Publications

Masoud N.S, Knopp S, Lenz N, Lweno O, Abdul Kibondo U, Mohamed A, Schindler T, Rothen J, Masimba J, S, Althaus F, Abdulla S, Tanner M, Daubenberger C, Genton B. The impact of soil transmitted helminth on malaria clinical presentation and treatment outcome: a case control study among children in Bagamoyo district, coastal region of Tanzania. PLoS Negl Trop Dis. 2024;18(8):e0012412. DOI: 10.1371/journal.pntd.0012412

Ndum N.C, Trippler L, Mohammed U.A, Ali A.S, Hattendorf J, Utzinger J, Ali S.M, Knopp S. Capacities and needs of health care facilities for schistosomiasis diagnosis and management in elimination settings. Parasit Vectors. 2024;17:263. DOI: 10.1186/s13071-024-06311-8

Trippler L, Taylor L, Ali M.N, Najim S.O, Khamis K.S, Hattendorf J, Juma S, Ame S.M, Kabole F, Ali S.M, Knopp S. Test-treat-track-test-treat (5T) approach for Schistosoma haematobium elimination on Pemba Island, Tanzania. BMC Infect Dis. 2024;24(1):661. DOI: 10.1186/s12879-024-09549-w

Coffeng L.E, Vlaminck J, Cools P, Denwood M, Albonico M, Ame S.M, Ayana M, Dana D, Cringoli G, de Vlas S.J, Fenwick A, French M, Kazienga A, Keiser J, Knopp S, Leta G, Matoso L.F, Maurelli M.P, Montresor A, Mirams G, Mekonnen Z, Corrêa-Oliveira R, Pinto S.A, Rinaldi L, Sayasone S, Steinmann P, Thomas E, Vercruysse J, Levecke B. A general framework to support cost-efficient fecal egg count methods and study design choices for large-scale STH deworming programs-monitoring of therapeutic drug efficacy as a case study. PLoS Negl Trop Dis. 2023;17(5):e0011071. DOI: 10.1371/journal.pntd.0011071

Trippler L, Knopp S, Welsche S, Webster B.L, Stothard J.R, Blair L, Allan F, Ame S.M, Juma S, Kabole F, Ali S.M, Rollinson D, Pennance T. The long road to schistosomiasis elimination in Zanzibar: a systematic review covering 100 years of research, interventions and control milestones. Adv Parasitol. 2023;122:71-191. DOI: 10.1016/bs.apar.2023.06.001

De Rosa E, Person B, Knopp S, Ali J.M, Lyimo J.H, Kabole F, Rollinson D. A descriptive qualitative case study of the experiences, perceptions, and attitudes of pregnant women on Unguja island, Zanzibar, towards antischistosomal treatment. Acta Trop. 2022;225:106143. DOI: 10.1016/j.actatropica.2021.106143

Hoekstra P.T, Casacuberta-Partal M, van Lieshout L, Corstjens Plam, Tsonaka R, Assaré R.K, Silué K.D, N'Goran E.K, N'Gbesso Y.K, Brienen E.A.T, Roestenberg M, Knopp S, Utzinger J, Coulibaly J.T, van Dam G.J. Limited efficacy of repeated praziquantel treatment in Schistosoma mansoni infections as revealed by highly accurate diagnostics, PCR and UCP-LF CAA (RePST trial). PLoS Negl Trop Dis. 2022;16(12):e0011008. DOI: 10.1371/journal.pntd.0011008

Pennance T, Ame S.M, Amour A.K, Suleiman K.R, Muhsin M.A, Kabole F, Ali S.M, Archer J, Allan F, Emery A, Rabone M, Knopp S, Rollinson D, Cable J, Webster B.L. Transmission and diversity of Schistosoma haematobium and S. bovis and their freshwater intermediate snail hosts Bulinus globosus and B. nasutus in the Zanzibar Archipelago, United Republic of Tanzania. PLoS Negl Trop Dis. 2022;16(7):e0010585. DOI: 10.1371/journal.pntd.0010585

Pennance T, Neves M.I, Webster B.L, Gower C.M, Knopp S, Khamis I.S, Ame S.M, Ali S.M, Rabone M, Emery A, Allan F, Muhsin M.A, Suleiman K.R, Kabole F, Walker M, Rollinson D, Webster J.P. Potential drivers for schistosomiasis persistence: population genetic analyses from a cluster-randomized urogenital schistosomiasis elimination trial across the Zanzibar islands. PLoS Negl Trop Dis. 2022;16(10):e0010419. DOI: 10.1371/journal.pntd.0010419

Trippler L, Ali M.N, Ame S.M, Ali S.M, Kabole F, Hattendorf J, Knopp S. GPS-based fine-scale mapping surveys for schistosomiasis assessment: a practical introduction and documentation of field implementation. Infect Dis Poverty. 2022;11:8. DOI: 10.1186/s40249-021-00928-y

Trippler L, Ali S.M, Ame S.M, Hattendorf J, Suleiman K.R, Ali M.N, Juma S, Kabole F, Knopp S. Fine-scale-mapping of Schistosoma haematobium infections at the school and community levels and intermediate host snail abundance in the north of Pemba Island: baseline cross-sectional survey findings before the onset of a 3-year intervention stu. Parasit Vectors. 2022;15:292. DOI: 10.1186/s13071-022-05404-6

Klohe K, Koudou B.G, Fenwick A, Fleming F, Garba A, Gouvras A, Harding-Esch E.M, Knopp S, Molyneux D, D'Souza S, Utzinger J, Vounatsou P, Waltz J, Zhang Y, Rollinson D. A systematic literature review of schistosomiasis in urban and peri-urban settings. PLoS Negl Trop Dis. 2021;15(2):e0008995. DOI: 10.1371/journal.pntd.0008995

Pearson M.S, Tedla B.A, Mekonnen G.G, Proietti C, Becker L, Nakajima R, Jasinskas A, Doolan D.L, Amoah A.S, Knopp S, Rollinson D, Ali S.M, Kabole F, Hokke C.H, Adegnika A.A, Field M.A, van Dam G, Corstjens P.L.A.M, Mduluza T, Mutapi F, Oeuvray C, Greco B, Chaiyadet S, Laha T, Cai P, McManus D.P, Bottazzi M.E, Felgner P.L, Sotillo J, Loukas A. Immunomics-guided discovery of serum and urine antibodies for diagnosing urogenital schistosomiasis: a biomarker identification study. Lancet Microbe. 2021;2(11):e617-e626. DOI: 10.1016/S2666-5247(21)00150-6

Person B, Rollinson D, Ali S.M, Mohammed U.A, A'Kadir F M, Kabole F, Knopp S. Evaluation of a urogenital schistosomiasis behavioural intervention among students from rural schools in Unguja and Pemba islands, Zanzibar. Acta Trop. 2021;220:105960. DOI: 10.1016/j.actatropica.2021.105960

Trippler L, Ame S.M, Hattendorf J, Juma S, Abubakar S, Ali S.M, Kabole F, Rollinson D, Knopp S. Impact of seven years of mass drug administration and recrudescence of Schistosoma haematobium infections after one year of treatment gap in Zanzibar: repeated cross-sectional studies. PLoS Negl Trop Dis. 2021;15(2):e0009127. DOI: 10.1371/journal.pntd.0009127

Trippler L, Hattendorf J, Ali S.M, Ame S.M, Juma S, Kabole F, Knopp S. Novel tools and strategies for breaking schistosomiasis transmission: study protocol for an intervention study. BMC Infect Dis. 2021;21:1024. DOI: 10.1186/s12879-021-06620-8

Allan F, Ame S.M, Tian-Bi Y.T, Hofkin B.V, Webster B.L, Diakité N.R, N'Goran E.K, Kabole F, Khamis I.S, Gouvras A.N, Emery A.M, Pennance T, Rabone M, Kinung'hi S, Hamidou A.A, Mkoji G.M, McLaughlin J.P, Kuris A.M, Loker E.S, Knopp S, Rollinson D. Snail-related contributions from the Schistosomiasis Consortium for Operational Research and Evaluation program including xenomonitoring, focal mollusciciding, biological control, and modeling. Am J Trop Med Hyg. 2020;103(Suppl. 1):66-79. DOI: 10.4269/ajtmh.19-0831

Archer J, Barksby R, Pennance T, Rostron P, Bakar F, Knopp S, Allan F, Kabole F, Ali S.M, Ame S.M, Rollinson D, Webster B.L. Analytical and clinical assessment of a portable, isothermal recombinase polymerase amplification (RPA) assay for the molecular diagnosis of urogenital schistosomiasis. Molecules. 2020;25(18):4175. DOI: 10.3390/molecules25184175

Campbell C.H, Binder S, King C.H, Knopp S, Rollinson D, Person B, Webster B, Allan F, Utzinger J, Ame S.M, Ali S.M, Kabole F, N'Goran E.K, Tediosi F, Salari P, Ouattara M, Diakite N.R, Hattendorf J, Andros T, Kittur N, Colley D.G. SCORE operational research on moving toward interruption of schistosomiasis transmission. Am J Trop Med Hyg. 2020;103(Suppl. 1):58-65. DOI: 10.4269/ajtmh.19-0825

Colley D.G, Fleming F.M, Matendechero S.H, Knopp S, Rollinson D, Utzinger J, Castleman J.D, Kittur N, King C.H, Campbell C.H, Kabole F.M, Kinung'hi S, Ramzy R.M.R, Binder S. Contributions of the Schistosomiasis Consortium for Operational Research and Evaluation (SCORE) to schistosomiasis control and elimination: key findings and messages for future goals, thresholds, and operational research. Am J Trop Med Hyg. 2020;103(Suppl. 1):125-134. DOI: 10.4269/ajtmh.19-0787

Corstjens P.L.A.M, de Dood C.J, Knopp S, Clements M.N, Ortu G, Umulisa I, Ruberanziza E, Wittmann U, Kariuki T, LoVerde P, Secor W.E, Atkins L, Kinung'hi S, Binder S, Campbell C.H, Colley D.G, van Dam G.J. Circulating Anodic Antigen (CAA): a highly sensitive diagnostic biomarker to detect active Schistosoma infections-improvement and use during SCORE. Am J Trop Med Hyg. 2020;103(Suppl. 1):50-57. DOI: 10.4269/ajtmh.19-0819

Hoekstra P.T, Casacuberta-Partal M, van Lieshout L, Corstjens Plam, Tsonaka R, Assaré R.K, Silue K.D, Meite A, N'Goran E.K, N'Gbesso Y.K, Amoah A.S, Roestenberg M, Knopp S, Utzinger J, Coulibaly J.T, van Dam G.J. Efficacy of single versus four repeated doses of praziquantel against Schistosoma mansoni infection in school-aged children from Côte d'Ivoire based on Kato-Katz and POC-CCA: an open-label, randomised controlled trial (RePST). PLoS Negl Trop Dis. 2020;14(3):e0008189. DOI: 10.1371/journal.pntd.0008189

Keller D, Rothen J, Dangy J.P, Saner C, Daubenberger C, Allan F, Ame S.M, Ali S.M, Kabole F, Hattendorf J, Rollinson D, Seyfarth R, Knopp S. Performance of a real-time PCR approach for diagnosing Schistosoma haematobium infections of different intensity in urine samples from Zanzibar. Infect Dis Poverty. 2020;9:128. DOI: 10.1186/s40249-020-00726-y

Kittur N, Campbell C.H, Binder S, Shen Y, Wiegand R, Mwanga J.R, Kinung'hi S.M, Musuva R.M, Odiere M.R, Matendechero S.H, Knopp S, Colley D.G. Discovering, defining, and summarizing persistent hotspots in SCORE studies. Am J Trop Med Hyg. 2020;103(Suppl. 1):24-29. DOI: 10.4269/ajtmh.19-0815

Monnier N, Barth-Jaeggi T, Knopp S, Steinmann P. Core components, concepts and strategies for parasitic and vector-borne disease elimination with a focus on schistosomiasis: a landscape analysis. PLoS Negl Trop Dis. 2020;14(10):e0008837. DOI: 10.1371/journal.pntd.0008837

Moser W, Keiser J, Speich B, Sayasone S, Knopp S, Hattendorf J. One mean to rule them all? The arithmetic mean based egg reduction rate can be misleading when estimating anthelminthic drug efficacy in clinical trials. PLoS Negl Trop Dis. 2020;14(4):e0008185. DOI: 10.1371/journal.pntd.0008185

Pennance T, Archer J, Lugli E.B, Rostron P, Llanwarne F, Ali S.M, Amour A.K, Suleiman K.R, Li S, Rollinson D, Cable J, Knopp S, Allan F, Ame S.M, Webster B.L. Development of a molecular snail xenomonitoring assay to detect Schistosoma haematobium and Schistosoma bovis infections in their Bulinus snail hosts. Molecules. 2020;25(17):4011. DOI: 10.3390/molecules25174011

Salari P, Fürst T, Knopp S, Rollinson D, Kabole F, Khamis M.I, Omar M.A, Bacon O, Ali S.M, Utzinger J, Tediosi F. Financial costs of the Zanzibar elimination of schistosomiasis transmission project. Am J Trop Med Hyg. 2020;103(6):2260-2267. DOI: 10.4269/ajtmh.20-0252

Salari P, Fürst T, Knopp S, Utzinger J, Tediosi F. Cost of interventions to control schistosomiasis: a systematic review of the literature. PLoS Negl Trop Dis. 2020;14(3):e0008098. DOI: 10.1371/journal.pntd.0008098

The Economist Intelligence Unit. Breaking the cycle of neglect: reducing the economic and societal burden of parasitic worms in sub-Saharan Africa. London: The Economist Intelligence Unit Limited, 2020

Knopp S, Ame S.M, Hattendorf J, Ali S.M, Khamis I.S, Bakar F, Khamis M.A, Person B, Kabole F, Rollinson D. Correction to: Urogenital schistosomiasis elimination in Zanzibar: accuracy of urine filtration and haematuria reagent strips for diagnosing light intensity Schistosoma haematobium infections. Parasit Vectors. 2019;12:149. DOI: 10.1186/s13071-019-3397-8

Knopp S, Ame S.M, Person B, Hattendorf J, Rabone M, Juma S, Muhsin J, Khamis I.S, Hollenberg E, Mohammed K.A, Kabole F, Ali S.M, Rollinson D. A 5-year intervention study on elimination of urogenital schistosomiasis in Zanzibar: parasitological results of annual cross-sectional surveys. PLoS Negl Trop Dis. 2019;13(5):e0007268. DOI: 10.1371/journal.pntd.0007268

Knopp S, Person B, Ame S.M, Ali S.M, Hattendorf J, Juma S, Muhsin J, Khamis I.S, Mohammed K.A, Utzinger J, Hollenberg E, Kabole F, Rollinson D. Evaluation of integrated interventions layered on mass drug administration for urogenital schistosomiasis elimination: a cluster-randomised trial. Lancet Glob Health. 2019;7(8):e1118-e1129. DOI: 10.1016/S2214-109X(19)30189-5

Rostron P, Pennance T, Bakar F, Rollinson D, Knopp S, Allan F, Kabole F, Ali S.M, Ame S.M, Webster B.L. Development of a recombinase polymerase amplification (RPA) fluorescence assay for the detection of Schistosoma haematobium. Parasit Vectors. 2019;12:514. DOI: 10.1186/s13071-019-3755-6

Tian-Bi Y.N.T, Webster B, Konan C.K, Allan F, Diakité N.R, Ouattara M, Salia D, Koné A, Kakou A.K, Rabone M, Coulibaly J.T, Knopp S, Meïte A, Utzinger J, N'Goran E.K, Rollinson D. Molecular characterization and distribution of Schistosoma cercariae collected from naturally infected bulinid snails in northern and central Côte d’Ivoire. Parasit Vectors. 2019;12:117. DOI: 10.1186/s13071-019-3381-3

Gyorkos T.W, Montresor A, Belizario V, Biggs B.A, Bradley M, Brooker S.J, Casapia M, Cooper P, Deb S, Gilbert N.L, Imtiaz R, Khieu V, Knopp S, Lincetto O, Mofid L.S, Mupfasoni D, Vail C, Vercruysse J. The right to deworming: the case for girls and women of reproductive age. PLoS Negl Trop Dis. 2018;12(11):e0006740. DOI: 10.1371/journal.pntd.0006740

Hoekstra P.T, Casacuberta Partal M, Amoah A.S, van Lieshout L, Corstjens Plam, Tsonaka S, Assaré R.K, Silue K.D, Meite A, N'Goran E.K, N'Gbesso Y.K, Roestenberg M, Knopp S, Utzinger J, Coulibaly J.T, van Dam G.J. Repeated doses of Praziquantel in Schistosomiasis Treatment (RePST) - single versus multiple praziquantel treatments in school-aged children in Côte d'Ivoire: a study protocol for an open-label, randomised controlled trial. BMC Infect Dis. 2018;18:662. DOI: 10.1186/s12879-018-3554-2

Knopp S, Ame S.M, Hattendorf J, Ali S.M, Bakar F, Khamis M.A, Person B, Kabole F, Rollinson D. Urogenital schistosomiasis elimination in Zanzibar: accuracy of urine filtration and haematuria reagent strips for diagnosing light intensity Schistosoma haematobium infections. Parasit Vectors. 2018;11:552. DOI: 10.1186/s13071-018-3136-6

Palmeirim M.S, Hürlimann E, Knopp S, Speich B, Belizario V.Jr, Joseph S.A, Vaillant M, Olliaro P, Keiser J. Efficacy and safety of co-administered ivermectin plus albendazole for treating soil-transmitted helminths: a systematic review meta-analysis and individual patient data analysis. PLoS Negl Trop Dis. 2018;12(4):e0006458. DOI: 10.1371/journal.pntd.0006458

Sikalengo G, Hella J, Mhimbira F, Rutaihwa L.K, Bani F, Ndege R, Sasamalo M, Kamwela L, Said K, Mhalu G, Mlacha Y, Hatz C, Knopp S, Gagneux S, Reither K, Utzinger J, Tanner M, Letang E, Weisser M, Fenner L. Distinct clinical characteristics and helminth co-infections in adult tuberculosis patients from urban compared to rural Tanzania. Infect Dis Poverty. 2018;7:24. DOI: 10.1186/s40249-018-0404-9