Plant Stanol Esters and Preventing Asthma Symptoms

Last updated: May 21, 2024
Sponsor: Maastricht University Medical Center
Overall Status: Active - Recruiting

Phase

N/A

Condition

Asthma

Vascular Diseases

Treatment

Placebo soft chew

Soft chews containing 0.5g plant stanols (delivered as plant stanol esters)

Clinical Study ID

NCT03983603
METC 18-064
  • Ages 18-70
  • All Genders

Study Summary

Plant stanols are known to lower low-density lipoprotein cholesterol. However, studies have suggested that these compounds also influence the immune system. Asthmatic responses are predominantly T helper (Th)2 cell dependent, while plant stanols were previously found to activate Th1 cells and shift the immune response away from the Th2 cell dominant asthmatic response. The question now is whether this also translates into a reduction of clinical symptoms in asthma patients.The primary objective of this study is to demonstrate clinical benefits of prolonged consumption of plant stanols (delivered via plant stanol esters) in asthma patients. The secondary objectives are to evaluate the mechanisms via which plant stanols modulate the immune system and to evaluate the effects of plant stanol ester consumption on cardiovascular (CVD) risk parameters.

Eligibility Criteria

Inclusion

Inclusion Criteria:

  • Diagnosed with allergic asthma (GINA step 1-4) which is in a stable phase at themoment of inclusion (defined as no changes in asthma control and lung function in (at least) the past three months)

  • Have been treated with prescribed asthma medication for at least one year

  • Aged 18-70 years old

  • BMI between 20 and 35 kg/m2

  • Willing to abstain from products containing plant sterols or stanols one month priorto the study (products with a cholesterol lowering claim of Becel ProActiv, Benecol,Danacol, store brands)

  • Willing to abstain from products containing plant sterols or stanols during thestudy (products with a cholesterol lowering claim of Becel ProActiv, Benecol,Danacol, store brands)

  • Willing to keep the intake of fish oil supplements constant

Exclusion

Exclusion Criteria:

  • Currently smoking or quitted smoking in the past year, with a maximum of 10packyears as smoking history (packyears = packs per day * years of smoking)

  • Allergy to an ingredient of the soft chews

  • Suffering from inflammatory diseases (for CVD, illness must be minimally 3 years agoand currently under control in order to participate in the study)

  • Fasting plasma glucose > 7.0 mmol/L

  • Fasting serum TC > 8.0 mmol/L

  • Having donated blood within one month prior to the start of the study, or planningto donate blood during the study

  • Pregnant women

  • Breastfeeding women

Study Design

Total Participants: 160
Treatment Group(s): 2
Primary Treatment: Placebo soft chew
Phase:
Study Start date:
April 29, 2019
Estimated Completion Date:
September 30, 2024

Connect with a study center

  • Maastricht University Medical Center

    Maastricht, Limburg 6229ER
    Netherlands

    Active - Recruiting

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