NCT06955975

Brief Summary

The study involves the intake of Low-methoxy (LM) pectin (polysaccharides extracted from citrus peels), which are commonly found in the UK diet (not pharmacological agents), to test their effects on systematic inflammation in the body and gut microbiome composition. Study subjects will be healthy elderly with early signs of frailty or pre-frailty from the local population and will be asked to attend the laboratory on 2 occasions; before and after 4-week' supplementing the diet daily with either 10g of pectin with 10g of whey protein and 10g of cocoa powder added as flavour (active arm) or 10g of whey protein with 10g of cocoa powder added as flavour (placebo). Participants will be given the blinded products portioned in individual sachets, with instructions to add the contents of one sachet a day to 150ml of milk and to consume immediately. At each study visit (\~90 minutes), participants will be asked to provide a stool and blood sample, will have blood pressure, heart rate, weight, height, and waist/hip ratio measured, research team will perform physical functioning test (Time up and go test, 30-second sit to stand test) as well as participants will complete the quality-of-life questionnaire (SF-36), the Depression and Anxiety (HADS) and the Gastrointestinal Symptom Rating Scale (GSRS).

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Feb 2025

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 10, 2025

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

April 24, 2025

Completed
8 days until next milestone

First Posted

Study publicly available on registry

May 2, 2025

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 31, 2026

Completed
Last Updated

June 22, 2025

Status Verified

June 1, 2025

Enrollment Period

1.1 years

First QC Date

April 24, 2025

Last Update Submit

June 17, 2025

Conditions

Keywords

PectinLM PectinFrailtyPre-FrailtySystemic inflammationDietary interventionGut microbiome

Outcome Measures

Primary Outcomes (3)

  • Change in microbiome profile

    Change in microbiome profile, assessed using 16s RNA sequencing analysis of faecal samples provided pre and post the 4-week intervention period.

    4 weeks

  • Change in inflammatory profile

    Change in circulating markers of inflammation measured by ELISAs in serum samples collected pre and post the 4-week intervention period.

    4 weeks

  • Changes in short chain fatty acids (SCFAs)

    Change in serum SCFAs measured by mass spectrometry pre and post the 4-week intervention period.

    4 weeks

Secondary Outcomes (10)

  • Change in systolic blood pressure (lying to standing) pre intervention

    4 minutes

  • Change in systolic blood pressure (lying to standing) post intervention

    4 minutes

  • Change in diastolic blood pressure (lying to standing) pre intervention

    4 minutes

  • Change in diastolic blood pressure (lying to standing) post intervention

    4 minutes

  • Change in body mass index (BMI)

    4 weeks

  • +5 more secondary outcomes

Study Arms (2)

Pectin

ACTIVE COMPARATOR

10g of pectin with 10g of whey protein and 10g of cocoa powder added as flavour will be provided to participants for 4 weeks.

Dietary Supplement: Pectin

Whey protein

PLACEBO COMPARATOR

10g of whey protein with 10g of cocoa powder added as flavour will be provided to participants for 4 weeks.

Other: Whey protein

Interventions

PectinDIETARY_SUPPLEMENT

10g of pectin with 10g of whey protein and 10g of cocoa powder added as flavour were randomly allocated to eligible participants in order to test specific effects on gut microbiome composition and metabolic markers.

Pectin

10g of whey protein with 10g of cocoa powder added as flavour served as the control/ placebo to compare the effects observed with pectin.

Whey protein

Eligibility Criteria

Age65 Years+
Sexall
Healthy VolunteersYes
Age GroupsOlder Adult (65+)

You may qualify if:

  • Participant is willing and able to give informed consent for participation in the study.
  • Participant eligibility includes those aged \>65 years who have a body mass index (BMI) between 18.5 and 39.9 kg/m2.
  • Participants who are considered as pre-frail or frail based on FRAIL (Simple Frailty Questionnaire).

You may not qualify if:

  • Have gastrointestinal conditions e.g. malabsorptive conditions such as IBS/IBD, coeliac or functional conditions such as gastroparesis or food intolerances etc.
  • History of major surgery which potentially limit participation or completion of the study.
  • History of gastrointestinal resection surgery, including bariatric surgery.
  • Used of antibiotics, antifungal medications, probiotics or prebiotics 90 days before the start of the study.
  • Are taking the following medications: immunosuppressants, amiodarone and/or perhexiline.
  • Are currently following or anticipated to commence a specialised commercially available weight loss diet and/or program.
  • History of side effects towards probiotics or prebiotics.
  • History or current psychiatric illness.
  • History or current neurological condition (e.g. epilepsy).
  • Having taken part in a research study in the last 3 months involving invasive procedures or an inconvenience allowance.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Nottingham

Nottingham, Nottingham, NG7 2UH, United Kingdom

RECRUITING

MeSH Terms

Conditions

Frailty

Interventions

PectinsWhey Proteins

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

BiopolymersPolymersMacromolecular SubstancesPolysaccharidesCarbohydratesPlant ExtractsPlant PreparationsBiological ProductsComplex MixturesMilk ProteinsAnimal Proteins, DietaryDietary ProteinsProteinsAmino Acids, Peptides, and ProteinsWheyMilkDairy ProductsFoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Study Officials

  • Professor Ana Valdes, PhD student candidate

    University of Nottingham

    PRINCIPAL INVESTIGATOR
  • Noor K Al-Tameemi, PhD student candidate

    University of Nottingham

    STUDY DIRECTOR

Central Study Contacts

Noor K Al-Tameemi, PhD student candidate

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Double-blinded.
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Model Details: Controlled intervention
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor in Genetic and Molecular Epidemiology

Study Record Dates

First Submitted

April 24, 2025

First Posted

May 2, 2025

Study Start

February 10, 2025

Primary Completion

March 31, 2026

Study Completion

March 31, 2026

Last Updated

June 22, 2025

Record last verified: 2025-06

Locations