Publications by authors named "Gogtay N"

Background: Meningococcal disease remains an important public health problem globally. We assessed the non-inferiority and the lot-to-lot consistency of a pentavalent meningococcal ACYWX conjugate vaccine (NmCV-5; Serum Institute of India, Pune, India) versus a quadrivalent meningococcal ACWY conjugate vaccine (MenACWY-D) in healthy adults.

Methods: In this observer-blind, randomised, active-controlled, phase 2/3 study, healthy adults aged 18-85 years were recruited from nine hospitals across seven cities in India.

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AZD1222 (ChAdOx1 nCoV-19) is a replication-deficient adenoviral vectored coronavirus disease-19 (COVID-19) vaccine that is manufactured as SII-ChAdOx1 nCoV-19 by the Serum Institute of India Pvt Ltd following technology transfer from Oxford University/AstraZeneca. The non-inferiority of SII-ChAdOx1 nCoV-19 with AZD1222 was previously demonstrated in an observer-blind, phase 2/3 immuno-bridging study (trial registration: CTRI/2020/08/027170). In this analysis of immunogenicity and safety data 6 months post first vaccination (Day 180), 1,601 participants were randomized 3:1 to SII-ChAdOx1 nCoV-19 or AZD1222 (immunogenicity/reactogenicity cohort  = 401) and 3:1 to SII-ChAdOx1 nCoV-19 or placebo (safety cohort  = 1,200).

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Article Synopsis
  • Low-dose emicizumab has the potential to be a cost-effective treatment for hemophilia A, particularly beneficial in developing countries.
  • A study compared the safety and efficacy of low-dose emicizumab (3 mg/kg monthly) against low-dose factor VIII prophylaxis (10-20 IU/kg twice a week) in two groups of patients.
  • Results showed that low-dose emicizumab resulted in significantly better outcomes in various measures, with similar treatment costs compared to low-dose FVIII, making it a promising option for improving access to hemophilia treatment.
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Background Treating beta-thalassaemia major may entail high costs with considerable out-of-pocket expenditure. Therefore, determination and valuation of the economic costs of a common haemoglobinopathy such as beta-thalassaemia major in India may provide insights to evolve policies for reduction or elimination of the disease. We estimated economic burden of beta-thalassaemia major in Mumbai in terms of cost to the family and the healthcare system.

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Human paraoxonase 1 (PON1) enzyme protects against atherosclerosis by preventing low-density lipoprotein from oxidative modification. Upregulation of PON1 enzymatic activity is suggested to contribute to atheroprotective potential of statins. Glutamine (Q) to arginine (R) at site 192 and leucine (L) to methionine (M) substitution at site 55 polymorphisms influence the PON1 activity.

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Article Synopsis
  • Cannabis is an ancient plant used recreationally, but it also contains two key compounds: delta-9-tetrahydrocannabinol (psychoactive) and cannabidiol (non-psychoactive), with diverse legal statuses across different countries.
  • * Recent changes in cannabis policies worldwide have led to approved medical uses, such as for multiple sclerosis and Dravet syndrome, but India is still developing its understanding and guidelines for clinical trials involving cannabis.
  • * Ethical research in clinical trials for cannabis faces challenges due to a lack of regulatory frameworks, putting pressure on Institutional Ethics Committees and principal investigators to navigate uncharted territory, leading to delays in research progress.*
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Objectives: To estimate the economic burden of patients diagnosed with Gaucher disease at a public hospital from a societal perspective.

Methods: Data from 30 Gaucher patients visiting the Genetic Clinic of the Department of Pediatrics at the study site in Mumbai was analyzed between January 2019 and January 2021. A cost of illness analysis was undertaken to estimate direct, indirect and intangible costs.

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Introduction: The institutional ethics committees (IECs) raise queries following protocol reviews. The quality of these queries would be a useful metric to assess how well the IEC executes its fundamental role of protecting participants.

Methods: Queries received after the initial review and replies sent by a single research department were evaluated.

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Background: The 1983 US Orphan Drug Act provided impetus for the development of new therapies for rare diseases. Several studies focused on the number of orphan designations over time. However, very few focused on clinical trials that lead to their approval, particularly for infectious diseases.

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Background And Objectives: Students with borderline intellectual functioning ("slow learners") underperform in all school subjects. The primary objective of this study was to evaluate the self-perceived anxiety symptoms of slow learners. Its secondary objective was to analyze impact of sociodemographic variables on their symptoms.

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Article Synopsis
  • Kalmegh (Andrographis paniculata) is commonly used in alternative medicine to treat uncomplicated Upper Respiratory Tract Infections, and this study evaluated a standardized extract (AP-Bio®) for its effectiveness.
  • Participants were randomly assigned to receive either 200 mg or 400 mg of AP-Bio® or a placebo for seven days, with the primary focus being on the Wisconsin Upper Respiratory Symptom Survey (WURSS-21) score.
  • Results showed that both dosage groups had significantly lower WURSS-21 scores on Day 3 compared to placebo, indicating a positive effect of AP-Bio®, although some secondary outcomes did not show statistical significance due to limited sample size.
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Background In May 2020, WHO recognized the role of extensive immunization for interrupting the transmission of the SARS-CoV-2 virus. The development of such vaccines in clinical trials relies upon participants who are expected to be vested in the research process. Assessment of participant factors such as motivation and satisfaction are hence important to gauge perspective and ensure successful conduct and completion of these trials.

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Background: NVX-CoV2373, a Covid-19 vaccine was developed in the USA with ∼90% efficacy. The same vaccine is manufactured in India after technology transfer (called as SII-NVX-CoV2373), was evaluated in this phase 2/3 immuno-bridging study.

Methods: This was an observer-blind, randomised, phase 2/3 study in 1600 adults.

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Aims: The primary objective of the present study was to evaluate the economic burden of limited English proficiency (LEP) by estimating its direct, indirect, and intangible costs. A secondary objective was to assess the impact of variables on the economic burden.

Design And Setting: A cross-sectional single-arm descriptive study conducted in a learning disability clinic in a public medical college in Mumbai.

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Objective: To evaluate questions asked during the informed consent process by adult participants in a COVID-19 vaccine regulatory study conducted at our center in 2020.

Methods: After approval by the IEC, informed consent documents and consent narratives were evaluated. We collated the total number and nature of questions.

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Background And Objectives: Students with borderline intellectual functioning ("slow learners") underperform in all school subjects. The primary objective of this study was to evaluate the parental-perceived health-related quality of life (HRQoL) of these students. Its secondary objective was to analyze the impact of sociodemographic variables on their HRQoL.

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The present audit was carried out with the objective of evaluating warning letters (WLs) issued to trial sponsors, clinical investigators and institutional review boards (IRBs) by the United States Food and Drug Administration during a six-year period and compare it with two similar earlier audits. WLs were reviewed and classified as per stakeholders and further categorised as per predefined violation themes. The chi-square test was performed for trend analysis of WLs.

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Article Synopsis
  • Healthcare workers in India were given a specific hydroxychloroquine (HCQ) dosage regimen as a preventive measure against COVID-19, but there was a lack of comprehensive data on how this drug behaves in their population.* -
  • A multicentric study involved 121 participants providing multiple blood samples to analyze HCQ concentrations, using advanced lab techniques for accurate measurement and pharmacokinetic modeling.* -
  • The findings indicated that the existing dosage regimen resulted in drug levels below the effective threshold, leading to a recommendation for a new weight-based dosage to ensure sufficient HCQ concentrations.*
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