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Biomedical subjects

W A Griffiths

Publications and source records attributed to W A Griffiths.

At least 55 records · Page 3Linked to original sources
PubMed1986

Anti-androgen treatment in women with acne: a controlled trial.

Ninety female patients with acne were allocated randomly to one of three groups and treated either with Diane, a high dose cyproterone acetate (CPA) regime with ethinyloestradiol, or Minovlar. The same dose of oestrogen was common to all three treatment groups. Patients were assessed every 2 months for 6 months, by grading for severity of the acne, lesion counts and photography, and subjectively using a visual analogue scale. In addition, bacteriological sampling and sebum excretion rate (SER) measurements were performed. The results showed a clinical improvement in all three treatment groups, but a more rapid and complete response was seen in those groups who received CPA. There was also a consistent trend suggesting a more favourable response in those in the high dose CPA group. Although there was a marked reduction in SER in the groups treated with CPA, there was no correlation between reduction in SER and clinical improvement in individuals, nor could a reduction in the surface bacterial population be shown to be a primary event in the success of anti-androgen therapy. We have shown that the addition of CPA to oestrogen adds significantly to the therapeutic effect in acne and that anti-androgen and oestrogen combinations are more effective than standard oestrogen and progestagen contraceptive pills.

Acne Vulgaris↗
PubMed1985

O'Brien's actinic granuloma.

The nosological position of actinic granuloma of O'Brien remains controversial. In this report a typical case is described and the features which distinguish the condition from other closely related granulomatous disorders are discussed. Histological changes are of some value in distinguishing actinic granuloma from atypical facial necrobiosis, granuloma multiforme and granuloma annulare arising in elastotic sites. Final diagnosis, however, is usually based upon the clinical features. Our case showed a successful therapeutic response to intralesional steroid.

Diagnosis, Differential↗
PubMed1985

A comparative double blind study of ketoconazole and griseofulvin in dermatophytosis.

The merits of oral ketoconazole and griseofulvin in dermatophytosis have been compared in a double blind study on 74 patients with 152 infected sites. The initial daily doses were 200 mg and 500 mg respectively, but these were doubled after 3 months if there was an inadequate clinical response. Treatment was continued either until clinical and mycological remission was achieved or a year of therapy had been given. Seventy-five per cent (total 80) and 74% (total 72) of all infected sites treated with ketoconazole and griseofulvin respectively were cleared of infection. However, in toe nail infections the respective cure rates were only 21% and 17%. Ketoconazole appeared to act more rapidly in curing tinea corporis or tinea cruris due to Trichophyton rubrum, whereas griseofulvin was superior in T. interdigitale infections. No serious side-effects were encountered in either treatment group. In view of the slight risk of drug-induced hepatitis, ketoconazole is best reserved as a second-line drug for toe nail infections unless there are specific indications, such as griseofulvin intolerance. In these cases liver function tests should be monitored regularly throughout therapy.

Clinical Trials as Topic↗
PubMed1982

Experimentally induced complement and immunoglobulin deposition along the basement membrane zone (BMZ) and in dermal blood vessels.

Clinically normal forearm skin of ten subjects was abraded and biopsied at 24 h and at 5 and 10 day intergvals. Biopsy specimens were processed for routine histology and direct immunofluorescence. All ten subjects showed deposition of complement either in the blood vessels and/or along the basement membrane zone 24 h after injury. IgM deposition was found along the BMZ in two patients and in the blood vessels of the papillary dermis in one patient. This immunofluorescence staining was considered a non-specific reaction pattern to injury.

Basement Membrane↗