Full Text Journal Articles by
Author Nana Koram

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Worldwide post-marketing safety surveillance experience with tofacitinib in ulcerative colitis.

David T Rubin, Irene Modesto, Séverine Vermeire, Silvio Danese, Siew C Ng, Kenneth K Kwok, Nana Koram, Thomas V Jones,

<h4>Background</h4>Tofacitinib is an oral Janus kinase inhibitor for the treatment of ulcerative colitis (UC). Post-marketing surveillance (PMS) is an important part of monitoring adverse events (AEs).<h4>Aims</h4>To report an analysis of PMS case safety reports for tofacitinib in patients with UC METHODS: Worldwide tofacitinib PMS reports received in the Pfizer safety ... Read more >>

Aliment Pharmacol Ther (Alimentary pharmacology & therapeutics)
[2021, :]

Cited: 0 times

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Epidemiology, burden of disease, and unmet needs in the treatment of ulcerative colitis in Asia.

Shu-Chen Wei, Jose Sollano, Yee Tak Hui, Wei Yu, Paul V Santos Estrella, Lyndon John Q Llamado, Nana Koram,

<h4>Introduction</h4>Ulcerative colitis (UC) is an idiopathic, chronic inflammatory disease of the colon, characterized by relapsing and remitting symptoms. Although traditionally viewed as a Western disease, the incidence and prevalence of UC is increasing in developing regions, including Asian countries.<h4>Areas covered</h4>A PubMed search identified articles describing epidemiology, disease burden, patient demographics, ... Read more >>

Expert Rev Gastroenterol Hepatol (Expert review of gastroenterology & hepatology)
[2021, 15(3):275-289]

Cited: 1 time

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Letter: thromboembolic and cardiovascular events with tofacitinib in ulcerative colitis-two cases in real world clinical practice. Authors' reply.

William J Sandborn, Julian Panés, Bruce E Sands, Walter Reinisch, Chinyu Su, Nervin Lawendy, Nana Koram, Haiyun Fan, Thomas V Jones, Irene Modesto, Daniel Quirk, Silvio Danese,

Aliment Pharmacol Ther (Alimentary pharmacology & therapeutics)
[2020, 51(11):1209-1210]

Cited: 0 times

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Venous thromboembolic events in the tofacitinib ulcerative colitis clinical development programme.

William J Sandborn, Julian Panés, Bruce E Sands, Walter Reinisch, Chinyu Su, Nervin Lawendy, Nana Koram, Haiyun Fan, Thomas V Jones, Irene Modesto, Daniel Quirk, Silvio Danese,

<h4>Background</h4>Tofacitinib is an oral, small molecule JAK inhibitor for the treatment of ulcerative colitis (UC).<h4>Aim</h4>To report incidence of deep vein thrombosis (DVT) and pulmonary embolism (PE) in the tofacitinib UC programme.<h4>Methods</h4>DVT and PE were evaluated from one phase 2 and two phase 3 induction studies, one phase 3 maintenance study ... Read more >>

Aliment Pharmacol Ther (Alimentary pharmacology & therapeutics)
[2019, 50(10):1068-1076]

Cited: 29 times

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Validation studies of claims data in the Asia-Pacific region: A comprehensive review.

Nana Koram, Megan Delgado, James H Stark, Soko Setoguchi, Cynthia de Luise,

<h4>Purpose</h4>To describe published validation studies of administrative health care claims data in the Asia-Pacific region.<h4>Methods</h4>A comprehensive literature search was conducted in PubMed for English language articles published through 31-Oct-2017 in humans from 10 Asian-Pacific countries or regions (Japan, Australia, New Zealand, China, Hong Kong, India, Singapore, South Korea, Taiwan, and ... Read more >>

Pharmacoepidemiol Drug Saf (Pharmacoepidemiology and drug safety)
[2019, 28(2):156-170]

Cited: 6 times

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Prenatal exposure to zidovudine and risk for ventricular septal defects and congenital heart defects: data from the Antiretroviral Pregnancy Registry.

Vani Vannappagari, Jessica D Albano, Nana Koram, Hugh Tilson, Angela E Scheuerle, Melanie D Napier,

<h4>Objective</h4>To assess the risk for ventricular septal defects and congenital heart defects following zidovudine exposure during pregnancy using data from the Antiretroviral Pregnancy Registry.<h4>Study design</h4>Data on 16,304 prospectively reported pregnancies were analyzed to estimate the frequency and risk of ventricular septal defects and congenital heart defects, comparing exposure between zidovudine-containing ... Read more >>

Eur J Obstet Gynecol Reprod Biol (European journal of obstetrics, gynecology, and reproductive biology)
[2016, 197:6-10]

Cited: 6 times

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Abacavir and lamivudine exposures during pregnancy and non-defect adverse pregnancy outcomes: data from the antiretroviral pregnancy registry.

Vani Vannappagari, Nana Koram, Jessica Albano, Hugh Tilson, Conway Gee,

<h4>Background</h4>The antiretroviral (ARV) pregnancy registry, an international voluntary registry, provides information on teratogenicity and non-defect adverse pregnancy outcomes.<h4>Methods</h4>We analyzed ARV pregnancy registry prospective singleton pregnancies, estimating frequencies of and risk for nondefect adverse outcomes among HIV-infected women. Prenatal exposures to abacavir (ABC)-containing regimens vs. non-ABC ARV regimens, and lamivudine (3TC)-containing ... Read more >>

J Acquir Immune Defic Syndr (Journal of acquired immune deficiency syndromes (1999))
[2015, 68(3):359-364]

Cited: 2 times

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Role of sexual transmission of HIV among young noninjection and injection opiate users: a respondent-driven sampling study.

Jian Li, Hongjie Liu, Jianhua Li, Jian Luo, Don Des Jarlais, Nana Koram,

<h4>Background</h4>Sexual transmissibility of HIV among young drug users in China has been investigated in few studies. The objective of this study was to examine the role of sexual transmission on HIV infection among injection drug users (IDUs) and noninjection drug users (NIDUs).<h4>Methods</h4>Respondent-driven sampling (RDS) was used to recruit 426 young ... Read more >>

Sex Transm Dis (Sexually transmitted diseases)
[2011, 38(12):1161-1166]

Cited: 18 times

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Role of social network dimensions in the transition to injection drug use: actions speak louder than words.

Nana Koram, Hongjie Liu, Jianhua Li, Jian Li, Jian Luo, Jennifer Nield,

The objective of this study was to examine the influences of social network factors, particularly social support and norms, in the transition from non-injection heroin and/or opiate use to heroin-injection, which is one of the leading causes of the spread of HIV/AIDS in China. Respondent-driven sampling was used to recruit ... Read more >>

AIDS Behav (AIDS and behavior)
[2011, 15(7):1579-1588]

Cited: 22 times

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Sexual transmissibility of HIV among opiate users with concurrent sexual partnerships: an egocentric network study in Yunnan, China.

Jian Li, Hongjie Liu, Jianhua Li, Jian Luo, Nana Koram, Roger Detels,

<h4>Aims</h4>To investigate the patterns of concurrent sexual partnerships among young opiate users and sexual transmissibility of human immunodeficiency virus (HIV) in concurrent sexual partnerships in drug-use and sexual networks.<h4>Design</h4>Cross-sectional design.<h4>Participants</h4>A total of 426 young opiate users in Yunnan, China.<h4>Setting</h4>Young opiate users recruited from their network ties.<h4>Measurement</h4>Respondent-driven sampling (RDS) was used ... Read more >>

Addiction (Addiction (Abingdon, England))
[2011, 106(10):1780-7; discussion 1788-9]

Cited: 16 times

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Nonfoodborne Vibrio infections: an important cause of morbidity and mortality in the United States, 1997-2006.

Amy M Dechet, Patricia A Yu, Nana Koram, John Painter,

<h4>Background</h4>Infections due to Vibrio species cause an estimated 8000 illnesses annually, often through consumption of undercooked seafood. Like foodborne Vibrio infections, nonfoodborne Vibrio infections (NFVI) also result in serious illness, but awareness of these infections is limited.<h4>Methods</h4>We analyzed illnesses occuring during the period 1997-2006 that were reported to the Centers ... Read more >>

Clin Infect Dis (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America)
[2008, 46(7):970-976]

Cited: 73 times

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