Theddeus Iheanacho, MBBS, DTM&H
Affiliated Faculty, Yale Institute for Global HealthDownloadHi-Res Photo
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Additional Titles
Director, Yale Global Mental Health, Psychiatry
Director, Global Mental Health Promotion Program, Yale School of Public Health
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About
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Titles
Affiliated Faculty, Yale Institute for Global Health; Director, Yale Global Mental Health, Psychiatry; Director, Global Mental Health Promotion Program, Yale School of Public Health
Departments & Organizations
- Division of Addictions
- Global Mental Health Promotion Program
- Psychiatry
- The HAPPINESS Project
- Yale Institute for Global Health
- Yale Ventures
Education & Training
- Fellow
- Yale University (2012)
- Resident
- Nassau University Medical Center (2011)
- Psychiatric Registrar
- Trinity College, Dublin (2007)
- DTM&H
- Royal College of Surgeons (2003)
- MBBS
- Abia State University (1998)
Research
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Overview
Medical Research Interests
Behavior, Addictive; Health Care; Psychiatry and Psychology
Public Health Interests
Global Health; Health Care Management; Mental Health; Substance Use, Addiction; Health Equity, Disparities, Social Determinants and Justice; Health Systems Reform
ORCID
0000-0002-7538-3611
Research at a Glance
Yale Co-Authors
Frequent collaborators of Theddeus Iheanacho's published research.
Publications Timeline
A big-picture view of Theddeus Iheanacho's research output by year.
Elina A. Stefanovics, PhD
Robert Rosenheck, MD
Charles C Dike, FRCPsych, MBChB, MPH
Angela Haeny, PhD
Asti Jackson, PhD
Yang Jae Lee, MD
35Publications
407Citations
Publications
2026
Integrating Medications for Addiction Treatment into Assertive Community Treatment Teams: A Pilot Feasibility Study
Iheanacho T, Ives M, Lin H, Rodis E, DeLuca D, Dike C. Integrating Medications for Addiction Treatment into Assertive Community Treatment Teams: A Pilot Feasibility Study. Community Mental Health Journal 2026, 1-10. PMID: 41739289, DOI: 10.1007/s10597-026-01602-z.Peer-Reviewed Original Research
2025
Interventions Integrating Mental Health Services Into HIV Care in Africa; a Scoping Review
Nwogwugwu C, Favor C, Fu Y, Iheanacho T. Interventions Integrating Mental Health Services Into HIV Care in Africa; a Scoping Review. International Journal Of Public Health 2025, 70: 1608137. PMID: 40692722, PMCID: PMC12277799, DOI: 10.3389/ijph.2025.1608137.Peer-Reviewed Original ResearchCitations
2024
Editorial: Evidence on the benefits of integrating mental health and HIV into packages of essential services and care
Abiodun O, Iheanacho T, Lawal S. Editorial: Evidence on the benefits of integrating mental health and HIV into packages of essential services and care. Frontiers In Reproductive Health 2024, 6: 1454453. PMID: 39069999, PMCID: PMC11272645, DOI: 10.3389/frph.2024.1454453.Commentaries, Editorials and LettersCitationsAltmetricExperiences of Stigma and Discrimination Compounded by Intersecting Identities among Individuals Receiving Medication for Opioid Use Disorder.
Nwanaji-Enwerem U, Redeker N, O’Connell M, Barry D, Iheanacho T, Knobf T, Scheinost D, Wang K, Yaggi K, Sadler L. Experiences of Stigma and Discrimination Compounded by Intersecting Identities among Individuals Receiving Medication for Opioid Use Disorder. Journal Of Health Care For The Poor And Underserved 2024, 35: 94-115. PMID: 38661862, PMCID: PMC12908579, DOI: 10.1353/hpu.2024.a919810.Peer-Reviewed Original ResearchCitationsIntegrating mental health into primary care in Nigeria: Implementation outcomes and clinical impact of the HAPPINESS intervention
Iheanacho T, Chu C, Aguocha C, Nwefoh E, Dike C. Integrating mental health into primary care in Nigeria: Implementation outcomes and clinical impact of the HAPPINESS intervention. Cambridge Prisms Global Mental Health 2024, 11: e9. PMID: 38390244, PMCID: PMC10882178, DOI: 10.1017/gmh.2024.4.Peer-Reviewed Original ResearchCitationsAltmetricPerceptions of the COVID-19 Vaccine and Willingness to Receive Vaccination among Health Workers in Nigeria: A Cross-sectional Study.
Isiguzo G, Stefanovics E, Unamba N, Mbam T, Anyaehie U, Chukwu C, Anyaehie U, Osy-Eneze C, Ibezim E, Okoro U, Njoku P, Adimekwe A, Ibediro K, Stefanovics G, Iheanacho T. Perceptions of the COVID-19 Vaccine and Willingness to Receive Vaccination among Health Workers in Nigeria: A Cross-sectional Study. Nigerian Journal Of Clinical Practice 2024, 27: 102-108. PMID: 38317042, DOI: 10.4103/njcp.njcp_537_23.Peer-Reviewed Original ResearchCitations
2023
Twelve-month outcomes of a destigmatizing theatrical intervention in rural Uganda
Lee Y, Christ R, Blackwell S, Rauben K, Krause A, Monnig E, Ssekalo I, Iheanacho T, Rosenheck R. Twelve-month outcomes of a destigmatizing theatrical intervention in rural Uganda. Current Psychology 2023, 43: 14676-14685. DOI: 10.1007/s12144-023-05427-x.Peer-Reviewed Original ResearchCitationsAltmetricDigital Health Inclusion: A Pilot Study of Health Services Deployment Using Communications Satellite for the Underserved in Nigeria
Salami Lawal L, Alale A, Iheanacho T, Ali Ibrahim I, Udoyen U, Jafaar A, Davey G, Radwin Chatwin C, Musa Aibinu A, Nasir Sambo M. Digital Health Inclusion: A Pilot Study of Health Services Deployment Using Communications Satellite for the Underserved in Nigeria. British Journal Of Healthcare And Medical Research 2023, 10: 86-103. DOI: 10.14738/bjhmr.103.14715.Peer-Reviewed Original ResearchCitationsAddressing the unmet mental health needs of people living with HIV: a scoping review of interventions in sub-Saharan Africa
Chukwuorji J, Ezeonu N, Ude N, Itanyi I, Eboreime E, Kung J, Dennett L, Olawepo J, Iheanacho T, Ogidi A, Rositch A, Nonyane B, Bass J, Ojo T, Ikpeazu A, Ezeanolue E. Addressing the unmet mental health needs of people living with HIV: a scoping review of interventions in sub-Saharan Africa. AIDS Care 2023, 35: 1677-1690. PMID: 36803172, DOI: 10.1080/09540121.2023.2176428.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsCitationsAltmetric
2022
Evaluation of a pilot, community-led mental illness de-stigmatization theater intervention in rural Uganda
Lee Y, Rauben K, Liu C, Kim R, van der Velde N, Taylor C, Walsh A, Asasira M, Katongole I, Hatfield-King J, Blackwell S, Iheanacho T, Christ R, Ssekalo I. Evaluation of a pilot, community-led mental illness de-stigmatization theater intervention in rural Uganda. BMC Psychiatry 2022, 22: 794. PMID: 36526984, PMCID: PMC9756628, DOI: 10.1186/s12888-022-04441-w.Peer-Reviewed Original ResearchCitationsAltmetric
Academic Achievements & Community Involvement
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Activities
activity Yale University
10/27/2016 - PresentCommitteesFaculty MemberDetailsClinical Skills Assessment Committee, School of Medicineactivity Yale University
08/15/2017 - PresentCommitteesFaculty MemberDetailsMedical Students Education Committee, Department of Psychiatryactivity Behavioral Health in Emergency Departments
01/01/2021 - PresentResearchDetailsNairobi, Nairobi County, KenyaCollaboratorsactivity The HAPPINESS Project
04/09/2018 - PresentResearchDetailsOwerri, IM, NigeriaCollaborators- Dr. Emeka NwefohImo State University Teaching Hospital
- Dr. Chinyere AguochaImo State University Teaching Hospital
Abstract/SynopsisIntegrating mental health in primary care in Imo State, Nigeria
activity Mental Health Services In Nigeria: Opportunities for Improvement
07/18/2014 - 07/18/2014OtherScientific ConferenceDetailsAnaheim, CA, United StatesSponsored by Association of Nigerian Physicians in the Americas (ANPA)Abstract/SynopsisImproving access to mental health care using existing infrastructures in resource-limited settings
Honors
honor Hecht Faculty Network Award
05/19/2020Yale University AwardDetailsUnited Stateshonor Irma Bland Certificate of Excellence in Teaching Residents
01/12/2017National AwardAmerican Psychiatric AssociationDetailsUnited Stateshonor Yale Clinical Innovations in Psychiatry
11/30/2014Yale School of Medicine AwardDetailsUnited States
News & Links
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News
- July 08, 2026
Yale Psychiatry Faculty, Trainees Contribute to Book 'AAAP Review of Addiction Psychiatry'
- December 19, 2023
HAPPINESS Project Expanding Services to People Living With HIV/AIDS
- April 26, 2022
Yale Psychiatry, Yale Global Mental Health Program Launch Training Initiative in Nigeria
- October 13, 2021
NIH Funds $11.8 Million Research Center at Yale on Opioid Use Disorder, Opioid Misuse, and Chronic Pain
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