Clinical trial Recruiting at 1 site Interventional Ages 18 to 100

Semantic rehabilitation for patients with primary progressive semantic aphasia

Official title: Evaluation of the Effect of a Semantic Rehabilitation in Patients in the Mild to Moderate Stage of Primary Progressive Semantic Aphasia : a SCED Study

Run by University Hospital, Toulouse · NCT04957537 · Data updated 2026-11-12

This study is testing a personalized speech therapy program to see if it can help people with primary progressive semantic aphasia improve their understanding and use of words.

Quick facts

Study typeInterventional
Ages18 Years to 100 Years
SexAll
Enrollment15 (estimated)
SponsorUniversity Hospital, Toulouse
Academic / other
Locations1 site (Toulouse)
StatusRecruiting
StartedSeptember 20, 2021
Main results expectedMarch 20, 2027
Study endsMarch 20, 2027
Registry record updatedAugust 11, 2026
Trial IDNCT04957537 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults over 18 years old diagnosed with mild to moderate primary progressive semantic aphasia.

Probably not a fit

Patients with significant uncorrected sensory impairments, severe psychiatric disorders, or those unable to participate due to motor or comprehension issues may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This project aims to evaluate the effectiveness of a personalized semantic rehabilitation protocol for patients diagnosed with primary progressive semantic aphasia (PPA). The study utilizes the Single Case Experimental Design (SCED) methodology to analyze individual responses to therapy, focusing on improving access to concepts, word memory, and meaning. Given the lack of effective pharmacological treatments for this condition, the study emphasizes the importance of tailored speech and language therapy to enhance patients' quality of life. The approach is based on previous findings that suggest personalized therapy can lead to better retention and generalization of relearned knowledge.

Why it matters

Potential benefit: If successful, this study could significantly improve communication abilities and quality of life for patients suffering from primary progressive semantic aphasia.

How similar studies have gone: While semantic rehabilitation has shown effectiveness in other types of aphasia, studies specifically targeting primary progressive semantic aphasia are limited and may present methodological challenges.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Have a diagnosis of primary progressive semantic aphasia according to the criteria of Gorno-Tempini et al (2011) (Appendix A)
* Being in the mild to moderate stage of dementia (MMSE score between 10 and 28) (Crum et al., 1993; Derouesné et al., 1999)
* Common French
* Being affiliated to a social security scheme
* Being over the age of 18 years old

Exclusion Criteria:

* Have significant uncorrected visual and/or hearing impairment
* Have a history of brain injuries, major head trauma
* Have untreated psychiatric disorders
* Have significant motor and/or comprehension problems that make it impossible to take part in the study
* Chronical use of drugs and/or alcohol
* Under guardians or curators
* Severe depression (Beck's depression scale score \> 9) (Beck \& al., 1961)

Where it's running

  • CHU Toulouse
    Toulouse, France
    Recruiting

Study contacts

  • Principal investigator: Jérémie PARIENTE, MD PhD — University Hospital, Toulouse
  • Study coordinator: Jérémie PARIENTE, MD PhD
  • Email: pariente.j@chu-toulouse.fr
  • Phone: 0561777686

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.