Efficacy and Safety of Transcranial dIrect Current stiMulation (tDCS) in Progressive Supranuclear Palsy (PSP) (STIM-PSP) (STIM-PSP)

August 1, 2023 updated by: Marina Picillo, University of Salerno

Efficacy and Safety of Transcranial dIrect Current stiMulation (tDCS) on Motor and Cognitive Symptoms in Progressive Supranuclear Palsy (PSP) (STIM-PSP)

This is a double-blind, randomized, sham-controlled clinical trial that aim to verify the safety and the efficacy of anodal transcranial direct current stimulation (tDCS) on cognitive and motor symptoms in Progressive Supranuclear Palsy (PSP) over the left dorsolateral prefrontal cortex (dlPFC).

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Progressive Supranuclear Palsy (PSP) is a rapidly progressive neurodegenerative disease characterized by deposition of tau and motor, cognitive and behavioral symptoms. Since no effective treatment is available, non-invasive brain stimulation techniques, such as tDCS, could be a valid complementary therapeutic approach. The tDCS modulates the spontaneous activity of the neural network by applying a direct current flow on the cortical brain areas (anodic or cathodic stimulation). Despite its efficacy in psychiatric disorders, the therapeutic use of tDCS in neurodegenerative diseases requires more systematic studies. The aim of this study is to verify the safety and efficacy of tDCS in PSP on motor, cognitive and behavioral symptoms.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
24

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

  • Italy
      • Salerno, Italy
        • Centro per le Malattie Neurodegenerative (CEMAND) Dipartimento di Medicina e chirurgia, Sezione Neuroscienze, Università di Salerno

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

40 years to 89 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Diagnosis of PSP according with Movement Disorder Society (MDS) criteria (Hoglinger et al., 2017);
  • Age > 40 and < 89 years;
  • Presence of a caregiver supportive the patient for all study procedure;
  • Ability to walk for at least 5 steps either independently or with a minimum support (another patients holding patient's arm or with a walker)

Exclusion Criteria:

  • Presence of electrical stimulators (for example, pacemaker, Deep Brain Stimulation, DBS)
  • Difficult in understanding Italian language
  • Presence of severe sensory deficits (for example, visual or hearing impairments)
  • Education level <5 years
  • History of drug abuse
  • History of severe psychiatric disorders
  • History of transient ischemic attacks
  • Cortical or sub-cortical vascular lesions
  • Seizures or severe heart problems and previous neurosurgical operations
  • Absence of subjective cognitive deficits
  • MMSE (Mini-Mental State Examination) score <20
  • Left-handedness

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Real tDCS group
Participants receive anodal tDCS on the left dlPFC for 5 days/week for 2 weeks
Device: Anodal transcranial direct current stimulation (a-tDCS)
tDCS is delivered by a battery-driven constant current stimulator thought a pair of saline soaked surface sponge electrodes. The active electrode (anode) is placed on the scalp over the left dlPFC (F3) according to the 10 to 20 international electroencephalogram coordinates) and the cathode is placed over the right deltoid muscle. During real stimulation a constant current of 2mA (milli Ampere) is applied for 20 minutes.
Other Names:
  • Active tDCS
Sham Comparator: Sham group
Participants receive sham stimulation on the left dlPFC for 5 days/week for 2 weeks
Device: Sham Condition
For the sham condition the electrode placement is the same of active tDCS but the electric current is ramped down 5 seconds after the beginning of the stimulation.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Change from baseline to 3-month follow up in verbal fluency task
Time Frame: Baseline (T0); At 3-month (T3)
fluency in verbal names
Baseline (T0); At 3-month (T3)

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Change from baseline to 3-month follow in motor symptoms as assessed with sensor recordings (OPAL system)
Time Frame: Baseline (T0); At 3-month (T3)
movements recorded with digital sensors (gait and other tasks)
Baseline (T0); At 3-month (T3)
Change from baseline to 3-month follow up in cognitive symptoms as assessed with Montreal Cognitive Assessment (MOCA)
Time Frame: Baseline (T0); At 3-month (T3)
Cognitive status assessed with Montreal Cognitive Assessment (MOCA). The cut off is 15,5. The minimum value is 0 and the maximum is 30. Higher scores mean a better outcome.
Baseline (T0); At 3-month (T3)
Change from baseline to 3-month follow up in caregiver distress as assessed with Neuropshychiatric Inventory (NPI)
Time Frame: Baseline (T0); At 3-month (T3)
depression symptoms, apathy, neuropsychiatric symptoms assessed with Neuropshychiatric Inventory (NPI) . The minimum value of distress is 0 and the maximum is 5. Higher scores mean a worse outcome.
Baseline (T0); At 3-month (T3)
Change from baseline to 3-month follow up in executive function as assessed with Frontal Assessment Battery (FAB)
Time Frame: Baseline (T0); At 3-month (T3)
Executive function assessed with Frontal Assessment Battery (FAB). The cut off is 13,4. The minimum value is 0 and the maximum is 18. Higher scores mean a better outcome.
Baseline (T0); At 3-month (T3)
Change from baseline to 3-month follow up in attention as assessed with Frontal Assessment Battery (FAB)
Time Frame: Baseline (T0); At 3-month (T3)
Attention assessed with Frontal Assessment Battery (FAB). The cut off is 13,4. The minimum value is 0 and the maximum is 18. Higher scores mean a better outcome.
Baseline (T0); At 3-month (T3)
Change from baseline to 3-month follow up in caregiver distress as assessed with Zarit Carer Burden Burden Interview (ZBI)
Time Frame: Baseline (T0); At 3-month (T3)
Caregiver distress assessed with Zarit Carer Burden Burden Interview (ZBI). The minimum value is 0 and the maximum is 88. The cut off is 46. Higher scores mean a worse outcome.
Baseline (T0); At 3-month (T3)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
University of Salerno

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 1, 2021

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
May 11, 2022

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
May 11, 2022

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
November 27, 2020

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
November 27, 2020

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
December 4, 2020

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 2, 2023

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 1, 2023

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2023

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • tDCS 01-2020

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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