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   Table of Contents - Current issue
January-February 2023
Volume 55 | Issue 1
Page Nos. 1-65

Online since Monday, March 20, 2023

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Concept of essential medicines and recent updates Highly accessed article p. 1
Shreya Gupta, J Kumaravel, Ajay Prakash, Bikash Medhi
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Efficacy and safety analysis of prucalopride in refractory chronic constipation cases in a tertiary care hospital in Eastern India: A randomized, single-blind, placebo-controlled study Highly accessed article p. 6
Suhasini Dehury, Sourya Mohapatra, Haribhakti Seba Das, Siddhartha Goutam, Chetna Kaushik
OBJECTIVES: Chronic constipation (CC), a common functional gastrointestinal disorder, has laxatives as its mainstay of treatment. Refractoriness to laxatives calls for better treatment options. Prucalopride is a novel, well-tolerated enterokinetic with high 5-hydroxytryptamine 4 receptor selectivity. This study was undertaken with the intention to establish the efficacy and safety of prucalopride with placebo in adults with refractory CC. MATERIALS AND METHODS: Patients were screened and 180 patients fulfilling the inclusion criteria were simply randomized into 2 groups either to receive prucalopride 2 mg (n = 90) or placebo (n = 90) once daily for a duration of 12 weeks. The efficacy endpoints (primary) were intended to measure the proportion of patients with three or more spontaneous complete bowel movements (SCBMs) per week over 12 weeks. Secondary endpoints were assessed via the validated questionnaires. Adverse events, electrocardiogram, and other laboratory parameters were monitored at different time intervals. RESULTS: Efficacy and safety were analyzed in 180 patients simply randomized (1:1) into group A (prucalopride arm, n = 90) and group B (placebo arm, n = 90). Patients having three or more SCBMs per week in the prucalopride arm (2 mg) were 41% as against to 12% in the placebo arm (P < 0.001). A significant increase (P < 0.001) in the number of spontaneous bowel movements per week plus an increase of average bowel movement by 1 point per week was seen in the prucalopride arm. Secondary efficacy endpoints which included patients' treatment satisfaction, improvement in the perception of constipation symptoms using the patient assessment of constipation -symptoms and stool consistency score changes were more pronounced in the prucalopride arm than the placebo. The most common adverse events reported from both the groups were headache, nausea, bloating, and diarrhea. No significant cardiovascular changes or laboratory abnormality was detected throughout the study period. CONCLUSION: Prucalopride is effective in laxative refractory CC cases with a good safety profile.
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Comparison of patients using lamivudine, entecavir, and tenofovir according to liver fibrosis markers fibrosis-4 and aspartate aminotransferase-to-platelet ratio index scores p. 14
Huseyin Dogus Okan, Oguz Karabay, Ertugrul Guclu, Mustafa Baran Inci, Aziz Ogutlu
OBJECTIVES: It was intended to assess the efficacy of lamivudine, entecavir, and tenofovir regimens in the management of chronic hepatitis B (CHB) guided by Fibrosis-4 (FIB-4) and aspartate aminotransferase-to-platelet ratio index (APRI) scores. MATERIALS AND METHODS: Our study was conducted on patients who applied to the hepatitis outpatient clinic between 2008 and 2015 retrospectively. Lamivudine, entecavir, and tenofovir regimens used in the practice of CHB cases were compared by measuring noninvasive FIB tests. RESULTS: Entirely 199 patients involved in the research were evaluated in three treatment arms; 48 used lamivudine, 46 used entecavir, and 105 used tenofovir. Similar statistical characteristics were observed between research arms regarding age, gender, and alanine aminotransferase normalization by years (P > 0.05). Totally 5 (13.5%) of patients developed Hepatitis B e antigen (HBeAg) seroconversion among 36 HBeAg positivity, and similar statistical features were seen by comparing the groups (P > 0.05). In the entecavir and tenofovir arms, a significant decrease was seen in FIB-4, and APRI index values in the 1st year of treatment (P < 0.001). At the graph curve, a plateau was observed in the APRI test after the 1st year, and a plateau was observed in the FIB-4 test after the 2nd year. CONCLUSION: Consistent with the study outcome, when we consider FIB regression, tenofovir and entecavir regimens were found more effective than lamivudine. In addition, entecavir was more effective than the other two drugs after the 1st year.
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Comparison of clinical effect of octreotide and pituitrin in treatment of upper gastrointestinal hemorrhage in cirrhosis p. 21
Yanli Zhu, Yihua Ren, Chunmei Li, Zhaoming Si, Nannan Chi
OBJECTIVE: The objective of the study was to compare and observe the therapeutic effect of octreotide and pituitrin in upper gastrointestinal hemorrhage caused by cirrhosis. MATERIALS AND METHODS: In this prospective, randomized, open, single-blind, controlled, and single-center study, patients with upper gastrointestinal hemorrhage induced by cirrhosis were divided into control group (treated with pituitrin) and experimental group (treated with octreotide). The effective time, hemostasis time, and average bleeding volume of the two groups were observed and recorded, and the incidence of adverse reactions, rebleeding rate, and total effective rate of the two groups were compared. RESULTS: One hundred and thirty-two patients with upper gastrointestinal hemorrhage caused by cirrhosis were included from March 2017 to September 2018. By a single-blind method, the patients were randomly divided into control group (n = 66) and experimental group (n = 66). Compared with the control group, the effective time and hemostasis time of the drug were significantly shorter in the experimental group, whereas the average bleeding volume of patients was lower (average P < 0.05). Compare with the control group, the total effective rate was higher in the experimental group, whereas the incidence of adverse reactions was lower (average P < 0.05). During 1-year follow-up, early and late rebleeding rates and hemorrhage-related mortality between the two groups have no difference (average P > 0.05). CONCLUSION: In the treatment of upper gastrointestinal hemorrhage in cirrhosis, octreotide is superior to pituitrin, with advantages of quick onset, short hemostasis time, and less adverse reactions, which is helpful to control the rebleeding rate and bleeding-related mortality.
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Prevalence of CYP2C9 and CYP2C19 variants and the impact on clopidogrel efficacy in patients having CYPC19*2 variant p. 27
Meha P Mehta, Normi D Gajjar, Rutvi J Patel, Lipi P Joshi, Gaurang B Shah
OBJECTIVE: Human cytochrome p450 enzymes play an important role in the metabolism of various substances. The CYP2C subfamily consists of various important drug-metabolizing enzymes such as CYP2C9 and CYP2C19. The objectives of the study include the determination of the frequency of genetic variants (CYP2C9*2, CYP2C9*3, and CYP2C19*2) of selected enzymes using allele-specific polymerase chain reaction (ASPCR) and its comparison with Indian as well as global past frequencies. We also aimed to study the impact of genetic mutation on clopidogrel efficacy and compare the efficacies between patients with and without CYP2C19*2 genetic variant. METHODOLOGY: In this study, the prevalence of variants CYP2C19*2, CYP2C9*2, and CYP2C9*3, the most popular variants of the respective enzymes, was determined using the ASPCR method. The correlation between the CYP2C19*2 variant and the antiplatelet activity of clopidogrel was studied using platelet aggregation assay (PAA). RESULTS: The determined frequencies of CYP2C19*2, CYP2C9*2, and CYP2C9*3 are 46%, 9%, and 12%. These frequencies are indicative of homozygous as well as heterozygous mutations. Reduced clopidogrel efficacy was observed in patients with a heterozygous mutation of CYP2C19*2 variant. CONCLUSIONS: The observed frequencies are not significantly different from that observed in earlier reported studies conducted across India and the world. Antiplatelet activity, as measured using the PAA method, was significantly lesser in patients having the CYP2C19*2 variant. The therapy failure in these patients can lead to serious cardiovascular consequences, and we propose determining the presence of the CYP2C19*2 variant before initiation of clopidogrel therapy.
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Nephroprotective potential of syringic acid in experimental diabetic nephropathy: Focus on oxidative stress and autophagy p. 34
Bhoomika Sherkhane, Veera Ganesh Yerra, Anjana Sharma, K Anil Kumar, Gundu Chayanika, Arruri Vijay Kumar, Ashutosh Kumar
BACKGROUND: Diabetic nephropathy (DN) is a chronic hyperglycemic manifestation of microvascular damage in the kidneys. Widespread research in this area suggests the involvement of perturbed redox homeostasis and autophagy in renal cells phrase- promote the progression of DN. MATERIALS AND METHODS: Reframed sentences-The present study investigates the pharmacological effect of Syringic acid (SYA), in streptozotocin (STZ, 55 mg/kg, i.p) induced diabetic nephropathy model and in high glucose (30 mM) challenged rat renal epithelial cells (NRK 52E) cells with a focus on oxidative stress and autophagy mechanisms. RESULTS: Both in vivo and in vitro experimental data revealed elevated oxidative stress markers along with compromised levels of nuclear factor erythroid 2-related factor 2 (Nrf2), a pivotal cellular redox-regulated transcription factor in renal cells upon glycemic stress. Elevated blood glucose also reduced the autophagy process as indicated by low expression of light chain (LC) 3-IIB in diabetic kidney and in NRK 52E cells subjected to excess glucose. SYA (25 and 50 mg/kg, p.o.) administration for 4 weeks to diabetic rats, Reframed sentence-preserved the renal function as evidenced by reduced serum creatinine levels as well as improved urine creatinine and urea levles as compared to non treated diabetic animals. At the molecular level, SYA improved renal expression of Nrf2 and autophagy-related proteins (Atg5, Atg3, and Atg7) in diabetic rats. Similarly, SYA (10 and 20 μM) co-treatment in high glucose-treated NRK 52E cells displayed increased levels of Nrf2 and autophagy induction. CONCLUSION: Results from this study signify the renoprotective effect of SYA and highlight the modulation of oxidative stress and autophagy mechanisms to mitigate diabetic kidney disease.
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Efficacy and safety of levamisole in childhood nephrotic syndrome: A meta-analysis p. 43
Girish Chandra Bhatt, Bhupeshwari Patel, Rashmi Ranjan Das, Shikha Malik, Martin Bitzan, Nihar Ranjan Mishra
Present evidence regarding the efficacy and safety of levamisole in childhood nephrotic syndrome (NS), particularly the steroid-sensitive NS (SSNS), is limited. We searched relevant databases such as PubMed/MEDLINE, Embase, Google Scholar, and Cochrane CENTRAL till June 30, 2020. We included 12 studies for evidence synthesis (5 were clinical trials that included 326 children). The proportion of children without relapses at 6–12 months was higher in the levamisole group as compared to steroids (relative risk [RR]: 5.9 [95% Confidence interval (CI): 0.13–264.8], I2 = 85%). Levamisole as compared to the control increased the proportion of children without relapses at 6–12 months (RR: 3.55 [95% CI: 2.19–5.75], I2 = 0%). The GRADE evidence was of “very-low certainty” except for the comparison of levamisole with control, the latter being of “moderate certainty.” To conclude, levamisole given to children with SSNS is beneficial in preventing relapses and achieving remission as compared to placebo or low-dose steroids. Good-quality trials are needed to provide a robust evidence in this regard. PROSPERO Registration number: CRD42018086247.
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Peptides and peptidomimetics as a therapeutic candidate for the treatment of COVID-19: A brief review p. 53
J Kumaravel, Harvinder Singh, Sukhmeet Kaur, Ajay Prakash, Bikash Medhi
Novel SARS-CoV-2 (COVID-19) is affecting worldwide as declared pandemic by the WHO. Various repositioning and novel therapeutic agents are being evaluated under different clinical setups; however, there is no promising therapeutic agent reported to date. Small molecules like peptides have their popularity as their specificity, delivery, and synthesizability as promising therapeutic agents. In this study, we have reviewed the published literature describing peptide designing, in silico binding mode, antiviral activity, preventive measures, and in vivo assessments. Here, we reported all the results which are promising against SARS-CoV-2 as therapeutic and preventive (vaccine candidates), and their status in the drug development process.
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Successful management of delayed hyaluronidase hypersensitivity after subtenon's anesthesia during the COVID-19 pandemic: A rare case report p. 59
Bharat Gurnani, Kirandeep Kaur
Subtenon's block is commonly used to achieve akinesia, analgesia, and anesthesia for ophthalmic surgeries. This case study detailed a rare hypersensitivity report in a 65-year-old female who had underwent manual small incision cataract surgery under subtenon's anesthesia (STA) in the left eye. On postoperative day 1, she presented with acute onset proptosis, periorbital edema, conjunctival chemosis, and restriction of extraocular movements. The pupillary reaction and dilated fundus examination were normal. A differential diagnosis of orbital cellulitis, Mucormycosis, and hyaluronidase hypersensitivity (HH) was considered. Since the patient was afebrile, and pupillary reactions, ENT, neurological, and fundus examination were normal, the diagnosis was narrowed down to delayed HH. The patient was managed with a 1 cc IV injection of dexamethasone once a day for 3 days, along with routine postoperative drugs. As per detailed literature review, this is probably a second case report of delayed HH post-STA.
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Nutrivigilance – The need of the hour p. 62
Harshad Malve, Madeline Fernandes
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Toxicity of zinc alone or its formulation: An issue that needs attention p. 64
Sumanpreet Kaur, Dibyajyoti Banerjee
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