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Dr. Uchenna Catherine Okonkwo


Internal Medicine


Senior Lecturer


[email protected]

About Dr. Uchenna Catherine Okonkwo

Dr. Uchenna C. Okonkwo joined the University of Calabar as Lecturer I in 2011. She was promoted to the rank of Senior Lecturer in the Department of Internal Medicine in 2014. Uchenna graduated from Nnamdi Azikiwe University, Awka in 1998. She is a Fellow of the West African College of Physicians (2009) and National Post-Graduate Medical College of Nigeria (2010). Dr Okonkwo is presently a Chief Consultant with the University of Calabar Teaching Hospital. She specializes in Gastroenterology/Hepatology/Gastro-intestinal Endoscopy and has been heading the Gastroenterology Unit since its inception in 2012. She is involved in the training of Undergraduate Medical Students and Post-graduate Resident Doctors in General Medicine, Gastroenterology and Hepatology. Dr Uchenna has supervised/cosupervised several Post-Graduate Dissertations in Gastroenterology and Hepatology. She has served as the Faculty of Medicine Representative to Faculty of Library Sciences (2014-2015) and is presently serving as Chairman, Departmental Welfare Committee. Dr Uchenna is a beneficiary of the 2014 University of Calabar Institutional-based Tertiary Education Trust Fund grant. She also received grant from Micronova Pharmaceutical Company for drug trials in 2014. Dr Uchenna is currently serving Nigerian Journal of Clinical Practice, Nigerian Journal of Gastroenterology and Hepatology, among others as reviewer. She is an examiner for the West African College of Physicians (2017-date). Dr Uchenna has published many articles in both local and international peer-review Journals. She has also attended several local and international conferences. She is presently supervising over three graduate students.

S/N Qualification School Atttended Started Finished

S/N Publication
Ahaneku G, Nwosu MN, Okonkwo UC (2010). Helicobacter pylori carriage among adult Nigerian subjects without dyspeptic symptoms. Tropical Journal of Medical Research; 14 (1): 4 – 6.
Okocha E., Odenigbo U, Okonkwo U.C. (2011). Haematological parameters in association with outcomes in sickle cell anemia patients.   Indian Journal of Medical sciences; 65 (9): 393-398.
Okonkwo UC,Onyekwere CA, Nwosu MN, Oguejiofor OC, Odenigbo CU, Nwankwo HM (2013). Diagnosing Irritable bowel syndrome in a student population; A comparison of the World Gastroenterology Questionnaire and the Rome III criteria.  Mary Slessor Journal of Medicine, 2013; 12(1): 64-70
Okonkwo UC, Oguejiofor OC, Odenigbo CU, Odenigbo UM, Oguanobi NI (2013). Diet, alcohol consumption and serum lipid levels of elderly men and women of Ibo extraction in Delta state, Nigeria. Orient journal of Medicine 2013; 25 (1-2): 1 – 7.
Okonkwo U.C, Nwosu M., Bojuwoye B (2011). The predictive values of the MELD and Child-Pugh’s scores in determining mortality from chronic liver disease patients in Anambra state, Nigeria. The Internet journal of Gastroenterology;10 (2): ISSN1528-8323.
JD Yang, A Gyedu, MY Afihene, BM Duduyemi, E Micah, TP Kingham, Okonkwo UC...To the Editor: Hepatocellular carcinoma (HCC) is highly endemic in Africa (1). There is a general anecdotal consensus that persons with HCC induced by viral hepa-titis or other causes in Africa present at younger age. Gastroenterology, 2015.
Okocha E., Okonkwo U.C,Oguejiofor O., Odenigbo U (2011). Prevalence of Antibodies to Hepatitis C virus in Blood Donors in Nnewi, South-Eastern Nigeria; In association with blood groups.  The Internet journal of Gastroenterology;10 (2)
Ngim OE, Okonkwo U.C, Ada MK. Pioneering video colonoscopy in South-south, Nigeria. A six-month prospective review (2014).  IOSR Journal of Dental and Medical Sciences; 13(1): 24-27. 
JD Yang, EN Okeke, MJ Duguru, M Afihene, B Duduyemi, EA Micah, .Okonkwo UC..-----Mo1510 Prognosis of Patients With Hepatocellular Carcinoma Is Extremely Poor in African Country. Gastroenterology 150 (4), S1135-S1136
Nwosu MN, Anyanwu SNC, Odike MAC, Okonkwo UC, Okpala OC, Nwosu MC (2010). Inflammatory bowel disease in two female Nigerians; Crohn’s disease and ulcerative colitis-A case report. Tropical Journal of Medical Research; 14 (1): 35 – 37.
UC Okonkwo, CA Onyekwere. Challenges in the management of chronic HBV infection inWest Africa: The clinician’s perspective Tropical doctor, 2014.  0049475514561822
Ngim OE, Okonkwo UC, Kooffreh-Ada M, Marwa A, Ukpabio I, Ndoma-egba R (2017). A Two Year Review of Upper Gastrointestinal Endoscopy in Calabar, Nigeria. IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) ; 16 (5): 31-34.
Okocha EC, Oguejiofor OC,Odenigbo CU,  Okonkwo UC, Asomugha L (2012).  Prevalence of hepatitis B surface antigen seropositivity among HIV-infected and non-infected individuals in Nnewi, Nigeria.Nigerian  Medical  Journal; 53(4): 249-253.
Okonkwo UC, Bello R, Ngim OE, Nwagbara V (2016). Characteristics of Hepatocellular Carcinoma in Two Tertiary Hospitals in Nigeria - Has anything Changed?  International Journal of Sciences: DOI: 10.18483/ijSci.1144;
Ladep N., Malu A., Okeke E., Ugiagbe R., Okonkwo U.C (2009). Early Virologic Response to pegylated interferon in chronic hepatitis B infection-Case report. Nigerian Journal of Medicine; 18 (3): 332-333.
Okonkwo U.C., Nwosu M., Okpala O., Ahaneku J (2010). The relationship between alpha-fetoprotein and etiological factors in patients with Hepatocellular carcinoma in Nnewi. Nigerian Journal of Gastroenterology and HepatologyNigerian ; 2(1):13-19
Okonkwo UC, Umoh IO, Henshaw E, Victor A.Prevalence of dyspeptic symptoms among patients on low‑dose antiplatelettherapy. Nig J Cardiol2017;14:92-6.
Okocha E, Onwubuya E, Osuji C, Ahaneku G, Okonkwo U,  Ibeh N.  Aneke J, NwachukwuE,  Onah C (2015). Disease Severity Scores and Haemogram Parameters in Nigerian Sickle Cell Disease Patients. Journal of Blood Disorders and Transfusion; 6:324. doi:10.4172/2155-9864.1000324
Okonkwo UC, Okpara H, Otu A, Ameh S, Ogarekpe Y, Osim H, Inyama M (2017). Prevalence of hepatitis B, hepatitis C and human immunodeficiency viruses, and evaluation of risk factors for transmission: Report of a population screening in Nigeria);  South African Medical Journal;;107(4):346-351.
Okonkwo UC, Nwosu MN, Nnadozie OJ, Mamah V, Nsoedo CW (2011). Is liver function tests of any diagnostic relevance in patients presenting with Hepatocellular carcinoma?  Orient journal of Medicine; 23(1-4): 17-23.
Okonkwo UC, Ngim OE, Osim H, Inyama M, Kooffreh-Ada M, Esu E, Ndoma-Egba R, Ezedinachi E (2017).  Knowledge of hepatitis B virus infection among traders; Nigerian Journal of Clinical Practice; 20(4): 415-420.
Nwosu MN, Okonkwo UC, Ahaneku G (2010). Prevalence of H. pylori infection among symptomatic subjects with dyspepsia at Nnewi. Tropical Journal of Medical Research; 14 (2): 38 – 41.
Okocha EC,  Onwubuya EI,  Osuji CU, Ahaneku G, Okonkwo UC, Ibeh N C, Aneke J C, Nwachukwu PE, Onah C. Serum ferritin and severity scores in sickle cell disease patients in Nnewi (South East Nigeria) 2016. British Journal of Medicine and Medical Research; 11(2): 1-7.
Yang JD,  Mohamed EA, Abdel Aziz AO,  Shousha HI, Hashem MB, Nabeel MM,, Abdelmaksoud AH,  Elbaz TM, Afihene MY, Duduyemi BM, Ayawin JP, Gyedu A, Lohouès-Kouacou MJ, NdjitoyapNdam AW, Moustafa EF, Hassany SM, Moussa AM, Ugiagbe RA, Omuemu CE,  Anthony R, Palmer D, Nyanga AF, Malu AO, Obekpa S,  Abdo AE, Siddig AI, Mudawi MY, Okonkwo UC et al (2017); Characteristics, management, and outcomes of patients with hepatocellular carcinoma in Africa: a multi-country observational study; Lancet GastroenterolHepatol; 2: 103–11.
Okonkwo UC, Aluka A, Ezedinachi E. Effects of Silymarin on Treatment Naive Patients withChronic Hepatitis B Infection-A Randomized Controlled Trial. Journal of Infectious Diseases and Therapy 2014
Okonkwo UC, SoterAmeh, Akaninyene Otu, Henry Okpara (2017) HIV-related knowledge, attitude and practices of healthy adults in Cross River State Nigeria: a population based-survey.  The Pan African Medical Journal. 2017;27:170. doi:10.11604/pamj.2017.27.170.12082
Alatise OI, Otegbayo IA, Nwosu MN, Lawal OO, Ola SO, Anyanwu SNC, Ndububa DA, Akere A, Odike MAC, Agbakwuru EA, Soyemi OM, Okonkwo UC (2012).  Characteristics of inflammatory bowel disease in Nigerian patients. West African journal of Medicine; 31 (1): 28 - 33
Kooffreh-Ada M, Okpara H, Oku A, Okonkwo U, Ihekwaba A (2015). Risk factors of chronic liver disease amongst patients receiving care in a Gastroenterology practice in Calabar. IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) ;  14 (12):6-13.
Okonkwo UC,Nwosu MN, Ukah C, Okpala OC, Ahaneku JI (2011). The clinical and pathological features of hepatocellular carcinoma in Nnewi, Nigeria.Nigerian Journal of Medicine; 20(3): 366-371.
Okonkwo U.C, Ansa V, Umoh I, Adimekwe A (2013).  Pulmonary tuberculosis presenting as spontaneous pneumothorax in a young Nigerian-A case report.  African journal of respiratory medicine ; 8(2): 24-25.

warning No Result For Grants Received.

S/N Conference Description Started Finished
Workshop on imaging in GastroenterologyWorkshop on imaging in Gastroenterology, Port Harcourt, Nigeria- 19th November, 2007.2007-11-192007-11-19
World Congress of Gastroenterology.World Congress of Gastroenterology, ExCel, London, United kingdom- 21st-25th November, 2009.2009-11-212009-11-25
Doctors as Educators WorkshopDoctors as educators workshop organized by the Royal College of Physicians and West African college of physicians, Ibadan, Nigeria- 14th-17th April, 2010.2010-04-142010-04-17
Current Medical Clinical Practice Research, Grant Proposal –manship, the UCTH malaria experience-lecture seriesCurrent Medical Clinical Practice Research, Grant Proposal –manship, the UCTH malaria experience-lecture series, Faculty of Clinical Sciences, University of Calabar, Nigeria-27th March, 2013.2013-03-272013-03-27
Asian Pacific Association liver week.Asian Pacific Association liver week, Suntec, Singapore. 6th -10th June, 2013.2013-06-062013-06-10
7th Scientific Conference and Annual General meeting of the Society for Gastroenterology and Hepatology.7th Scientific Conference and Annual General meeting of the Society for Gastroenterology and Hepatology in Nigeria, Enugu, Nigeria. 19th – 20th June, 2014.2014-06-192014-06-20