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Commons RJ, Rajasekhar M, Edler P, Abreha T, Awab GR, Baird JK, Barber BE, Chu CS, Cui L, Daher A, Gonzalez-Ceron L, Grigg MJ, Hwang J, Karunajeewa H, Lacerda MVG, Ladeia-Andrade S, Lidia K, Llanos-Cuentas A, Longley RJ, Pereira DB, Pasaribu AP, Pukrittayakamee S, Rijal KR, Sutanto I, Taylor WRJ, Thanh PV, Thriemer K, Vieira JLF, Watson JA, Zuluaga-Idarraga LM, White NJ, Guerin PJ, Simpson JA, Price RN. Effect of primaquine dose on the risk of recurrence in patients with uncomplicated Plasmodium vivax: a systematic review and individual patient data meta-analysis. Lancet Infect Dis 2024; 24:172-183. [PMID: 37748496 PMCID: PMC7615564 DOI: 10.1016/s1473-3099(23)00430-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/24/2023] [Accepted: 06/29/2023] [Indexed: 09/27/2023]
Abstract
BACKGROUND Primaquine is used to eliminate Plasmodium vivax hypnozoites, but its optimal dosing regimen remains unclear. We undertook a systematic review and individual patient data meta-analysis to investigate the efficacy and tolerability of different primaquine dosing regimens to prevent P vivax recurrence. METHODS For this systematic review and individual patient data meta-analysis, we searched MEDLINE, Web of Science, Embase, and Cochrane Central for prospective clinical studies of uncomplicated P vivax from endemic countries published between Jan 1, 2000, and June 8, 2023. We included studies if they had active follow-up of at least 28 days, and if they included a treatment group with daily primaquine given over multiple days, where primaquine was commenced within 7 days of schizontocidal treatment and was given alone or coadministered with chloroquine or one of four artemisinin-based combination therapies (ie, artemether-lumefantrine, artesunate-mefloquine, artesunate-amodiaquine, or dihydroartemisinin-piperaquine). We excluded studies if they were on prevention, prophylaxis, or patients with severe malaria, or if data were extracted retrospectively from medical records outside of a planned trial. For the meta-analysis, we contacted the investigators of eligible trials to request individual patient data and we then pooled data that were made available by Aug 23, 2021. We assessed the effects of total dose and duration of primaquine regimens on the rate of first P vivax recurrence between day 7 and day 180 by Cox's proportional hazards regression (efficacy analysis). The effect of primaquine daily dose on gastrointestinal symptoms on days 5-7 was assessed by modified Poisson regression (tolerability analysis). The study was registered with PROSPERO, CRD42019154470. FINDINGS Of 226 identified studies, 23 studies with patient-level data from 6879 patients from 16 countries were included in the efficacy analysis. At day 180, the risk of recurrence was 51·0% (95% CI 48·2-53·9) in 1470 patients treated without primaquine, 19·3% (16·9-21·9) in 2569 patients treated with a low total dose of primaquine (approximately 3·5 mg/kg), and 8·1% (7·0-9·4) in 2811 patients treated with a high total dose of primaquine (approximately 7 mg/kg), regardless of primaquine treatment duration. Compared with treatment without primaquine, the rate of P vivax recurrence was lower after treatment with low-dose primaquine (adjusted hazard ratio 0·21, 95% CI 0·17-0·27; p<0·0001) and high-dose primaquine (0·10, 0·08-0·12; p<0·0001). High-dose primaquine had greater efficacy than low-dose primaquine in regions with high and low relapse periodicity (ie, the time from initial infection to vivax relapse). 16 studies with patient-level data from 5609 patients from ten countries were included in the tolerability analysis. Gastrointestinal symptoms on days 5-7 were reported by 4·0% (95% CI 0·0-8·7) of 893 patients treated without primaquine, 6·2% (0·5-12·0) of 737 patients treated with a low daily dose of primaquine (approximately 0·25 mg/kg per day), 5·9% (1·8-10·1) of 1123 patients treated with an intermediate daily dose (approximately 0·5 mg/kg per day) and 10·9% (5·7-16·1) of 1178 patients treated with a high daily dose (approximately 1 mg/kg per day). 20 of 23 studies included in the efficacy analysis and 15 of 16 in the tolerability analysis had a low or unclear risk of bias. INTERPRETATION Increasing the total dose of primaquine from 3·5 mg/kg to 7 mg/kg can reduce P vivax recurrences by more than 50% in most endemic regions, with a small associated increase in gastrointestinal symptoms. FUNDING Australian National Health and Medical Research Council, Bill & Melinda Gates Foundation, and Medicines for Malaria Venture.
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Affiliation(s)
- Robert J Commons
- Global Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, NT, Australia; WorldWide Antimalarial Resistance Network (WWARN), Asia-Pacific Regional Centre, Melbourne, VIC, Australia; General and Subspecialty Medicine, Grampians Health-Ballarat, Ballarat, VIC, Australia.
| | - Megha Rajasekhar
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia
| | - Peta Edler
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia; Department of Infectious Diseases, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Tesfay Abreha
- ICAP, Columbia University Mailman School of Public Health, Addis Ababa, Ethiopia
| | - Ghulam R Awab
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand; Nangarhar Medical Faculty, Nangarhar University, Jalalabad, Afghanistan
| | - J Kevin Baird
- Oxford University Clinical Research Unit Indonesia, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Bridget E Barber
- Global Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, NT, Australia; QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; Infectious Diseases Society Sabah-Menzies School of Health Research Clinical Research Unit, Kota Kinabalu, Malaysia
| | - Cindy S Chu
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK; Shoklo Malaria Research Unit, MORU, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
| | - Liwang Cui
- Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - André Daher
- Fiocruz Clinical Research Platform and Vice‑presidency of Research and Biological Collections, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
| | - Lilia Gonzalez-Ceron
- Regional Centre for Public Health Research, National Institute for Public Health, Tapachula, Mexico
| | - Matthew J Grigg
- Global Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, NT, Australia; Infectious Diseases Society Sabah-Menzies School of Health Research Clinical Research Unit, Kota Kinabalu, Malaysia
| | - Jimee Hwang
- US President's Malaria Initiative, Malaria Branch, US Centers for Disease Control and Prevention, Atlanta, GA, USA; Institute for Global Health Sciences, University of California San Francisco, San Francisco, CA, USA
| | - Harin Karunajeewa
- Department of Medicine-Western Health, Melbourne Medical School, The University of Melbourne, St Albans, VIC, Australia
| | - Marcus V G Lacerda
- Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Manaus, Brazil; Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil; University of Texas Medical Branch, Galveston, TX, USA
| | - Simone Ladeia-Andrade
- Laboratory of Parasitic Diseases, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil; Global Health and Tropical Medicine, Institute of Hygiene and Tropical Medicine, NOVA University of Lisbon, Lisbon, Portugal
| | - Kartini Lidia
- Department of Pharmacology and Therapy, Faculty of Medicine and Veterinary Medicine, Universitas Nusa Cendana, Kupang, Indonesia
| | - Alejandro Llanos-Cuentas
- Unit of Leishmaniasis and Malaria, Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Rhea J Longley
- Department of Medical Biology, The University of Melbourne, Melbourne, VIC, Australia; Mahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand; Population Health and Immunity Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
| | - Dhelio B Pereira
- Centro de Pesquisa em Medicina Tropical de Rondônia (CEPEM), Porto Velho, Brazil; Fundação Universidade Federal de Rondônia (UNIR), Porto Velho, Brazil
| | - Ayodhia P Pasaribu
- Department of Pediatrics, Medical Faculty, Universitas Sumatera Utara, Medan, Indonesia
| | - Sasithon Pukrittayakamee
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Komal R Rijal
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand; Central Department of Microbiology, Tribhuvan University, Kirtipur, Nepal
| | - Inge Sutanto
- Department of Parasitology, Faculty of Medicine, University of Indonesia, Jakarta, Indonesia
| | - Walter R J Taylor
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand; Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Pham V Thanh
- National Institute of Malariology, Parasitology and Entomology, Hanoi, Viet Nam
| | - Kamala Thriemer
- Global Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, NT, Australia
| | - José Luiz F Vieira
- Federal University of Pará (Universidade Federal do Pará - UFPA), Belém, Brazil
| | - James A Watson
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK; Oxford University Clinical Research Unit, Hospital for Tropical Diseases, Ho Chi Minh City, Viet Nam; WWARN, Oxford, UK
| | - Lina M Zuluaga-Idarraga
- Grupo Malaria, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia; Facultad Nacional de Salud Publica, Universidad de Antioquia, Medellín, Colombia
| | - Nicholas J White
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand; Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Philippe J Guerin
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK; WWARN, Oxford, UK; Infectious Diseases Data Observatory (IDDO), Oxford, UK
| | - Julie A Simpson
- WorldWide Antimalarial Resistance Network (WWARN), Asia-Pacific Regional Centre, Melbourne, VIC, Australia; Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia
| | - Ric N Price
- Global Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, NT, Australia; WorldWide Antimalarial Resistance Network (WWARN), Asia-Pacific Regional Centre, Melbourne, VIC, Australia; Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
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Mehdipour P, Rajasekhar M, Dini S, Zaloumis S, Abreha T, Adam I, Awab GR, Baird JK, Brasil LW, Chu CS, Cui L, Daher A, do Socorro M Gomes M, Gonzalez-Ceron L, Hwang J, Karunajeewa H, Lacerda MVG, Ladeia-Andrade S, Leslie T, Ley B, Lidia K, Llanos-Cuentas A, Longley RJ, Monteiro WM, Pereira DB, Rijal KR, Saravu K, Sutanto I, Taylor WRJ, Thanh PV, Thriemer K, Vieira JLF, White NJ, Zuluaga-Idarraga LM, Guerin PJ, Price RN, Simpson JA, Commons RJ. Effect of adherence to primaquine on the risk of Plasmodium vivax recurrence: a WorldWide Antimalarial Resistance Network systematic review and individual patient data meta-analysis. Malar J 2023; 22:306. [PMID: 37817240 PMCID: PMC10563365 DOI: 10.1186/s12936-023-04725-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 09/25/2023] [Indexed: 10/12/2023] Open
Abstract
BACKGROUND Imperfect adherence is a major barrier to effective primaquine radical cure of Plasmodium vivax. This study investigated the effect of reduced adherence on the risk of P. vivax recurrence. METHODS Efficacy studies of patients with uncomplicated P. vivax malaria, including a treatment arm with daily primaquine, published between January 1999 and March 2020 were identified. Individual patient data from eligible studies were pooled using standardized methodology. Adherence to primaquine was inferred from i) the percentage of supervised doses and ii) the total mg/kg dose received compared to the target total mg/kg dose per protocol. The effect of adherence to primaquine on the incidence of P. vivax recurrence between days 7 and 90 was investigated by Cox regression analysis. RESULTS Of 82 eligible studies, 32 were available including 6917 patients from 18 countries. For adherence assessed by percentage of supervised primaquine, 2790 patients (40.3%) had poor adherence (≤ 50%) and 4127 (59.7%) had complete adherence. The risk of recurrence by day 90 was 14.0% [95% confidence interval: 12.1-16.1] in patients with poor adherence compared to 5.8% [5.0-6.7] following full adherence; p = 0.014. After controlling for age, sex, baseline parasitaemia, and total primaquine dose per protocol, the rate of the first recurrence was higher following poor adherence compared to patients with full adherence (adjusted hazard ratio (AHR) = 2.3 [1.8-2.9]). When adherence was quantified by total mg/kg dose received among 3706 patients, 347 (9.4%) had poor adherence, 88 (2.4%) had moderate adherence, and 3271 (88.2%) had complete adherence to treatment. The risks of recurrence by day 90 were 8.2% [4.3-15.2] in patients with poor adherence and 4.9% [4.1-5.8] in patients with full adherence; p < 0.001. CONCLUSION Reduced adherence, including less supervision, increases the risk of vivax recurrence.
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Affiliation(s)
- Parinaz Mehdipour
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Megha Rajasekhar
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Saber Dini
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Sophie Zaloumis
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Tesfay Abreha
- ICAP, Columbia University Mailman School of Public Health, Addis Ababa, Ethiopia
| | - Ishag Adam
- Department of Obstetrics and Gynecology, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
| | - Ghulam Rahim Awab
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Nangarhar Medical Faculty, Nangarhar University, Jalalabad, Afghanistan
| | - J Kevin Baird
- Oxford University Clinical Research Unit Indonesia, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, Oxford University, Oxford, UK
| | - Larissa W Brasil
- Diretoria de Ensino E Pesquisa, Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, AM, Brazil
- Programa de Pós‑Graduação em Medicina Tropical, Universidade Do Estado Do Amazonas, Manaus, AM, Brazil
| | - Cindy S Chu
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, Oxford University, Oxford, UK
- Shoklo Malaria Research Unit, Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
| | - Liwang Cui
- Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - André Daher
- Fiocruz Clinical Research Platform, Vice-Presidency of Research and Biological Collections, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil
| | - Margarete do Socorro M Gomes
- Superintendência de Vigilância Em Saúde Do Estado Do Amapá - SVS/AP, Macapá, Amapá, Brazil
- Federal University of aMAPA, Universidade Federal Do Amapá - UNIFAP), Macapá, Amapá, Brazil
| | - Lilia Gonzalez-Ceron
- Regional Centre for Public Health Research, National Institute for Public Health, Tapachula, Chiapas, Mexico
| | - Jimee Hwang
- U.S. President's Malaria Initiative, Malaria Branch, U.S. Centers for Disease Control and Prevention, Atlanta, GA, USA
- Global Health Group, University of California San Francisco, San Francisco, USA
| | - Harin Karunajeewa
- Department of Medicine-Western Health, Melbourne Medical School, The University of Melbourne, St. Albans, VIC, Australia
| | - Marcus V G Lacerda
- Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Manaus, Brazil
- Instituto Leônidas & Maria Deane, Fiocruz, Manaus, Brazil
- University of Texas Medical Branch, Galveston, USA
| | - Simone Ladeia-Andrade
- Laboratory of Parasitic Diseases, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
- Global Health and Tropical Medicine, Institute of Hygiene and Tropical Medicine, Nova University of Lisbon, Lisbon, Portugal
| | - Toby Leslie
- Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
- HealthNet-TPO, Kabul, Afghanistan
| | - Benedikt Ley
- Global Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, NT, Australia
| | - Kartini Lidia
- Department of Pharmacology and Therapy, Faculty of Medicine and Veterinary Medicine, Universitas Nusa Cendana, Kupang, Indonesia
| | - Alejandro Llanos-Cuentas
- Unit of Leishmaniasis and Malaria, Instituto de Medicina Tropical "Alexander Von Humboldt", Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Rhea J Longley
- Mahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Population Health and Immunity Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
- Department of Medical Biology, University of Melbourne, Melbourne, Australia
| | | | - Dhelio B Pereira
- Centro de Pesquisa Em Medicina Tropical de Rondonia (CEPEM), Porto Velho, Brazil
- Fundação Universidade Federal de Rondonia (UNIR), Porto Velho, Brazil
| | - Komal Raj Rijal
- Central Department of Microbiology, Tribhuvan University, Kirtipur, Kathmandu, Nepal
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Kavitha Saravu
- Department of Infectious Diseases, Kasturba Medical College Manipal, Manipal Academy of Higher Education, Madhava Nagar, Manipal, Karnataka, India
- Manipal Centre for Infectious Diseases, Prasanna School of Public Health, Manipal Academy of Higher Education, Madhava Nagar, Manipal, Karnataka, India
| | - Inge Sutanto
- Department of Parasitology, Faculty of Medicine, University of Indonesia, Jakarta, Indonesia
| | - Walter R J Taylor
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, Oxford University, Oxford, UK
| | - Pham Vinh Thanh
- National Institute of Malariology, Parasitology and Entomology, Hanoi, Vietnam
| | - Kamala Thriemer
- Global Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, NT, Australia
| | - José Luiz F Vieira
- Federal University of Pará, Universidade Federal Do Pará - UFPA), Belém, Pará, Brazil
| | - Nicholas J White
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, Oxford University, Oxford, UK
| | - Lina M Zuluaga-Idarraga
- Grupo Malaria, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
- Facultad Nacional de Salud Publica, Universidad de Antioquia, Medellín, Colombia
| | - Philippe J Guerin
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, Oxford University, Oxford, UK
- WorldWide Antimalarial Resistance Network (WWARN), Oxford, UK
- Infectious Diseases Data Observatory (IDDO), Oxford, UK
| | - Ric N Price
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, Oxford University, Oxford, UK
- Global Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, NT, Australia
- WorldWide Antimalarial Resistance Network (WWARN), Asia-Pacific Regional Centre, Darwin, NT, Australia
| | - Julie A Simpson
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
- WorldWide Antimalarial Resistance Network (WWARN), Asia-Pacific Regional Centre, Darwin, NT, Australia
| | - Robert J Commons
- Global Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, NT, Australia.
- WorldWide Antimalarial Resistance Network (WWARN), Asia-Pacific Regional Centre, Darwin, NT, Australia.
- General and Subspecialty Medicine, Grampians Health - Ballarat, Ballarat, Australia.
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