Healthy Clinical Trial - Sensory Evaluation of the Taste of Pediatric

Status Completed

Clinical Trial Summary

The investigators will conduct a systematic study of the sensory perception of a diverse set of commonly used pediatric liquid medications and excipients in tandem with an equally complete genetic analysis of the adult sensory panelists to investigate the relationship between genetic variation and individual differences in the perceived flavor (taste, smell, irritation) of pediatric medicines. The flavor of each medicine and excipient will be measured individually using both cognitively demanding methods unsuitable for young children and simpler measures validated for use by children. Salivary DNA samples will be collected to carry out genome wide association study (GWAS).

Clinical Trial Description

This is a single-site, cross-sectional, repeated measures study of healthy adult panelists which will investigate individual differences in the taste of a diverse set of commonly used pediatric liquid medications (e.g., clindamycin, prednisone, dexamethasone, mercaptopurine, ibuprofen, lopinavir/ritonavir, propylthiouracil) and excipients (e.g., sucrose, citric acid, bitter agents, salt, menthol and other odors) in tandem with genetic analysis. Because the medication given to pediatric patients is the whole liquid formulation (API + excipients), the investigators' approach will be to have panelists taste (without swallowing) what patients taste. Using validated psychophysical tools such as the general labelled magnitude scale (gLMS), the hedonic gLMS, and the hedonic 5-face scale, adults panelists will rate the intensity of the basic tastes, overall intensity, irritation, or palatability (hedonics) of a variety of pediatric drugs (with and without noseclips), along with generally recognized as safe (GRAS) taste and odor stimuli commonly used in basic research and/or as excipients in many liquid formulations These data will establish whether the palatability and flavor of each medicine varies among adult panelists. From these data, the investigators will determine a) whether the dislike of one medicine by a panelist predicts their dislike of another medicine in the same class or medicines with the same excipients; b) whether variation in the flavor and palatability ratings of each medicine relates to variation in genetic polymorphisms, as determined from the GWAS; and c) whether the panelists' palatability ratings of each medicine, as assessed by the simpler hedonic 5-face scale, is significantly related to hedonic gLMS ratings. ;

Study Design

Related Conditions & MeSH terms

Healthy

Clinical Trial Details

NCT number	NCT03627351
Study type	Observational
Source	Monell Chemical Senses Center
Contact
Status	Completed
Phase
Start date	September 1, 2018
Completion date	March 1, 2024

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Sensory Evaluation of the Taste of Pediatric Medicines — MEDTASTE

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms