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Actinic keratosis is a precursor to cutaneous squamous cell carcinoma. Long treatment durations and severe side effects have limited the efficacy of current actinic keratosis treatments. Thymic stromal lymphopoietin (TSLP) is an epithelium-derived cytokine that induces a robust antitumor immunity in barrier-defective skin. Here, we investigated the efficacy of calcipotriol, a topical TSLP inducer, in combination with 5-fluorouracil (5-FU) as an immunotherapy for actinic keratosis. The mechanism of calcipotriol action against skin carcinogenesis was examined in genetically engineered mouse models. The efficacy and safety of 0.005% calcipotriol ointment combined with 5% 5-FU cream were compared with Vaseline plus 5-FU for the field treatment of actinic keratosis in a randomized, double-blind clinical trial involving 131 participants. The assigned treatment was self-applied to the entirety of the qualified anatomical sites (face, scalp, and upper extremities) twice daily for 4 consecutive days. The percentage of reduction in the number of actinic keratoses (primary outcome), local skin reactions, and immune activation parameters were assessed. Calcipotriol suppressed skin cancer development in mice in a TSLP-dependent manner. Four-day application of calcipotriol plus 5-FU versus Vaseline plus 5-FU led to an 87.8% versus 26.3% mean reduction in the number of actinic keratoses in participants (P < 0.0001). Importantly, calcipotriol plus 5-FU treatment induced TSLP, HLA class II, and natural killer cell group 2D (NKG2D) ligand expression in the lesional keratinocytes associated with a marked CD4+ T cell infiltration, which peaked on days 10-11 after treatment, without pain, crusting, or ulceration. Our findings demonstrate the synergistic effects of calcipotriol and 5-FU treatment in optimally activating a CD4+ T cell-mediated immunity against actinic keratoses and, potentially, cancers of the skin and other organs. ClinicalTrials.gov NCT02019355. Not applicable (investigator-initiated clinical trial).

Onychomycosis is a chronic fungal infection of the nails that accounts for10% of the population worldwide and about 50% of the nail diseases in clinical practice. It has negative impact on patient’s quality of life. Multiple treatments are introduced to treat onychomycosis but they are limited by high cost, side effects, drug interaction, and reduced transungual delivery. We aimed to investigate the safety and efficacy of calcipotriol 0.005% cream versus terbinafine hydrochloride 1% cream in treatment of onychomycosis. Twenty adult patients with bilateral onychomycosis were randomized. Twenty adult patients with bilateral onychomycosis were randomized in this study. The patients received calcipotriol 0.005% cream on one side and terbinafine hydrochloride 1% cream on the other side twice/day for 3 months. Outcome was evaluated after treatment by onychomycosis severity index (OSI), mycological evaluation, investigator’s assessment and patient’s satisfaction. Side effects were also evaluated. Study registration number (IRB approval number M602, 30/8/2022). Calcipotriol 0.005% cream had significant higher degree of improvement after 3-month treatment of onychomycosis compared to terbinafine hydrochloride 1% cream ( p value = 0.02), while calcipotriol had significantly higher side effects in terms of tolerable irritation compared to terbenafine ( p value < 0.05). Insignificant differences between both sides were found regarding post treatment OSI, investigator’s assessment and patient’s satisfaction ( p value = 0.12, 0.73, 0.22 respectively). This pilot study provided preliminary data for significant superiority of calcipotriol 0.005% cream in treatment of onychomycosis regarding degree of improvement after 3-month treatment compared to terbinafine hydrochloride 1% cream. Irritation induced by calcipotriol 0.005% cream was tolerable by the patients. Further studies are still needed.

Anemia is an important prognostic factor in hemodialysis patients. It has been reported that parathyroidectomy ameliorates anemia and reduces the requirement of postoperative erythropoiesis-stimulating agents. The objective of this study was to assess the effect of cinacalcet, which is considered as a pharmacological parathyroidectomy, on anemia in hemodialysis patients. We used data from a prospective cohort of Japanese hemodialysis patients with secondary hyperparathyroidism; the criteria were: intact parathyroid hormone concentrations ≥ 180 pg/mL or use of an intravenous or oral vitamin D receptor activator. All patients were cinacalcet-naïve at study enrollment. The main outcome measure was achievement of the target hemoglobin level (≥10.0 g/dL), which was measured repeatedly every 6 months. Cinacalcet exposure was defined as cumulative time since initiation. Both conventional longitudinal models and marginal structural models were adjusted for confounding factors. Among 3,201 cinacalcet-naïve individuals at baseline, cinacalcet was initiated in 1,337 individuals during the follow up. Cinacalcet users were slightly younger; included more patients with chronic glomerulonephritis and fewer with diabetes; were more likely to have a history of parathyroidectomy; and were more often on activated vitamin D agents, phosphate binders, and iron supplements. After adjusting for both time-invariant and time-varying potential confounders, including demographics, comorbidities, comedications, and laboratory values, each additional 6-month duration on cinacalcet was associated with a 1.1-fold increase in the odds of achieving the target hemoglobin level. Cinacalcet may improve anemia in chronic hemodialysis patients with secondary hyperparathyroidism, possibly through pathways both within and outside the parathyroid hormone pathways. Further investigations are warranted to delineate the roles of cinacalcet not only in the management of chronic kidney disease-mineral and bone disorder but also in anemia control.

Alopecia areata is a chronic relapsing autoimmune inflammatory hair disorder with no novel therapy. The objectives of this study are to compare the efficacy of topical calcipotriol vs narrow band ultraviolet B phototherapy (NB-UVB) in the treatment of alopecia areata and its correlation with serum vitamin D 3 levels. A randomized-controlled trial has been conducted on 60 patients with scalp alopecia areata randomized into four groups; topical calcipotriol, NB-UVB, both and placebo. All patients were evaluated by assessment of severity of alopecia areata by severity of alopecia tool (SALT) score at baseline and 3 months after treatment and vitamin D 3 levels at baseline and after 3 months. SALT score and vitamin D 3 levels were significantly improved in all groups except placebo after treatment with ( P  = 0.026, P  = 0.005, P  = 0.004, P  = 0.140) and ( P  = 0.028, P  = 0.011, P  = 0.003, P  = 0.725), respectively. Combined therapy showed non-significant improvement in SALT score ( P  = 0.530, P  = 0.643), respectively, and significant improvement in serum vitamin D 3 levels than each line alone with ( P  = 0.021, P  = 0.044), respectively. Both topical calcipotriol and NB-UVB are effective therapies in the treatment of AA and associated with improvement of SALT score and vitamin D 3 levels.

Background and Objective The antipsoriatic effect of an innovative aerosol foam formulation of fixed combination calcipotriol 50 μg/g (as hydrate; Cal) and betamethasone 0.5 mg/g (as dipropionate; BD) was explored in order to compare the effect with that of the first-line treatment Cal/BD ointment. Methods This was a Phase IIa, single-centre, investigator-blinded, exploratory study, with intra-individual comparison using a modified psoriasis plaque test. Patients were treated once daily (6 days/week) for 4 weeks with Cal/BD foam, Cal/BD ointment, BD foam and Cal/BD foam vehicle, randomized to four plaque test sites (5 cm 2 each). The primary efficacy endpoint was change in total clinical score (TCS; sum of erythema, scaling and lesional thickness). Secondary endpoints included ultrasonographic changes in total skin thickness and echo-poor band thickness, and adverse events. Results Twenty-four patients, median age 52.5 years (range 21–75), completed this study. At week 4, test sites treated with Cal/BD foam had a significantly greater decrease in mean (±SD) TCS (−6.00 ± 1.27) versus those treated with Cal/BD ointment (−5.25 ± 1.78; difference −0.75; 95 % CI −1.46 to −0.04; p  = 0.038), BD foam (−4.96 ± 1.85; difference −1.04; 95 % CI −1.75 to −0.33; p  = 0.005) or foam vehicle (−1.88 ± 1.12; difference −4.13; 95 % CI −4.83 to −3.42; p  < 0.001). Total skin thickness and echo-poor band thickness of Cal/BD foam-treated sites were reduced to a greater extent than those treated with comparators. Eleven patients reported 17 adverse events, the most frequent being headache (five patients). There were no lesional/perilesional adverse events or adverse drug-related events. Conclusions Cal/BD foam demonstrated a significant improvement in antipsoriatic effect over Cal/BD ointment, BD foam and foam vehicle alone.

Abstract Background: The chronicity of psoriasis often requires continuous topical treatment. Materials and Methods: Here, the radical protection of a cream containing various herbal oils was evaluated in vivo by electron paramagnetic resonance (EPR) spectroscopy and its skin penetration by Raman microscopy in intact and barrier-disturbed skin. Changes in skin barrier properties were evaluated after 4 weeks of daily topical application using in vivo laser scanning microscopy (LSM) and transepidermal water loss in 26 healthy volunteers. A randomized, controlled, double-blind, three-arm parallel clinical study evaluated the efficacy of the herbal oil cream compared to a 0.05% calcipotriol-containing cream and to a vehicle cream, in 135 patients with mild to moderate plaque psoriasis with the change in Psoriasis Area and Severity Index (PASI) from baseline to week 12 as the primary endpoint. Results: EPR spectroscopy disclosed a significantly higher radical formation in untreated than skin treated with the herbal oil cream (p ≤ 0.05). LSM measurements indicated a protective skin barrier effect in treated compared to untreated skin. In the clinical trial, the topical application of herbal oils showed a significant reduction of the PASI score compared to topical calcipotriol at week 12 (p = 0.016). The mean reduction in PASI was 49% for the herbal oil cream, 38% for calcipotriol, and 55% for the vehicle cream. The percentage of patients, who reached PASI 50 and 75 at any time point, was 55.9% and 29.4% for the herbal oil cream, 47.4% and 15.8% for calcipotriol, and 23 (60.5%) and 13 (34.2%) for the vehicle, respectively (p > 0.05). The vehicle, originally designed as a placebo, contained a main ingredient of the herbal oil cream and therefore showed corresponding results. Conclusion: The herbal oil cream demonstrated effectiveness in the treatment of mild to moderate plaque psoriasis.

Background Psoriasis is a chronic, immune-mediated disorder with chronic plaque psoriasis being the primary manifestation during the remission stage. Patients often have a slow course and long history of the disease. The refractory type of psoriasis is a stubborn rash that does not subside easily. We designed this randomized controlled trial to compare the effectiveness and relapse rates of plaque psoriasis in patients treated with either acupuncture, moxibustion or calcipotriol ointment. The ultimate aim of the study is to select an effective traditional Chinese medicine therapy for patients with plaque psoriasis. Methods The study will be a multicenter, prospective, randomized controlled trial that compares the effectiveness of fire needle therapy, moxibustion and calcipotriol ointment. In total, 160 patients with plaque psoriasis who meet the inclusion criteria will be recruited from three hospitals in Beijing and then randomly assigned to receive either fire needle therapy (group A1), moxibustion (group A2) or calcipotriol ointment (group B). All participants will receive an 8-week treatment and will then be followed up for another 24 weeks, with time points at weeks 12 and 24 after treatment completion. The primary outcomes to be measured are relapse rates and psoriasis area and severity index score of the target lesions. In addition, the target lesion onset time, dermatology life quality index, traditional Chinese medicine syndrome score, and the relapse interval of the target lesion will be measured. Adverse events will be recorded for safety assessment. Discussion The aim of this study is to determine whether fire needle therapy or moxibustion could improve the clinical effectiveness for psoriasis lesions and reduce the relapse rate. Once completed, it will provide information regarding therapeutic evaluation on fire needle therapy or moxibustion for plaque psoriasis, which will assist clinicians in selecting the most effective treatment options for patients. Trial registration International Clinical Trials Registry Platform (ICTRP), ChiCTR1800019588 . Registered on 19 November 2018.

We observed the promoting effects of the 2940-nm erbium:YAG (Er:YAG) fractional laser in topical drug delivery for psoriasis. A total of five (four males and one female) recalcitrant psoriasis patients were given laser treatment eight times at 1-week intervals with the following parameters: 5–11% spot density and 100-μm energy depth. The psoriatic skin lesions on the left knee and the corresponding lesions at the right ones of each psoriasis patient were randomly divided into two groups: laser + topical drug group (L) and drug alone group (D). The psoriatic lesions in both groups were treated with the same topical treatment (calcipotriol ointment). The corresponding psoriatic lesions in the L group received extra 2940-nm Er:YAG laser irradiation before topical treatment. The photos of psoriatic lesions were taken before each treatment. The final photos were obtained from the patients at the seventh day after the final treatment. Drug alone or in combination with laser Er:YAG both reduced psoriatic lesions. However, with the increase in the number of treatments, increasing differences were observed between the treatment and the control sides. The therapeutic outcomes in the L groups were better than those in the D groups. Psoriasis area and severity index (PASI) scores for five cases of both groups were decreased. However, the scores in the L groups were lower than those in the D groups. The use of 2940 nm Er:YAG promoted the absorption of topical drugs for psoriasis, improving the therapeutic effect.

Background To provide evidence that the Chinese herbal medicine (CHM) PSORI-CM01 combined with Western medicine reduces the relapse rate of psoriasis vulgaris (PV), we plan to conduct a large-scale randomized control trial (RCT). In order to improve and perfect the RCT, this pilot study was designed to determine the feasibility and the potential of a modified protocol for the full-scale RCT. Methods Eligible patients with psoriasis vulgaris (PV) were enrolled into a randomized comparison in which all subjects received topical sequential therapy and PSORI-CM01 or placebo for 12 weeks. The primary outcome measure was the relapse rate. Treatment response was computed from Psoriasis Area and Severity Index (PASI), body surface area (BSA), and Dermatology Life Quality Index (DLQI). The secondary outcome measures included time to relapse, time to onset, rebound rate, PASI score, pruritus scores on the Visual Analog Scale (VAS), BSA, DLQI and SF-36 (short form health survey), and incidence of serious adverse events (SAEs). Results Six of 7 (86 %) subjects reached the PASI-50 in the CHM group compared with nine of 10 (90 %) in the placebo group during the treatment period. Among the subjects who reached PASI-50, one out of six subjects (17 %) relapsed in the CHM group during the treatment period compared with six out of nine patients in the placebo group (67 %). No subjects met the rebound criteria. Changes to baseline in the PASI scores were not significantly different between the two groups ( t  = 1.764, P  = 0.098). Conclusion Oral PSORI-CM01 combined with topical sequential treatment showed a smaller recurrence rate ( P = 0.118 ) than placebo combined with the same topical therapy for moderate-to-severe PV in this pilot study. Trial registration Chinese Clinical Trial Registry ( http://www.chictr.org.cn/searchproj.aspx ) ChiCTR-TRC-13003233 ; date of registration: 15 April 2013.

Background Topical corticosteroid or corticosteroid/calcipotriol preparations are recommended first-line topical treatments of psoriasis, but a main cause for the lack of efficacy of topical treatments is considered low rates of adherence to topical drugs. Patient support by the use of applications (apps) for smartphones is suggested to improve medical adherence. Methods/design Design: An investigator-initiated, single-center, single-blind, parallel-group, phase-4 clinical superiority randomized controlled trial (RCT). Participants: 134 patients 18 to 75 years of age with mild-to-moderate psoriasis, who are capable of reading English language, own a smartphone, and are candidates for the study drug calcipotriol and betamethasone dipropionate (Cal/BD) cutaneous foam once daily prn (pro re nata). Intervention: A 28-day adherence-supporting app providing compulsory daily treatment reminders that pop-up on the smartphone screen with a short alert sound. The app synchronizes through Bluetooth® to an electronic monitor (EM) attached to the medication canister. The EM contains a chip registering the amount of foam, day and time the patient use the foam dispenser. The information is displayed in a diary that shows the amount of Cal/BD cutaneous foam used and the number of applied treatment sessions. The app has an optional diary with the patient’s rating of symptoms. Non-intervention: Use of Cal/BD cutaneous foam and EM without the app. All participants are prescribed Cal/BD cutaneous foam prn for the entire study period. Primary outcome obtained in week 4: rates of adherence measured by patient report, weight of medication canisters, and number of treatment sessions measured by the EM. Secondary outcomes obtained at baseline, weeks 4, 8, and 26: Lattice System Physician’s Global Assessment (LS-PGA) and Dermatology Quality of Life Index (DLQI). Discussion This trial tests of whether an app can improve rates of adherence to a topical antipsoriatic drug. If the app improves rates of adherence and reduces the burden of psoriasis in a clinically significant way, the app could easily be implemented as a standard routine of care in the clinic. Trial registration NCT02858713 , registered on August 3, 2016. EudraCT number 2016–002143-42.