Healthy Clinical Trial - Effects of Dietary Conditions on Drug Response

Status Terminated

Clinical Trial Summary

This non-treatment study will examine how different dietary conditions may affect a person's response to commonly used drugs.

Clinical Trial Description

Volunteers (aim is 36 completers) will participate in a double-blind study conducted over a period of about 10-12 weeks including sessions for screening, food and beverage diary review, and drug exposure sessions. During screening, participants will be asked questions about participants' general characteristics including demographic information, mood, and personality. Participants will also be examined to determine medical eligibility. Eligible participants will complete diary sessions (4 total), experimental sessions (12 total) and end of study sessions (2 sessions). At food diary sessions, participants will be asked to eliminate certain foods and beverages from participants' diet, record daily food and beverage consumption and attend the laboratory approximately two times to discuss participants' food diaries. At these sessions, participants will orally ingest capsules containing commonly prescribed medications, over-the-counter medications, and/or placebo and will receive study capsules in blister packs which participants will take three times daily throughout the study. During experimental sessions, food and beverage restrictions will remain in place, participants will continue thrice daily capsule administration and will also be exposed to experimental test sessions. Participants will report to the laboratory 2-3 times weekly in order to ingest study capsules, receive blister packs and fill out questionnaires. After leaving the laboratory, participants will be asked to fill out surveys remotely in order to describe the effects of that session's capsules on mood and preference. After completing the first six sessions, participants will receive a mid-study bonus and have a 1-week break from attending sessions, during which participants will continue to swallow capsules thrice daily. Participants will return to the lab and complete two food diary sessions. After this, participants will complete experimental test sessions 7-12, where participants will again swallow capsules and complete questionnaires. After completing experimental test sessions 1-12, participants will complete a final experimental test session to facilitate the study assessment of subjective monetary value of drug conditions. Finally, participants will return to the laboratory to receive a bonus payment for study completion and to complete an end-of-study questionnaire. ;

Study Design

Related Conditions & MeSH terms

Healthy

Clinical Trial Details

NCT number	NCT04315961
Study type	Interventional
Source	Johns Hopkins University
Contact
Status	Terminated
Phase	Phase 1
Start date	September 18, 2020
Completion date	February 2, 2023

View Details

See also
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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.