Significantly less impact on BMD1-4
24% to 29% of participants in this substudy had osteopenia or osteoporosis at baseline
Mean % change in lumbar spine and hip BMD at Weeks 48 and 96 by DXA scans
The long-term clinical significance of changes in BMD is not known.
- BMD declines of ≥5% at the lumbar spine were experienced by 4% of participants in both treatment arms at Week 48, and in 4% of DESCOVY participants and 16% of FTC/TDF participants at Week 96. BMD declines of ≥7% at the total hip were experienced by 1% in both treatment arms at Week 48, and in 0% of DESCOVY participants and 1% of FTC/TDF participants at Week 96
- Analysis of these parameters was conducted in a subset of the study population (n=383)
Median age for the substudy was 37 years, with participants ranging from 19 to 74 years of age.
Changes in BMD were consistent over 144 weeks3-5
A separate analysis of this substudy from baseline to ≥144 weeks (DESCOVY®, n=191)
Mean % change in lumbar spine and hip BMD at Weeks 48, 96, and 144 by DXA scans
The long-term clinical significance of changes in BMD is not known.
- Analysis of these parameters was conducted in a subset of the study population (n=191)
Median age for the substudy was 37 years, with participants ranging from 19 to 74 years of age.
aDue to timing of the analysis and participant visits, 1 additional participant was included in the 144-week analysis.
DESCOVY® had less long-term impact on BMD in participants <25 years of age3,4,6
Males can continue to develop bone mass up to about age 30, highlighting the need to consider BMD loss in this group
Mean % change in lumbar spine and hip BMD at Weeks 48 and 96
The long-term clinical significance of changes in BMD is not known.
People may be staying on a PrEP medication for extended periods of time.2
Consider
BMD when prescribing a PrEP medication.
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BMD=bone mineral density; CI=confidence interval; DXA=dual-energy X-ray absorptiometry; FTC/TDF=emtricitabine/tenofovir disoproxil fumarate; PrEP=pre-exposure prophylaxis; SEM=standard error of the mean.
