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Trial · NCT05015595

Registered outcomes12

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryImprovement of OCD symptoms will be intended as a rate of more then 1/3 on the Y-BOCS total score.From the week number 5 to the week number 52The investigators will evaluate the improvement of symptoms through a decrease of OCD, intended as a rate of more then 1/3 on the Y-BOCS total score.
SecondaryEvaluate the minimum effective dose of memantineFrom the week number 5 to the week number 46
The second aim of the study is to evaluate the minimum effective dose of memantine in these patients. The investigators will evaluate the improvement of symptoms through reduction of both subscales (obsessive thoughts and compulsive behaviors) and of the total Y-BOCS score.
SecondaryEvaluate the effects after drug withdrawal through follow upFrom the week number 5 to the week number 46
Moreover the investigators will evaluate the effects after drug withdrawal during follow up through reduction of both subscales (obsessive thoughts and compulsive behaviors) and of the total Y-BOCS score.
OtherImprovement at the WAIS-IV.from the week number 5 to the week number 52
The third aim is to investigate the effect of memantine on patients without cognitive impairment, on improvement of cognitive functions through the reduction of total score of the WAIS-IV Digit Symbol.
OtherImprovement at the Trial Making Test.from the week number 5 to the week number 52The fourth aim is to evaluate the effect of memantine on patients without cognitive impairment, on improvement of cognitive functions through the reduction of total score of the Trial Making Test.
OtherImprovement at the Digit and Corsi Span.from the week number 5 to the week number 52The fifth aim is to evaluate the effect of memantine on patients without cognitive impairment, on improvement of cognitive functions through the reduction of total score of the Digit and Corsi Span.
OtherImprovement at the Corsi Block Tapping test.from the week number 5 to the week number 52
The sixth aim is to evaluate the effect of memantine on patients without cognitive impairment, on improvement of cognitive functions through the reduction of total score of the Corsi Block Tapping test.
OtherImprovement at the Story recall of Rivermead Behavioral Memory Test.from the week number 5 to the week number 52
The sixth aim is to evaluate the effect of memantine on patients without cognitive impairment, on improvement of cognitive functions through the reduction of total score of the Story recall of Rivermead Behavioral Memory Test.
OtherImprovement at the Babcock Story recall test.from the week number 5 to the week number 52
The eighth aim is to evaluate the effect of memantine on patients without cognitive impairment, on improvement of cognitive functions through the reduction of total score of the Story recall of Babcock Story recall test.
OtherImprovement at the Stroop Task.from the week number 5 to the week number 52The ninth aim is to evaluate the effect of memantine on patients without cognitive impairment, on improvement of cognitive functions through the reduction of total score of the Stroop Task.
OtherImprovement at the Tower of London.from the week number 5 to the week number 52The tenth aim is to evaluate the effect of memantine on patients without cognitive impairment, on improvement of cognitive functions through the reduction of total score of the Tower of London.
OtherImprovement at the the Modified Five Point Test.from the week number 5 to the week number 52
The eleventh aim is to evaluate the effect of memantine on patients without cognitive impairment, on improvement of cognitive functions through the reduction of total score of the the Modified Five Point Test.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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