His area of Interest is Addiction Psychiatry, Medical, and Research Ethics. He is a certified Tobacco Cessation specialist and experienced in alcohol deaddiction. He is actively involved in national and international research studies on depression, alcoholism, ADHD children, and psychiatry education. He's a member of the Institutional Ethics Committee at St.John’s Medical College Hospital and a faculty of Department of Medical Ethics

Member, Karnataka Medical council
Life Fellow of Indian Psychiatric Society
Member of the Indian Psychiatric society - South Zone
Member, Richmond Fellowship Society (India)
Member of Indian Psychiatric Society - Konganadu Branch

Reviewer for Asian Journal of Psychiatry, Indian Journal of Occupational and Environmental Medicine, Indian Journal of Psychiatry and Medical Journal of the Armed Forces of India.
Editorial Board Member, Journal of Addictive Diseases

Former Member, Human Research Protection Program Board, SJNAHS
. (Instrumental in getting AAHRPP accreditation for SJNAHS)
Member, Institutional Ethical Committee, St.John’s Medical College, Bangalore
Ex-Officio, Research Society, St.John’s Medical College, Bangalore
Incharge of Community Mental health programme - “MAANASI”
Incharge of Undergraduate Psychiatry education and training
Member, Richmond Fellowship governing board (2020 onwards)
Accredited member of International Network on Brief Interventions for Alcohol & other Drugs (INEBRIA)

i. Sudharshan Hebbani, Johnson Pradeep, Sumithra S. Selvam, Krishnamachari Srinivasan. Influence of Socio-Cultural Factors on The Emotional Problems Among College Going Young-Adult Children of Parents with Alcoholism: A Study from South India. Asian Journal of Psychiatry 37 (2018) 26–31. DOI: https://doi.org/10.1016/j.ajp.2018.08.005.

ii. Johnson Pradeep, Mithun Sadashiva Acharya, Rajiv Radhakrishnan, Krishnamachari Srinivasan. Elevated Unconjugated Bilirubin in Schizophrenia Compared to Bipolar Affective Disorder. The Primary Care Companion for CNS Disorders. Prim Care Companion CNS Disord 2019;21(4):19m02448 https://doi.org/10.4088/PCC.19m02448.

a. Response to above article: Marques JG. Unconjugated Bilirubin in Schizophrenia/Schizoaffective Disorder Spectrum: An Overlooked and Underestimated Biomarker Candidate. The primary care companion for CNS disorders. 2020 Apr 23;22(2).

iii. Dev Shanker Yadav, Johnson Pradeep, Vinod G.Thykadavil. The Deritis (AST/ALT) ratio in alcohol dependence syndrome with and without alcoholic liver disease. Int J of Allied Med Sci and Clin Res 2019; 7(1): 163-169.

iv. Jayaram G, Goud R, Chandran S, Pradeep J. MAANASI-A Sustained, Innovative, Integrated Mental Healthcare Model in South India. Disability, CBR & Inclusive Development. 2019 Oct 4;30(2):104-13.

v. Ramya RM, Nisha CK, Johnson P. A Comparative study to assess the Resilience factors between wives of alcoholics and wives of non-alcoholics in a selected hospital, Bangalore. Asian Journal of Nursing Education and Research. 2019 Oct 23;9(4):530-5. Print ISSN : 2231-1149. Online ISSN : 2349-2996. DOI : 10.5958/2349-2996.2019.00113.7

vi. Bhat A, Goud BR, Pradeep JR, Jayaram G, Radhakrishnan R, Srinivasan K. Can mobile health improve depression treatment access and adherence among rural Indian women? A qualitative study. Culture, Medicine, and Psychiatry. 2020 Jan 8:1-8. https://doi.org/10.1007/s11013-019-09664-3

vii. Hebbani S, Ruben JP, Selvam S, Krishnamachari S. A study of resilience among young adult children of alcoholics in Southern India. Journal of addictive diseases. 2020 Apr 2;38(3):339-47. https://doi.org/10.1080/10550887.2020.1765716

viii. Chandran S, Sreedaran P, Pradeep J, Manohari SM, Kuppili PP, Kishor M. Using entertainment media to teach undergraduate psychiatry: Perspectives on the need and models of innovation. Arch Med Health Sci 2020; 8:125-32. DOI: 10.4103/amhs.amhs_57_20

ix. Jobi Mol J, Nisha Chacko Kunjumon, Johnson Pradeep Ruben & Harshad Devarbhavi (2020). Stressful life events, social support, and risk for relapse in relapsed harmful alcohol users in South India: a comparative study between psychiatry and gastroenterology patients, Journal of Addictive Diseases, 39:1, 125-132, DOI: 10.1080/10550887.2020.1828536. PMID: 33064059.

x. Johnson Pradeep. R, Maria L. Ekstrand, Sumithra Selvam, Elsa Heylen Prem K. Mony, Krishnamachari Srinivasan. Risk Factors for Severity of Depression in participants with Chronic Medical Conditions in rural Primary Health Care Settings in India. Journal of Affective Disorders Reports. 2021. Vol 3. ISSN 2666-9153. https://doi.org/10.1016/j.jadr.2020.100071

xi. Johnson Pradeep Ruben, Vanila Paul, Abiya Vinnarasi Nicholas, Harshad Devarbhavi, Mallikarjun Patil, Sumithra Selvam & Ashok Mysore. V (2021): Nurse-conducted Brief Intervention for Alcohol Use Disorders in a Medical In-patient Setting in India - A Feasibility Study, Alcoholism Treatment Quarterly,39:3, 393-406,DOI: 10.1080/07347324.2021.1901633

xii. Johnson PR, Britto C, Sudevan KJ, Bosco A, Sreedaran P, Ashok MV. Resilience in Wives of persons with Alcoholism: An Indian exploration. Indian J Psychiatry 2018; 60:84-9. PMCID: PMC5914269. PMID: 29736068. doi: 10.4103/psychiatry.IndianJPsychiatry_271_14

xiii. Hegde D, Sreedaran P, Pradeep J. Challenges in taking sexual history: A qualitative study of Indian postgraduate psychiatry trainees. Indian journal of psychological medicine. 2018Aug;40(4):35663https://journals.sagepub.com/doi/pdf/10.4103/IJPSYM.IJPSYM_64_18

xiv. Mathew B, Srinivasan K, Pradeep J, Thomas T, Murthy SK, Mandal AK. Downregulation of apolipoprotein A-IV in plasma & impaired reverse cholesterol transport in individuals with recent acts of deliberate self-harm. The Indian Journal of Medical Research. 2019 Oct;150(4):365. PMCID: PMC6902365. PMID: 31823918. doi: 10.4103/ijmr.IJMR_1842_17

xv. Mathew B, Srinivasan K, Johnson P, Thomas T, Mandal AK. Elevated levels of glutathionyl haemoglobin as an oxidative stress marker in patients with major depressive disorder. The Indian J Med Res. 2019 Apr; 149(4): 497–502. PMCID: PMC6676840. PMID: 31411173. doi: 10.4103/ijmr.IJMR_586_17

xvi. Mathew SS, Goud RB, Pradeep J. Intimate partner violence among ever-married women treated for depression at a rural health center in Bengaluru Urban District. Indian J Community Med. 2019 Oct; 44(Suppl 1): S70–S73. PMCID: PMC6824182. PMID: 31728096. doi: 10.4103/ijcm.IJCM_72_19

xvii. Johnson Pradeep, Sarthak Sahu, Sumithra Selvam, Vijaya Raman, Ashok M.V. Soluble Transferrin Receptor and SFI Index – A New Biomarker to Identify Iron Deficiency In Drug Naïve Children With Attention Deficit Hyperactivity Disorder – A Case-Control Study. J. Indian Assoc. Child Adolesc. Ment. Health 2020;16(4):64-81.Link: https://web.a.ebscohost.com/abstract?direct=true&profile=ehost&scope=site&authtype=crawler&jrnl=09731342&AN=146641543&h=%2fBEU0%2fOzPfIEIxVVqOTQGMvL8vl7lrqYFY17D%2bhNFa1WlJgck24s7Ixy5wo9ugcVM0vsTjN2LMgNOGfWdkvlzg%3d%3d&crl=c&resultNs=AdminWebAuth&resultLocal=ErrCrlNotAuth&crlhashurl=login.aspx%3fdirect%3dtrue%26profile%3dehost%26scope%3dsite%26authtype%3dcrawler%26jrnl%3d09731342%26AN%3d146641543.

xviii. Chandra M, Raveendranathan D, Johnson Pradeep R, Patra S, Rushi, Prasad K, S Brar J. Managing Depression in Diabetes Mellitus: A Multicentric Randomized Controlled Trial Comparing Effectiveness of Fluoxetine and Mindfulness in Primary Care: Protocol for DIAbetes Mellitus ANd Depression (DIAMAND) Study. Indian J Psychol Med. 2020;42(6S):31S–38S. http://doi.org/10.1177/0253717620971200.

xix. Sreedaran P, Jayasudha N, Selvam S, Ruben JP, Ashok MV. Do individuals follow up with mental health services after a suicide attempt? Findings from the assertive management of attempted suicide service, Bengaluru, India. Indian journal of psychiatry. 2020 Jan;62(1):30. 10.4103/psychiatry.IndianJPsychiatry_485_18

xx. Somani A, Chandran S, Satapathy A, Kumar A, Farooqui AM, Pradeep J, et al. Psychological distress during early phase of COVID-19 pandemic among Indian adults. Arch Ment Health 2020; 21:101-6. 10.4103/AMH.AMH_53_20

https://orcid.org/0000-0003-0758-1664

1. Brief Intervention in Gastroenterology

2. NMC and PG coordinator For the Department

Mobile Mental Health in Community-Based Organizations: A Stepped Care Approach to Women's Mental Health
Reducing intimate partner violence and hazardous alcohol use via behavioral couples counselling and motivational interviewing: a cluster randomized controlled trial
A study to measure the impact of an Innovative Re-Humanization Intervention in Patients with Severe Alcohol Use Disorders in the Indian Context (Re-Humanization Project)

Addiction Medicine
Alcohol dependence
Depression in underserved and underprivileged population
Brief Intervention
Tobacco Control