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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT04315961
Other study ID # IRB00231935
Secondary ID R01DA003890
Status Terminated
Phase Phase 1
First received
Last updated
Start date September 18, 2020
Est. completion date February 2, 2023

Study information

Verified date February 2023
Source Johns Hopkins University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

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


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.


Recruitment information / eligibility

Status Terminated
Enrollment 2
Est. completion date February 2, 2023
Est. primary completion date February 2, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 45 Years
Eligibility Inclusion Criteria: - Age 18-45 years - Fluent in written and spoken English and is capable of understanding and complying with the protocol - Medically healthy - Non-smoker - Appropriate dietary/over-the-counter/prescription/illicit drug use history - Body Mass Index between 18.5 and 34.9 - Appropriate use of birth control in females e.g., barrier methods, hormonal contraceptives, Intra Uterine Devices (IUDs) Exclusion Criteria: - Known hypersensitivity to administered drugs - Current neurological, hepatic, renal, endocrine, cardiovascular, gastrointestinal, pulmonary or metabolic disease for which administration of the study drugs would be contraindicated - Current psychiatric or substance use condition that would interfere with study participation - Diastolic blood pressure >90 mmHg or a systolic pressure of >140 mmHg - Use of medications that would interfere with study participation - Unwilling or unable to comply with the protocol - Any other serious disease or condition that might affect life expectancy or make it difficult to successfully manage the subjects according to the protocol - Females: Pregnancy, breastfeeding, or plans to become pregnant

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Blinded drug dose conditions
Capsules will contain commonly prescribed or over-the-counter drugs or placebo. Capsules in this study may contain sedatives, muscle relaxants, or anti-anxiety medications, stimulant drugs/weight loss medications, or antihistamines which must remain blinded for the purposes of this study.

Locations

Country Name City State
United States Behavioral Pharmacology Research Unit, Johns Hopkins Bayview Medical Center Baltimore Maryland

Sponsors (2)

Lead Sponsor Collaborator
Johns Hopkins University National Institute on Drug Abuse (NIDA)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Peak participant subjective ratings of drug liking Primary outcome will be peak change in participant ratings of drug liking relative to pre-drug ratings within 4 hours post-administration during experimental test sessions. Participants rate drug liking on a scale from -4 (dislike very much) to 4 (like very much) where 0 = Neutral or No Effect. This is not a treatment study, and higher or lower ratings of drug liking do not represent better or worse outcomes. Up to 4 hours after capsule ingestion during experimental test session
Secondary Participant subjective ratings of drug value Secondary outcome will be subject rating of monetary drug value as assessed post-administration during experimental test sessions. Participants will rate the subjective value of the drug on a scale from -$30 (i.e., they would prefer to lose $30 rather than take the drug) to $30 (i.e., they would prefer to take today's drug instead of receiving $30). This is not a treatment study, and higher or lower ratings of drug value do not represent better or worse outcomes. Up to 4 hours after capsule ingestion during experimental test session
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