A study of the use of drugs in patients suffering from psoriasis and their impact on quality of life

Low‐potency corticosteroid betamethasone valerate and vitamin‐A tazarotene are used in combination for effective treatment of psoriasis. There is no robust high‐performance liquid chromatography analytical technique available for simultaneous estimation of betamethasone valerate and tazarotene in conventional and nanocarriers based formulations. A simple, accurate, robust isocratic high‐performance liquid chromatography method was developed for simultaneous estimation of betamethasone valerate and tazarotene in topical pharmaceutical formulations. The developed method was validated as per the regulatory guidelines. The validated method was linear over the concentration range of 150–6000 ng/mL (r2 > 0.999) at 239 nm wavelength. Limits of detection and quantification of two analytes were 50 and 150 ng/mL, respectively. The %relative standard deviation for intraday and interday precision was less than 2%. The method was also evaluated in the presence of forced degradation conditions. The developed method was successfully applied for in vitro and ex vivo drug release studies of in‐house designed nanoformulations.

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Stability indicating liquid chromatographic method for simultaneous quantification of betamethasone valerate and tazarotene in in vitro and ex vivo studies of complex nanoformulation

Rapalli

Singhvi

Gorantla

et al. 2019

J of Separation Science

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The impact of complete clearance and almost complete clearance of psoriasis on quality of life: a literature review

et al. 2022

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Hemorrhagic dot score as a follow up marker in psoriasis on treatment: A prospective observational study

Arora¹,

Paul

Banerjee³

et al. 2022

Dermatologic Therapy

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Context: Psoriasis assessment tools in use presently lack reproducibility and are cumbersome to use. An easily reproducible, objective tool with ability to maintain visual records for follow up is hence desirable. We conducted a study with the aim to assess dermoscopic changes in psoriasis while on treatment by recording the number of hemorrhagic dots (Hemorrhagic Dot Score‐HDS) in a representative plaque and comparing it to the PASI score. Settings and design: A longitudinal prospective study was conducted between October 2018 to March 2020 in a dermatology centre of a tertiary hospital on cases of chronic plaque psoriasis on treatment over 6 months, assessed at baseline and thereafter monthly for 6 months. Methods: Hundred consenting patients of chronic plaque psoriasis were assessed, clinically, PASI and dermoscopically. HDS and other dermoscopic features were noted at every visit. Statistical analysis used: ANOVA and F test of testing of equality of Variance; effect size in terms of Cohen were used to report the strength of an apparent relationship. Results and Interpretation: Percentage improvement in the mean PASI scores and HDS and percentage improvement of mean was found significant in each month on follow up. Systemic therapy as compared to topical therapy showed higher effect size of 6.1 and 1.7, respectively. Conclusion: Hemorrhagic dot score can be used as an objective, definite assessment tool correlating with clinical severity of psoriasis with more accuracy which shows changes early following institution of therapy.

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A study of the use of drugs in patients suffering from psoriasis and their impact on quality of life

Cited by 7 publications

References 15 publications

Stability indicating liquid chromatographic method for simultaneous quantification of betamethasone valerate and tazarotene in in vitro and ex vivo studies of complex nanoformulation

Stability indicating liquid chromatographic method for simultaneous quantification of betamethasone valerate and tazarotene in in vitro and ex vivo studies of complex nanoformulation

The impact of complete clearance and almost complete clearance of psoriasis on quality of life: a literature review

Hemorrhagic dot score as a follow up marker in psoriasis on treatment: A prospective observational study

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