Gestational Sulfadoxine-pyrimethamine and Azithromycin Treatment to Prevent Preterm Birth
NCT ID: NCT00131235
Last Updated: 2025-03-25
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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ACTIVE_NOT_RECRUITING
PHASE3
1320 participants
INTERVENTIONAL
2003-12-31
2027-12-31
Brief Summary
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Detailed Description
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A total of 1320 consenting women who present at a rural antenatal clinic after 14 but before 26 completed gestation weeks will be enrolled. One third of the women will receive antenatal care according to national recommendations, including regular visits to health centre, screening for pregnancy complications, haematinic and vitamin A supplementation and two doses of presumptive malaria treatment with sulfadoxine-pyrimethamine. Another third will receive otherwise the same care, but sulfadoxine-pyrimethamine treatment is given at monthly intervals. The final third receives standard antenatal care, sulfadoxine-pyrimethamine treatment at monthly intervals and two doses of presumptive STI treatment with azithromycin. Women are monitored throughout pregnancy and delivery and newborn growth will be followed up for five years.
The primary outcome measure is proportion of preterm births in the three study groups. Secondary maternal outcomes include anaemia and malaria parasitaemia during pregnancy, at delivery and at 1, 3, and 6 months after delivery, gestational weight gain and morbidity and STI prevalence after delivery. Secondary child outcomes consist of proportion of babies with low birth weight, mean birth weight, growth in infancy and childhood, incidence of malnutrition in infancy and childhood, and mortality. Additionally, information is collected on the development of malaria-specific humoral immunity in pregnancy and participant experiences from the study. Participant safety is systematically monitored throughout the intervention.
There have been two edits two the trial protocol, since the original approval. In the first one, there was an amendment to follow child growth and mortality until and child development at 5 years of age, with visits at 1, 3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 48, and 60 months. In the second amendment, there was an addition to monitor child antropometrics, physical, mental, and social health at and mortality by 10-12 years of age.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
SINGLE
Study Groups
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Control
Standard antenatal care as described in intervention
Sulfadoxine-pyrimethamine treatment twice during pregnancy
Sulfadoxine-pyrimethamine, 3 tablets (each containing 500mg of sulfadoxine and 25mg of pyrimethamine), taken once at antenatal care enrolment (14.0-25.9 gestation weeks) and another time between 28.0 and 33.9 gestation weeks.
2 placebo tablets for azithromycin taken at the same time points.
Monthly SP
Standard antenatal care + monthly intermittent presumptive treatment of malaria with sulfadoxine pyrimethamine, as described in intervention
Sulfadoxine-pyrimethamine at 4-week intervals
Sulfadoxine-pyrimethamine, 3 tablets (each containing 500mg of sulfadoxine and 25mg of pyrimethamine), taken once at antenatal care enrolment (14.0-25.9 gestation weeks) and then at 4 week intervals until 37.0 gestation weeks.
2 placebo tablets for azithromycin taken once at antenatal care enrolment (14.0-25.9 gestation weeks) and another time between 28.0 and 33.9 gestation weeks.
AZI-SP
Standard antenatal care + monthly intermittent presumptive treatment of malaria with sulfadoxine pyrimethamine + two presumptive treatments of sexually transmitted infections and malaria with azithromycin, as described in intervention
Sulfadoxine-pyrimethamine every 4 weeks + azithromycin twice
Sulfadoxine-pyrimethamine, 3 tablets (each containing 500mg of sulfadoxine and 25mg of pyrimethamine), taken once at antenatal care enrolment (14.0-25.9 gestation weeks) and then at 4 week intervals until 37.0 gestation weeks.
2 azithromycin tablets (each 500 mg) taken once at antenatal care enrolment (14.0-25.9 gestation weeks) and another time between 28.0 and 33.9 gestation weeks.
Interventions
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Sulfadoxine-pyrimethamine treatment twice during pregnancy
Sulfadoxine-pyrimethamine, 3 tablets (each containing 500mg of sulfadoxine and 25mg of pyrimethamine), taken once at antenatal care enrolment (14.0-25.9 gestation weeks) and another time between 28.0 and 33.9 gestation weeks.
2 placebo tablets for azithromycin taken at the same time points.
Sulfadoxine-pyrimethamine at 4-week intervals
Sulfadoxine-pyrimethamine, 3 tablets (each containing 500mg of sulfadoxine and 25mg of pyrimethamine), taken once at antenatal care enrolment (14.0-25.9 gestation weeks) and then at 4 week intervals until 37.0 gestation weeks.
2 placebo tablets for azithromycin taken once at antenatal care enrolment (14.0-25.9 gestation weeks) and another time between 28.0 and 33.9 gestation weeks.
Sulfadoxine-pyrimethamine every 4 weeks + azithromycin twice
Sulfadoxine-pyrimethamine, 3 tablets (each containing 500mg of sulfadoxine and 25mg of pyrimethamine), taken once at antenatal care enrolment (14.0-25.9 gestation weeks) and then at 4 week intervals until 37.0 gestation weeks.
2 azithromycin tablets (each 500 mg) taken once at antenatal care enrolment (14.0-25.9 gestation weeks) and another time between 28.0 and 33.9 gestation weeks.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Age \>= 15 years
* Ultrasound confirmed pregnancy
* Quickening
* Foetal age 14-26 gestation weeks
* Maternal availability for follow-up during the entire study period
Exclusion Criteria
* Any severe acute illness warranting hospital referral at enrollment visit
* Mental disorder that may affect comprehension of the study or success of follow-up
* Twin pregnancy
* Pregnancy complications evident at enrollment visit (moderate to severe oedema, blood hemoglobin \[Hb\] concentration \< 50 g/l, systolic blood pressure \[BP\] \> 160 mmHg or diastolic BP \> 100 mmHg)
* Prior receipt of azithromycin during this pregnancy
* Receipt of sulfadoxine and pyrimethamine within 28 days of enrollment
* Known allergy to drugs containing sulfonamides, macrolides or pyrimethamine
* History of anaphylaxis
* History of any serious allergic reaction to any substance, requiring emergency medical care
* Concurrent participation in any other clinical trial
15 Years
FEMALE
Yes
Sponsors
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Academy of Finland
OTHER
Foundation for Paediatric Research, Finland
OTHER
Tampere University
OTHER
Responsible Party
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Per Ashorn
Professor of Pediatrics
Principal Investigators
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Per Ashorn, MD, PhD
Role: STUDY_DIRECTOR
Tampere University, Faculty of Medicine and Health Technology
Kenneth M Maleta, MBBS, PhD
Role: PRINCIPAL_INVESTIGATOR
Kamuzu University of Health Sciences
Locations
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College of Medicine, University of Malawi
Mangochi, Mangochi District, Malawi
Countries
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References
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Kayentao K, Garner P, van Eijk AM, Naidoo I, Roper C, Mulokozi A, MacArthur JR, Luntamo M, Ashorn P, Doumbo OK, ter Kuile FO. Intermittent preventive therapy for malaria during pregnancy using 2 vs 3 or more doses of sulfadoxine-pyrimethamine and risk of low birth weight in Africa: systematic review and meta-analysis. JAMA. 2013 Feb 13;309(6):594-604. doi: 10.1001/jama.2012.216231.
Hallamaa L, Cheung YB, Maleta K, Luntamo M, Ashorn U, Gladstone M, Kulmala T, Mangani C, Ashorn P. Child Health Outcomes After Presumptive Infection Treatment in Pregnant Women: A Randomized Trial. Pediatrics. 2018 Mar;141(3):e20172459. doi: 10.1542/peds.2017-2459.
Luntamo M, Kulmala T, Mbewe B, Cheung YB, Maleta K, Ashorn P. Effect of repeated treatment of pregnant women with sulfadoxine-pyrimethamine and azithromycin on preterm delivery in Malawi: a randomized controlled trial. Am J Trop Med Hyg. 2010 Dec;83(6):1212-20. doi: 10.4269/ajtmh.2010.10-0264.
Rantala AM, Taylor SM, Trottman PA, Luntamo M, Mbewe B, Maleta K, Kulmala T, Ashorn P, Meshnick SR. Comparison of real-time PCR and microscopy for malaria parasite detection in Malawian pregnant women. Malar J. 2010 Oct 6;9:269. doi: 10.1186/1475-2875-9-269.
Aitken EH, Mbewe B, Luntamo M, Kulmala T, Beeson JG, Ashorn P, Rogerson SJ. Antibody to P. falciparum in pregnancy varies with intermittent preventive treatment regime and bed net use. PLoS One. 2012;7(1):e29874. doi: 10.1371/journal.pone.0029874. Epub 2012 Jan 27.
Aitken EH, Mbewe B, Luntamo M, Maleta K, Kulmala T, Friso MJ, Fowkes FJ, Beeson JG, Ashorn P, Rogerson SJ. Antibodies to chondroitin sulfate A-binding infected erythrocytes: dynamics and protection during pregnancy in women receiving intermittent preventive treatment. J Infect Dis. 2010 May 1;201(9):1316-25. doi: 10.1086/651578.
Luntamo M, Kulmala T, Cheung YB, Maleta K, Ashorn P. The effect of antenatal monthly sulphadoxine-pyrimethamine, alone or with azithromycin, on foetal and neonatal growth faltering in Malawi: a randomised controlled trial. Trop Med Int Health. 2013 Apr;18(4):386-97. doi: 10.1111/tmi.12074. Epub 2013 Feb 22.
Xu J, Luntamo M, Kulmala T, Ashorn P, Cheung YB. A longitudinal study of weight gain in pregnancy in Malawi: unconditional and conditional standards. Am J Clin Nutr. 2014 Feb;99(2):296-301. doi: 10.3945/ajcn.113.074120. Epub 2013 Nov 13.
Lin JT, Mbewe B, Taylor SM, Luntamo M, Meshnick SR, Ashorn P. Increased prevalence of dhfr and dhps mutants at delivery in Malawian pregnant women receiving intermittent preventive treatment for malaria. Trop Med Int Health. 2013 Feb;18(2):175-8. doi: 10.1111/tmi.12028. Epub 2012 Nov 30.
Pons-Duran C, Wassenaar MJ, Yovo KE, Marin-Carballo C, Briand V, Gonzalez R. Intermittent preventive treatment regimens for malaria in HIV-positive pregnant women. Cochrane Database Syst Rev. 2024 Sep 26;9(9):CD006689. doi: 10.1002/14651858.CD006689.pub3.
Videman K, Hallamaa L, Heimonen O, Mangani C, Luntamo M, Maleta K, Ashorn P, Ashorn U. Child growth and neurodevelopment after maternal antenatal antibiotic treatment. Arch Dis Child. 2022 Apr;107(4):323-328. doi: 10.1136/archdischild-2021-322043. Epub 2021 Sep 3.
Luntamo M, Rantala AM, Meshnick SR, Cheung YB, Kulmala T, Maleta K, Ashorn P. The effect of monthly sulfadoxine-pyrimethamine, alone or with azithromycin, on PCR-diagnosed malaria at delivery: a randomized controlled trial. PLoS One. 2012;7(7):e41123. doi: 10.1371/journal.pone.0041123. Epub 2012 Jul 19.
Related Links
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College of Medicine home page
Other Identifiers
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SA-179787-1
Identifier Type: -
Identifier Source: org_study_id
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