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- Gaillard, R. C., et al.
(författare)
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Overall and cause-specific mortality in GH-deficient adults on GH replacement
- 2012
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Ingår i: European Journal of Endocrinology. - : Oxford University Press (OUP). - 0804-4643 .- 1479-683X. ; 166:6, s. 1069-1077
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Tidskriftsartikel (refereegranskat)abstract
- Objective: Hypopituitarism is associated with an increased mortality rate but the reasons underlying this have not been fully elucidated. The purpose of this study was to evaluate mortality and associated factors within a large GH-replaced population of hypopituitary patients. Design: In KIMS (Pfizer International Metabolic Database) 13 983 GH-deficient patients with 69 056 patient-years of follow-up were available. Methods: This study analysed standardised mortality ratios (SMRs) by Poisson regression. IGF1 SDS was used as an indicator of adequacy of GH replacement. Statistical significance was set to P<0.05. Results: All-cause mortality was 13% higher compared with normal population rates (SMR, 1.13; 95% confidence interval, 1.04-1.24). Significant associations were female gender, younger age at follow-up, underlying diagnosis of Cushing's disease, craniopharyngioma and aggressive tumour and presence of diabetes insipidus. After controlling for confounding factors, there were statistically significant negative associations between IGF1 SDS after 1, 2 and 3 years of GH replacement and SMR. For cause-specific mortality there was a negative association between 1-year IGF1 SDS and SMR for deaths from cardiovascular diseases (P=0.017) and malignancies (P=0.044). Conclusions: GH-replaced patients with hypopituitarism demonstrated a modest increase in mortality rate; this appears lower than that previously published in GH-deficient patients. Factors associated with increased mortality included female gender, younger attained age, aetiology and lower IGF1 SDS during therapy. These data indicate that GH replacement in hypopituitary adults with GH deficiency may be considered a safe treatment.
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- Hjelm-Wallén, Lena, et al.
(författare)
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Det behövs mer än värnplikt
- 2016
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Ingår i: Svenska dagbladet. - 1101-2412. ; :2016-10-07, s. 6-6
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Tidskriftsartikel (populärvet., debatt m.m.)abstract
- Människors säkerhet handlar om mycket mer än det rent militära. Därför är det är dags att överväga att införa allmän medborgartjänst för alla medborgare kring tjugoårsåldern.
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- Höglund, M., et al.
(författare)
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Mobilization of CD34+ cells by glycosylated and nonglycosylated G-CSF in healthy volunteers : a comparative study
- 1997
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Ingår i: European Journal of Haematology. - : Wiley. - 0902-4441 .- 1600-0609. ; 59:3, s. 177-183
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Tidskriftsartikel (refereegranskat)abstract
- In vitro studies indicate that lenograstim (glycosylated G-CSF) is more potent than filgrastim (nonglycosylated G-CSF) on a weight for weight basis. However, such a difference has not yet been shown in vivo. The primary objective of this trial was to compare the efficacy of equivalent doses (microgram) of lenograstim and filgrastim in mobilizing CD34+ cells. Thirty-two healthy male volunteers, median age 27 yr (19-44 yr), were randomized to receive either lenograstim 10 micrograms/kg followed by filgrastim 10 micrograms/kg or vice versa with a washout period of a minimum 4 wk. Both drugs were administered as s.c. injections once daily for 5 d (d 1-5). CD34+ cells were mobilized with a similar kinetics, peaking at median d 6 (5-6) for both drugs. A significant difference in favour of lenograstim was shown for peak number of CD34+ cells/microliter blood (104 +/- 38 vs. 82 +/- 35, mean +/- 1 SD, p < 0.0001, paired t-test, n = 30) and number of CFU-GM/microliter blood at d 6 (14.6 +/- 8.4 vs. 10.2 +/- 4.6, p < 0.0001), respectively. There was no difference in the d 6 number of CD3+ cells. Both drugs were generally well tolerated and did not differ with respect to number of adverse events. In conclusion, lenograstim 10 micrograms/kg/d mobilizes PBPC more efficiently than the identical dose of filgrastim, indicating a difference in in vivo potency between the two G-CSFs.
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- Nilsson, Mats F., et al.
(författare)
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Improved methodology for identifying the teratogenic potential in early drug development of hERG channel blocking drugs
- 2010
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Ingår i: Reproductive Toxicology. - : Elsevier. - 0890-6238 .- 1873-1708. ; 29:2, s. 156-163
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Tidskriftsartikel (refereegranskat)abstract
- Drugs blocking the potassium current IKr of the heart (via hERG channel-inhibition) have the potential to cause hypoxia-related teratogenic effects. However, this activity may be missed in conventional teratology studies because repeat dosing may cause resorptions. The aim of the present study was to investigate an alternative protocol to reveal the teratogenic potential of IKr-blocking drugs. The IKr blocker astemizole, given as a single dose (80mg/kg) on gestation day (GD) 13 to pregnant rats caused digital defects. In whole rat embryo culture (2h) on GD 13, astemizole caused a decrease in embryonic heart rate at 20nM, and arrhythmias at 200-400nM. Cetirizine, without IKr-blocking properties, did not affect the rat embryonic heart in vitro. The present study shows that single dose testing on sensitive days of development, together with whole embryo culture, can be a useful methodology to better characterize the teratogenic potential of IKr-blocking drugs.
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- Barbosa, Edna J L, 1961, et al.
(författare)
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Extracellular water and blood pressure in adults with growth hormone (GH) deficiency: a genotype-phenotype association study.
- 2014
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Ingår i: PloS one. - : Public Library of Science (PLoS). - 1932-6203. ; 9:8
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Tidskriftsartikel (refereegranskat)abstract
- Growth hormone deficiency (GHD) in adults is associated with decreased extracellular water volume (ECW). In response to GH replacement therapy (GHRT), ECW increases and blood pressure (BP) reduces or remains unchanged. Our primary aim was to study the association between polymorphisms in genes related to renal tubular function with ECW and BP before and 1 year after GHRT. The ECW measures using bioimpedance analysis (BIA) and bioimpedance spectroscopy (BIS) were validated against a reference method, the sodium bromide dilution method (Br(-)).
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| 8. |
- Barbosa, Edna J L, 1961, et al.
(författare)
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Genotypes associated with lipid metabolism contribute to differences in serum lipid profile of GH-deficient adults before and after GH replacement therapy.
- 2012
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Ingår i: European journal of endocrinology / European Federation of Endocrine Societies. - 1479-683X .- 0804-4643. ; 167:3, s. 353-62
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Tidskriftsartikel (refereegranskat)abstract
- bjective: GH deficiency (GHD) in adults is associated with an altered serum lipid profile that responds to GH replacement therapy (GHRT). This study evaluated the influence of polymorphisms in genes related to lipid metabolism on serum lipid profile before and after 1 year of GHRT in adults. Design and methods: In 318 GHD patients, total cholesterol (TC) serum concentrations, LDL-C, HDL-C, and triglycerides (TG) were assessed. Using a candidate gene approach, 20 single nucleotide polymorphisms (SNPs) were genotyped. GH dose was individually titrated to obtain normal serum IGF1 concentrations. Results: At baseline, the minor alleles of cholesteryl ester transfer protein (CETP) gene SNPs rs708272 and rs1800775 were associated with higher serum TC and apolipoprotein E (APOE) gene SNP rs7412 with lower TC concentrations; CETP SNPs rs708272, rs1800775, and rs3764261 and apolipoprotein B (APOB) gene SNP rs693 with higher serum HDL-C; APOE SNP rs7412, peroxisome proliferator-activated receptor gamma (PPARG) gene SNP rs10865710 with lower LDL-C, and CETP SNP rs1800775 with higher LDL-C; and APOE/C1/C4/C2 cluster SNP rs35136575 with lower serum TG. After treatment, APOB SNP rs676210 GG genotype was associated with larger reductions in TC and LDL-C and PPARG SNP rs10865710 CC genotype with greater TC reduction. All associations remained significant when adjusted for age, sex, and BMI. Conclusions: In GHD adults, multiple SNPs in genes related to lipid metabolism contributed to individual differences in baseline serum lipid profile. The GH treatment response in TC and LDL-C was influenced by polymorphisms in the APOB and PPARG genes.
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- Barbosa, Edna J L, 1961, et al.
(författare)
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Influence of the Exon 3-deleted/full-length Growth Hormone Receptor Polymorphism on the Response to Growth Hormone Replacement Therapy in Adults with Severe Growth Hormone Deficiency. : d3-GHR isoform in GHD adults
- 2009
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Ingår i: The Journal of clinical endocrinology and metabolism. - : The Endocrine Society. - 0021-972X .- 1945-7197. ; 94:2, s. 639-644
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Tidskriftsartikel (refereegranskat)abstract
- Context: There is considerable individual variation in the clinical response to growth hormone (GH) replacement therapy in GH deficient (GHD) adults. Useful predictors of treatment response are lacking. Objective: To assess the influence of the exon 3-deleted (d3-GHR) and full-length (fl-GHR) GH receptor isoforms on the response to GH replacement therapy in adults with severe GHD. Design, Patients: 124 adult GHD patients (79 men, median age 50 years) were studied before and after 12 months of GH therapy. GHD patients were divided into those bearing fl/fl alleles (Group 1) and those bearing at least one d3-GHR allele (Group 2), and the genotype was related to the effects of GH therapy on IGF-I levels and total body fat (BF). Intervention: GH dose was individually titrated to obtain normal serum IGF-I levels. Main Outcome Measures: GHR genotype was determined by PCR amplification, IGF-I levels by immunoassay, and BF by a four-compartment model. Results: Seventy-two (58%) patients had fl/fl genotype and were classified as Group 1, while 52 (42%) had at least one d3-GHR allele and were classified as Group 2 (40 were heterozygous and 12 were homozygous). At baseline, there were no significant differences in the study groups. Changes in IGF-I and BF after 12 months of GH treatment did not differ significantly between the two genotype groups. Conclusion: The presence of d3-GHR allele did not influence the response to GH replacement therapy in our cohort of adults with severe GHD.
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