NCT04873011

Brief Summary

The worldwide increase in the prevalence of obesity is a cause of great concern. Pharmacological treatment options are being explored at the moment with a major focus on the hormones produced by the gastrointestinal tract which regulate hunger and satiation/satiety. Modulating the release of these hormones via bitter substances reduced appetite-related sensations and gastrointestinal motility in lean female volunteers. Intragastric administration of a quinine-solution has shown to decrease hunger sensations in healthy female volunteers. Now, we want to examine whether this effect is still seen in an overweight female population.

Trial Health

57
Monitor

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
40

participants targeted

Target at P25-P50 for phase_1 obesity

Timeline
Completed

Started Oct 2020

Longer than P75 for phase_1 obesity

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

October 29, 2020

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

April 29, 2021

Completed
6 days until next milestone

First Posted

Study publicly available on registry

May 5, 2021

Completed
4.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 29, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 29, 2025

Completed
Last Updated

July 3, 2024

Status Verified

July 1, 2024

Enrollment Period

5 years

First QC Date

April 29, 2021

Last Update Submit

July 1, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • To detect changes in consumed milkshake volume after acute administration of quinine hydrochloride compared to placebo.

    Hedonic food intake will be assessed using a chocolate milkshake drinking task. Subjects are instructed to drink ad libitum from a chocolate milkshake until fully satiated. The milkshake will be weighted before and after the experiment. 1 g of chocolate milkshake = 1 kcal.

    60 minutes after quinine hydrochloride or placebo infusion

Secondary Outcomes (3)

  • To detect changes in the release of gastrointestinal hormones after acute administration of quinine hydrochloride compared to placebo.

    First sample 10 min prior to administration. Followed by collections every 10 minutes after administration for a period of 90 minutes.

  • To detect changes in appetite-related sensations after acute administration of quinine hydrochloride compared to placebo.

    all appetite-related sensations will be scored every 10 minutes for a period of 110 minutes, starting 20 minutes before quinine or placebo infusion and ending 90 minutes after administration

  • To detect changes in whole blood glucose levels after acute administration of quinine hydrochloride compared to placebo

    First sample 10 min prior to administration. Followed by collections every 10 minutes after administration for a period of 90 minutes.

Study Arms (2)

Quinine hydrochloride

EXPERIMENTAL

The bitter tastant, quinine hydrochloride, will be acutely infused via a nasogastric feeding tube into the stomach. 320 mg of quinine hydrochloride is dissolved in 10 mL of water and all is infused.

Drug: Quinine Hydrochloride

Placebo

PLACEBO COMPARATOR

10 mL of water is infused via a nasogastric feeding tube into the stomach.

Drug: Placebo

Interventions

After a stabilization period of 20 minutes and 10 minutes after the first blood collection, 10 mL of the quinine hydrochloride solution will be infused into the stomach in a randomized, double-blinded fashion

Quinine hydrochloride

After a stabilization period of 20 minutes and 10 minutes after the first blood collection, 10 mL of water will be infused into the stomach in a randomized, double-blinded fashion

Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexfemale(Gender-based eligibility)
Gender Eligibility DetailsFemale volunteers are lingually more sensitive for the bitter taste compared to males. There are indications that also in the gut, the response is stronger in female volunteers than men.
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subject is female between 18 and 65 years of age.
  • Subject has a BMI between 25 and 30 kg/m² and has a stable body weight for at least 3 consecutive months at the start of the study and keeps a stable weight during the study visits.
  • Women of child-bearing age agree to apply during the entire duration of the trial a highly effective method of birth control, which is defined as those which result in a low failure rate (i.e., less than 1% per year) when used constantly and correctly such as implants, injectables, combined oral contraceptive method, or some intrauterine devices (IUDs), sexual abstinence, or vasectomized partner. Women of non-childbearing potential may be included if surgically sterile (tubal ligation or hysterectomy) or postmenopausal with at least 2 year without spontaneous menses.
  • Subject understands the study procedures and agrees to participate in the study by giving written informed consent.

You may not qualify if:

  • Subject is under age of legal consent, male, pregnant or breastfeeding.
  • Subject with a BMI ≤ 25 kg/m² or BMI ≥ 30 kg/m².
  • Subject has current symptoms or a history of gastrointestinal or other significant somatic or psychiatric diseases or drug allergies.
  • Subject is currently following a weight loss diet or other treatment for obesity.
  • Subject has diabetes.
  • Subject has a significant heart, lung, liver or kidney disease.
  • Subject has a QT-interval \> 450 ms.
  • Subject has any history of a neurological disorder.
  • Subject has a history of abdominal surgery. Those having undergone a simple appendectomy more than 1 year prior to the screening visit may participate.
  • Subject has retinopathy.
  • Subject suffers from psoriasis.
  • Subject has porphyria.
  • Subject has a hematologic disorder (e.g. hemolysis, thrombocytopenia).
  • Subject shows abnormal eating behavior or has a history of an eating disorder.
  • History or current use of drugs that can affect glycaemia, gastrointestinal function, motility or sensitivity or gastric acidity.
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

TARGID

Leuven, Vlaams-Brabant, 3000, Belgium

RECRUITING

MeSH Terms

Conditions

Obesity

Interventions

Quinine

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Cinchona AlkaloidsAlkaloidsHeterocyclic CompoundsQuinuclidinesHeterocyclic Compounds, Bridged-RingQuinolinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 29, 2021

First Posted

May 5, 2021

Study Start

October 29, 2020

Primary Completion

October 29, 2025

Study Completion

October 29, 2025

Last Updated

July 3, 2024

Record last verified: 2024-07

Data Sharing

IPD Sharing
Will not share

Locations