Publications by authors named "Tuphan K Dolai"

Sickle cell disease (SCD) with vaso-occlusive pain crisis (VOC) significantly impacts patient well-being and often results in extensive healthcare resource utilization. This study assessed the VOC burden, its management and its impact on patients' quality of life (QoL). A cross-sectional observational study was conducted between November 2021 and June 2022, including 1000 SCD patients from high-prevalence states in India.

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Background: India has the most significant number of children with thalassemia major worldwide, and about 10,000-15,000 children with the disease are born yearly. Scaling up e-health initiatives in rural areas using a cost-effective digital tool to provide healthcare access for all sections of people remains a challenge for government or semi-governmental institutions and agencies.

Methods: We compared the performance of a recently developed formula SCS[Formula: see text] and its web application SUSOKA with 42 discrimination formulae presently available in the literature.

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Introduction: Emicizumab is the initial subcutaneously administered bispecific antibody approved as a prophylactic treatment for patients with haemophilia A (PwHA).

Aim: This study assessed the economic evaluation of emicizumab treatment for non-inhibitor severe haemophilia A (HA) patients in India.

Methods: A Markov model evaluated the cost-effectiveness of emicizumab prophylaxis compared to on-demand therapy (ODT), low-dose prophylaxis (LDP; 1565 IU/kg/year), intermediate-dose prophylaxis (IDP; 3915 IU/kg/year) and high-dose prophylaxis (HDP; 7125 IU/kg/year) for HA patients without factor VIII inhibitors.

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Malaria prevalence has become medically important and a socioeconomic impediment for the endemic regions, including Purulia, West Bengal. Geo-environmental variables, humidity, altitude, and land use patterns are responsible for malaria. For surveillance of the endemic nature of Purulia's blocks, statistical and spatiotemporal factors analysis have been done here.

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Aplastic anemia (AA) is a rare immunologically mediated bone marrow failure syndrome, characterized by progressive loss of hematopoietic stem cells resulting in peripheral pancytopenia. Elaborative investigation including molecular tests is required to exclude inherited bone marrow failure syndrome (IMBFS) as the treatment and prognosis vary dramatically between them. Haematopoietic stem cell transplant with a fully matched sibling donor (MSD-HSCT) is still the only curative treatment.

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Introduction: Currently, there are no guidelines for the management of B-cell lineage acute lymphoblastic leukemia (B-ALL) from an Indian perspective. The diagnostic workup, monitoring, and treatment of B-ALL vary among different physicians and institutes.

Objective: To develop evidence-based practical consensus recommendations for the management of B-ALL in Indian settings.

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Purpose: Very few studies have demonstrated the rituximab biosimilarity in terms of efficacy, safety, pharmacokinetics, pharmacodynamics, and immunogenicity in patients with diffuse large B-cell lymphoma (DLBCL) in India. Therefore, we compared the efficacy, safety, pharmacokinetic, pharmacodynamic, and immunogenicity of our biosimilar rituximab with the reference rituximab (Ristova, Roche products [India] Pvt. Ltd) in patients with DLBCL in India.

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Purpose: Autologous stem cell transplantation (ASCT) is an established therapy for many hematological diseases. This study assessed the pattern of ASCTs at a tertiary care center and associated factors, including pre-harvest CD34+ stem cell levels, leading to improved engraftment outcomes.

Methodology: A retrospective study was conducted in India, between February 2009-August 2020.

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β-thalassemia is a prevalent monogenic disorder characterized by reduced or absent synthesis of the β-globin chain. Although great effort has been made to ameliorate the disease severity of β-thalassemic patients, progress has been stymied due to limited understanding of the detailed molecular mechanism of disease pathogenesis. Recently, non-coding RNAs have been established as key players in regulating various physiological and pathological processes.

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Hemoglobinopathies are quite common in India, and multiple awareness and screening initiatives exist for detection of thalassemia in the population. One of the most common and successfully used method for thalassemia screening is the high performance liquid chromatography (HPLC) test. However, in spite of its excellent usefulness as a screening tool, there are situations where HPLC alone may not be able to make an accurate diagnosis.

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Background & Objectives: Evaluation of bone marrow infiltration in lymphoma is usually done by bone marrow biopsy (BMB). This study analyzed the utility of F-fluorodeoxyglucose positron emission tomography/computerized tomography (F-FDG PET/CT) to detect bone marrow involvement (BMI) compared to BMB.

Methods: Treatment-naïve lymphoma patients underwent both F-FDG PET/CT scan and BMB before treatment initiation.

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Article Synopsis
  • Purulia, a malaria-affected district in West Bengal, India, was analyzed for malaria cases from 2016 to 2020, revealing significant demographic and geographic trends in infection rates.
  • The study noted a decrease in cases due to the implementation of mass distribution of Long-Lasting Insecticidal Nets (LLINs), with most cases occurring in older males, particularly among Scheduled Tribes.
  • Predictions using an exponential decay model indicate that with continued efforts, 13 blocks in Purulia could achieve malaria-free status by 2025, urging government action to sustain elimination initiatives.
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The 3'-untranslated region (3'-UTR) is well known to be associated with the post-transcriptional regulation, because of the presence of important sequences that influence the fate of mRNA, and thus, in protein synthesis. The present study describes a point mutation on the β-globin 3'-UTR, +1506 (A>C) (: c.*32A>C) in an Indian family during prenatal diagnosis (PND) screening of an at-risk couple.

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Beta-hemoglobinopathies exhibit a heterogeneous clinical picture with varying degrees of clinical severity. Pertaining to the limited treatment options available, where blood transfusion still remains the commonest mode of treatment, pharmacological induction of fetal hemoglobin (HbF) has been a lucrative therapeutic intervention. Till now more than 70 different HbF inducers have been identified.

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Deferiprone (DFP) and deferasirox (DFX) are the most well-known, efficacious and safe chelators to reduce the serum ferritin (SF) level in multi transfused thalassemic children, although there are few reports available for assessing the efficacy between DFP and DFX. We compared the efficacy of DFP DFX as iron chelating drugs in β-thalassemia major (β-TM) patients. Pediatric patients diagnosed to carry β-TM, aged between 2 and 10 years, were recruited.

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Article Synopsis
  • - In the phase 3 BOSTON study, patients with multiple myeloma (MM) received either weekly selinexor combined with bortezomib-dexamethasone (XVd) or the standard twice-weekly bortezomib-dexamethasone (Vd), with XVd showing significant improvements in progression-free survival (PFS) and overall response rate (ORR).
  • - Results indicated that patients with high-risk MM had a median PFS of 12.91 months with XVd compared to 8.61 months with Vd, and ORRs were 78.6% for XVd versus 57.7% for Vd.
  • - The study
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The current study was conducted to assess response to immunosuppressive therapy (IST) in acquired aplastic anaemia (AA). It was a retrospective and prospective observational study. Patients were diagnosed as per standard international guidelines and IST was started as per standard protocol.

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Article Synopsis
  • Therapeutic options for previously treated multiple myeloma have limited effectiveness and can cause serious side effects, like peripheral neuropathy.
  • In the Phase 3 BOSTON study, the combination of selinexor, bortezomib, and dexamethasone (XVd) significantly outperformed the standard treatment (Vd) in terms of progression-free survival, response rates, and severity of side effects.
  • XVd showed the most benefits for patients with fewer previous treatments, especially those who hadn't received a proteasome inhibitor or prior stem cell transplant, suggesting it may be a better option for early treatment phases.
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Elderly and frail patients with multiple myeloma (MM) are more vulnerable to the toxicity of combination therapies, often resulting in treatment modifications and suboptimal outcomes. The phase 3 BOSTON study showed that once-weekly selinexor and bortezomib with low-dose dexamethasone (XVd) improved PFS and ORR compared with standard twice-weekly bortezomib and moderate-dose dexamethasone (Vd) in patients with previously treated MM. This is a retrospective subgroup analysis of the multicenter, prospective, randomized BOSTON trial.

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Imatinib, the first Tyrosine Kinase Inhibitor (TKI) used for the treatment of chronic myeloid leukaemia (CML) has revolutionized the management by inhibiting BCR-ABL tyrosine kinase. According to earlier reports there are concerns regarding the adverse effect of imatinib on haemostasis by causing platelet dysfunction. Here we studied platelet function using platelet aggregometry, in 19 CML chronic phase (CML-CP) patients on imatinib therapy, in complete haematologic response (CHR).

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The SARS-CoV-2 (COVID-19) pandemic is a worldwide public health emergency with widespread impact on health care delivery. Unforeseen challenges have been noted during administration of usual haematology care in these unusual COVID-19 times. Medical services have been overstretched and frontline health workers have borne the brunt of COVID-19 pandemic.

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Introduction: Hemoglobin (Hb)-F inducers are known to improve Hb level and transfusion dependence in thalassemia. This pilot study was conducted to assess the efficacy and safety of Hb-F inducer thalidomide compared to hydroxyurea (HU) in Hb E-β thalassemia patients.

Methods: This was a prospective interventional single-centre study with 45 Hb E-beta thalassemia patients equally divided into group-I (thalidomide+folic acid), group-II (HU + folic acid) and group-III (folic acid).

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Background: There is scarcity of data on outcome of COVID-19 in patients with hematological malignancies. Primary objective of study was to analyse the 14-day and 28-day mortality. Secondary objectives were to correlate age, comorbidities and remission status with outcome.

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Hemoglobin E (HbE)/β-thalassemia is a form of β-hemoglobinopathy that is well-known for its clinical heterogeneity. Individuals suffering from this condition are often found to exhibit increased fetal hemoglobin (HbF) levels - a factor that may contribute to their reduced blood transfusion requirements. This study hypothesized that the high HbF levels in HbE/β-thalassemia individuals may be guided by microRNAs and explored their involvement in the disease pathophysiology.

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