Publications by authors named "Supattra Rungmaitree"

Article Synopsis
  • A study was conducted to assess the effectiveness of Tixagevimab-Cilgavimab in immunocompromised children and adolescents weighing between 20 to >40 kg, with two different dosage groups based on weight (300 mg for 20 to <40 kg and 600 mg for ≥40 kg).
  • After measuring antibody levels at multiple time points, results showed that both dosages produced high levels of neutralizing antibodies against the ancestral SARS-CoV-2 strain, significantly surpassing levels in healthy children who had received three BNT162b2 vaccinations.
  • Adverse effects were mild and slightly more common in the heavier dosage group; overall, the study concluded that the lower dosage was just as effective as the higher
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Objective: We studied the transition to dolutegravir-containing antiretroviral therapy (ART) at HIV treatment clinics within the International epidemiology Databases to Evaluate AIDS (IeDEA).

Design: Site-level survey conducted in 2020-2021 among HIV clinics in low- and middle-income countries (LMICs).

Methods: We assessed the status of dolutegravir rollout and viral load and drug resistance testing practices for persons on ART switching to dolutegravir-based regimens.

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Background: Coformulated bictegravir, emtricitabine, and tenofovir alafenamide is a single-tablet regimen and was efficacious and well tolerated in children and adolescents with HIV (aged 6 years to <18 years) in a 48-week phase 2/3 trial. In this study, we report data from children aged at least 2 years and weighing 14 kg to less than 25 kg.

Methods: We conducted this open-label, multicentre, multicohort, single-arm study in South Africa, Thailand, Uganda, and the USA.

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Article Synopsis
  • Transitioning from pediatric to adult healthcare is difficult for adolescents and young adults with perinatally-acquired HIV (AYA-PHIV) in Thailand.
  • A study tracking treatment outcomes found that 93% of 811 eligible AYA-PHIV were alive, averaging 22.3 years old with 16.1 years of treatment; most received care in adult clinics.
  • Among those who died (7%), the majority were from AIDS-related causes, highlighting the need for improved support systems during their transition into adulthood.
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Introduction: There are gaps in knowledge and experience of antiretroviral pre-exposure prophylaxis (PrEP) delivery in adolescents.

Methods: This pilot study enrolled Thai adolescents 14-20 year-old without HIV who reported risk behaviour. All participants were offered daily tenofovir/emtricitabine (TDF-FTC) and followed for 24 weeks.

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Introduction: Human Immunodeficiency Virus (HIV) prevalence among young gender-diverse (a wide range of gender identities for people whose gender identity is different from the sex that they were assigned at birth) individuals is high but testing coverage among this key population remains low. We aim to evaluate strategies for outreach, HIV testing, and linkage to proper management in young men-who-have-had-sex-with-men (MSM, homosexual male) and transgender women (TGW) in Bangkok, Thailand.

Methods: The "YM2M outreach program" consisted of two strategies: 1) online platforms (OP) and 2) physical outreach activities (POA).

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Introduction: Recombinant acellular pertussis (ap) vaccines containing genetically inactivated pertussis toxin (PT) and filamentous hemagglutinin (FHA) with or without tetanus (TT) and diphtheria (DT) vaccines (Td) were found safe and immunogenic in non-pregnant and pregnant women. We report here maternal antibody transfer and safety data in mothers and neonates.

Methods: This is the follow up of a phase 2 trial in 2019 among 400 pregnant women who randomly received one dose of recombinant pertussis-only vaccine containing 1 µg PT and 1 µg FHA (ap1), or Td combined with ap1 (Tdap1), or with 2 µg PT and 5 µg FHA (Tdap2), or with 5 µg PT and 5 µg FHA (TdaP5 Boostagen®, BioNet, Thailand) or chemically-inactivated acellular pertussis comparator (Tdap8 Boostrix™, GSK, Belgium), either in the second or third trimester of gestation.

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Background: IMPAACT 2014 study is a phase I/II, multicenter, open-label, nonrandomized study of doravirine (DOR) co-formulated with lamivudine (3TC) and tenofovir disoproxil fumarate (TDF) as fixed-dose combination (DOR FDC) in adolescents with HIV-1. We report the efficacy, safety, and tolerability of DOR FDC through 96 weeks.

Methods: Participants were adolescents aged 12 to <18 years who weighed at least 45 kg and who were either antiretroviral (ARV)-naïve or virologically suppressed without documented resistance mutations to DOR/3TC/TDF.

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Article Synopsis
  • A study analyzed COVID-19 severity in hospitalized children across nine countries, focusing on the impact of different SARS-CoV-2 variants over time.
  • It found that children younger than 5 years showed a decrease in ICU admissions during the Omicron wave compared to the earlier variants, but ventilatory support needs remained unchanged.
  • In older children (5 to <18 years), there was a significant decrease in ICU admissions, ventilatory support, and oxygen therapy requirements as new variants emerged.
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Objective: To evaluate immunogenicity and safety of heterologous COVID-19 primary vaccination regimens of CoronaVac with fractional and standard BNT162b2 dosages in 5-11-year-old Thai children.

Methods: This prospective, multicenter, double-blind, randomized control trial divided participants 1:1:1:1 to receive a second dose of either standard (10-μg) or half-dose (5-μg) BNT162b2 vaccines as follows: CoronaVac/10-μg-BNT162b2 (Group 1), CoronaVac/5-μg-BNT162b2 (Group 2), 10-μg-BNT162b2/10-μg-BNT162b2 (Group 3), or 10-μg-BNT162b2/5-μg-BNT162b2 (Group 4). A subset of participants from each arm received 10-μg-BNT162b2 booster (third) doses 16 weeks after their second vaccination.

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This open-labeled non-inferiority trial evaluated immunogenicity and reactogenicity of heterologous and homologous COVID-19 vaccination schedules in pregnant Thai women. 18-45-year-old pregnant women with no history of COVID-19 infection or vaccination and a gestational age of ≥12 weeks were randomized 1:1:1 into three two-dose primary series scheduled 4 weeks apart: BNT162b2-BNT162b2 (Group 1), ChAdOx1-BNT162b2 (Group 2), and CoronaVac-BNT162b2 (Group 3). Serum antibody responses, maternal and cord blood antibody levels at delivery, and adverse events (AEs) following vaccination until delivery were assessed.

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Introduction: Despite a decrease in infections caused by Bordetella pertussis due to COVID-19 pandemic, booster vaccination of pregnant women is still recommended to protect newborns. Highly immunogenic vaccines containing genetically inactivated pertussis toxin (PT) and filamentous hemagglutinin (FHA) may generate comparable anti-PT antibody concentrations, even at lower doses, to chemically inactivated acellular pertussis vaccines (Tdap) shown effective for maternal immunization.

Methods: This phase 2 randomized, observer-blind, active-controlled non-inferiority trial was conducted in healthy Thai pregnant women randomly assigned to receive one dose of low-dose recombinant pertussis-only vaccine containing 1 µg PT and 1 µg FHA (ap1), or tetanus, reduced-dose diphtheria combined with ap1 (Tdap1), or combined with 2 µg PT and 5 µg FHA (Tdap2), or with 5 µg PT and 5 µg FHA (TdaP5, Boostagen®) or comparator containing 8 µg of chemically inactivated pertussis toxoid, 8 µg FHA, and 2.

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Background: This study investigated the immunogenicity and safety of a fully liquid, hexavalent, diphtheria (D)-tetanus (T)-whole-cell pertussis (wP)-inactivated poliovirus (IPV)-hepatitis B (HB)- Haemophilus influenzae b (PRP-T) vaccine compared to licensed DTwP-HB-PRP~T, IPV, and bivalent oral poliovirus (bOPV) vaccines following co-administration with other pediatric vaccines [pneumococcal conjugate vaccine (PCV13) and rotavirus vaccine].

Methods: Phase III, randomized, open-label study in Thailand. Healthy infants received DTwP-IPV-HB-PRP~T at 2, 4 and 6 months of age (N = 228), or DTwP-HB-PRP~T and bOPV (2, 4 and 6 months of age) and IPV (4 months of age) (N = 231).

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Adolescents and young adults with HIV (AYHIV) are at high-risk of loss to follow up and virologic failure, particularly during transition from pediatric to adult clinics. We reviewed the medical records of AYHIV to characterize retention and virologic suppression following their transition. 101 AYHIV, 97% perinatally infected, were transferred at the median age of 20 (IQR: 19-21) years.

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Background: Postoperative infection contributes to the worsening of congenital cardiac surgery (CCS) outcomes. Surgical site infection (SSI), bloodstream infection (BSI) and ventilator associated pneumonia (VAP) are common. An additional bundle of preventive measures against central-line associated bloodstream infection (CLABSI) bundle was implemented in April 2019.

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Background: We studied the pharmacokinetics (PK) and safety of 100-mg doravirine and doravirine/lamivudine/tenofovir disoproxil fumarate fixed-dose combination (100/300/300 mg DOR FDC) treatment in adolescents with HIV-1.

Methods: Adolescents ages 12 to younger than 18 years were enrolled in 2 sequential cohorts. Cohort 1 evaluated intensive PK and short-term safety of 100-mg single-dose doravirine in adolescents ≥35 kg.

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Objectives: Implementing a single-dose empirical antibiotic (SDEA) strategy at the emergency department (ED) in children with suspected sepsis may improve outcomes. We aim to evaluate the outcomes of the SDEA strategy for children with suspected sepsis at the ED in a tertiary care center in Bangkok.

Methods: Children who met the predefined checklist screening criteria for suspected sepsis were administered single-dose intravenous cefotaxime 100 mg/kg, or meropenem 40 mg/kg if they were immunocompromised or recently hospitalized.

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Integrative mental health care in HIV patients is an important contributor to successful therapy. This is a cross-sectional study in youth and young adults who attend routine HIV clinic at a tertiary care centre in Bangkok. We recruited 100 youth and 130 young adults living with HIV to evaluate the frequency of depression and anxiety and associated sociodemographic including sexual orientation and health-related behaviours.

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HIV-infected patients are at increased risk of human papillomavirus (HPV) acquisition and HPV-associated diseases. This study set out to determine whether a two-dose (2D) HPV vaccination schedule was sufficient in HIV-infected adolescents with immune reconstitution (IR) following antiretroviral treatment. Participants aged 9-15 years who had CD4 cell counts > 500 cells/mm and HIV-1 RNA < 40 copies/mL for at least one year were assigned to the 2D schedule, while older participants or those without IR received a three-dose (3D) schedule.

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Background: A phase 2 randomized-controlled safety and immunogenicity trial evaluating different doses of recombinant acellular pertussis vaccine containing genetically-inactivated pertussis toxin (PT) was conducted in women of childbearing age in Thailand to identify formulations to advance to a trial in pregnant women.

Methods: A total of 250 women were randomized 1:1:1:1:1 to receive one dose of one of three investigational vaccines including low-dose recombinant pertussis-only vaccine containing 1 μg PT and 1 μg FHA (ap1), tetanus, reduced-dose diphtheria (Td) combined to ap1 (Tdap1) or combined to recombinant pertussis containing 2 μg PT and 5 μg FHA (Tdap2), or one dose of licensed recombinant TdaP vaccine containing 5 μg PT and 5 μg FHA (Boostagen®, TdaP5) or licensed Tdap vaccine containing 8 μg of chemically inactivated pertussis toxoid (PT), 8 μg FHA, and 2.5 μg pertactin (PRN) (Boostrix, Tdap8).

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Background: Invasive fungal diseases (IFDs) are common and contribute to mortality in patients undergoing hematopoietic stem cell transplantation (HSCT). The relative efficacies of posaconazole (POS) and fluconazole (FLU) as primary antifungal prophylaxes are uncertain.

Methods: A retrospective study was performed on children treated with allogeneic HSCT who received POS or FLU during the early neutropenic period.

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Introduction: Early initiation of combination antiretroviral therapy (ART) with long-term viral suppression may lead to seronegativity in grown-up children with perinatally acquired HIV (PHIV). This study aimed to determine the frequency and associated factors of seronegativity in Thai children, adolescents and young adults with PHIV.

Methods: A cross-sectional HIV serological study was performed in children, adolescents and young adults two years or older who were receiving ART with undetectable HIV-RNA for at least one year from August 2018 to August 2019.

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Background: Lipodystrophy is common in HIV-infected patients receiving protease inhibitors (PIs), stavudine, and zidovudine. Adipocytokines may be altered in lipodystrophy. We evaluated risk factors, adipocytokine levels, insulin resistance, and lipid profiles in HIV-infected adolescents with different lipodystrophy types.

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