CClinicalTrials.gg
CompletedNCT02105064Updated Mar 8, 2016

Repetitive Transcranial Magnetic Stimulation (rTMS) as an add-on Treatment for Resistant Obsessive-compulsive Symptoms in Patients With Schizophrenia

An interventional study of Active rTMS and SHAM rTMS in Schizophrenia and Obsessive-Compulsive Symptoms, sponsored by Hospital de Clinicas de Porto Alegre. Completed at 1 site in Brazil. Open to participants aged 18 Years to 60 Years. Per ClinicalTrials.gov, last updated 2016-03-08.

Sponsored by Hospital de Clinicas de Porto Alegre · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
12
Allocation
Randomized
Ages
18 Years to 60 Years
Sex
All
01

Study summary

This is a study to evaluate the efficacy of rTMS for relief of obsessive-compulsive symptoms in patients with schizophrenia.

02

Conditions studied

  • Schizophrenia
  • Obsessive-Compulsive Symptoms

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03

In context

Schizophrenia

3,470 studies on the registry are indexed under Schizophrenia; 471 are open to participants now.

This study's enrollment of 12 is below the median of 70 across 2,871 interventional studies indexed under Schizophrenia.

Browse Schizophrenia studies →

Lead sponsor

Hospital de Clinicas de Porto Alegre is the lead sponsor of 450 studies on the registry; 61 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Diagnosis of Schizophrenia (DSM-IV-TR)
  • YBOCS ≥ 16

Exclusion criteria

Exclusion Criteria:

  • Mental Retardation
  • Substance abuse
  • Any contraindication to rTMS
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Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Care provider, Outcomes assessor)
Enrollment
12 participants (actual)

Study arms

  • Active comparator
    Active rTMS

    rTMS over Supplementary Motor Area, 1hz, no pauses, 20 minutes per sessions. Total: 20 sessions.

    Device: Active rTMS

  • Sham comparator
    Sham

    Sham stimulation, 20 minutes per session, total 20 sessions

    Device: SHAM rTMS

Interventions

  • DeviceActive rTMS

    rTMS over supplementary motor area, 1hz, no pauses, 20 minutes/sessions, 5 sessions/week, 4 weeks. Total 20 sessions.

  • DeviceSHAM rTMS

    Sham rTMS, without brain stimulation

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What researchers measure

Primary outcomes

  1. Change of Obsessive Compulsive symptoms (using Yale-Brown Obsessive Compulsive Scale - Y-BOCS)

    Time frame: Baseline, after 20 rTMS sessions (an expected average of 4 weeks), and 4 weeks after end of treatment

Secondary outcomes

  1. Change of Psychotic Symptoms (using Brief Psychiatric Rating Scale - BPRS)

    Time frame: Baseline, after 20 rTMS sessions (an expected average of 4 weeks), and 4 weeks after end of treatment

  2. Change of Brain-Derived Neurotrophic Factor (BDNF)

    Time frame: Baseline, after 20 rTMS sessions (an expected average of 4 weeks), and 4 weeks after end of treatment

07

Study locations

1 site
  • Hospital de Clínicas de Porto Alegre
    Porto Alegre, Rio Grande do Sul 90035-903, Brazil
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 8, 2016, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02105064
Lead sponsor
Hospital de Clinicas de Porto Alegre
Collaborators
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Responsible party
Sponsor
First posted
Apr 7, 2014
Start date
Jul 2011
Primary completion
Dec 2014
Completion
Feb 2016
Last update
Mar 8, 2016

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Mar 2016. You cannot join it, but the record below documents what was studied.

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