NCT05869110Completed
OLFactory Odour Stimulation and FOOD Preferences
OLFO-FOOD: OLFactory Odour Stimulation and FOOD Preferences
Source: ClinicalTrials.gov · Last updated 12 Dec 2024
Brief summary (registry, in English)
The aim of the present "OLFO-FOOD" clinical trial is to investigate, if olfactory stimulation impacts food choice, reference and calorie intake in humans with obesity assessed using a test buffet.
- Status (registry)
- Completed
- Study type
- Interventional
- Enrollment
- 24 (actual)
- First submitted
- 11 May 2023
- Start date
- 20 Apr 2023
- Primary completion date
- 31 Jul 2024
- Lead sponsor
- University Hospital, Basel, Switzerland
- Diseases
- Obesity
- NCT number
- NCT05869110
What you commit to
- Study type: Interventional
- Participants enrolled: 24
- From 20 Apr 2023 to the primary completion date, 31 Jul 2024
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Surgical intervention of the nasal cavity or the paranasal sinus
- Current illicit drug abuse including daily marijuana and CBD (Cannabidiol) consumption (alcohol ≤2 drinks per day allowed)
- Treatment with insulin-sensitizing drugs within the last 3 months
- Treatment with Glucagon-like Peptide 1 (GLP1)-analoga
- Regular use of psychopharmaceutic drugs
- Bariatric surgery
Other illness
- Known allergy to olfactory stimulation substance, citrus fruits, citrus flavours, citrus food products
- Lactose-intolerance, celiac disease or non-celiac wheat sensitivity
- Eating disorder (now or in the past)
- Acute disease affecting food intake
- Acute upper respiratory tract infection, acute or chronic sinusitis
- Severe visual impairment (vision \<10%)
- Any kind of severe chronic disease (e.g. severe heart failure, active cancer disease)
- Type 1 and 2 diabetes mellitus
- History of neurodegenerative diseases, severe head trauma
- Severe renal impairment (e.g. estimated glomerular filtration rate \<30 ml/min/m2)
- Known liver cirrhosis or other severe liver impairment
- Uncontrolled hypertension
- Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc.
Other
- Diet other than omnivore or vegetarian
- Dysphagia
- Use of any kind of decongestant more than twice a week
- Uncontrolled dysthyroidism
- Study participants aims to start a new diet or exercise program during the study
- Pregnancy/Lactation
- Participation in an interventional study within the last 3 months
Who the study is looking for
- Age 18-60 years
- Written informed consent
- BMI ≥30 kg/m2
- Normosmia (as defined by Sniffin' Sticks Test)
Age in the registry: 18 years to 60 years · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Save your city in your profile to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| University Hospital Basel Coordinator of this site? Confirm its status | Basel | Switzerland | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.