Unknown

Dataset Information

0

Gene-Hormone Therapy Interaction and Fracture Risk in Postmenopausal Women.


ABSTRACT: Context:Evidence supports a protective effect of menopausal hormone therapy (HT) on bone. However, whether genetic susceptibility modifies the association of HT and fracture risk is not sufficiently explored. Objective:The objective was to test an interaction between genetic susceptibility and HT on fracture risk. Design:We constructed two weighted genetic risk scores (GRSs) based on 16 fracture-associated variants (Fx-GRSs) and 50 bone mineral density variants (BMD-GRSs). We used Cox regression to estimate the main effects of GRSs and their interactions with HT on fracture risk. We estimated the relative excess risk due to interaction (RERI) as a measure of additive interaction. We also used the case-only approach to test for a multiplicative interaction. Setting:Forty US clinical centers. Participants:A total of 9922 genotyped white postmenopausal women (age, 50 to 79) from the Women's Health Initiative HT randomized trials. Main Outcome Measures:Adjudicated fracture incidence. Results:Both GRSs were associated with fracture risk per 1-unit increment in GRS (hazard ratio, 1.04 [95% confidence interval, 1.02 to 1.06] for Fx-GRS and hazard ratio, 1.03 [95% confidence interval,1.02-1.04] for BMD-GRS). We found no evidence for multiplicative interaction for either of the GRS. However, we observed a substantial additive interaction, where the highest quartile of both GRSs and randomization to placebo have excess fracture risk: Fx-GRS P for RERI = 0.047, BMD-GRS P for RERI = 0.046. Conclusions:These results suggest that HT reduces fracture risk in postmenopausal women, especially in those at highest genetic risk of fracture and low BMD.

SUBMITTER: Wang Y 

PROVIDER: S-EPMC5470770 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

altmetric image

Publications

Gene-Hormone Therapy Interaction and Fracture Risk in Postmenopausal Women.

Wang Youjin Y   Wactawski-Wende Jean J   Sucheston-Campbell Lara E LE   Preus Leah L   Hovey Kathleen M KM   Nie Jing J   Jackson Rebecca D RD   Handelman Samuel K SK   Nassir Rami R   Crandall Carolyn J CJ   Ochs-Balcom Heather M HM  

The Journal of clinical endocrinology and metabolism 20170601 6


<h4>Context</h4>Evidence supports a protective effect of menopausal hormone therapy (HT) on bone. However, whether genetic susceptibility modifies the association of HT and fracture risk is not sufficiently explored.<h4>Objective</h4>The objective was to test an interaction between genetic susceptibility and HT on fracture risk.<h4>Design</h4>We constructed two weighted genetic risk scores (GRSs) based on 16 fracture-associated variants (Fx-GRSs) and 50 bone mineral density variants (BMD-GRSs).  ...[more]

Similar Datasets

2008-08-21 | GSE12446 | GEO
| S-EPMC3580413 | biostudies-literature
| S-EPMC3584677 | biostudies-literature
| S-EPMC7050793 | biostudies-literature
| S-EPMC7560920 | biostudies-literature
| S-EPMC5474146 | biostudies-literature
| S-EPMC2682463 | biostudies-literature
| S-EPMC6822158 | biostudies-literature
| S-EPMC2277453 | biostudies-other
| S-EPMC4832288 | biostudies-literature