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Biomedical subjects

F Giongo

Publications and source records attributed to F Giongo.

11 recordsLinked to original sources

Methylprednisolone as palliative therapy for female terminal cancer patients. The Methylprednisolone Female Preterminal Cancer Study Group.

A total of 173 female terminal cancer patients were randomized to treatment with daily 125 mg infusions of methylprednisolone sodium succinate or a matching placebo for a period of 8 consecutive weeks. Data were collected relative to quality of life, investigator assessment of efficacy and cause and time of death within the 8-week treatment period. Significant improvement in quality of life was reported across the 8-week follow-up period in the steroid group. Investigator global assessment of efficacy significantly favored the steroid-treatment patients. There were no significant differences between treatment groups with regard to overall mortality rates or time to death. The total number of reported adverse events did not differ significantly between treatment groups. However, significantly more steroid patients reported gastrointestinal and cardiovascular events. The severity and outcome of these events did not differ from the placebo patients. The results of this study confirm previous reports of steroid efficacy in improving quality of life in terminal cancer patients. The absence of any untoward effect on mortality and the favorable safety profile support the use of methylprednisolone as palliative therapy for terminal cancer patients.

Double-Blind Method

Homing pigeons subjected to section of the anterior commissure can build up two olfactory maps in the deflector lofts.

Pigeons kept in two cages with screens which deflect the wind clockwise (CW) or counter-clockwise (CCW) show corresponding deflections in their initial orientation. In order to determine the nature of this phenomenon, experimental birds were treated as follows: The anterior commissure of the forebrain (AC), which mediates the interhemispheric transfer of olfactory input was sectioned; After surgery, each experimental bird was kept alternately in a CW cage with its right nostril plugged, and in a CCW cage with its left nostril plugged; the two treatments were alternated every 3 days for 69 days before test releases began. In 23 out of 28 cases the experimentals showed CW deflections when released with the right nostril plugged and CCW deflections when released with the left nostril plugged. The controls were intact, and their nostrils were free in each phase of the experiment. They were subdivided into two groups: one group was kept in the CW cage when the experimentals were in the same cage, the other group in the CCW cage when the experimentals stayed there. In the remaining time each group was kept in a fenced loft. The behaviour of controls demonstrated that the time the experimentals had spent in each kind of deflector cage had been long enough to produce the corresponding deflections in initial orientation. Control experiments were then performed on pigeons with the AC sectioned (2 series) and on intact birds (1 series), both maintained in lofts which did not deflect the wind, and released with one nostril plugged. They did not show deflections similar to those of the experimentals.(ABSTRACT TRUNCATED AT 250 WORDS)

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