Konstantinos Papamichael

Affiliations

Harvard Medical School, Boston, Massachusetts, USA.
Division of Gastroenterology, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA.

Publications (49)

Humoral Immune Response to

Open forum infectious diseases

Avec: Carolyn D Alonso , Rebecca Sprague , Caitlin Barrett , Anne J Gonzales-Luna , Kaitlyn Daugherty , Kevin W Garey , Javier Villafuerte-Gálvez , Hua Xu , Qianyun Lin , Lamei Wang , Xinhua Chen , Nira R Pollock , Ciarán P Kelly

Proactive infliximab optimisation using a pharmacokinetic dashboard versus standard of care in patients with Crohn's disease: study protocol for a randomised, controlled, multicentre, open-label study (the OPTIMIZE trial).

BMJ open

Avec: Vipul Jairath , Guangyong Zou , Benjamin Cohen , Timothy Ritter , Bruce Sands , Corey Siegel , John Valentine , Michelle Smith , Niels Vande Casteele , Marla Dubinsky , Adam Cheifetz

Therapeutic Drug Monitoring of Biologics in Crohn's Disease.

Gastroenterology clinics of North America

Avec: Laurie B Grossberg , Adam S Cheifetz ,

A Systematic Review on the Interest of Drug-tolerant Assay in the Monitoring of Inflammatory Bowel Disease.

Journal of Crohn's & colitis

Avec: Mathilde Barrau , Manon Duprat , Pauline Veyrard , Quentin Tournier , Nicolas Williet , Jean Marc Phelip , Louis Waeckel , Adam S Cheifetz , Xavier Roblin , Stephane Paul

Higher Postinduction Infliximab Concentrations Are Associated With Favorable Clinical Outcomes in Pediatric Crohn's Disease: A Post Hoc Analysis of the REACH Trial.

The American journal of gastroenterology

Avec: Adam S Cheifetz , Niels Vande Casteele , Zhongya Wang , Marla C Dubinsky ,

Development of Antibodies to Ustekinumab Is Associated with Loss of Response in Patients with Inflammatory Bowel Disease.

Journal of clinical medicine

Avec: Xavier Roblin , Gérard Duru , Adam S Cheifetz , Sandy Kwiatek , Anne-Emmanuelle Berger , Mathilde Barrau , Louis Waeckel , Stephane Nancey , Stephane Paul

Laxative Use Does Not Preclude Diagnosis or Reduce Disease Severity in Clostridiodes difficile Infection.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Avec: Nicole C White , Rafael Mendo-Lopez , Christine A Cuddemi , Caitlin Barrett , Kaitlyn Daugherty , Nira Pollock , Ciaran P Kelly , Carolyn D Alonso

Presence of pseudopolyps in ulcerative colitis is associated with a higher risk for treatment escalation.

Annals of gastroenterology

Avec: Dimitrios S Politis , Konstantinos H Katsanos , Ioannis Koulouridis , Despoina Mavromati , Epameinondas V Tsianos , Dimitrios K Christodoulou

Appropriate Therapeutic Drug Monitoring of Biologic Agents for Patients With Inflammatory Bowel Diseases.

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

Avec: Adam S Cheifetz , Gil Y Melmed , Peter M Irving , Niels Vande Casteele , Patricia L Kozuch , Laura E Raffals , Leonard Baidoo , Brian Bressler , Shane M Devlin , Jennifer Jones , Gilaad G Kaplan , Miles P Sparrow , Fernando S Velayos , Thomas Ullman , Corey A Siegel

Infliximab in inflammatory bowel disease.

Therapeutic advances in chronic disease

Avec: Steve Lin , Matthew Moore , Garyfallia Papaioannou , Lindsey Sattler , Adam S Cheifetz

Therapeutic drug monitoring of biologics in inflammatory bowel disease: unmet needs and future perspectives.

The lancet. Gastroenterology & hepatology

Avec: Waqqas Afif , David Drobne , Marla C Dubinsky , Marc Ferrante , Peter M Irving , Nikolaos Kamperidis , Taku Kobayashi , Paulo G Kotze , Jo Lambert , Nurulamin M Noor , Xavier Roblin , Giulia Roda , Niels Vande Casteele , Andres J Yarur , Naila Arebi , Silvio Danese , Stephane Paul , William J Sandborn , Séverine Vermeire , Adam S Cheifetz , Laurent Peyrin-Biroulet , Auteur inconnu

Choosing the right biologic for complications of inflammatory bowel disease.

Expert review of gastroenterology & hepatology

Avec: Shana Rakowsky , Adam S Cheifetz

Best Practice for Therapeutic Drug Monitoring of Infliximab: Position Statement from the International Association of Therapeutic Drug Monitoring and Clinical Toxicology.

Therapeutic drug monitoring

Avec: Dahham Alsoud , Dirk Jan A R Moes , Zhigang Wang , Rani Soenen , Zohra Layegh , Murray Barclay , Tomoyuki Mizuno , Iris K Minichmayr , Ron J Keizer , Sebastian G Wicha , Gertjan Wolbink , Jo Lambert , Séverine Vermeire , Annick de Vries , Núria Padullés-Zamora , Erwin Dreesen

Proactive Therapeutic Drug Monitoring Is Associated With Increased Drug Persistence in Patients With Inflammatory Bowel Disease Treated With Intravenous Vedolizumab.

Inflammatory bowel diseases

Avec: Rachel Porth , Tina Deyhim , Samantha Zullow , Loren G Rabinowitz , Laurie B Grossberg , Xavier Roblin , Stephane Paul , Adam S Cheifetz ,

Post-inflammatory Polyp Burden as a Prognostic Marker of Disease-outcome in Patients with Inflammatory Bowel Disease.

Journal of Crohn's & colitis

Avec: Pierre Ellul , John Schembri , Andrea Vella Baldacchino , Tamas Molnár , Tamas Resal , Mariangela Allocca , Federica Furfaro , Arianna Dal Buono , Angeliki Theodoropoulou , Maria Fragaki , Emmanouela Tsoukali , Gerassimos J Mantzaris , Frank M Phillips , Shellie Radford , Gordon Moran , Haidee Gonzalez , Shaji Sebastian , Fotios Fousekis , Dimitrios Christodoulou , Ifat Snir , Zlata Lerner , Henit Yanai , Georgios Michalopoulos , Julia Tua , Liberato Camilleri , Kostas Papamichael , Konstantinos Karmiris , Konstantinos Katsanos

Pancreatic enzyme supplementation versus placebo for improvement of gastrointestinal symptoms in non-responsive celiac disease: A cross-over randomized controlled trial.

Frontiers in medicine

Avec: Shakira Yoosuf , Caitlin G Barrett , Sarah E Madoff , Satya Kurada , Joshua Hansen , Jocelyn A Silvester , Amelie Therrien , Prashant Singh , Melinda Dennis , Daniel A Leffler , Ciaran P Kelly

Challenges in Therapeutic Drug Monitoring: Optimizing Biological Treatments in Patients With Inflammatory Bowel Disease and Other Immune-Mediated Inflammatory Diseases.

Therapeutic drug monitoring

Avec: Gabriele Stocco , Ainhoa Ruiz Del Agua

Anti-infliximab antibodies and low infliximab levels correlate with drug discontinuation in pediatric inflammatory bowel disease.

Journal of pediatric gastroenterology and nutrition

Avec: Naamah Zitomersky , Lisa Chi , Enju Liu , Kurtis R Bray , Adam S Cheifetz , Scott B Snapper , Athos Bousvaros , Jocelyn A Silvester

Comparison of Assays for Therapeutic Monitoring of Infliximab and Adalimumab in Patients With Inflammatory Bowel Diseases.

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

Avec: William T Clarke , Niels Vande Casteele , Katharine A Germansky , Joseph D Feuerstein , Gil Y Melmed , Corey A Siegel , Peter M Irving , Adam S Cheifetz

Effect of Consent and Educational Adjuncts to Consent on Patient Perceptions About Colonoscopy.

Journal of clinical gastroenterology

Avec: David I Fudman , Lilach Roemi , Varun Rao , Kenneth R Falchuk , Daniel A Leffler , Joseph D Feuerstein

Proactive Vs Reactive Therapeutic Drug Monitoring of Infliximab in Crohn's Disease: A Cost-Effectiveness Analysis in a Simulated Cohort.

Inflammatory bowel diseases

Avec: Diana M Negoescu , Eva A Enns , Brooke Swanhorst , Bonnie Baumgartner , James P Campbell , Mark T Osterman , Adam S Cheifetz , Byron P Vaughn

L-Thyroxine induces thermotolerance in yeast.

Cell stress & chaperones

Avec: Basil Delitheos , Iordanis Mourouzis , Constantinos Pantos , Ekaterini Tiligada

Proactive Therapeutic Drug Monitoring of Adalimumab Is Associated With Better Long-term Outcomes Compared With Standard of Care in Patients With Inflammatory Bowel Disease.

Journal of Crohn's & colitis

Avec: Anna Juncadella , Danny Wong , Shana Rakowsky , Lindsey A Sattler , James P Campbell , Byron P Vaughn , Adam S Cheifetz

How, When, and for Whom Should We Perform Therapeutic Drug Monitoring?

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

Avec: Severine Vermeire , Erwin Dreesen , Marla C Dubinsky

Optimizing therapeutic drug monitoring in inflammatory bowel disease: a focus on therapeutic monoclonal antibodies.

Expert opinion on drug metabolism & toxicology

Avec: Adam S Cheifetz

Patients With Low Drug Levels or Antibodies to a Prior Anti-Tumor Necrosis Factor Are More Likely to Develop Antibodies to a Subsequent Anti-Tumor Necrosis Factor.

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

Avec: Niels Vande Casteele , Maria T Abreu , Sarah Flier , Florian Rieder , Mark S Silverberg , Reena Khanna , Lauren Okada , Lei Yang , Anjali Jain , Adam S Cheifetz

Higher Postinduction Infliximab Concentrations Are Associated With Improved Clinical Outcomes in Fistulizing Crohn's Disease: An ACCENT-II Post Hoc Analysis.

The American journal of gastroenterology

Avec: Niels Vande Casteele , Jenny Jeyarajah , Vipul Jairath , Mark T Osterman , Adam S Cheifetz

A primer on common supplements and dietary measures used by patients with inflammatory bowel disease.

Therapeutic advances in chronic disease

Avec: Hadi J Minhas , Adam S Cheifetz , Robert J Gianotti

Risankizumab Concentration but not IL-22 Levels are Associated With Clinical and Biochemical Remission in Patients With Crohn's Disease.

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

Avec: Xavier Roblin , Estelle Moschetti , Mathilde Barrau , Adam S Cheifetz , Stephane Paul

Higher Adalimumab Concentration is Associated with Complete Fistula Healing in Patients with Perianal Fistulizing Crohn's Disease.

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

Avec: Andrea Centritto , Lucas Guillo , Jessica Hier , Zachary Sherman , Adam S Cheifetz , Auteur inconnu

Higher serum infliximab concentrations following subcutaneous dosing are associated with deep remission in patients with inflammatory bowel disease.

Journal of Crohn's & colitis

Avec: Xavier Roblin , Stéphane Nancey , Gérard Duru , Mathurin Flamand , Sandy Kwiatek , Adam Cheifetz , Nicole Fabien , Mathilde Barrau , Stéphane Paul

Proactive Therapeutic Drug Monitoring of Ustekinumab Is Associated With Increased Drug Persistence in Patients With Inflammatory Bowel Disease.

Inflammatory bowel diseases

Avec: Rachel Porth , Tina Deyhim , Grace Geeganage , Brenden Smith , Samantha Zullow , Loren G Rabinowitz , Laurie B Grossberg , Adam S Cheifetz ,

Patients over Age 75 Are at Increased Risk of Emergency Department Visit and Hospitalization Following Colonoscopy.

Digestive diseases and sciences

Avec: Laurie B Grossberg , Daniel A Leffler , Mandeep S Sawhney , Joseph D Feuerstein

Etiology and Management of Lack or Loss of Response to Anti-Tumor Necrosis Factor Therapy in Patients With Inflammatory Bowel Disease.

Gastroenterology & hepatology

Avec: Sean Fine , Kostantinos Papamichael , Adam S Cheifetz

Clinical Impact of Corrections to Infliximab and Adalimumab Monitoring Results with the Homogeneous Mobility Shift Assay.

Journal of clinical medicine

Avec: Valerio J Thomas , Andrea Banty , William T Clarke , Katharine A Germansky , Sarah N Flier , Joseph D Feuerstein , Gil Y Melmed , Adam S Cheifetz

A Comprehensive Literature Review and Expert Consensus Statement on Therapeutic Drug Monitoring of Biologics in Inflammatory Bowel Disease.

The American journal of gastroenterology

Avec: Adam S Cheifetz , Maria T Abreu , Waqqas Afif , Raymond K Cross , Marla C Dubinsky , Edward V Loftus , Mark T Osterman , Ariana Saroufim , Corey A Siegel , Andres J Yarur , Gil Y Melmed ,

Drug Clearance in Patients with Inflammatory Bowel Disease Treated with Biologics.

Journal of clinical medicine

Avec: Tina Deyhim , Adam S Cheifetz ,

Patients With Inflammatory Bowel Diseases and Higher Visceral Adipose Tissue Burden May Benefit From Higher Infliximab Concentrations to Achieve Remission.

The American journal of gastroenterology

Avec: Andres J Yarur , Maria T Abreu , Parakkal Deepak , Poonam Beniwal-Patel , Byron Vaughn , Alexandra Bruss , Shaina Sekhri , Andrea Moosreiner , Phillip Gu , William Kennedy , Marla Dubinsky , Adam Cheifetz , Gil Y Melmed

Réseau de co-auteurs

Adam S Cheifetz 33 collaborations

Niels Vande Casteele 7 collaborations

Xavier Roblin 7 collaborations

Stephane Paul 6 collaborations

Laurie B Grossberg 5 collaborations

Gil Y Melmed 5 collaborations

Joseph D Feuerstein 5 collaborations

Mathilde Barrau 4 collaborations

Marla C Dubinsky 4 collaborations

Andres J Yarur 4 collaborations

Mark T Osterman 4 collaborations

Adam Cheifetz 3 collaborations

Konstantinos H Katsanos 3 collaborations

Dimitrios K Christodoulou 3 collaborations

Peter M Irving 3 collaborations

Corey A Siegel 3 collaborations

Tina Deyhim 3 collaborations

Daniel A Leffler 3 collaborations

James P Campbell 3 collaborations

Byron P Vaughn 3 collaborations

Maria T Abreu 3 collaborations

Carolyn D Alonso 2 collaborations

Caitlin Barrett 2 collaborations

Kaitlyn Daugherty 2 collaborations

Vipul Jairath 2 collaborations

Marla Dubinsky 2 collaborations

Louis Waeckel 2 collaborations

Gérard Duru 2 collaborations

Sandy Kwiatek 2 collaborations

Ciaran P Kelly 2 collaborations

Dimitrios S Politis 2 collaborations

Miles P Sparrow 2 collaborations

Garyfallia Papaioannou 2 collaborations

Waqqas Afif 2 collaborations

Jo Lambert 2 collaborations

Silvio Danese 2 collaborations

Séverine Vermeire 2 collaborations

Laurent Peyrin-Biroulet 2 collaborations

None None 2 collaborations

Shana Rakowsky 2 collaborations

Erwin Dreesen 2 collaborations

Rachel Porth 2 collaborations

Samantha Zullow 2 collaborations

Loren G Rabinowitz 2 collaborations

Jocelyn A Silvester 2 collaborations

William T Clarke 2 collaborations

Katharine A Germansky 2 collaborations

Raymond K Cross 2 collaborations

Rebecca Sprague 1 collaboration

Anne J Gonzales-Luna 1 collaboration

Kevin W Garey 1 collaboration

Javier Villafuerte-Gálvez 1 collaboration

Hua Xu 1 collaboration

Qianyun Lin 1 collaboration

Lamei Wang 1 collaboration

Xinhua Chen 1 collaboration

Nira R Pollock 1 collaboration

Ciarán P Kelly 1 collaboration

Guangyong Zou 1 collaboration

Benjamin Cohen 1 collaboration

Timothy Ritter 1 collaboration

Bruce Sands 1 collaboration

Corey Siegel 1 collaboration

John Valentine 1 collaboration

Michelle Smith 1 collaboration

Manon Duprat 1 collaboration

Pauline Veyrard 1 collaboration

Quentin Tournier 1 collaboration

Nicolas Williet 1 collaboration

Jean Marc Phelip 1 collaboration

Zhongya Wang 1 collaboration

Anne-Emmanuelle Berger 1 collaboration

Stephane Nancey 1 collaboration

Nicole C White 1 collaboration

Rafael Mendo-Lopez 1 collaboration

Christine A Cuddemi 1 collaboration

Nira Pollock 1 collaboration

Ioannis Koulouridis 1 collaboration

Despoina Mavromati 1 collaboration

Epameinondas V Tsianos 1 collaboration

Patricia L Kozuch 1 collaboration

Laura E Raffals 1 collaboration

Leonard Baidoo 1 collaboration

Brian Bressler 1 collaboration

Shane M Devlin 1 collaboration

Jennifer Jones 1 collaboration

Gilaad G Kaplan 1 collaboration

Fernando S Velayos 1 collaboration

Thomas Ullman 1 collaboration

Steve Lin 1 collaboration

Matthew Moore 1 collaboration

Lindsey Sattler 1 collaboration

David Drobne 1 collaboration

Marc Ferrante 1 collaboration

Nikolaos Kamperidis 1 collaboration

Taku Kobayashi 1 collaboration

Paulo G Kotze 1 collaboration

Nurulamin M Noor 1 collaboration

Giulia Roda 1 collaboration

Naila Arebi 1 collaboration

William J Sandborn 1 collaboration

Dahham Alsoud 1 collaboration

Dirk Jan A R Moes 1 collaboration

Zhigang Wang 1 collaboration

Rani Soenen 1 collaboration

Zohra Layegh 1 collaboration

Murray Barclay 1 collaboration

Tomoyuki Mizuno 1 collaboration

Iris K Minichmayr 1 collaboration

Ron J Keizer 1 collaboration

Sebastian G Wicha 1 collaboration

Gertjan Wolbink 1 collaboration

Annick de Vries 1 collaboration

Núria Padullés-Zamora 1 collaboration

Pierre Ellul 1 collaboration

John Schembri 1 collaboration

Andrea Vella Baldacchino 1 collaboration

Tamas Molnár 1 collaboration

Tamas Resal 1 collaboration

Mariangela Allocca 1 collaboration

Federica Furfaro 1 collaboration

Arianna Dal Buono 1 collaboration

Angeliki Theodoropoulou 1 collaboration

Maria Fragaki 1 collaboration

Emmanouela Tsoukali 1 collaboration

Gerassimos J Mantzaris 1 collaboration

Frank M Phillips 1 collaboration

Shellie Radford 1 collaboration

Gordon Moran 1 collaboration

Haidee Gonzalez 1 collaboration

Shaji Sebastian 1 collaboration

Fotios Fousekis 1 collaboration

Dimitrios Christodoulou 1 collaboration

Ifat Snir 1 collaboration

Zlata Lerner 1 collaboration

Henit Yanai 1 collaboration

Georgios Michalopoulos 1 collaboration

Julia Tua 1 collaboration

Liberato Camilleri 1 collaboration

Kostas Papamichael 1 collaboration

Konstantinos Karmiris 1 collaboration

Konstantinos Katsanos 1 collaboration

Shakira Yoosuf 1 collaboration

Caitlin G Barrett 1 collaboration

Sarah E Madoff 1 collaboration

Satya Kurada 1 collaboration

Joshua Hansen 1 collaboration

Amelie Therrien 1 collaboration

Prashant Singh 1 collaboration

Melinda Dennis 1 collaboration

Gabriele Stocco 1 collaboration

Ainhoa Ruiz Del Agua 1 collaboration

Naamah Zitomersky 1 collaboration

Lisa Chi 1 collaboration

Enju Liu 1 collaboration

Kurtis R Bray 1 collaboration

Scott B Snapper 1 collaboration

Athos Bousvaros 1 collaboration

David I Fudman 1 collaboration

Lilach Roemi 1 collaboration

Varun Rao 1 collaboration

Kenneth R Falchuk 1 collaboration

Diana M Negoescu 1 collaboration

Eva A Enns 1 collaboration

Brooke Swanhorst 1 collaboration

Bonnie Baumgartner 1 collaboration

Basil Delitheos 1 collaboration

Iordanis Mourouzis 1 collaboration

Constantinos Pantos 1 collaboration

Ekaterini Tiligada 1 collaboration

Anna Juncadella 1 collaboration

Danny Wong 1 collaboration

Lindsey A Sattler 1 collaboration

Severine Vermeire 1 collaboration

Sarah Flier 1 collaboration

Florian Rieder 1 collaboration

Mark S Silverberg 1 collaboration

Reena Khanna 1 collaboration

Lauren Okada 1 collaboration

Lei Yang 1 collaboration

Anjali Jain 1 collaboration

Jenny Jeyarajah 1 collaboration

Hadi J Minhas 1 collaboration

Robert J Gianotti 1 collaboration

Estelle Moschetti 1 collaboration

Marcy A Cheifetz 1 collaboration

Steven C Lin 1 collaboration

Alex Goldowsky 1 collaboration

Alejandro Llanos-Chea 1 collaboration

Jason M Shapiro 1 collaboration

Rachel W Winter 1 collaboration

Logan Jerger 1 collaboration

Timothy Menz 1 collaboration

Meghan Gibson 1 collaboration

Alison M Friedmann 1 collaboration

Diana Treaba 1 collaboration

Sonia Friedman 1 collaboration

Matthew J Hamilton 1 collaboration

Harland S Winter 1 collaboration

Elliot Graziano 1 collaboration

Abhik Bhattacharya 1 collaboration

Jennifer Y Lee 1 collaboration

Katherine Gheysens 1 collaboration

Andrea Centritto 1 collaboration

Lucas Guillo 1 collaboration

Jessica Hier 1 collaboration

Zachary Sherman 1 collaboration

Stéphane Nancey 1 collaboration

Mathurin Flamand 1 collaboration

Nicole Fabien 1 collaboration

Stéphane Paul 1 collaboration

Grace Geeganage 1 collaboration

Brenden Smith 1 collaboration

Mandeep S Sawhney 1 collaboration

Sean Fine 1 collaboration

Kostantinos Papamichael 1 collaboration

Valerio J Thomas 1 collaboration

Andrea Banty 1 collaboration

Sarah N Flier 1 collaboration

Mark G Ward 1 collaboration

Pauline Riviere 1 collaboration

David Laharie 1 collaboration

Maria Saridi 1 collaboration

Eleni Albani 1 collaboration

Rodrigo Bremer Nones 1 collaboration

Phillip R Fleshner 1 collaboration

Natalia Sousa Freitas Queiroz 1 collaboration

Antonino Spinelli 1 collaboration

Paulo Gustavo Kotze 1 collaboration

Edward V Loftus 1 collaboration

Ariana Saroufim 1 collaboration

Parakkal Deepak 1 collaboration

Poonam Beniwal-Patel 1 collaboration

Byron Vaughn 1 collaboration

Alexandra Bruss 1 collaboration

Shaina Sekhri 1 collaboration

Andrea Moosreiner 1 collaboration

Phillip Gu 1 collaboration

William Kennedy 1 collaboration