings
Anorexia Nervosa

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Anodal tDCSDevice

    This group gets a real stimulation

  • Sham tDCSDevice

    This group gets a sham stimulation

Study groups in NCT03273205
Study groupRoleWhat they receive
Anodal tDCSExperimentalThe first group of patients has the real stimulation and the electrodes are placed in this position: Anode: Left DLPFC [F3) Cathode: Right Supraorbital (FP2)
Receives: Device: Anodal tDCS
Sham tDCSSham comparatorThe second group has the sham stimulation, but the electrodes are placed in the same position as in the first group: Anode: Left DLPFC [F3) Cathode: Right Supraorbital (FP2)
Receives: Device: Sham tDCS

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change of the Eating Disorders Examination Questionnaire (EDEq) score

    Comparison of the total scores and subscores of the Eating Disorders Examination Questionnaire (EDEq)

    Measured: 8 weeks

Secondary outcomes (3)
  1. Change of the Zung Self-Rating Depression Scale

    Comparison of the total scores of the Zung Self-Rating Depression Scale

    Measured: 8 weeks

  2. Change of the pain threshold

    Measurement of the pain threshold with the TSA II Neuro Sensory Analyzer

    Measured: 8 weeks

  3. Change of the weight in kilograms

    Regularly weighting on the scale

    Measured: 8 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Sep 2017
  2. Study start22 May 2017
  3. Primary completion1 Apr 2020
  4. Study completion1 Feb 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
43 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03273205
Sponsor's protocol ID
1955/16 S-IV
Acronym
SANO
Status last verified
Feb 2021
First submitted
1 Sep 2017
Last updated
17 Feb 2021
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Baumann S, Mares T, Albrecht J, Anders M, Vochoskova K, Hill M, Bulant J, Yamamotova A, Stastny O, Novak T, Holanova P, Lambertova A, Papezova H. Effects of Transcranial Direct Current Stimulation Treatment for Anorexia Nervosa. Front Psychiatry. 2021 Oct 6;12:717255. doi: 10.3389/fpsyt.2021.717255. eCollection 2021.

    PubMed 34690831

Questions about this trial

What is this clinical trial studying?

A study testing Anodal tDCS in people with Anorexia Nervosa, run by Silvie Ceresnakova at 1 site in Czechia.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 17 Feb 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Czechia. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change of the Eating Disorders Examination Questionnaire (EDEq) score (time frame: 8 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03273205, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Feb 2021.

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