Margaret Johnson

Author PubWeight™ 129.07‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Lopinavir-ritonavir versus nelfinavir for the initial treatment of HIV infection. N Engl J Med 2002 4.89
2 Impact of late diagnosis and treatment on life expectancy in people with HIV-1: UK Collaborative HIV Cohort (UK CHIC) Study. BMJ 2011 3.72
3 British HIV Association Guidelines for the treatment of HIV-1-infected adults with antiretroviral therapy 2008. HIV Med 2008 3.67
4 Efficacy and safety of TMC125 (etravirine) in treatment-experienced HIV-1-infected patients in DUET-2: 24-week results from a randomised, double-blind, placebo-controlled trial. Lancet 2007 3.40
5 Effect of adding a diagnostic aid to best practice to manage suspicious pigmented lesions in primary care: randomised controlled trial. BMJ 2012 2.66
6 Serious fatal and nonfatal non-AIDS-defining illnesses in Europe. J Acquir Immune Defic Syndr 2010 2.59
7 Rate of AIDS diseases or death in HIV-infected antiretroviral therapy-naive individuals with high CD4 cell count. AIDS 2007 2.47
8 Long term probability of detection of HIV-1 drug resistance after starting antiretroviral therapy in routine clinical practice. AIDS 2005 2.45
9 A randomized comparative trial of tenofovir DF or abacavir as replacement for a thymidine analogue in persons with lipoatrophy. AIDS 2006 2.35
10 Impact on life expectancy of HIV-1 positive individuals of CD4+ cell count and viral load response to antiretroviral therapy. AIDS 2014 2.27
11 British HIV Association guidelines for the treatment of HIV-1-positive adults with antiretroviral therapy 2012. HIV Med 2012 2.24
12 British HIV Association guidelines for the treatment of HIV-1-positive adults with antiretroviral therapy 2012 (Updated November 2013. All changed text is cast in yellow highlight.). HIV Med 2014 2.18
13 HIV-associated central nervous system diseases in the recent combination antiretroviral therapy era. Eur J Neurol 2010 2.06
14 Risk of extensive virological failure to the three original antiretroviral drug classes over long-term follow-up from the start of therapy in patients with HIV infection: an observational cohort study. Lancet 2007 2.06
15 Plasma HIV-1 RNA detection below 50 copies/ml and risk of virologic rebound in patients receiving highly active antiretroviral therapy. Clin Infect Dis 2012 1.76
16 When should antiretroviral therapy be started for HIV infection? Interpreting the evidence from observational studies. AIDS 2003 1.60
17 HIV status does not influence outcome in patients with classical Hodgkin lymphoma treated with chemotherapy using doxorubicin, bleomycin, vinblastine, and dacarbazine in the highly active antiretroviral therapy era. J Clin Oncol 2012 1.55
18 Seroprevalence of common vaccine-preventable viral infections in HIV-positive adults. J Infect 2010 1.49
19 Achieving compliance with the European Working Time Directive in a large teaching hospital: a strategic approach. Clin Med 2004 1.49
20 The changing pattern of bronchoscopy in an HIV-infected population. Chest 2002 1.42
21 Factors influencing efavirenz and nevirapine plasma concentration: effect of ethnicity, weight and co-medication. Antivir Ther 2008 1.41
22 Theoretical rationale for the use of sequential single-drug antiretroviral therapy for treatment of HIV infection. AIDS 2003 1.41
23 Iatrogenic effects of group treatment for antisocial youths. J Consult Clin Psychol 2005 1.41
24 Symptoms are highly prevalent among HIV outpatients and associated with poor adherence and unprotected sexual intercourse. Sex Transm Infect 2010 1.40
25 Suicidal ideation in UK HIV clinic attenders. AIDS 2008 1.31
26 Data linkage reduces loss to follow-up in an observational HIV cohort study. J Clin Epidemiol 2010 1.26
27 Survival following HIV infection of a cohort followed up from seroconversion in the UK. AIDS 2008 1.23
28 Low-frequency K103N strengthens the impact of transmitted drug resistance on virologic responses to first-line efavirenz or nevirapine-based highly active antiretroviral therapy. J Acquir Immune Defic Syndr 2009 1.23
29 Determinants of virological failure after successful viral load suppression in first-line highly active antiretroviral therapy. Antivir Ther 2008 1.21
30 Physical and psychological symptoms and risk of virologic rebound among patients with virologic suppression on antiretroviral therapy. J Acquir Immune Defic Syndr 2010 1.20
31 Long-term trends in adherence to antiretroviral therapy from start of HAART. AIDS 2010 1.17
32 Comparative evaluation of the ExaVir Load version 3 reverse transcriptase assay for measurement of human immunodeficiency virus type 1 plasma load. J Clin Microbiol 2009 1.15
33 Treatment switches after viral rebound in HIV-infected adults starting antiretroviral therapy: multicentre cohort study. AIDS 2008 1.11
34 The cost-effectiveness of early access to HIV services and starting cART in the UK 1996-2008. PLoS One 2011 1.09
35 Tuberculosis among people with HIV infection in the United Kingdom: opportunities for prevention? AIDS 2009 1.09
36 Are previous treatment interruptions associated with higher viral rebound rates in patients with viral suppression? AIDS 2008 1.07
37 CD4 counts and the risk of systemic non-Hodgkin's lymphoma in individuals with HIV in the UK. Haematologica 2009 1.07
38 Caring for women living with HIV: gaps in the evidence. J Int AIDS Soc 2013 1.07
39 Excellent immunological recovery following CODOX-M/IVAC, an effective intensive chemotherapy for HIV-associated Burkitt's lymphoma. AIDS 2010 1.05
40 Adherence to antiretroviral treatment in patients with HIV in the UK: a study of complexity. AIDS Care 2008 1.05
41 What factors are associated with patient self-reported health status among HIV outpatients? A multi-centre UK study of biomedical and psychosocial factors. AIDS Care 2012 1.04
42 Interruption or deferral of antiretroviral therapy reduces markers of bone turnover compared with continuous therapy: The SMART body composition substudy. J Bone Miner Res 2013 1.03
43 Early and prolonged antiretroviral therapy is associated with an HIV-1-specific T-cell profile comparable to that of long-term non-progressors. PLoS One 2011 1.02
44 Patients presenting with AIDS in the HAART era: a collaborative cohort analysis. AIDS 2008 1.02
45 Patient understanding of moles and skin cancer, and factors influencing presentation in primary care: a qualitative study. BMC Fam Pract 2010 1.00
46 Economic analysis of combined endoscopic and endobronchial ultrasound in the evaluation of patients with suspected non-small cell lung cancer. Lung Cancer 2009 0.99
47 Successive switching of antiretroviral therapy is associated with high psychological and physical burden. Int J STD AIDS 2007 0.98
48 Rising population cost for treating people living with HIV in the UK, 1997-2013. PLoS One 2010 0.96
49 The 'Antiretrovirals, Sexual Transmission Risk and Attitudes' (ASTRA) study. Design, methods and participant characteristics. PLoS One 2013 0.96
50 Comparative gender analysis of the efficacy and safety of atazanavir/ritonavir and lopinavir/ritonavir at 96 weeks in the CASTLE study. J Antimicrob Chemother 2010 0.96
51 Acetyl-l-carnitine: a pathogenesis based treatment for HIV-associated antiretroviral toxic neuropathy. AIDS 2004 0.96
52 Novel method for visualizing and modeling the spatial distribution of neural stem cells within intracranial glioma. Neuroimage 2007 0.96
53 Atazanavir plus ritonavir or saquinavir, and lopinavir/ritonavir in patients experiencing multiple virological failures. AIDS 2005 0.95
54 Plasma levels of cytokines and chemokines and the risk of mortality in HIV-infected individuals: a case-control analysis nested in a large clinical trial. AIDS 2015 0.95
55 Predictors and kinetics of occult hepatitis B virus infection in HIV-infected persons. J Med Virol 2007 0.95
56 CD4 cell count changes in individuals with counts above 500 cells/mm and viral loads below 50 copies/ml on antiretroviral therapy. AIDS 2002 0.94
57 Impaired antigen-specific CD4(+) T lymphocyte responses in cavitary tuberculosis. Tuberculosis (Edinb) 2008 0.94
58 Introduction to late presentation for HIV treatment in Europe. Antivir Ther 2010 0.94
59 Changes in outcome of persons initiating highly active antiretroviral therapy at a CD4 count less than 50 Cells/mm3. J Acquir Immune Defic Syndr 2008 0.93
60 Cost-effectiveness of early treatment with first-line NNRTI-based HAART regimens in the UK, 1996-2006. PLoS One 2011 0.93
61 Protocol for the MoleMate UK Trial: a randomised controlled trial of the MoleMate system in the management of pigmented skin lesions in primary care [ISRCTN 79932379]. BMC Fam Pract 2010 0.92
62 Report of a European Working Group on late presentation with HIV infection: recommendations and regional variation. Antivir Ther 2010 0.92
63 Pharmacokinetics, safety, and efficacy of tipranavir boosted with ritonavir alone or in combination with other boosted protease inhibitors as part of optimized combination antiretroviral therapy in highly treatment-experienced patients (BI Study 1182.51). J Acquir Immune Defic Syndr 2008 0.91
64 Increased duration of viral suppression is associated with lower viral rebound rates in patients with previous treatment failures. AIDS 2007 0.91
65 Survival outcomes and effect of early vs. deferred cART among HIV-infected patients diagnosed at the time of an AIDS-defining event: a cohort analysis. PLoS One 2011 0.91
66 Kaposi's sarcoma-associated herpesvirus cytotoxic T lymphocytes recognize and target Darwinian positively selected autologous K1 epitopes. J Virol 2003 0.90
67 Mitochondrial fatty acid beta-oxidation in the retinal pigment epithelium. Pediatr Res 2002 0.90
68 Short communication: Comparable safety and efficacy with once-daily versus twice-daily dosing of lopinavir/ritonavir tablets with emtricitabine + tenofovir DF in antiretroviral-naïve, HIV type 1-infected subjects: 96 week final results of the randomized trial M05-730. AIDS Res Hum Retroviruses 2010 0.88
69 Laboratory adverse events and discontinuation of therapy according to CD4(+) cell count at the start of antiretroviral therapy. AIDS 2014 0.87
70 Intracellular and plasma pharmacokinetics of nelfinavir and M8 in HIV-infected patients: relationship with P-glycoprotein expression. Antivir Ther 2004 0.87
71 Responses to switching to maraviroc-based antiretroviral therapy in treated patients with suppressed plasma HIV-1-RNA load. Intervirology 2012 0.87
72 Clinical and behavioural aspects of aging with HIV infection. Psychol Health Med 2009 0.87
73 Minimal cognitive impairment in UK HIV-positive men who have sex with men: effect of case definitions and comparison with the general population and HIV-negative men. J Acquir Immune Defic Syndr 2014 0.87
74 Behavioral surveillance study: sexual risk taking behaviour in UK HIV outpatient attendees. AIDS Behav 2012 0.86
75 The impact of HIV drug resistance testing on changes to treatment. AIDS 2011 0.84
76 Maintaining cost-effective access to antiretroviral drug therapy through a collaborative approach to drug procurement, consensus treatment guidelines and regular audit: the experience of London HIV commissioners and providers. Sex Transm Infect 2012 0.83
77 Failure to achieve a CD4+ cell count response on combination antiretroviral therapy despite consistent viral load suppression. AIDS 2014 0.82
78 Prioritizing CD4 count monitoring in response to ART in resource-constrained settings: a retrospective application of prediction-based classification. PLoS Med 2012 0.82
79 Higher risk of renal impairment associated with tenofovir use amongst people living with HIV in India: a comparative cohort analysis between Western India and United Kingdom. BMC Infect Dis 2014 0.82
80 Liquid chromatographic-electrospray mass spectrometric determination of 1-methyl-4-phenylpyridine (MPP+) in discrete regions of murine brain. Toxicol Mech Methods 2010 0.82
81 Diagnostic analysis of veterinary dried blood spots for toxic heavy metals exposure. J Anal Toxicol 2013 0.81
82 Virological response to initial antiretroviral regimens containing abacavir or tenofovir. J Infect Dis 2009 0.81
83 Effects of age on antiretroviral plasma drug concentration in HIV-infected subjects undergoing routine therapeutic drug monitoring. J Antimicrob Chemother 2013 0.81
84 An open-label, randomized comparative pilot study of a single-class quadruple therapy regimen versus a 2-class triple therapy regimen for individuals initiating antiretroviral therapy. Antivir Ther 2006 0.81
85 Outcomes in the first year after initiation of first-line HAART among heterosexual men and women in the UK CHIC Study. Antivir Ther 2011 0.81
86 Introduction: promoting concept driven teaching strategies in biochemistry and molecular biology. Biochem Mol Biol Educ 2013 0.81
87 Coronary artery disease and HIV; getting to the HAART of the matter. Int J Cardiol 2012 0.81
88 Reconstitution of herpes simplex virus-specific T cell immunity in HIV-infected patients receiving highly active antiretroviral therapy. J Infect Dis 2006 0.80
89 Factors influencing lopinavir and atazanavir plasma concentration. J Antimicrob Chemother 2010 0.80
90 Patient acceptance of self-injected enfuvirtide at 8 and 24 weeks. HIV Clin Trials 2003 0.80
91 Does severity predict distress? The relationship between subjective and objective measures of appearance and psychological adjustment, during treatment for facial lipoatrophy. Body Image 2007 0.80
92 A randomized study comparing a three- and four-drug HAART regimen in first-line therapy (QUAD study). J Antimicrob Chemother 2004 0.79
93 Patient-Reported Outcomes After a Switch to a Single-Tablet Regimen of Rilpivirine, Emtricitabine, and Tenofovir DF in HIV-1-Positive, Virologically Suppressed Individuals: Additional Findings From a Randomized, Open-Label, 48-Week Trial. Patient 2015 0.79
94 Lower healthcare costs associated with the use of a single-pill ARV regimen in the UK, 2004-2008. PLoS One 2012 0.79
95 End-stage kidney disease and kidney transplantation in HIV-positive patients: an observational cohort study. J Acquir Immune Defic Syndr 2014 0.78
96 Gender and mental health aspects of living with HIV disease and its longer-term outcomes for UK heterosexual patients. Women Health 2012 0.78
97 The need for data on women living with HIV in Europe. Antivir Ther 2013 0.78
98 The cost-effectiveness of a novel SIAscopic diagnostic aid for the management of pigmented skin lesions in primary care: a decision-analytic model. Value Health 2013 0.77
99 A family medicine training collaborative in early abortion. Fam Med 2007 0.77
100 Detecting HIV-1 superinfection by pol gene population sequencing among untreated HIV-1-infected men who experience sudden rises in plasma HIV-1 RNA load. AIDS 2011 0.77
101 Rapid and reliable identification of ionophore antibiotics in feeds by liquid chromatography-tandem mass spectrometry. J Vet Diagn Invest 2011 0.77
102 Examination of Eurasian griffon vultures (Gyps fulvus fulvus) in Israel for exposure to environmental toxicants using dried blood spots. Arch Environ Contam Toxicol 2011 0.77
103 Competencies in pulmonary procedures. Chest 2004 0.77
104 Does discordancy between the CD4 count and CD4 percentage in HIV-positive individuals influence outcomes on highly active antiretroviral therapy? J Infect Dis 2012 0.76
105 Factors associated with virological rebound in HIV-infected patients receiving protease inhibitor monotherapy. AIDS 2016 0.76
106 Biomarkers to monitor safety in people on art and risk of mortality. J Acquir Immune Defic Syndr 2012 0.76
107 Comparison of metabolic abnormalities and clinical lipodystrophy 48 weeks after switching from HAART to Trizivir versus continued HAART: the Trizal study. HIV Clin Trials 2003 0.76
108 Resolution of azole-resistant oesophageal candidiasis in an AIDS patient after treatment with caspofungin. AIDS 2003 0.75
109 Response to "Atazanavir/ritonavir versus lopinavir/ritonavir: equivalent or different efficacy profiles?" by Hill. AIDS 2006 0.75
110 British HIV Association national audit on the management of patients co-infected with tuberculosis and HIV. Clin Med 2011 0.75
111 Transient increase in plasma HIV-1 viral load and associated weight gain after thalidomide dosing. AIDS 2002 0.75
112 Commentary: Biochemistry and molecular biology educators launch national network. Biochem Mol Biol Educ 2010 0.75
113 Detection of low-frequency K103N mutants after unstructured discontinuation of efavirenz in the presence of the CYP2B6 516 TT polymorphism. J Antimicrob Chemother 2008 0.75
114 Predicting antiretroviral drug resistance from the latest or the cumulative genotype. Antivir Ther 2011 0.75
115 Is 1 alanine transaminase >200 IU enough to define an alanine transaminase flare in HIV-infected populations? A new definition derived from a large cohort study. J Acquir Immune Defic Syndr 2009 0.75
116 Pseudomonal sepsis with subcutaneous nodules in an HIV-infected individual with high CD4 counts. J Infect 2005 0.75
117 Facial atrophy in HIV-related fat redistribution syndrome: a plastic surgical perspective on treatment options and a look to the future. Int J STD AIDS 2006 0.75
118 Pneumocystis pneumonia revisited: delayed diagnosis in an HIV infected individual with high blood and low lung CD4 T cell counts. J Infect 2006 0.75
119 Switching from a ritonavir-boosted protease inhibitor to a dolutegravir-based regimen for maintenance of HIV viral suppression in patients with high cardiovascular risk. AIDS 2017 0.75
120 Determination of methomyl in the stomach contents of baited wildlife by gas chromatography-mass spectrometry. J Vet Diagn Invest 2013 0.75
121 Rapid quantification of ionophores in feeds by liquid chromatography-tandem mass spectrometry. J Vet Diagn Invest 2011 0.75
122 Use of Time-Dependent Propensity Scores to Adjust Hazard Ratio Estimates in Cohort Studies with Differential Depletion of Susceptibles. Epidemiology 2019 0.75
123 Costs to achieve undetectable HIV RNA with darunavir-containing highly active antiretroviral therapy in highly pretreated patients: the POWER experience. Pharmacoeconomics 2010 0.75