Osteoporosis & bone health

Genome-wide association study identifies genetic variants which predict the response of bone mineral density to teriparatide therapy

Ann Rheum DisPublished Genome-wide association study

Authors' conclusion

Genetic factors influence the response to TPTD at the lumbar spine and hip with a magnitude of effect that is clinically relevant.

Study context

Population
Patients with osteoporosis treated with teriparatide (TPTD), three referral centres
Participants
437 patients
Outcome
Response of BMD to TPTD at the lumbar spine and hip
Methodological detailstwo-stage, three referral centres
  • Two-stage
  • Three referral centres

Main finding

As reported in the abstract

Spine BMD response to TPTD: rs6430612 (chromosome 2, near CXCR4)
Association at genome-wide significance, beta
−0.35 (−0.47 to −0.23)
P
p=9.2×10-9

Further findings

Femoral neck and total hip bone mineral density (BMD) response: rs6430612

Associated, P
P = 0.007

Femoral neck BMD response: rs73056959 (chromosome 19 locus)

Beta
−1.61 (−2.14 to −1.07)
P
P = 3.5×10-9

Original publication

Genome-wide association study identifies genetic variants which predict the response of bone mineral density to teriparatide therapy. Ann Rheum Dis. Published 20 March 2023. doi:10.1136/ard-2022-223618

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