10 results on '"Okiror, William"'
Search Results
2. Nutritional supplementation in children with severe pneumonia in Uganda and Kenya (COAST-Nutrition): a phase 2 randomised controlled trial
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Kiguli, Sarah, Olupot-Olupot, Peter, Hamaluba, Mainga, Giallongo, Elisa, Thomas, Karen, Alaroker, Florence, Opoka, Robert O., Tagoola, Abner, Oyella, Shela, Nalwanga, Damalie, Nabawanuka, Eva, Okiror, William, Nakuya, Margaret, Amorut, Denis, Muhindo, Rita, Ayub Mpoya, Mnjalla, Hellen, Oguda, Emmanuel, Williams, Thomas N., Harrison, David A., Rowan, Kathy, Briend, Andre, and Maitland, Kathryn
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- 2024
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3. Unusual clinical spectra of childhood severe malaria during malaria epidemic in eastern Uganda: a prospective study
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Namayanja, Cate, Eregu, Egiru Emma Isaiah, Ongodia, Paul, Okalebo, Charles Benard, Okiror, William, Okello, Francis, Okibure, Ambrose, Paasi, George, Kakungulu, Hellen, Grace, Abongo, Muhindo, Rita, Banks, Duncan, Martin, Chebet, Taylor-Robinson, Simon, and Olupot-Olupot, Peter
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- 2023
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4. Training for Pediatric Cardiac and Pulmonary Point of Care Ultrasound in Eastern Uganda
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Schmidt, Jessica, Chiu, Arthur, Okiror, William, Kolkowitz, Ilan, Svenson, James E., and Olupot-Olupot, Peter
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- 2022
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5. Legume-supplemented feed for children hospitalised with severe malnutrition: a phase II trial.
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Walsh, Kevin, Kiosa, Akglinta, Olupot-Olupot, Peter, Alaroker, Florence, Okiror, William, Nakuya, Margaret, Tssenyondo, Tonny, Aromut, Denis, Okalebo, Bernard Charles, Muhindo, Rita, Mpoya, Ayub, George, Elizabeth C., Frost, Gary S., and Maitland, Kathryn
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ARM circumference ,DIARRHEA ,MALNUTRITION ,RESEARCH funding ,GUT microbiome ,STATISTICAL sampling ,RANDOMIZED controlled trials ,DESCRIPTIVE statistics ,ODDS ratio ,DRUG efficacy ,DIETARY carbohydrates ,CONFIDENCE intervals ,LEGUMES ,DIETARY supplements ,HOSPITAL care of children ,CHILDREN - Abstract
Children hospitalised with severe malnutrition have high mortality and readmission rates post-discharge. Current milk-based formulations target restoring ponderal growth but not the modification of gut barrier integrity or microbiome which increases the risk of gram-negative sepsis and poor outcomes. We propose that legume-based feeds rich in fermentable carbohydrates will promote better gut health and improve overall outcomes. We conducted an open-label phase II trial at Mbale and Soroti Regional Referral Hospitals, Uganda, involving 160 children aged 6 months to 5 years with severe malnutrition (mid-upper arm circumference (MUAC) < 11·5 cm and/or nutritional oedema). Children were randomised to a lactose-free, chickpea-enriched legume paste feed (LF) (n 80) v. WHO standard F75/F100 feeds (n 80). Co-primary outcomes were change in MUAC and mortality to day 90. Secondary outcomes included weight gain (> 5 g/kg/d), de novo development of diarrhoea, time to diarrhoea and oedema resolution. Day 90 MUAC increase was marginally lower in LF v. WHO arm (1·1 cm (interquartile range (IQR) 1·1) v. 1·4 cm (IQR 1·40), P = 0·09); day 90 mortality was similar (11/80 (13·8 %) v. 12/80 (15 %), respectively, OR 0·91 (95 % CI 0·40, 2·07), P = 0·83). There were no differences in any of the other secondary outcomes. Owing to initial poor palatability of the LF, ten children switched to WHO feeds. Per-protocol analysis indicated a trend to lower day 90 mortality and readmission rates in the LF (6/60 (10 %) and 2/60(3 %)) v. WHO feeds (12/71(17·5 %) and 4/71(6 %)). Further refinement of LF and clinical trials are warranted, given the poor outcomes in children with severe malnutrition. [ABSTRACT FROM AUTHOR]
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- 2024
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6. A predictive algorithm for identifying children with sickle cell anemia among children admitted to hospital with severe anemia in Africa.
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Olupot‐Olupot, Peter, Connon, Roisin, Kiguli, Sarah, Opoka, Robert O., Alaroker, Florence, Uyoga, Sophie, Nakuya, Margret, Okiror, William, Nteziyaremye, Julius, Ssenyondo, Tonny, Nabawanuka, Eva, Kayaga, Juliana, Williams Mukisa, Cynthia, Amorut, Denis, Muhindo, Rita, Frost, Gary, Walsh, Kevin, Macharia, Alexander W., Gibb, Diana M., and Walker, A. Sarah
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- 2022
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7. PARIST study protocol: a phase I/II randomised, controlled clinical trial to assess the feasibility, safety and effectiveness of paracetamol in resolving acute kidney injury in children with severe malaria.
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Paasi G, Okalebo CB, Ongodia P, Namayanja C, Eregu EEI, Abongo G, Olupot M, Amorut D, Muhindo R, Okiror W, Ndila C, and Olupot-Olupot P
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- Humans, Child, Acetaminophen therapeutic use, Feasibility Studies, Uganda, Treatment Outcome, Randomized Controlled Trials as Topic, Clinical Trials, Phase I as Topic, Clinical Trials, Phase II as Topic, Malaria drug therapy, Malaria, Falciparum complications, Malaria, Falciparum drug therapy, Acute Kidney Injury drug therapy, Acute Kidney Injury complications
- Abstract
Background: Acute kidney injury (AKI) has in the past been considered a rare complication of malaria in children living in high-transmission settings. More recently, however, a growing number of paediatric case series of AKI in severe malaria studies in African children have been published (Artesunate vs Quinine in the Treatment of Severe P. falciparum Malaria in African children and Fluids Expansion as Supportive Therapy trials). The Paracetamol for Acute Renal Injury in Severe Malaria Trial (PARIST) therefore, aims to assess feasibility, safety and determine the effective dose of paracetamol, which attenuates nephrotoxicity of haemoproteins, red-cell free haemoglobin and myoglobin in children with haemoglobinuric severe malaria., Methods: PARIST is a phase I/II unblinded randomised controlled trial of 40 children aged >6 months and <12 years admitted with confirmed haemoglobinuric severe malaria (blackwater fever), a positive blood smear for P. falciparum malaria and either serum creatinine (Cr) increase by ≥0.3 mg/dL within 48 hours or to ≥1.5 times baseline and elevated blood urea nitrogen (BUN) >20 mg/dL. Children will be randomly allocated on a 1:1 basis to paracetamol intervention dose arm (20 mg/kg orally 6-hourly for 48 hours) or to a control arm to receive standard of care for temperature control (ie, tepid sponging for 30 min if fever persists give rescue treatment). Primary outcome is renal recovery at 48 hours as indicated by stoppage of progression and decrease of Cr level below baseline, BUN (<20 mg/dL). Data analysis will be on the intention-to-treat principle and a per-protocol basis.Results from this phase I/II clinical trial will provide preliminary effectiveness data of this highly potential treatment for AKI in paediatric malaria (in particular for haemoglobinuric severe malaria) for a larger phase III trial., Ethics and Dissemination: Ethical and regulatory approvals have been granted by the Mbale Hospital Institutional Ethics Review Committee (MRRH-REC OUT 002/2019), Uganda National Council of Science and Technology (UNCST-HS965ES) and the National drug Authority (NDA-CTC 0166/2021). We will be disseminating results through journals, conferences and policy briefs to policy makers and primary care providers., Trial Registration Number: ISRCTN84974248., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2023
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8. Pharmacokinetics and pharmacodynamics of azithromycin in severe malaria bacterial co-infection in African children (TABS-PKPD): a protocol for a Phase II randomised controlled trial.
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Olupot-Olupot P, Okiror W, Mnjalla H, Muhindo R, Uyoga S, Mpoya A, Williams TN, terHeine R, Burger DM, Urban B, Connon R, George EC, Gibb DM, Walker AS, and Maitland K
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Background: African children with severe malaria are susceptible to Gram-negative bacterial co-infection, largely non-typhoidal Salmonellae, leading to a substantially higher rates of in-hospital and post-discharge mortality than those without bacteraemia. Current evidence for treating co-infection is lacking, and there is no consensus on the dosage or length of treatment required. We therefore aimed to establish the appropriate dose of oral dispersible azithromycin as an antimicrobial treatment for children with severe malaria and to investigate whether antibiotics can be targeted to those at greatest risk of bacterial co-infection using clinical criteria alone or in combination with rapid diagnostic biomarker tests. Methods: A Phase I/II open-label trial comparing three doses of azithromycin: 10, 15 and 20 mg/kg spanning the lowest to highest mg/kg doses previously demonstrated to be equally effective as parenteral treatment for other salmonellae infection. Children with the highest risk of bacterial infection will receive five days of azithromycin and followed for 90 days. We will generate relevant pharmacokinetic data by sparse sampling during dosing intervals. We will use population pharmacokinetic modelling to determine the optimal azithromycin dose in severe malaria and investigate azithromycin exposure to change in C-reactive protein, a putative marker of sepsis at 72 hours, and microbiological cure (seven-day), alone and as a composite with seven-day survival. We will also evaluate whether a combination of clinical, point-of-care diagnostic tests, and/or biomarkers can accurately identify the sub-group of severe malaria with culture-proven bacteraemia by comparison with a control cohort of children hospitalized with severe malaria at low risk of bacterial co-infection. Discussion : We plan to study azithromycin because of its favourable microbiological spectrum, its inherent antimalarial and immunomodulatory properties and dosing and safety profile. This study will generate new data to inform the design and sample size for definitive Phase III trial evaluation. Registration: ISRCTN49726849 (27
th October 2017)., Competing Interests: No competing interests were disclosed., (Copyright: © 2023 Olupot-Olupot P et al.)- Published
- 2023
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9. Characterising demographics, knowledge, practices and clinical care among patients attending sickle cell disease clinics in Eastern Uganda.
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Olupot-Olupot P, Wabwire H, Ndila C, Adong R, Ochen L, Amorut D, Abongo G, Okalebo CB, Akello SR, Oketcho JB, Okiror W, Asio S, Odiit A, Alaroker F, Nyutu G, Maitland K, and Williams TN
- Abstract
Background : In Uganda to date, there are neither established registries nor descriptions of facility-based sickle cell disease (SCD) patient characteristics beyond the central region. Here, we summarize data on the baseline clinical characteristics and routine care available to patients at four clinics in Eastern Uganda as a prelude to a clinical trial. Methods : Between February and August 2018, we conducted a cross-sectional survey of patients attending four SCD clinics in Mbale, Soroti, Atutur and Ngora, all in Eastern Uganda, the planned sites for an upcoming clinical trial (H-PRIME: ISRCTN15724013). Data on socio-demographic characteristics, diagnostic methods, clinic schedules, the use of prophylactic and therapeutic drugs, clinical complications and patient understanding of SCD were collected using a structured questionnaire. Results : Data were collected on 1829 patients. Their ages ranged from 0 to 64 years with a median (IQR) of 6 (3-11) years. 49.1% of participants were male. The majority (1151; 62.9%) reported a positive family history for SCD. Approximately half knew that SCD is inherited from both parents but a substantial proportion did not know how SCD is transmitted and small numbers believed that it is acquired by either transfusion or from other people. Only 118/1819 (6.5%) participants had heard about or were using hydroxyurea while 356/1794 (19.8%) reported stigmatization. Participants reported a median of three (IQR 1-4) hospital admissions during the preceding 12 months; 80.8% had been admitted at least once, while 14.2% had been admitted more than five times. Pain was the most common symptom, while 83.9% of those admitted had received at least one blood transfusion. Conclusion: The majority of patients attending SCD clinics in Eastern Uganda are children and few are currently being treated with hydroxyurea. The data collected through this facility-based survey will provide background data that will be useful in planning for the H-PRIME trial., Competing Interests: No competing interests were disclosed., (Copyright: © 2020 Olupot-Olupot P et al.)
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- 2020
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10. M odifying I ntestinal Integrity and M icro B iome in Severe Malnutrition with Le gume-Based Feeds (MIMBLE 2.0): protocol for a phase II refined feed and intervention trial.
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Walsh K, Calder N, Olupot-Olupot P, Ssenyondo T, Okiror W, Okalebo CB, Muhindo R, Mpoya A, Holmes E, Marchesi J, Delamare de la Villenaise de Chenevarin G, Frost G, and Maitland K
- Abstract
Background: Changes in intestinal mucosal integrity and gut microbial balance occur in severe acute malnutrition (SAM), resulting in treatment failure and adverse clinical outcomes (gram-negative sepsis, diarrhoea and high case-fatality). Transient lactose intolerance, due to loss of intestinal brush border lactase, also complicates SAM, thus milk based feeds may not be optimal for nutritional rehabilitation. Since the gut epithelial barrier can be supported by short chain fatty acids, derived from microbiota fermentation by particular fermentable carbohydrates, we postulated that an energy-dense nutritional feed comprising of legume-based fermentable carbohydrates, incorporated with lactose-free versions of standard World Health Organization (WHO) F75/F100 nutritional feeds will enhance epithelial barrier function in malnourished children, reduce and promote resolution of diarrhoea and improve overall outcome. Methods: We will investigate in an open-label trial in 160 Ugandan children with SAM, defined by mid-upper arm circumference <11.5cm and/or presence of kwashiorkor. Children will be randomised to a lactose-free, chickpea-enriched feed containing 2 kcal/ml, provided in quantities to match usual energy provision (experimental) or WHO standard treatment F75 (0.75 kcal/ml) and F100 (1 kcal/ml) feeds on a 1:1 basis, conducted at Mbale Regional Referral Hospital nutritional rehabilitation unit. The primary outcomes are change in MUAC at day 90 and survival to day 90. Secondary outcomes include: i) moderate to good weight gain (>5 g/kg/day), ii) de novo development of diarrhoea (>3 loose stools/day), iii) time to diarrhoea resolution (if >3 loose stools/day), and iv) time to oedema resolution (if kwashiorkor) and change in intestinal biomarkers (faecal calprotectin). Discussion: We hypothesize that, if introduced early in the management of malnutrition, such lactose-free, fermentable carbohydrate-based feeds, could safely and cheaply improve global outcome by reducing lactose intolerance-related diarrhoea, improving mucosal integrity and enhancing immunity, and limiting the risk of systemic infection and associated broad-spectrum antibiotic resistance. Registration: ISRCTN 10309022., Competing Interests: No competing interests were disclosed.
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- 2018
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