Robert J Fontana Selected Research

Chronic Hepatitis B

1/2022	Incidence and prediction of HBsAg seroclearance in a prospective multi-ethnic HBeAg-negative chronic hepatitis B cohort.
11/2021	Hepatitis B e antigen loss in adults and children with chronic hepatitis B living in North America: A prospective cohort study.
1/2021	Low Incidence of Adverse Outcomes in Adults With Chronic Hepatitis B Virus Infection in the Era of Antiviral Therapy.
11/2019	Phase Transition Is Infrequent Among North American Adults With e-Antigen-Negative Chronic Hepatitis B and Low-Level Viremia.
1/2015	Outcomes of patients with chronic hepatitis B who do not meet criteria for antiviral treatment at presentation.
5/2009	Side effects of long-term oral antiviral therapy for hepatitis B.
5/2006	Management of drug-resistant chronic hepatitis B.
2/2006	Virologic response and resistance to adefovir in patients with chronic hepatitis B.
1/2003	Cytokine gene polymorphisms in chronic hepatitis B: a step up the immunology ladder.
9/2002	Determinants of early mortality in patients with decompensated chronic hepatitis B treated with antiviral therapy.

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Robert J Fontana Research Topics

Disease

47	Chemical and Drug Induced Liver Injury 04/2022 - 11/2007
45	Fibrosis (Cirrhosis) 01/2021 - 02/2002
33	Acute Liver Failure (Fulminant Hepatic Failure) 10/2022 - 12/2002
29	Chronic Hepatitis C 12/2019 - 02/2002
28	Hepatitis C 02/2022 - 09/2004
27	Infections 05/2022 - 05/2004
22	Liver Diseases (Liver Disease) 01/2022 - 05/2002
11	Neoplasms (Cancer) 01/2022 - 12/2002
11	Chronic Hepatitis B 01/2022 - 05/2002
11	Hepatitis B 01/2022 - 02/2003
10	Hepatocellular Carcinoma (Hepatoma) 05/2021 - 12/2002
10	Hepatitis 11/2018 - 12/2002
8	Jaundice (Icterus) 04/2022 - 08/2005
7	End Stage Liver Disease 04/2022 - 08/2005
7	Brain Diseases (Brain Disorder) 07/2017 - 10/2005
6	Cholestasis 09/2019 - 09/2012
5	Hemorrhage 01/2021 - 02/2008
4	Liver Cirrhosis (Hepatic Cirrhosis) 05/2021 - 03/2005
4	Liver Failure 08/2020 - 05/2002
4	Substance-Related Disorders (Drug Abuse) 01/2020 - 09/2013
4	Coma (Comas) 04/2016 - 09/2009
4	Renal Insufficiency (Renal Failure) 09/2012 - 02/2008
3	Poisoning 01/2022 - 11/2007
3	COVID-19 01/2022 - 01/2020
3	Viremia 11/2020 - 01/2006
3	Disease Progression 09/2019 - 10/2010
3	Portal Hypertension 05/2014 - 11/2002
3	Varicose Veins (Varicose Vein) 06/2010 - 12/2006
3	Iron Overload 12/2007 - 08/2005
2	Squamous Cell Carcinoma (Epidermoid Carcinoma) 01/2022 - 01/2021
2	Weight Loss (Weight Reduction) 01/2022 - 01/2016
2	Virus Diseases (Viral Diseases) 11/2021 - 06/2009
2	Hepatic Encephalopathy 01/2021 - 11/2007
2	Hypersensitivity (Allergy) 01/2021 - 01/2021
2	Autoimmune Hepatitis 11/2020 - 02/2011
2	Hepatitis A (Hepatitis, Infectious) 10/2020 - 12/2002
2	Liver Neoplasms (Liver Cancer) 08/2020 - 10/2010
2	Mental Disorders (Mental Disorder) 12/2019 - 09/2013
2	Hyperlipidemias (Hyperlipidemia) 11/2019 - 08/2014
2	Nausea 01/2018 - 09/2012
2	Vomiting 01/2018 - 09/2012
2	Thrombocytopenia (Thrombopenia) 10/2017 - 05/2006
2	Exanthema (Rash) 01/2017 - 01/2016
2	Gallbladder Diseases (Gall Bladder Disease) 10/2015 - 08/2015

Drug/Important Bio-Agent (IBA)

32	Antiviral Agents (Antivirals)IBA 01/2021 - 03/2002
24	Ribavirin (Virazole)FDA LinkGeneric 04/2018 - 02/2002
22	Pharmaceutical PreparationsIBA 01/2022 - 12/2002
20	Dyphylline (Diprophylline)FDA Link 01/2022 - 01/2009
17	Acetaminophen (Paracetamol)FDA LinkGeneric 05/2022 - 12/2002
9	RNA (Ribonucleic Acid)IBA 05/2019 - 02/2002
9	InterferonsIBA 01/2015 - 02/2002
7	Biomarkers (Surrogate Marker)IBA 01/2019 - 05/2006
6	Hepatitis B e AntigensIBA 01/2022 - 05/2004
6	SofosbuvirIBA 02/2017 - 01/2015
6	Lamivudine (Epivir)FDA Link 05/2009 - 05/2002
5	Hepatitis B Surface Antigens (HBsAg)FDA Link 01/2022 - 07/2010
5	IronIBA 01/2019 - 08/2005
5	CytokinesIBA 01/2019 - 01/2003
5	BilirubinIBA 10/2017 - 05/2006
4	Aspartate Aminotransferases (Aspartate Transaminase)IBA 08/2020 - 08/2003
4	DNA (Deoxyribonucleic Acid)IBA 11/2019 - 10/2008
4	Transaminases (Aminotransferases)IBA 01/2019 - 12/2008
4	Valproic Acid (Depakote)FDA LinkGeneric 01/2019 - 11/2007
4	Interferon-alpha (Interferon Alfa)IBA 01/2015 - 09/2002
4	Alkaline PhosphataseIBA 07/2014 - 08/2003
4	Immunoglobulins (Immunoglobulin)IBA 07/2010 - 02/2003
3	Phenytoin (Dilantin)FDA LinkGeneric 04/2022 - 11/2007
3	glecaprevir and pibrentasvirIBA 02/2022 - 12/2019
3	Immune Checkpoint InhibitorsIBA 01/2022 - 11/2020
3	TeaIBA 01/2022 - 01/2016
3	Immunoglobulin G (IgG)IBA 11/2020 - 11/2011
3	Immunoglobulin M (IgM)IBA 11/2020 - 11/2011
3	EnzymesIBA 10/2020 - 05/2014
3	SimeprevirIBA 02/2017 - 04/2014
3	AlbuminsIBA 01/2017 - 06/2010
3	daclatasvirIBA 05/2016 - 09/2012
3	Isoniazid (Ftivazide)FDA LinkGeneric 09/2015 - 11/2007
3	Alanine Transaminase (SGPT)IBA 07/2014 - 11/2002
3	Amoxicillin (Wymox)FDA LinkGeneric 07/2011 - 10/2005
3	Clavulanic Acid (Potassium Clavulanate)FDA LinkGeneric 07/2011 - 10/2005
3	NucleosidesIBA 07/2010 - 03/2007
3	peginterferon alfa-2a (Pegasys)FDA Link 11/2008 - 02/2005
2	Anticonvulsants (Antiepileptic Drugs)IBA 04/2022 - 01/2019
2	SodiumIBA 04/2022 - 11/2007
2	Messenger RNA (mRNA)IBA 01/2022 - 01/2021
2	VaccinesIBA 01/2021 - 05/2004
2	K-18 conjugate (K18)IBA 01/2019 - 08/2015
2	telaprevirIBA 04/2018 - 04/2014
2	Interferon alpha-2 (Roferon-A)FDA Link 04/2018 - 02/2002
2	Adrenal Cortex Hormones (Corticosteroids)IBA 01/2017 - 02/2011
2	Proteins (Proteins, Gene)FDA Link 04/2016 - 03/2006
2	Cytidine Triphosphate (CTP)IBA 04/2016 - 10/2010
2	NucleotidesIBA 09/2015 - 01/2015

Therapy/Procedure

62	Liver Transplantation 10/2022 - 05/2002
39	Therapeutics 01/2021 - 03/2002
7	Transplantation 01/2021 - 12/2002
3	Retreatment 05/2007 - 09/2004
2	Renal Replacement Therapy (Therapies, Renal Replacement) 01/2021 - 04/2016
2	Contraindications 01/2020 - 01/2019
2	Stents 10/2015 - 08/2015