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Robert Theiler

University of Zurich

25H-index
115Paper Count
4.5KCitation Count
Published Papers 32
Publication Date
Regular Proton-Pump Inhibitor Intake is Associated with Deterioration of Peripheral Bone Mineral Density, Microarchitecture, and Strength in Older Patients as Assessed by High-Resolution Peripheral Quantitative Computed Tomography (HR-pQCT)
err2025-10-22
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errUrsula Heilmeier; Alexandra Siegenthaler; Ursina Meyer; Marie Boensch; Melanie Kistler-Fischbacher; Caroline de Godoi Rezende Costa Molino; Bert van Rietbergen; Wei Lang; René Rizzoli; Robert Theiler; Andreas Egli; Heike Annette Bischoff-Ferrari
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Effects of vitamin D3, omega-3s, and a simple home exercise program on incident vertebral fractures: the DO-HEALTH randomized controlled trial
err2025-06-01
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errKistler-Fischbacher, Melanie; Armbrecht, Gabriele; Da Silva, Jose A. P.; Molino, Caroline de Godoi Rezende Costa; Theiler, Robert; Rizzoli, Rene; Vellas, Bruno; Dawson-Hughes, Bess; Kanis, John A.; Hofbauer, Lorenz C.; Orav, Endel John; Kressig, Reto W.; Egli, Andreas; Wanner, Guido A.; Bischoff-Ferrari, Heike A.
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Sex-Specific Fall Trajectories and Associated Self-Reported Risk Factors: A Prospective Analysis of the 3-Year 5-Country DO-HEALTH Trial
err2025-05-01
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errWieczorek, Maud; Freystaetter, Gregor; Theiler, Robert; Siebert, Uwe; Egli, Andreas; Masud, Tahir; Kanis, John A.; Bischoff-Ferrari, Heike A.
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Prevalence and incidence of osteoporotic vertebral fractures in community-dwelling European older adults: an observational analysis of the DO-HEALTH trial
err2025-04-25
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errAlbrecht, Andreas P.; Kistler-Fischbacher, Melanie; Molino, Caroline De Godoi Rezende Costa; Armbrecht, Gabriele; Freystaetter, Gregor; Theiler, Robert; Kressig, Reto W.; Da Silva, Jose A. P.; Rizzoli, Rene; Wanner, Guido A.; Egli, Andreas; Dawson-Hughes, Bess; Bischoff-Ferrari, Heike A.
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Effect of Vitamin D3, Omega-3 Fatty Acids, and Exercise on Serum Sclerostin Levels and Bone Turnover Markers
err2024-12-09
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errTsourdi, Elena; Gaengler, Stephanie; Kistler-Fischbacher, Melanie; Rauner, Martina; Dawson-Hughes, Bess; Orav, E. John; Tsai, Li-Tang; Lang, Wei; Kanis, John A.; Theiler, Robert; Egli, Andreas; Bischoff-Ferrari, Heike A.; Hofbauer, Lorenz C.; DO HLTH Res Grp
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Effects of testosterone and vitamin D on fall risk in pre-frail hypogonadal men: a factorial design RCT
err2024-05-01
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errBischoff-Ferrari, Heike A.; Kistler-Fischbacher, Melanie; Gaengler, Stephanie; Muenzer, Thomas; Dawson-Hughes, Bess; Lang, Wei; Theiler, Robert; Egli, Andreas; Orav, John; Freystaetter, Gregor
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Effects of vitamin D3, omega-3s, and a simple strength training exercise program on bone health: the DO-HEALTH randomized controlled trial
err2024-04-13
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errKistler-Fischbacher, Melanie; Armbrecht, Gabriele; Gangler, Stephanie; Theiler, Robert; Rizzoli, Rene; Dawson-Hughes, Bess; Kanis, John A.; Hofbauer, Lorenz C.; Schimmer, Ralph C.; Vellas, Bruno; Da Silva, Jose A. P.; John, Orav E.; Kressig, Reto W.; Andreas, Egli; Lang, Wei; Wanner, Guido A.; Bischoff-Ferrari, Heike A.
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p Association Between Multimorbidity and Rate of Falls: A 3-Year 5-Country Prospective Study in Generally Healthy and Active Community-Dwelling Adults Aged ≥70 Years
err2023-06-01
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errHuberty, Sarah; Freystatter, Gregor; Wieczorek, Maud; Dawson-Hughes, Bess; Kanis, John A.; Rizzoli, Rene; Kressig, Reto W.; Vellas, Bruno; Da Silva, Jose A. P.; Armbrecht, Gabriele; Theiler, Robert; Egli, Andreas; Orav, Endel J.; Bischoff-Ferrari, Heike A.
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Effects of vitamin D, omega-3 fatty acids, and a simple home strength exercise program on fall prevention: the DO-HEALTH randomized clinical trial
err2022-05-01
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errBischoff-Ferrari, Heike A.; Freystatter, Gregor; Vellas, Bruno; Dawson-Hughes, Bess; Kressig, Reto W.; Kanis, John A.; Willett, Walter C.; Manson, JoAnn E.; Rizzoli, Rene; Theiler, Robert; Hofbauer, Lorenz C.; Armbrecht, Gabriele; da Silva, Jose A. P.; Blauth, Michael; Molino, Caroline de Godoi Rezende Costa; Lang, Wei; Siebert, Uwe; Egli, Andreas; Orav, Endel J.; Wieczorek, Maud
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Combined Vitamin D, Omega-3 Fatty Acids, and a Simple Home Exercise Program May Reduce Cancer Risk Among Active Adults Aged 70 and Older: A Randomized Clinical Trial
err2022-04-25
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errBischoff-Ferrari, Heike A.; Willett, Walter C.; Manson, JoAnn E.; Dawson-Hughes, Bess; Manz, Markus G.; Theiler, Robert; Braendle, Kilian; Vellas, Bruno; Rizzoli, Rene; Kressig, Reto W.; Staehelin, Hannes B.; Da Silva, Jose A. P.; Armbrecht, Gabriele; Egli, Andreas; Kanis, John A.; Orav, Endel J.; Gaengler, Stephanie
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Evaluation of a Strength-Training Program on Clinical Outcomes in Older Adults Reply
err2021-03-16
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PREAI
errBischoff-Ferrari, Heike A.; Theiler, Robert; Molino, Caroline de Godoi Rezende Costa
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DO-HEALTH: Vitamin D3-Omega-3-Home exercise - Healthy aging and longevity trial - Design of a multinational clinical trial on healthy aging among European seniors
err2021-01-01
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errBischoff-Ferrari, Heike A.; Molino, Caroline de Godoi Rezende Costa; Rival, Sandrine; Vellas, Bruno; Rizzoli, Rene; Kressig, Reto W.; Kanis, John A.; Manson, JoAnn E.; Dawson-Hughes, Bess; Orav, Endel J.; da Silva, Jose A. P.; Blauth, Michael; Felsenberg, Dieter; Ferrari, Stephen M.; Theiler, Robert; Egli, Andreas
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Effect of Vitamin D Supplementation, Omega-3 Fatty Acid Supplementation, or a Strength-Training Exercise Program on Clinical Outcomes in Older Adults The DO-HEALTH Randomized Clinical Trial
err2020-11-10
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errBischoff-Ferrari, Heike A.; Vellas, Bruno; Rizzoli, Rene; Kressig, Reto W.; da Silva, Jose A. P.; Blauth, Michael; Felson, David T.; McCloskey, Eugene V.; Watzl, Bernhard; Hofbauer, Lorenz C.; Felsenberg, Dieter; Willett, Walter C.; Dawson-Hughes, Bess; Manson, JoAnn E.; Siebert, Uwe; Theiler, Robert; Staehelin, Hannes B.; de Godoi Rezende Costa Molino, Caroline; Chocano-Bedoya, Patricia O.; Abderhalden, Lauren A.; Egli, Andreas; Kanis, John A.; Orav, Endel J.
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Total Serum Testosterone and Western Ontario and McMaster Universities Osteoarthritis Index Pain and Function Among Older Men and Women With Severe Knee Osteoarthritis
err2020-10-29
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errFreystaetter, Gregor; Fischer, Karina; Orav, Endel J.; Egli, Andreas; Theiler, Robert; Munzer, Thomas; Felson, David T.; Bischoff-Ferrari, Heike A.
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Comparative Effectiveness of Functional Tests in Fall Prediction After Hip Fracture
err2020-09-01
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errWald, Patricia; Chocano-Bedoya, Patricia O.; Meyer, Ursina; Orav, Endel J.; Egli, Andreas; Theiler, Robert; Bischoff-Ferrari, Heike A.
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Effect of daily 2000 IU versus 800 IU vitamin D on blood pressure among adults age 60 years and older: a randomized clinical trial
err2020-09-01
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errAbderhalden, Lauren A.; Meyer, Sandra; Dawson-Hughes, Bess; Orav, E. John; Meyer, Ursina; Molino, Caroline de Godoi Rezende Costa; Theiler, Robert; Stahelin, Hannes B.; Ruschitzka, Frank; Egli, Andreas; Forman, John P.; Willett, Walter C.; Bischoff-Ferrari, Heike A.
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Polypharmacy and Kidney Function in Community-Dwelling Adults Age 60 Years and Older: A Prospective Observational Study
err2020-02-01
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errErnst, Rahel; Fischer, Karina; Molino, Caroline de Godoi Rezende Costa; Orav, Endel J.; Theiler, Robert; Meyer, Ursina; Fischler, Manuel; Gagesch, Michael; Ambuehl, Patrice M.; Freystaetter, Gregor; Egli, Andreas; Bischoff-Ferrari, Heike A.
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Effect of 800 IU Versus 2000 IU Vitamin D3 With or Without a Simple Home Exercise Program on Functional Recovery After Hip Fracture: A Randomized Controlled Trial
err2019-05-01
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errStemmle, Jerra; Marzel, Alex; Chocano-Bedoya, Patricia O.; Orav, E. John; Dawson-Hughes, Bess; Freystaetter, Gregor; Egli, Andreas; Theiler, Robert; Staehelin, Hannes B.; Bischoff-Ferrari, Heike A.
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Effect of Monthly Vitamin D on Chronic Pain Among Community-Dwelling Seniors: A Randomized, Double-Blind Controlled Trial
err2019-03-01
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errSchlogl, Mathias; Chocano-Bedoya, Patricia; Dawson-Hughes, Bess; Orav, Endel J.; Freystaetter, Gregor; Theiler, Robert; Kressig, Reto W.; Egli, Andreas; Bischoff-Ferrari, Heike A.
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Effect of Monthly High-Dose Vitamin D on Mental Health in Older Adults: Secondary Analysis of a RCT
err2019-02-01
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errGugger, Alenka; Marzel, Alex; Orav, E. John; Willett, Walter C.; Dawson-Hughes, Bess; Theiler, Robert; Freystatter, Gregor; Egli, Andreas; Bischoff-Ferrari, Heike A.
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