Efficacy and tolerance of a scalp-cooling system for prevention of hair loss and the experience of breast cancer patients treated by adjuvant chemotherapy.

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Support Care Cancer 2002 Oct;10(7):529-37

Efficacy and tolerance of a scalp-cooling system for prevention of hair loss and the experience of breast cancer patients treated by adjuvant chemotherapy.

The applicability and efficacy of a scalp cooling system were studied in 105 breast cancer patients receiving four cycles of adjuvant chemotherapy with mitoxantrone + cyclophosphamide (NC chemotherapy). Women accepting the scalp-cooling system were compared for alopecia both against those who refused and against a "reference" group of 109 patients similarly treated but without being offered a scalp-cooling system. Hair loss in the 105 study patients was evaluated by nurses using World Health Organization (WHO) criteria at each cycle of chemotherapy. Concomitantly, tolerance and side-effects of the helmet were also recorded in 48 accepting patients. Similarly to reference group patients, a subsample of 27 accepting patients self-assessed hair loss using a specific questionnaire measuring its frequency and severity and the distress associated with this symptom. Nurses' ratings ( n = 105) indicated that hair loss frequency was constantly lower, at each cycle of chemotherapy, in study patients with scalp-cooling system ( n = 77) than in those without ( n = 28). Differences between the two groups were statistically significant at cycles 1 and 3 ( P < 0.05). When compared with those reported by reference group patients ( n = 109), study patients' self-measures of alopecia frequency ( n = 27) provided even more marked results than those achieved by nurses (cycles 1-3: P < 0.01; cycle 4: P < 0.05). Tolerance was generally good and no scalp metastasis was observed among the 77 accepting patients followed up. This study demonstrates that scalp cooling was an effective method of protection against hair loss caused by NC chemotherapy. Its routine use as part of adjuvant chemotherapy, especially in cancers with low prevalences of scalp metastasis, should be seriously considered.

J Dermatol 2002 Apr;29(4):197-201

Ultrastructural study of acquired pili torti-like hair defects accompanying pseudopelade.

Acquired structural hair defects are caused by various physical and chemical manipulations. Plucked hairs and hair follicle biopsy specimens of pili torti-like hairs that arose from pseudopelade scalp were studied. In scanning electron microscopy, the hair shafts had a segmental pili torti-like appearance, accompanied by oblique or longitudinal grooves and ridges. In light microscopy, the hair follicles showed an asymmetric hair bulb and inner root sheath, and a shortened keratogenous zone within sclerosing fibrous connective tissue. In transmission electron microscopy, the numbers and thickness of the hair cuticle cells were different on the opposite sides of the hair shaft. The hair cuticle was irregularly shaped and formed asymmetric waves. The tonofilaments in the hair cortex ran almost parallel to the hair axis. From these findings, it was clear that the grooves and ridges were produced by the deformed hair cuticle and cortex, whose shapes were modulated by the asymmetric inner root sheath. This asymmetry most likely resulted from a dysfunctional dermal papilla, which was affected by fibrosis. The pili torti-like appearance appeared to be caused by the grooves and ridges that ran obliquely on the hair shaft surface.

Eur J Dermatol 2002 Jan-Feb;12(1):38-49

Long-term (5-year) multinational experience with finasteride 1 mg in the treatment of men with androgenetic alopecia.

BACKGROUND: Finasteride 1 mg (Propecia) is indicated for the treatment of men with androgenetic alopecia (male pattern hair loss, MPHL). However, the long-term (> 2 years) efficacy and safety of finasteride in this population has not been previously reported. Objectives. To assess the efficacy and safety of finasteride in men with MPHL compared to treatment with placebo over five years. METHODS: In two 1-year, Phase III trials, 1,553 men with MPHL were randomized to receive finasteride 1 mg/day or placebo, and 1,215 men continued in up to four 1-year, placebo-controlled extension studies. Efficacy was evaluated by hair counts, patient and investigator assessments, and panel review of clinical photographs. RESULTS: Treatment with finasteride led to durable improvements in scalp hair over five years (p 3/4 0.001 versus placebo, all endpoints), while treatment with placebo led to progressive hair loss. Finasteride was generally well tolerated and no new safety concerns were identified during long-term use. CONCLUSIONS: In men with MPHL, long-term treatment with finasteride 1 mg/day over five years was well tolerated, led to durable improvements in scalp hair growth, and slowed the further progression of hair loss that occurred without treatment.

Br J Nurs. 2003 May 8-21;12(9):550-8.

Case study of alopecia universalis and web-based news groups.

This article presents findings from an 18-month case study of a web-based news group used by individuals with alopecia universalis. Content analysis of 228 episodes of web-based communication that occurred in relation to themes of discussion was undertaken, supported by the use of concept mapping (Northcott, 1996). Analysis identified a core concept relating to that of a community of shared experience together with four supportive themes. The themes were the search for understanding and meaning, carrying on, seeking balance between past, present and future, and relating to new self, others, and the world. The article discusses the increased growth in the use of the web as a vehicle for exploring health concerns and the specific ethical and methodological issues raised by research in this area.

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