User profiles for Apostolos Koffas

Apostolos Koffas

Barts Liver Centre, Centre for Immunobiology, Blizard Institute, Barts and the London School …
Verified email at qmul.ac.uk
Cited by 518

[HTML][HTML] Diagnostic work-up and advancement in the diagnosis of gastroenteropancreatic neuroendocrine neoplasms

A Koffas, A Giakoustidis, A Papaefthymiou… - Frontiers in …, 2023 - frontiersin.org
Neuroendocrine neoplasms (NENs) are a heterogeneous group of neoplasms ranging from
well-differentiated, slowly growing tumors to poorly differentiated carcinomas. These tumors …

Updates in the diagnosis and management of small-bowel tumors

E Vlachou, A Koffas, C Toumpanakis… - Best Practice & Research …, 2023 - Elsevier
Small-bowel tumors represent a rare entity comprising 0.6% of all new cancer cases in the
US, and only 3% of all gastrointestinal neoplasms. They are a heterogenous group of …

[HTML][HTML] Utility of novel viral and immune markers in predicting HBV treatment endpoints: A systematic review of treatment discontinuation studies

G Zeng, A Koffas, LY Mak, US Gill, PTF Kennedy - JHEP Reports, 2023 - Elsevier
Background & Aims Antivirals represent the mainstay of chronic hepatitis B treatment given
their efficacy and tolerability, but rates of functional cure remain low during long-term therapy. …

Chronic hepatitis B: the demise of the 'inactive carrier'phase

A Koffas, M Kumar, US Gill, A Jindal… - Hepatology …, 2021 - Springer
Chronic hepatitis B (CHB) remains a global healthcare burden. Although the recent developments
in the field have led to a reduction in incidence, the morbidity and mortality including …

Reasons to consider early treatment in chronic hepatitis B patients

A Koffas, J Petersen, PT Kennedy - Antiviral research, 2020 - Elsevier
In spite of a decrease in the prevalence and incidence seen in recent years, chronic hepatitis
B (CHB) still remains a major healthcare challenge, prevalent mostly in developing but also …

[HTML][HTML] Hepatitis B virus reactivation in patients treated with immunosuppressive drugs: a practical guide for clinicians

A Koffas, GE Dolman, PTF Kennedy - Clinical Medicine, 2018 - ncbi.nlm.nih.gov
Hepatitis B virus reactivation (HBVr) is emerging as an important clinical entity, with the
advent of highly potent immunosuppression licensed for use as the treatment of a widening …

Diagnostic and management challenges in vasoactive intestinal peptide secreting tumors: a series of 15 patients

A Angelousi, A Koffas, S Grozinsky-Glasberg… - Pancreas, 2019 - journals.lww.com
Objectives Vasoactive intestinal peptide–secreting tumors (VIPomas) are rare functioning
neuroendocrine tumors often characterized by a difficult-to-control secretory syndrome and …

MacroH2A1 isoforms are associated with epigenetic markers for activation of lipogenic genes in fat‐induced steatosis

C Podrini, A Koffas, S Chokshi… - The FASEB …, 2015 - Wiley Online Library
The importance of epigenetic changes in the development of hepatic steatosis is largely
unknown. The histone variant macroH2A1 under alternative splicing gives rise to macroH2A1.1 …

[HTML][HTML] Colon capsule endoscopy in the diagnosis of colon polyps: who needs a colonoscopy?

A Koffas, A Papaefthymiou, FM Laskaratos… - Diagnostics, 2022 - mdpi.com
Colon screening programs have reduced colon cancer mortality. Population screening should
be minimally invasive, safe, acceptably sensitive, cost-effective, and scalable. The range …

State of the art in endoscopic therapy for the management of gastroenteropancreatic neuroendocrine tumors

A Papaefthymiou, FM Laskaratos, A Koffas… - … Treatment Options in …, 2022 - Springer
Opinion statement Gastroenteropancreatic neuroendocrine neoplasms (GEP NENs) comprise
a heterogeneous group of slow growing tumors arising from the neuroendocrine cells of …