Clinical trialNCT04850664UnknownPhase 2Interventional

Computerized Chemosensory-Based Orbitofrontal Cortex (CBOT) for Opioid Use Disorder

SponsorEvon Medics LLCEnrollment190CravingNegative AffectivityOpioid Use Disorder, ModerateOpioid Use Disorder, SevereWithdrawal Symptoms

View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Edwin Chapman, MD
Clinics of Dr. Edwin C. Chapman, MD, PC @ MHDG
Principal Investigator
clinicaltrials.gov ↗
Evaristus A Nwulia, MD
Evon Medics LLC
Principal Investigator
clinicaltrials.gov ↗
Marc Fishman, MD
Maryland Treatment Centers
Principal Investigator
clinicaltrials.gov ↗
Mark Johnson, MD
Howard University
Principal Investigator
clinicaltrials.gov ↗
Michael Serlin, MD
Family and Medical Counseling Service, Inc
Principal Investigator
clinicaltrials.gov ↗
Tanya Alim, MD
Howard University
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

4 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Clinics of Dr. Edwin Chapman @ Mhdg
Washington D.C., District of Columbia, United States
Edwin Chapman, MD
Recruiting
Family and Medical Counseling Service, Inc
Washington D.C., District of Columbia, United States
Michael Serlin, MD
Recruiting
Howard University
Washington D.C., District of Columbia, United States
Mark Johnson, MDTanya N Alim, MD
Recruiting
Maryland Treatment Centers @ Avery Road Treatment Center
Rockville, Maryland, United States
Kevin Wenzel, PhDMarc Fishman, MD
Recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 26 Mar 2021
Primary completion: 30 Nov 2022
Completion: 31 Dec 2022
Last update posted: 6 Aug 2021
Registered enrollment: 190
Registry id: NCT04850664

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.