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Items: 1 to 50 of 81

1.

Public Comments on the Proposed Common Rule Mandate for Single-IRB Review of Multisite Research.

Taylor HA, Ehrhardt S, Ervin AM.

Ethics Hum Res. 2019 Jan;41(1):15-21. doi: 10.1002/eahr.500002.

PMID:
30744312
2.

Internalizing symptoms in very low birth weight preschoolers: Symptom level and risk factors from four rating perspectives in a controlled multicenter study.

Helle N, Barkmann C, Ehrhardt S, Wense AV, Nestoriuc Y, Bindt C.

J Affect Disord. 2019 Mar 1;246:74-81. doi: 10.1016/j.jad.2018.12.025. Epub 2018 Dec 17.

PMID:
30578949
3.

Epidemiology at a time for unity.

Lau B, Duggal P, Ehrhardt S.

Int J Epidemiol. 2018 Dec 11. doi: 10.1093/ije/dyy282. [Epub ahead of print] No abstract available.

PMID:
30535332
4.

When Is Enough, Enough? When Are More Observational Epidemiologic Studies Needed to Resolve a Research Question: Illustrations Using Biomarker-Cancer Associations.

Marrone MT, Tsilidis KK, Ehrhardt S, Joshu CE, Rebbeck TR, Sellers TA, Platz EA.

Cancer Epidemiol Biomarkers Prev. 2019 Feb;28(2):239-247. doi: 10.1158/1055-9965.EPI-18-0660. Epub 2018 Oct 30.

PMID:
30377205
5.

Epidemiology at a time for unity.

Lau B, Duggal P, Ehrhardt S.

Int J Epidemiol. 2018 Oct 1;47(5):1366-1371. doi: 10.1093/ije/dyy179. No abstract available.

PMID:
30165517
6.

Efficacy of introducing a checklist to reduce central venous line associated bloodstream infections in the ICU caring for adult patients.

Wichmann D, Belmar Campos CE, Ehrhardt S, Kock T, Weber C, Rohde H, Kluge S.

BMC Infect Dis. 2018 Jun 8;18(1):267. doi: 10.1186/s12879-018-3178-6.

7.

Microbial Preparations (Probiotics) for the Prevention of Clostridium difficile Infection in Adults and Children: An Individual Patient Data Meta-analysis of 6,851 Participants.

Johnston BC, Lytvyn L, Lo CK, Allen SJ, Wang D, Szajewska H, Miller M, Ehrhardt S, Sampalis J, Duman DG, Pozzoni P, Colli A, Lönnermark E, Selinger CP, Wong S, Plummer S, Hickson M, Pancheva R, Hirsch S, Klarin B, Goldenberg JZ, Wang L, Mbuagbaw L, Foster G, Maw A, Sadeghirad B, Thabane L, Mertz D.

Infect Control Hosp Epidemiol. 2018 Jul;39(7):771-781. doi: 10.1017/ice.2018.84. Epub 2018 Apr 26. Erratum in: Infect Control Hosp Epidemiol. 2018 Jul;39(7):894.

PMID:
29695312
8.

Postpartum posttraumatic and acute stress in mothers and fathers of infants with very low birth weight: Cross-sectional results from a controlled multicenter cohort study.

Helle N, Barkmann C, Ehrhardt S, Bindt C.

J Affect Disord. 2018 Aug 1;235:467-473. doi: 10.1016/j.jad.2018.04.013. Epub 2018 Apr 3.

PMID:
29679899
9.

Why Public Comments Matter: The Case of the National Institutes of Health Policy on Single Institutional Review Board Review of Multicenter Studies.

Ervin AM, Taylor HA, Ehrhardt S, Meinert CL.

Acad Med. 2018 Aug;93(8):1157-1161. doi: 10.1097/ACM.0000000000002206.

PMID:
29517531
10.

Knowledge regarding hepatitis B mother-to-child transmission among healthcare workers in South China.

Chen Y, Xie C, Zhang Y, Li Y, Ehrhardt S, Thio CL, Nelson KE, Chen Y, Lin CS.

J Viral Hepat. 2018 May;25(5):561-570. doi: 10.1111/jvh.12839. Epub 2018 Jan 24.

PMID:
29194878
11.

Trajectories of maternal ante- and postpartum depressive symptoms and their association with child- and mother-related characteristics in a West African birth cohort study.

Barthel D, Kriston L, Fordjour D, Mohammed Y, Kra-Yao ED, Bony Kotchi CE, Koffi Armel EJ, Eberhardt KA, Feldt T, Hinz R, Mathurin K, Schoppen S, Bindt C, Ehrhardt S; International CDS Study Group.

PLoS One. 2017 Nov 6;12(11):e0187267. doi: 10.1371/journal.pone.0187267. eCollection 2017.

12.

Interaction and Mutual Activation of Different Innate Immune Cells Is Necessary to Kill and Clear Hepatitis C Virus-Infected Cells.

Klöss V, Grünvogel O, Wabnitz G, Eigenbrod T, Ehrhardt S, Lasitschka F, Lohmann V, Dalpke AH.

Front Immunol. 2017 Sep 29;8:1238. doi: 10.3389/fimmu.2017.01238. eCollection 2017.

13.

Characteristics and trends of clinical trials funded by the National Institutes of Health between 2005 and 2015.

Gresham GK, Ehrhardt S, Meinert JL, Appel LJ, Meinert CL.

Clin Trials. 2018 Feb;15(1):65-74. doi: 10.1177/1740774517727742. Epub 2017 Sep 7.

14.

Knowledge of and attitudes towards hepatitis B and its transmission from mother to child among pregnant women in Guangdong Province, China.

Han Z, Yin Y, Zhang Y, Ehrhardt S, Thio CL, Nelson KE, Bai X, Hou H.

PLoS One. 2017 Jun 2;12(6):e0178671. doi: 10.1371/journal.pone.0178671. eCollection 2017.

15.

Isolation and cultivation of adult primary bovine hepatocytes from abattoir derived liver.

Ehrhardt S, Schmicke M.

EXCLI J. 2016 Dec 22;15:858-866. doi: 10.17179/excli2016-794. eCollection 2016.

16.

NIH Policy on Single-IRB Review - A New Era in Multicenter Studies.

Ervin AM, Taylor HA, Ehrhardt S.

N Engl J Med. 2016 Dec 15;375(24):2315-2317. No abstract available.

17.

A targeted door-to-door strategy for sleeping sickness detection in low-prevalence settings in Côte d'Ivoire.

Koffi M, N'Djetchi M, Ilboudo H, Kaba D, Coulibaly B, N'Gouan E, Kouakou L, Bucheton B, Solano P, Courtin F, Ehrhardt S, Jamonneau V.

Parasite. 2016;23:51. Epub 2016 Nov 16.

18.

Selective Trapping of DNA Using Glass Microcapillaries.

Rempfer G, Ehrhardt S, Laohakunakorn N, Davies GB, Keyser UF, Holm C, de Graaf J.

Langmuir. 2016 Aug 23;32(33):8525-32. doi: 10.1021/acs.langmuir.6b02071. Epub 2016 Aug 8.

PMID:
27479470
19.

Is the WHO Guide on Essential Practice of Postpartum Newborn Care Used in a District Health Care Facility?

Klinkott R, Mushi V, Komba G, Krüger C, Schultz A, Stich A, Stüfe A, Weber M, Ehrhardt S.

J Trop Pediatr. 2016 Dec;62(6):436-445. Epub 2016 Jun 17.

PMID:
27318113
20.

Longitudinal course of ante- and postpartum generalized anxiety symptoms and associated factors in West-African women from Ghana and Côte d'Ivoire.

Barthel D, Kriston L, Barkmann C, Appiah-Poku J, Te Bonle M, Esther Doris KY, Carine Esther BK, Jean Armel KE, Mohammed Y, Osei Y, Fordjour D, Owusu D, Eberhardt KA, Hinz R, Koffi M, N'Goran E, Nguah SB, Tagbor H, Schoppen S, Ehrhardt S, Bindt C; International CDS Study Group.

J Affect Disord. 2016 Jun;197:125-33. doi: 10.1016/j.jad.2016.03.014. Epub 2016 Mar 9.

PMID:
26991367
21.

Saccharomyces boulardii to Prevent Antibiotic-Associated Diarrhea: A Randomized, Double-Masked, Placebo-Controlled Trial.

Ehrhardt S, Guo N, Hinz R, Schoppen S, May J, Reiser M, Schroeder MP, Schmiedel S, Keuchel M, Reisinger EC, Langeheinecke A, de Weerth A, Schuchmann M, Schaberg T, Ligges S, Eveslage M, Hagen RM, Burchard GD, Lohse AW.

Open Forum Infect Dis. 2016 Jan 29;3(1):ofw011. doi: 10.1093/ofid/ofw011. eCollection 2016 Jan.

22.

Postpartum anxiety and adjustment disorders in parents of infants with very low birth weight: Cross-sectional results from a controlled multicentre cohort study.

Helle N, Barkmann C, Ehrhardt S, von der Wense A, Nestoriuc Y, Bindt C.

J Affect Disord. 2016 Apr;194:128-34. doi: 10.1016/j.jad.2016.01.016. Epub 2016 Jan 14.

PMID:
26820762
23.

Trends in National Institutes of Health Funding for Clinical Trials Registered in ClinicalTrials.gov.

Ehrhardt S, Appel LJ, Meinert CL.

JAMA. 2015 Dec 15;314(23):2566-7. doi: 10.1001/jama.2015.12206. No abstract available.

24.

A Survey Study of Pregnant Women and Healthcare Practitioners Assessing the Knowledge of Attitudes and Practices of Hepatitis B Management at a Teaching Hospital in Kumasi, Ghana, West Africa.

Cheng A, Jose J, Larsen-Reindorf R, Small C, Nde H, Dugas L, Ehrhardt S, Nelson K, Ezeanolue E, Layden J.

Open Forum Infect Dis. 2015 Sep 1;2(4):ofv122. doi: 10.1093/ofid/ofv122. eCollection 2015 Dec.

25.

RESEARCH ETHICS. Evidence gaps and ethical review of multicenter studies.

Ervin AM, Taylor HA, Meinert CL, Ehrhardt S.

Science. 2015 Nov 6;350(6261):632-3. doi: 10.1126/science.aac4872. No abstract available.

26.

Screening for depression in pregnant women from Côte d׳Ivoire and Ghana: Psychometric properties of the Patient Health Questionnaire-9.

Barthel D, Barkmann C, Ehrhardt S, Schoppen S, Bindt C; International CDS Study Group.

J Affect Disord. 2015 Nov 15;187:232-40. doi: 10.1016/j.jad.2015.06.042. Epub 2015 Jul 29.

PMID:
26343851
27.

Global elimination of mother-to-child transmission of hepatitis B: revisiting the current strategy.

Thio CL, Guo N, Xie C, Nelson KE, Ehrhardt S.

Lancet Infect Dis. 2015 Aug;15(8):981-5. doi: 10.1016/S1473-3099(15)00158-9. Epub 2015 Jul 2.

PMID:
26145195
28.

Very low birth-weight as a risk factor for postpartum depression four to six weeks postbirth in mothers and fathers: Cross-sectional results from a controlled multicentre cohort study.

Helle N, Barkmann C, Bartz-Seel J, Diehl T, Ehrhardt S, Hendel A, Nestoriuc Y, Schulte-Markwort M, von der Wense A, Bindt C.

J Affect Disord. 2015 Jul 15;180:154-61. doi: 10.1016/j.jad.2015.04.001. Epub 2015 Apr 10.

PMID:
25911131
29.

Erythropoietin acts as an anti-inflammatory signal on murine mast cells.

Wiedenmann T, Ehrhardt S, Cerny D, Hildebrand D, Klein S, Heeg K, Kubatzky KF.

Mol Immunol. 2015 May;65(1):68-76. doi: 10.1016/j.molimm.2015.01.011. Epub 2015 Jan 30.

PMID:
25645506
30.

Breastfeeding while taking lamivudine or tenofovir disoproxil fumarate: a review of the evidence.

Ehrhardt S, Xie C, Guo N, Nelson K, Thio CL.

Clin Infect Dis. 2015 Jan 15;60(2):275-8. doi: 10.1093/cid/ciu798. Epub 2014 Oct 13. Review.

PMID:
25313254
31.

Psychometric properties of the 7-item Generalized Anxiety Disorder scale in antepartum women from Ghana and Côte d'Ivoire.

Barthel D, Barkmann C, Ehrhardt S, Bindt C; International CDS Study Group.

J Affect Disord. 2014 Dec;169:203-11. doi: 10.1016/j.jad.2014.08.004. Epub 2014 Aug 11.

PMID:
25212996
32.

Mental health related determinants of parenting stress among urban mothers of young children--results from a birth-cohort study in Ghana and Côte d'Ivoire.

Guo N, Bindt C, Te Bonle M, Appiah-Poku J, Tomori C, Hinz R, Barthel D, Schoppen S, Feldt T, Barkmann C, Koffi M, Loag W, Nguah SB, Eberhardt KA, Tagbor H, Bass JK, N'Goran E, Ehrhardt S; International CDS Study Group.

BMC Psychiatry. 2014 May 29;14:156. doi: 10.1186/1471-244X-14-156.

33.

No association between antenatal common mental disorders in low-obstetric risk women and adverse birth outcomes in their offspring: results from the CDS study in Ghana and Côte D'Ivoire.

Bindt C, Guo N, Bonle MT, Appiah-Poku J, Hinz R, Barthel D, Schoppen S, Feldt T, Barkmann C, Koffi M, Loag W, Nguah SB, Eberhardt KA, Tagbor H, N'goran E, Ehrhardt S; International CDS Study Group.

PLoS One. 2013 Nov 18;8(11):e80711. doi: 10.1371/journal.pone.0080711. eCollection 2013.

34.

Association of antepartum and postpartum depression in Ghanaian and Ivorian women with febrile illness in their offspring: a prospective birth cohort study.

Guo N, Bindt C, Te Bonle M, Appiah-Poku J, Hinz R, Barthel D, Koffi M, Posdzich S, Deymann S, Barkmann C, Schlüter L, Jaeger A, Blay Nguah S, Eberhardt KA, N'Goran E, Tagbor H, Ehrhardt S; International CDS Study Group.

Am J Epidemiol. 2013 Nov 1;178(9):1394-402. doi: 10.1093/aje/kwt142. Epub 2013 Sep 7.

PMID:
24013202
35.

Antepartum depression and anxiety associated with disability in African women: cross-sectional results from the CDS study in Ghana and Côte d'Ivoire.

Bindt C, Appiah-Poku J, Te Bonle M, Schoppen S, Feldt T, Barkmann C, Koffi M, Baum J, Nguah SB, Tagbor H, Guo N, N'Goran E, Ehrhardt S; International CDS Study Group.

PLoS One. 2012;7(10):e48396. doi: 10.1371/journal.pone.0048396. Epub 2012 Oct 26.

36.

Cardiac function in Ghanaian children with severe malaria.

Nguah SB, Feldt T, Hoffmann S, Pelletier D, Ansong D, Sylverken J, Mehrfar P, Herr J, Thiel C, Ehrhardt S, Burchard GD, Cramer JP.

Intensive Care Med. 2012 Dec;38(12):2032-41. doi: 10.1007/s00134-012-2676-z. Epub 2012 Aug 14.

PMID:
22890885
37.

Are insecticide treated bednets failing?

Meyer CG, Ehrhardt S.

Lancet Infect Dis. 2012 Jul;12(7):513-4; author reply 514. doi: 10.1016/S1473-3099(12)70106-8. No abstract available.

PMID:
22742636
38.

Transfer of evidence-based medical guidelines to low- and middle-income countries.

Ehrhardt S, Meyer CG.

Trop Med Int Health. 2012 Feb;17(2):144-6. doi: 10.1111/j.1365-3156.2011.02910.x. Epub 2011 Oct 21. No abstract available.

39.

Influence of haemoglobins S and C on predominantly asymptomatic Plasmodium infections in northern Ghana.

Danquah I, Ziniel P, Eggelte TA, Ehrhardt S, Mockenhaupt FP.

Trans R Soc Trop Med Hyg. 2010 Nov;104(11):713-9. doi: 10.1016/j.trstmh.2010.08.001.

PMID:
20800861
40.

Tunnel vision in Tropical Medicine research?

Ehrhardt S.

Trop Med Int Health. 2010 Aug;15(8):870-1. doi: 10.1111/j.1365-3156.2010.02572.x. Epub 2010 Jun 9. No abstract available.

41.

[Plasmodium knowlesi: cause of naturally acquired malaria in humans].

Schottelius J, Gilberger T, Ehrhardt S, Burchard G.

Dtsch Med Wochenschr. 2010 Feb;135(7):297-300. doi: 10.1055/s-0029-1244852. Epub 2010 Feb 9. Review. German. No abstract available.

PMID:
20146160
42.

Artemether-lumefantrine in the treatment of uncomplicated Plasmodium falciparum malaria.

Ehrhardt S, Meyer CG.

Ther Clin Risk Manag. 2009;5:805-15. Epub 2009 Oct 12.

43.

Cardiac involvement in dengue virus infections during the 2004/2005 dengue fever season in Sri Lanka.

Wichmann D, Kularatne S, Ehrhardt S, Wijesinghe S, Brattig NW, Abel W, Burchard GD.

Southeast Asian J Trop Med Public Health. 2009 Jul;40(4):727-30.

PMID:
19842405
44.

Eosinophilia in returning travelers and migrants.

Ehrhardt S, Burchard GD.

Dtsch Arztebl Int. 2008 Nov;105(46):801-7. doi: 10.3238/arztebl.2008.0801. Epub 2008 Nov 14.

45.

Sickle cell trait (HbAS) and stunting in children below two years of age in an area of high malaria transmission.

Kreuels B, Ehrhardt S, Kreuzberg C, Adjei S, Kobbe R, Burchard GD, Ehmen C, Ayim M, Adjei O, May J.

Malar J. 2009 Jan 16;8:16. doi: 10.1186/1475-2875-8-16.

46.

Large-scale surveillance of Plasmodium falciparum crt(K76T) in northern Ghana.

Ehrhardt S, Eggelte TA, Kaiser S, Adjei L, Burchard GD, Anemana SD, Bienzle U, Mockenhaupt FP.

Antimicrob Agents Chemother. 2007 Sep;51(9):3407-9. Epub 2007 Jun 11.

47.

High residual chloroquine blood levels in African children with severe malaria seeking healthcare.

Wichmann O, Eggelte TA, Gellert S, Osman ME, Mylius F, Ehrhardt S, Anemana SD, Bienzle U, Mockenhaupt FP.

Trans R Soc Trop Med Hyg. 2007 Jul;101(7):637-42. Epub 2007 Apr 30.

PMID:
17467758
48.

Toll-like receptor (TLR) polymorphisms in African children: common TLR-4 variants predispose to severe malaria.

Mockenhaupt FP, Cramer JP, Hamann L, Stegemann MS, Eckert J, Oh NR, Otchwemah RN, Dietz E, Ehrhardt S, Schröder NW, Bienzle U, Schumann RR.

J Commun Dis. 2006 Mar;38(3):230-45. Retraction in: J Commun Dis. 2007 Jun;39(2):145.

PMID:
17373355
49.

Plasmodium falciparum glycosylphosphatidylinositol induces limited apoptosis in liver and spleen mouse tissue.

Wichmann D, Schwarz RT, Ruppert V, Ehrhardt S, Cramer JP, Burchard GD, Maisch B, Debierre-Grockiego F.

Apoptosis. 2007 Jun;12(6):1037-41.

PMID:
17260185
50.

Malaria, anemia, and malnutrition in african children--defining intervention priorities.

Ehrhardt S, Burchard GD, Mantel C, Cramer JP, Kaiser S, Kubo M, Otchwemah RN, Bienzle U, Mockenhaupt FP.

J Infect Dis. 2006 Jul 1;194(1):108-14. Epub 2006 May 26.

PMID:
16741889

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