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Clinical trialNCT04311619WithdrawnPhase 1Interventional

Does rTMS Induce Synaptic Plasticity?

SponsorDavidzon, Guido, M.D.Enrollment0Major Depressive Disorder
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to utilize the radioactive positron emission tomography (PET) tracer \[11C\]UCB-J to investigate the effect of repetitive transcranial magnetic stimulation (rTMS) on synaptic plasticity. UCB-J has been validated as a marker for synaptic density. We will use this tracer to examine if rTMS leads to changes in synaptic plasticity, specifically changes in synaptic density, in individuals receiving rTMS for MDD. If rTMS is proven effective for increasing synaptic plasticity, there is a significant potential of a new applicable treatment for a variety of diseases that affect brain physiology.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

2 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Va Palo Alto Health Care System

    Palo Alto, California, United States

  • Stanford University

    Stanford, California, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

[11C]UCB-J radiotracer
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
1 Dec 2019
Primary completion
1 Feb 2025
Completion
1 Feb 2025
Last update posted
2 Dec 2024
Registered enrollment
0
Registry id
NCT04311619
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.