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The potential of metabolites to contribute to drug-drug interactions (DDIs) is not well defined. The aim of this study was to determine the quantitative role of circulating metabolites in inhibitory DDIs in vivo. The area under the plasma concentration-time curve (AUC) data related to at least one circulating metabolite was available for 71% of the 102(More)
BACKGROUND AND OBJECTIVES Fractionated radiofrequency (RF) induces deep dermal heating and leaves the epidermis less affected. We studied the efficacy and safety of bipolar RF and fractional diode laser followed by fractional RF in Asians with acne scars. MATERIALS AND METHODS Twenty-four patients (skin types III and IV) with acne scars received up to(More)
Acneiform eruption, psoriasis, folliculitis, and maculopapular eruption have been described as adverse reactions to lithium therapy. In controlled studies, patients treated with lithium developed more cutaneous reactions, particularly acne and psoriasis, than patients receiving other psychotropics, with a prevalence in lithium-treated patients as high as(More)
BACKGROUND AND OBJECTIVE In recent years, "laser toning" using low fluence, large spot size, multiple passed Q-switched 1,064 nm Nd:YAG laser has gained much popularity in Asian countries for non-ablative skin rejuvenation and the treatment of melasma. This case series highlights one of the complications associated with laser toning, which is facial(More)
Using a questionnaire survey, the prevalence and severity of acne were assessed in a randomized sample of 522 persons (aged 15-25 years) out of 5,522 telephone interviews in Hong Kong. The prevalence of self-reported acne was 91.3%. At the time of interview, 52.2% had acne. More acne scars and pigmentation were present (52.6%) than in a Western population;(More)
BACKGROUND AND OBJECTIVES The reaction to intense pulsed light (IPL) on Asian skin often differs from that on Caucasian skin. The study reported herein evaluated the effect on acne vulgaris of IPL alone and when IPL was combined with photodynamic therapy (PDT) using topical methyl aminolevulinate (MAL) in Asians. STUDY DESIGN/MATERIALS AND METHODS Thirty(More)
BACKGROUND AND OBJECTIVES Ablative fractional resurfacing (AFR) is a new modality for photorejuvenation and acne scars which combines carbon dioxide (CO₂) laser ablation with fractional photothermolysis. The objective is to evaluate the efficacy and side effects of a new fractional CO₂ ablative device (Fraxel Re:pair) for skin rejuvenation and acne scars in(More)
BACKGROUND AND OBJECTIVES Transcutaneous intense focused ultrasound has emerged as a novel technology for non-invasive skin tightening. The objective of this study was to evaluate the safety profile of a transcutaneous focused ultrasound device for the treatment of facial skin laxity in Asians. MATERIALS AND METHODS The patients received one to three(More)
BACKGROUND AND OBJECTIVES Non-ablative fractional resurfacing (NA FR) has been shown to be effective for photorejuvenation and acne scarring. Previous studies indicated that density, more than pulse energy, was associated with post-inflammatory hyperpigmentation (PIH) in Asians. The objective of this retrospective study was to assess the efficacy and(More)
BACKGROUND AND OBJECTIVE As the demand for non-invasive procedures for skin tightening is increasing, combined optical and radiofrequency (RF) devices have recently emerged. The purpose of this study is to evaluate the safety and efficacy of a device that combined broadband infrared (IR) light (700-2000 nm) and bipolar RF (electro-optical synergy [ELOS])(More)