Displaying all 6 publications

  1. Mohd Nor NH, Aziz Z
    J Dermatolog Treat, 2013 Oct;24(5):377-86.
    PMID: 22658322 DOI: 10.3109/09546634.2012.699179
    OBJECTIVE: Comparative trials of benzoyl peroxide (BPO) have yielded contradictory results on its effectiveness for acne vulgaris. The aim of the study was to synthesise the evidence for the effectiveness of BPO-containing topical products for facial acne vulgaris.
    DESIGN: Systematic review.
    METHODS: The Cochrane Central Register of Controlled trials, Cochrane Library, MEDLINE and other relevant databases were searched without publication date or language restriction.
    RESULTS: We identified 22 trials involving 2212 participants; 12 trials compared BPO as single agent while the other 10 trials compared BPO in combination products. All trials reported lesion count as the outcome measure but only five trials provided numerical data. However, pooling of data from these trials was inappropriate due to variations between trials in terms of acne severity, comparator used and trial duration. Overall the study quality was fair but most studies had some bias particularly in method of random generation and allocation concealment. Although the results provide some evidence that BPO reduces acne-lesion count, the available evidence is not robust enough for firm conclusions.
    CONCLUSIONS: There is no high quality evidence that topical BPO improves facial acne vulgaris, and further research is needed.
  2. Osman MAH, Wong TW, Anuar NK
    J Dermatolog Treat, 2020 Sep;31(6):651-654.
    PMID: 31264929 DOI: 10.1080/09546634.2019.1639607
    The lower limit of soluble zinc content that can possibly be applied onto a wounded skin as a healing promoter was not known. This study examined skin wound healing process of rats inflicted by partial thickness thermal burn wound as a function of applied soluble zinc contents (0.1 ml of zinc chloride solution 0.01% (w/w) or 5.0% (w/w)). The size, surface morphology and histological profiles of wound beds of untreated rats and those treated with zinc chloride solutions were characterized. A soluble zinc content as low as 10.5 μg/cm2 of skin negated skin wound healing when compared to the untreated rats. This was alarming as the commercial products currently in the market are formulated with a high level of zinc content. Albeit the zinc salt employed was water-insoluble, a minute fraction of soluble zinc might be available to the treatment sites. This could be partially responsible for the late adverse effects such as pruritis and inflammation reported with calamine/diphenhydramine lotion, medicated shampoo, Olay Complete defense moisturizing lotion and Zineryt® topical solution. The skin irritation was likely a resultant oxidative stress action of soluble zinc, where a small fraction could be adequate to negate the skin homeostasis.[Figure: see text]Key messagesZinc is essentially a cofactor for skin collagen formation.Soluble zinc content as low as 10.5 μg/cm2 of skin irritates skin and negates burn wound healing.Skin irritation of commercial products relates to minute soluble zinc content availability.
  3. Lam PH, Hon KL, Leung K, Leong KF, Li CK, Leung TF
    J Dermatolog Treat, 2020 Sep 22.
    PMID: 32962454 DOI: 10.1080/09546634.2020.1826395
    BACKGROUND: Atopic eczema (AE) is a common relapsing inflammatory skin disease in children which is often associated with chronicity and poor quality of life. Unlike atopic asthma, control of AE is seldom assessed in therapeutics.

    AIM: To investigate the utility of a Traffic Light Control (TLC) system as a measurement/assessment of self-perceived eczema control.

    METHODS: This is a prospectively study of all Chinese children (aged 6 to 18 years old) with eczema attending the paediatric dermatology clinic of a tertiary hospital from Jan to June 2020. Eczema control, eczema severity, quality of life and biophysical skin condition of consecutive patients at the paediatric dermatology clinic of a teaching hospital were evaluated with the validated Chinese versions of Depressive, Anxiety, Stress Scales (DASS-21), Patient Oriented Eczema Measure (POEM), transepidermal water loss (TEWL), and stratum corneum skin hydration (SH), respectively. With a visual TLC analogy, patients were asked if their eczema is under control (green light), worsening (yellow) or in flare-up (red light).

    RESULTS: Among AE patients (n = 36), self-perceived TLC as green (under control), amber (worsening) and red (flare up) reflected acute and chronic severity (SCORAD, NESS, POEM) and quality of life (CDLQI) (p< 0.0001), but not SH, TEWL or Depression, anxiety and stress.

    CONCLUSIONS: Eczema control can be semi-quantified with a child-friendly TLC self-assessment system. AE patients reporting worse eczema control have worse acute and chronic eczema severity, more impairment of quality of life; but not the psychologic symptoms of depression, anxiety and stress or skin hydration or transepidermal water loss. TLC can be linked to an eczema action plan to guide patient management.

  4. Albela H, Begum S, Leong KF
    J Dermatolog Treat, 2021 Mar 11.
    PMID: 33706651 DOI: 10.1080/09546634.2021.1899111
    Generalized Pustular Psoriasis (GPP) is a rare, severe, life-threatening form of psoriasis and accounts for up to 13.1% of all childhood psoriasis. Common first-line systemic treatment for pediatric patients with GPP include oral acitretin, cyclosporin and methotrexate which have varying efficacy and side effects but multiple interventions are often needed to induce remission and maintain long term control. Recently, the anti IL 17 A monoclonal antibody secukinumab have been shown to be effective in adult patients with GPP; however, there is lack of evidence of its usage in the pediatric population. We describe a case series of 4 pediatric patients with GPP who were treated with off-label use of secukinumab. All four patients had marked clearance and reduction in Generalized Pustular Psoriasis Area & Severity Score (GPPASI) within first 48 h of first injection with subsequent almost complete to complete clearance of skin lesions by 1 month follow up. In conclusion, secukinumab was found to be successful in inducing remission, with rapid clearance and maintaining remission, with or without combination with other systemic agents for pediatric GPP.
  5. Akhtar A, Ahmad Hassali MA, Zainal H, Khan AH
    J Dermatolog Treat, 2021 Nov;32(7):778-782.
    PMID: 31916477 DOI: 10.1080/09546634.2020.1714539
    BACKGROUND: Geriatric population is increasing day by day throughout the world and there is a critical need to provide them the best health services including dermatological care due to their weakened immune system. The main objective of this study is to determine the prevalence and factors affecting the treatment outcomes of skin infections among elderly population.

    METHODS: A 5-year retrospective cross-sectional study was conducted at the Department of Dermatology, Hospital Pulau Pinang. Patients aged ≥65 years of age with confirmed diagnosis of skin infection were included in the study.

    RESULTS: A total of 455 patients were included and the most prevalent skin infections were eczema (27.6%) followed by dermatitis (13.8%), xerosis (13.8%), and bullous pemphigoid (8.8%). Cloxacillin (18%), Tetracycline (7.9%), and Unasyn (Ampicillin and Sulbactam) (5.7%) are the common antibiotics prescribed to treat skin infections. Age, alcohol consumption, polypharmacy, and presence of other co-morbidities are the most important factors that affected the treatment outcomes of skin infections among geriatrics.

    CONCLUSION: Eczema is the most prevalent skin infection among the elderly population. Age, consumption of alcohol, usage of more than five medicines simultaneously, and presence of co-morbidities are the main factors that are involved in better treatment outcomes of skin infections among study population.

  6. Lwin OM, Giribabu N, Kilari EK, Salleh N
    J Dermatolog Treat, 2021 Dec;32(8):1039-1048.
    PMID: 32013660 DOI: 10.1080/09546634.2020.1721419
    PURPOSE: This study identifies the potential use of mangiferin gel to promote wound healing in diabetes mellitus (DM).

    MATERIALS AND METHODS: Male rats were rendered diabetes mellitus via intraperitoneal injection of streptozotocin and nicotinamide. Following diabetes development, wound was created at the back of the neck. 1% and 2% mangiferin gel and 1% silver sulphurdiazine (SS) gel (positive control) were applied to the wound for twenty-one (21) days. Fasting blood glucose (FBG) levels were weekly monitored. At the end of the treatment, rats were sacrificed and wound was excised and subjected for histopathological and molecular biological analysis.

    RESULTS: No changes to serum FBG levels was noted throughout the period of mangiferin treatment. Albeit, a significant decrease in the size of the wound with increased in the skin thickness of surrounding the wound were observed. Increased expression and distribution of EGF, FGF, TGF-β, VEGF, PI3K, MMP and Nrf2 and decreased expression and distribution of TNFα and NF-κB p65 were observed in diabetic wound treated with topical mangiferin.

    CONCLUSIONS: Mangiferin has potential to be used as an agent to promote wound healing in diabetic condition.

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