Status:

UNKNOWN

Circulating Ghrelin as a Biomarker for Dementia

Lead Sponsor:

Swansea University

Collaborating Sponsors:

Newcastle University

Conditions:

Dementia

Eligibility:

All Genders

60+ years

Phase:

NA

Brief Summary

The primary objective of this study will explore whether circulating acyl-ghrelin (AG) and unacylated-ghrelin (UAG) are reduced in neurodegenerative disease associated with cognitive impairment. It wi...

Eligibility Criteria

Inclusion

  • Age \> 60 years
  • Subject or carer / legal representative is willing to sign consent document
  • Specific criteria for each group;
  • Parkinson's Disease
  • PD diagnosed by a movement disorder specialist and meets the diagnosis of PD
  • MoCA \> 26/30
  • No evidence of cognitive symptoms causing functional impairment
  • Parkinson's Disease Dementia
  • PD diagnosed by a movement disorder specialist
  • Duration of motor symptoms \> 1 year
  • Meets MDS task force criteria for PDD
  • MoCA \< 21/30
  • Dementia with Lewy Bodies
  • Meets criteria for probable DLB as defined by the 4th report of the DLB consortium
  • Alzheimer's Disease
  • Meets criteria for probable AD dementia (consistent with NIA/AA core clinical criteria for probable AD dementia)

Exclusion

  • Age \< 60 years
  • Current major depression
  • Use of anti-psychotic medication
  • Type I or Type II diabetes mellitus (DM) (excluding diet-controlled DM)
  • Tobacco use
  • BMI \<15.0 kg/m2
  • BMI \> 30 kg/m2
  • Comorbid gastrointestinal disease i.e. includes Coeliac, active Inflammatory Bowel Disease (Colitis), evidence for active gastric ulcers within the last 12 months, but excludes gastroesophageal reflux and hiatus hernia.
  • \>5 kg weight change over the preceding 3 months (determined by researcher from previous clinic visit and discussion with partner/carer)
  • Significant active comorbidity
  • Difficult venous access
  • Vagotomy
  • Additional disease specific exclusions;
  • Parkinson's Disease exclusion criteria
  • Evidence of dementia or mild cognitive impairment
  • Deep brain stimulation (DBS)
  • Use of Duodopa
  • Parkinson's Disease Dementia exclusion criteria
  • Dementia within 12 months of diagnosis of PD
  • DBS
  • Dementia with Lewy bodies exclusion criteria
  • Onset of motor Parkinsonism symptoms greater than 12 months prior to dementia diagnosis
  • Alzheimer's dementia exclusion criteria
  • Presence of PD, PDD, DLB, or Frontotemporal Dementia (FTD)
  • Controls exclusion criteria
  • Evidence of parkinsonism
  • Evidence of dementia or mild cognitive impairment
  • MoCA \<26/30

Key Trial Info

Start Date :

August 15 2022

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 1 2024

Estimated Enrollment :

100 Patients enrolled

Trial Details

Trial ID

NCT05381090

Start Date

August 15 2022

End Date

September 1 2024

Last Update

October 26 2023

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Swansea University

Swansea, United Kingdom, sa2 8pp