Comparative Study of Safety and Efficacy of Narrow Band Ultraviolet B (NBUVB) and Psoralen Ultraviolet A (PUVA) Therapy in Psoriasis Vulgaris

Introduction: Psoriasis is a group of chronic, inflammatoryand proliferative condition of skin, associated withsystemic manifestations in many organ systems. The mostcharacteristic lesions consist of erythematous, scaly, sharplydemarcated indurated plaques, present particularly over theextensor surfaces and scalp). Phototherapy is one of the mostefficacious treatment options for psoriasis. New, emergingstudies are beginning to define the biological mechanismsby which phototherapy improves psoriasis- with NBUVBand psoralen ultraviolet A (PUVA) as the most widely usedapplications.Material and methods: This prospective study was carriedout on 76 patients attending OPD of Rohilkhand medicalcollege and hospital in one year from November 2017 toOctober 2018. The patients were randomly divided intotwo groups;Systemic PUVA (Trimethylpsoralen+UVA) andNBUVB groups and therapy will be administered thrice perweek on non-consecutive days.Results: The initial mean PASI score was 17.43 and 17.01in group A and group B patients respectively, while posttreatment PASI score was 3.08 and 2.01 in respective groups.The average cumulative dose for 80% clearance with PUVAwas found to be 60.51 J/cm2 while with NBUVB it wasfound to be 6.76 J/cm2. Side effects were observed in 28.94%patients in group A while 5.2% patientsin group B. Amongstgroup A 18.42%, 7.8% and 2.6% patients presented witherythema, burning and vesiculations respectively while undergroup B 2.6% patients in each group presented with erythemaand burning.Conclusion: Both PUVA and NBUVB are effective for thetreatment of psoriasis vulgaris. However, NBUVB has adistinct edge over PUVA in terms of efficacy and lesser sideeffects. The advantages of NBUVB therapy over PUVAtherapy includes lack of psoralen-related side effects and lessmean cumulative dose for clearance and so, good adherence.

Efficacy and relapse rates of different treatment modalities for progressive macular hypomelanosis.

Background: Progressive macular hypomelanosis is an acquired disorder characterized by hypopigmented macules mostly on the trunk and upper extremities. Although many treatment modalities have been proposed for this condition with variable success rates, there are few reports comparing their efficacy and relapse rates. Aim: To compare the efficacy and relapse rates of different treatment modalities for progressive macular hypomelanosis. Methods: Case records of patients diagnosed with progressive macular hypomelanosis and treated in National Skin Centre for a six year period between 2008 and 2014 were reviewed. Patient demographics, distribution of hypopigmented macules, treatment efficacy and relapse rates were noted. Results: A total of 108 patients were seen for progressive macular hypomelanosis over the study period; of these, 40 opted for no treatment but were followed up. Thirty‑six were treated with topical antimicrobials and 32 with phototherapy. Of those untreated, 23% recovered spontaneously while 38% in the antimicrobial group and 90% in the phototherapy had remission of their hypopigmentation. After 2 years of follow‑up, relapse occurred only in the phototherapy group. Limitations: The main limitation is the retrospective design whereby diagnosis is dependent on the attending dermatologist. Conclusions: Narrow‑band ultraviolet B therapy appears to be the most effective treatment for progressive macular hypomelanosis but also has the highest potential for relapse. Response rates for antimicrobial therapy are lower and slower, but patients who responded did not relapse. A combination of topical/systemic antimicrobials with narrow‑band ultraviolet B therapy might be the best option to hasten recovery and minimize relapse.

Psoriasis vulgaris efficacy of narrow band UVB therapy combined with compound ;glycyrrhizin / 中国医学装备

Objective: To explore psoriasis vulgaris efficacy of the narrow band UVB therapy combined with compound glycyrrhizin. Methods: The study made it clear diagnosis for patients admitted to our hospital 45 patients with psoriasis vulgaris were randomly divided into experimental group with 25 cases(narrow band UVB therapy combined with compound glycyrrhizin) and control group with 20 cases(only narrow-band UVB irradiation), in order to compare and analyze the treatment effect, the incidence of adverse reactions and symptoms before and after treatment PASI score recorded. Results: The difference was not statistically significant about PASI score of patients in the experimental group and the control group before treatment(t=0.153, P>0.05). But the difference of PASI score was statistically significant between two groups of patients after treatment(t=4.675, P<0.05). The effective rate of treatment in patients of the experimental group was 92%and 75%in the control group. The adverse symptoms in the experimental group and control group were 20% and 60% respectively. The differences were statistically significant (x2=47.908, P<0.05). Conclusion: Narrow band UVB combined with compound glycyrrhizin treatment of psoriasis with respect to only a narrow band ultraviolet therapy have significant therapeutic effect, and it can effectively reduce the incidence of adverse symptoms. It is worth popularizing in clinical.

Establishment of a mouse model of cutaneous squamous cell carcinoma induced by 7,12-DMBA, croton oil and narrow-band ultraviolet B irradiation / 中国比较医学杂志

Objective To establish a mouse model of cutaneous squamous cell carcinoma induced by 7,12-dimethylbenz(a)anthracene (7,12-DMBA)/croton oil and narrow-band ultraviolet B (NB-UVB) irradiation.Methods A total of fifty 6-8-week old BALB/c mice (male:female 1:1) were randomly divided into three experimental groups.The group A was treated with chemical carcinogens alone, group B was treated with NB-UVB alone, and group C was treated with chemical carcinogens plus NB-UVB.The general status and skin appearance of mice were observed during the experiment.The survival rate and tumor formation rate of each group was calculated at weeks 5, 10, 15, and 20. Pathological examination was carried out to observe the histological changes of skin lesions.Results Papules measuring≥l mm in diameter began to develop in some mice of the group C at 5 weeks after the first treatment with chemical carcinogens.The tumor formation rates at 20 weeks after treatment were 86.67%, 7.14%, 94.12%in the groups A, B, C, respectively.Pathological examination revealed characteristic changes of squamous cell carcinoma in 13.34%, 0%, 70.59%of the mice in the group A, B, C, respectively.Conclusions Establishment of a mouse model of cutaneous squamous cell carcinoma induced by 7,12-DMBA/croton oil and NB-UVB is a better method than treated with chemical carcinogens alone or NB-UVB alone.This method can increase the tumor formation rate and incidence rate of SCC, and within a shorter period.

Therapeutic effect of desloratadine citrate disodium tablets combined with narrow band ultraviolet B in the treatment of pityriasis rosea / 中国基层医药

Objective To observe the clinical efficacy of desloratadine citrate disodium tablets combined with narrow band ultraviolet B in the treatment of pityriasis rosea.Methods According to the digital table,88 pityriasis rosea patients were randomly divided into the two groups.45 cases of the study group were treated by desloratadine citrate disodium tablets combined with narrow ultraviolet B,43 cases of the control group were treated by desloratadine citrate disodium tablets alone.The both two groups applied Binghuangfule cream.The therapeutic effect and safety of the two groups were compared.Results The cure rate in study group was 71.11％,which of the control group was 51.16％,the difference was not statistically significant (x2 =3.69,P ＞ 0.05).The effective rate of the treatment group was 91.11％,which of the control group was 69.77％,the difference between the two groups was statistically significant (x2 =6.43,P ＜ 0.05).Conclusion The result reveals that desloratadine citrate disodium tablets combined with narrow band ultraviolet B is more effective and worthy to be used in clinical practice.

Comparative efficacy of narrow-band ultraviolet B phototherapy alone and its combination with topical 8-methoxypsoralen in psoriasis.

Background: Very few studies using the combination of topical 8-methoxypsoralen (8-MOP) and narrow-band ultraviolet B (NBUVB) have been performed, especially in Indian patients. A combination of oral psoralen with NBUVB has been shown to have a superior efficacy as compared with NBUVB alone in psoriasis. Aims: Comparison of the efficacy of topical psoralen NBUVB (combination) versus NBUVB alone in psoriasis. Methods: Thirty patients with plaque psoriasis were taken up for the study and NBUVB phototherapy was given twice weekly. The target lesions on one side were treated with 0.1% topical 8-MOP 15 min before the irradiation. The treatment period was 12 weeks or 24 exposures. Results: The number of treatment sessions and cumulative NBUVB doses were lower in the combination therapy as compared with NBUVB monotherapy, although the differences were not statistically significant. Conclusion: To conclude, topical 8-MOP enhances the therapeutic effects of NBUVB therapy without increasing the incidence of adverse effects.

Observation on the treatment of psoriasis vulgaris with narrow-band ultraviolet B and traditional Chinese medicine fumigating / 国际中医中药杂志

Objective To observe the treatment of psoriasis vulgaris with narrow-band ultraviolet B and self-made traditional Chinese medicine fumigating.Methods A total of 100 patients with psoriasis vulgaris were randomly recruited into a treatment group and a control group,50 patients in each group.The control group was treated with narrow-band ultraviolet B:on this basis,the treatment group was treated with self-made traditional Chinese medicine fumigating.The therapeutic effeCts of both groups were observed.Results As compared with the control group.the treatment group showed better therapeutic effects(P<0.05).Conclusion It was effective to treat psoriasis vulgaris with narrow-band ultraviolet B combined with self-made traditional Chinese medicine fumigating.

The effect of the Chinese medical herb decoction qu yin tang combined with ultraviolet B phototherapy on psoriasis vulgaris, and the influence on osteopontin and vascular endothelial growth factor in serum / 中华物理医学与康复杂志

Objective To observe the therapeutic efficacy of the Chinese medical herb decoction qu yin tang combined with narrow-band ultraviolet B (NB-UVB) phototherapy on psoriasis vulgaris, and to investigate its influ-ence on osteopontin (OPN) and vascular endothelial growth factor (VEGF) in serum. Methods Sixty patients with psoriasis were randomly divided into a treatment group and a control group. The treatment group was treated with qu yin tang and NB-UVB; the control group was treated with qu yin tang only. The levels of OPN and VEGF in serum were detected in both groups before and after treatment using an enzyme-linked immunosorbent assay (ELISA). Twenty healthy persons' serum samples were taken as controls. At the same time, any changes in psoriasis area and severity index (PASI) scores in the two groups were recorded and compared. Results After 8 weeks of treatment, PASI scores and levels of OPN and VEGF had been reduced significantly in both groups, and there was a significant difference between the treatment group and the control group. Conclusions Chinese medical herbs combined with NB-UVB phototherapy is a safe and effective method for the treatment of psoriasis. The results suggested that OPN and VEGF may play an important role in the pathogenesis of psoirasis vulgaris.

UVB de banda angosta para el prurigo nodular de difícil tratamiento / Narrow-band ultraviolet B in recalcitrant nodular prurigo

Introducción. La luz UVB de banda angosta (nb-UVB) ha surgido como nueva propuesta para el tratamiento del prurigo nodular. Objetivo: Describir nuestra experiencia en el uso de nb-UVB para el prurigo nodular de difícil manejo. Método: Análisis retrospectivo de cinco pacientes con prurigo nodular tratados con luz nb-UVB asociado a terapia estándar. Resultados: Se obtuvo respuesta favorable en los cinco pacientes, utilizando 23,4 mas 5,6 sesiones con una dosis acumulada de 44,5 J/cm2. El promedio de remisión fue de 4,2 mas 1,6 meses. Conclusión: La terapia nb-UVB parece constituir una alternativa eficaz para el tratamiento del prurigo nodular.

Introduction. Narrow band ultraviolet B (nb-UVB) has emerged as a new proposal for treatment of nodular prurigo. Objective. To describe our experience with nb-UVB in recalcitrant nodular prurigo. Method. Retrospective analysis of five patients treated with nb-UVB associated to standard therapy Results: We obtained a favorable response in all patients with 23.4 mas: 56 sessions, using a mean accumulative dose of 44.5 J/cm2. The mean duration of remission was 42 mas: 1.6 months. Conclusion. NS-UVB phototherapy appears to be an effective treatment for recalcitrant nodular prurigo.