Related Experiment Video
Updated: Jan 8, 2026

Author Spotlight: An Efficient Methodology to Confidently Differentiate and Characterize Fentanyl Analogs
Published on: November 8, 2024
Fentanyl test strip use and homelessness among people who use drugs in Rhode Island
Julia E Noguchi1, Yu Li1, Carolyn J Park1
1Department of Epidemiology, Brown University School of Public Health, 121 South Main Street, Providence, RI 02912, USA.
Background:
People experiencing homelessness have been disproportionately affected by the overdose crisis in the United States. We assessed whether an association exists between homelessness and fentanyl test strip (FTS) use to avoid drug overdose among people who use drugs in Rhode Island.
Methods:
We recruited 505 participants aged 18-65 from September 2020 to February 2023 as part of the Rhode Island Prescription Illicit Drug Study (RAPIDS). Baseline data assessed correlates of past-month FTS use through bivariate and multivariable analyses. We used generalized estimating equations (GEE) to estimate the longitudinal association between past-month homelessness and FTS use over 12 months.
Results:
At baseline, 19.3 % of the sample reported having used FTS in the past month, which was more commonly reported by those who were experiencing homelessness (22.6 %) compared to those who were housed (14.4 %), p = 0.021. In bivariable GEE analysis, past month homelessness was not associated with past-month FTS use (OR=1.22, 95 %CI: 0.95--1.56, p = 0.117). In multivariable GEE analysis, homelessness was not associated with FTS use, but regular use of crystal methamphetamine was (aOR = 2.13, 95 %CI: 1.42-3.19; p < 0.001). The odds of FTS use among persons recruited in 2023 increased by 165 % (aOR=2.65, 95 %CI: 1.22-5.76; p < 0.001) compared to those recruited in 2020.
Conclusions:
We found that housing status was not independently and longitudinally associated with FTS use; however, people who used crystal methamphetamine were more than twice as likely to have used FTS in the past month. Future research exploring how differential housing situations may affect uptake of harm reduction services is needed to prevent fentanyl overdose.
More Related Videos
10:35A Procedure to Study the Effect of Prolonged Food Restriction on Heroin Seeking in Abstinent Rats
Published on: November 11, 2013
10:17High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry
Published on: April 23, 2019
Related Concept Videos
Drug Delivery: Miscellaneous Routes
Oral inhalation and nasal sprays swiftly transfer drugs across the respiratory epithelium's mucosal layer. Inhaled glucocorticoids and bronchodilators directly target lung conditions such as asthma, while fluticasone nasal spray mitigates allergic rhinitis.
Transdermal patches transport drugs...
Substance Use Disorders Affecting Sleep
Understanding the concepts of physical dependence,...
Opioid Analgesics: Synthetic and Semisynthetic Opioids
Prescription, Nonprescription and Orphan Drugs
The misuse and addiction to prescription drugs is a growing problem that can affect people of all age groups, specifically teenagers. This can happen when prescription medications are used in ways not intended by the prescriber, such as taking someone else's prescription or using medication for...
Drug Dependence
Drug Abuse and Addiction: Pharmacological Phenomena