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PubMed1992

[The kinetics of vaccine antibodies against tetanus toxoid, diphtheria toxoid, measles virus, poliomyelitis virus and pneumococcus after allogeneic and autologous bone marrow transplantation and revaccination. 3: The kinetics of vaccine antibodies against tetanus toxoid and diphtheria toxoid after allogeneic and autologous bone marrow transplantation and combined revaccination against diphtheria and tetanus].

The 3rd part of the paper deals with the results of a combined revaccination against diphtheria and tetanus in a group of 25 children after allogeneic bone marrow transplantation (BMT) with and without graft versus host disease (GvHD) and after autologous transplantation. It can be shown that in the allogeneic transplanted groups with and without GvHD it is possible to build up a tetanus and diphtheria antitoxin titre in a safe protective cause by a 2nd basic immunisation consisting of 3 single vaccinations starting about 9 to 12 months later. For autologous transplanted children only 1 to 2 vaccinations at a later term than for the allogeneic transplanted children may possibly be sufficient.

Bone Marrow Transplantation↗
PubMed1989

[Relation of the kinetics of the antisecretory effect and kinetics of blood concentration in man. Comparing cimetidine and ranitidine].

The time course of antisecretory effects of ranitidine and cimetidine and their relationship to plasma concentration were studied in 4 healthy volunteers. Placebo, cimetidine (266 mg) or ranitidine (100 mg) were infused during one hour preceding the 90 minute assessment of food-stimulated gastric acid secretion (intragastric titration); cimetidine and ranitidine blood levels and gastric acid outputs were measured at 15 min intervals. For each test a significant (p less than or equal to 0.01) correlation was found between concentration and effect. The half-life effect of ranitidine (t1/2 E) was significantly (p less than or equal to 0.05) greater than t1/2 E of cimetidine whereas their plasma half-lives (t1/2) were similar. The ratio t1/2 E/t1/2 was significantly (p less than or equal to 0.05) lower with cimetidine than with ranitidine. Explanations for this discrepancy are analyzed according to various hypotheses. The determination of t1/2 E seems to be a good approach to the duration of action of H2-antagonists. Our results show that the ratio t1/2 E/t1/2 and the t1/2 E might be important pharmacokinetic parameters to compare various H2-receptor antagonists.

Adult↗