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Title Author(s) Journal Nature Retracted Citations Actions
Three-year experience with alendronate treatment in postmenopausal osteoporotic…
Medicine - Obstetri… Medicine - Pharmaco… +1
Jun Iwamoto, Yoshihiro Sato et al.
Drugs & Aging
Springer
Retraction Aug 16, 2019
2
Response of cortical and cancellous bones to mild calcium deficiency in young g…
Biochemistry Biology - Cellular +1
Jun Iwamoto, Tsuyoshi Takeda et al.
Experimental Animals
Japanese Association for…
Retraction Aug 14, 2019
13
Preventive effects of risedronate and calcitriol on cancellous osteopenia in ra…
Biochemistry Biology - Cellular +1
Jun Iwamoto, Azusa Seki et al.
Experimental Animals
Japanese Association for…
Retraction Aug 14, 2019
15
Additive effect of vitamin K2 and risedronate on long bone mass in hypophysecto…
Biochemistry Biology - Cellular +1
Jun Iwamoto, Tsuyoshi Takeda et al.
Experimental Animals
Japanese Association for…
Retraction Aug 14, 2019
5
Three-year experience with alendronate treatment in postmenopausal osteoporotic…
Medicine - Diabetes Medicine - Obstetri… +3
Jun Iwamoto, Yoshihiro Sato et al.
Diabetes Research and Clinical Pra…
Elsevier
Retraction Jul 31, 2019
19
Effects of Vitamin D Supplementation on Calcium Balance and Bone Growth in Youn…
Biology - Cellular Nutrition +2
Jun Iwamoto, James K Yeh et al.
Hormone Research in Paediatrics
Karger
Retraction May 24, 2019
11
Effects of Vitamin K-2 Administration on Calcium Balance and Bone Mass in Young…
Biochemistry Biology - Cellular +2
Jun Iwamoto, James K Yeh et al.
Hormone Research in Paediatrics
Karger
Retraction May 24, 2019
5
Effects of combined administration of alfacalcidol and risedronate on cancellou…
Biology - Cellular Toxicology +1
Jun Iwamoto, Azusa Seki et al.
Chinese Journal of Physiology
Wolters Kluwer - Medknow
Retraction Apr 25, 2019
0
Effect of risedronate on the cortical and cancellous bone mass and mechanical p…
Biochemistry Toxicology +2
Jun Iwamoto, Azusa Seki et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 28, 2019
10
Comparative effects of vitamin K and vitamin D supplementation on calcium balan…
Biochemistry Nutrition +1
Jun Iwamoto, James K Yeh et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 28, 2019
1
Comparative therapeutic effects of alendronate and alfacalcidol on cancellous a…
Biochemistry Toxicology +2
Jun Iwamoto, Azusa Seki et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 28, 2019
9
Effects of alfacalcidol on cancellous and cortical bone mass in rats treated wi…
Biochemistry Toxicology +1
Jun Iwamoto, Azusa Seki et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 28, 2019
9
Beneficial effect of pretreatment and treatment continuation with risedronate a…
Biochemistry Toxicology +2
Jun Iwamoto, Tsuyoshi Takeda et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 28, 2019
3
Comparison of Effect of Treatment with Etidronate and Alendronate on Lumbar Bon…
Medicine - Geriatric Medicine - Orthoped… +2
Jun Iwamoto, Tsuyoshi Takeda et al.
Yonsei Medical Journal
Yonsei University Colleg…
Retraction Dec 13, 2018
13
Differential Effect of Vitamin K and Vitamin D Supplementation on Bone Mass in …
Biochemistry Biology - Cellular +2
Jun Iwamoto, Tsuyoshi Takeda et al.
Yonsei Medical Journal
Yonsei University Colleg…
Retraction Dec 13, 2018
6
Combined treatment with vitamin k2 and bisphosphonate in postmenopausal women w…
Medicine - Geriatric Medicine - Orthoped… +1
Jun Iwamoto, Tsuyoshi Takeda et al.
Yonsei Medical Journal
Yonsei University Colleg…
Retraction Dec 13, 2018
22
Therapeutic effect of risedronate on cancellous and cortical bone in ovariectom…
Biochemistry Biology - Cellular +3
Jun Iwamoto, Azusa Seki et al.
Experimental Animals
Japanese Association for…
Retraction Jul 30, 2018
3
Effect of pre- and post-surgery treatment with risedronate on trabecular bone l…
Biochemistry Biology - Cellular +3
Jun Iwamoto, Tsuyoshi Takeda et al.
Experimental Animals
Japanese Association for…
Retraction Jul 30, 2018
2
Comparative effects of alendronate and alfacalcidol on cancellous and cortical …
Biochemistry Biology - Cellular +3
Jun Iwamoto, Azusa Seki et al.
Experimental Animals
Japanese Association for…
Retraction Jul 30, 2018
5
Sunlight exposure is important for preventing hip fractures in patients with Al…
Medicine - Alternat… Medicine - Geriatric +3
Jun Iwamoto, Tsuyoshi Takeda et al.
Acta Neurologica Scandinavica
Wiley
Retraction Mar 30, 2018
18
Three-year experience with alendronate treatment in postmenopausal osteoporotic Japanese women with or without renal dy…
Retraction
Jun Iwamoto , Yoshihiro Sato , Mitsuyoshi Uzawa et al.
Drugs & Aging ( Springer )
Medicine - Obstetrics/Gynecol… Medicine - Pharmacology Medicine - Urology/Nephrology
Concerns/Issues About Authorship/Affili… Concerns/Issues About Data +1 more
2 citations
Open Access
DOI
Retraction: Aug 16, 2019
Published: Feb 01, 2012
6.3 years years since retraction
Response of cortical and cancellous bones to mild calcium deficiency in young growing female rats: a bone histomorphome…
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Toxicology
Duplication of/in Article
13 citations
Open Access
DOI
Retraction: Aug 14, 2019
Published: Aug 04, 2004
6.3 years years since retraction
Preventive effects of risedronate and calcitriol on cancellous osteopenia in rats treated with high-dose glucocorticoid.
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Toxicology
Duplication of/in Article
15 citations
Open Access
DOI
Retraction: Aug 14, 2019
Published: Aug 01, 2006
6.3 years years since retraction
Additive effect of vitamin K2 and risedronate on long bone mass in hypophysectomized young rats
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Toxicology
Duplication of/in Article
5 citations
Open Access
DOI
Retraction: Aug 14, 2019
Published: Apr 26, 2007
6.3 years years since retraction
Three-year experience with alendronate treatment in postmenopausal osteoporotic Japanese women with or without type 2 d…
Retraction
Jun Iwamoto , Yoshihiro Sato , Mitsuyushi Uzawa et al.
Diabetes Research and Clinical Practice ( Elsevier )
Medicine - Diabetes Medicine - Obstetrics/Gynecol… Medicine - Orthopedics +2 more
Concerns/Issues About Data Concerns/Issues about Results and/or Co… +4 more
19 citations
Open Access
DOI
Retraction: Jul 31, 2019
Published: Apr 27, 2011
6.3 years years since retraction
Effects of Vitamin D Supplementation on Calcium Balance and Bone Growth in Young Rats Fed Normal or Low Calcium Diet
Retraction
Jun Iwamoto , James K Yeh , Tsuyoshi Takeda et al.
Hormone Research in Paediatrics ( Karger )
Biology - Cellular Nutrition Toxicology +1 more
Concerns/Issues About Data Misconduct - Official Investigation(s) … +1 more
11 citations
Open Access
DOI
Retraction: May 24, 2019
Published: Mar 17, 2004
6.5 years years since retraction
Effects of Vitamin K-2 Administration on Calcium Balance and Bone Mass in Young Rats Fed Normal or Low Calcium Diet
Retraction
Jun Iwamoto , James K Yeh , Tsuyoshi Takeda et al.
Hormone Research in Paediatrics ( Karger )
Biochemistry Biology - Cellular Nutrition +1 more
Concerns/Issues About Data Investigation by Company/Institution +2 more
5 citations
Open Access
DOI
Retraction: May 24, 2019
Published: May 09, 2005
6.5 years years since retraction
Effects of combined administration of alfacalcidol and risedronate on cancellous and cortical bone mass of the tibia in…
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Chinese Journal of Physiology ( Wolters Kluwer - Medknow )
Biology - Cellular Toxicology Medicine - Orthopedics
Concerns/Issues About Authorship/Affili… Concerns/Issues About Data +1 more
0 citations
Open Access
DOI
Retraction: Apr 25, 2019
Published: Jun 30, 2008
6.6 years years since retraction
Effect of risedronate on the cortical and cancellous bone mass and mechanical properties in ovariectomized rats: a comp…
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biochemistry Toxicology Medicine - Obstetrics/Gynecol… +1 more
Duplication of/in Article
10 citations
Open Access
DOI
Retraction: Feb 28, 2019
Published: Dec 01, 2006
6.7 years years since retraction
Comparative effects of vitamin K and vitamin D supplementation on calcium balance in young rats fed normal or low calci…
Retraction
Jun Iwamoto , James K Yeh , Tsuyoshi Takeda et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biochemistry Nutrition Toxicology
Duplication of/in Article
1 citations
Open Access
DOI
Retraction: Feb 28, 2019
Published: Aug 01, 2005
6.7 years years since retraction
Comparative therapeutic effects of alendronate and alfacalcidol on cancellous and cortical bone mass and mechanical pro…
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biochemistry Toxicology Medicine - Obstetrics/Gynecol… +1 more
Duplication of/in Article
9 citations
Open Access
DOI
Retraction: Feb 28, 2019
Published: Feb 01, 2006
6.7 years years since retraction
Effects of alfacalcidol on cancellous and cortical bone mass in rats treated with glucocorticoid: a bone histomorphomet…
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biochemistry Toxicology Medicine - Orthopedics
Duplication of/in Article
9 citations
Open Access
DOI
Retraction: Feb 28, 2019
Published: Jun 01, 2007
6.7 years years since retraction
Beneficial effect of pretreatment and treatment continuation with risedronate and vitamin K2 on cancellous bone loss af…
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biochemistry Toxicology Medicine - Obstetrics/Gynecol… +1 more
Duplication of/in Article
3 citations
Open Access
DOI
Retraction: Feb 28, 2019
Published: Oct 01, 2006
6.7 years years since retraction
Comparison of Effect of Treatment with Etidronate and Alendronate on Lumbar Bone Mineral Density in Elderly Women with …
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato et al.
Yonsei Medical Journal ( Yonsei University College of … )
Medicine - Geriatric Medicine - Orthopedics Medicine - Pharmacology +1 more
Duplication of Data Investigation by Company/Institution +2 more
13 citations
Open Access
DOI
Retraction: Dec 13, 2018
Published: Dec 31, 2005
6.9 years years since retraction
Differential Effect of Vitamin K and Vitamin D Supplementation on Bone Mass in Young Rats Fed Normal or Low Calcium Diet
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Shoichi Ichimura et al.
Yonsei Medical Journal ( Yonsei University College of … )
Biochemistry Biology - Cellular Nutrition +1 more
Duplication of Data Investigation by Company/Institution +2 more
6 citations
Open Access
DOI
Retraction: Dec 13, 2018
Published: Feb 17, 2009
6.9 years years since retraction
Combined treatment with vitamin k2 and bisphosphonate in postmenopausal women with osteoporosis
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Shoichi Ichimura
Yonsei Medical Journal ( Yonsei University College of … )
Medicine - Geriatric Medicine - Orthopedics Medicine - Pharmacology
Duplication of Data Investigation by Company/Institution +1 more
22 citations
Open Access
DOI
Retraction: Dec 13, 2018
Published: Mar 30, 2009
6.9 years years since retraction
Therapeutic effect of risedronate on cancellous and cortical bone in ovariectomized osteopenic rats: a comparison with …
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Biology - Molecular +2 more
Duplication of/in Article Investigation by Company/Institution +2 more
3 citations
Open Access
DOI
Retraction: Jul 30, 2018
Published: Aug 01, 2006
7.3 years years since retraction
Effect of pre- and post-surgery treatment with risedronate on trabecular bone loss in ovariectomized rats
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Biology - Molecular +2 more
Duplication of/in Article Investigation by Company/Institution +2 more
2 citations
Open Access
DOI
Retraction: Jul 30, 2018
Published: Nov 08, 2006
7.3 years years since retraction
Comparative effects of alendronate and alfacalcidol on cancellous and cortical bone mass and bone mechanical properties…
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Biology - Molecular +2 more
Duplication of/in Article Investigation by Company/Institution +2 more
5 citations
Open Access
DOI
Retraction: Jul 30, 2018
Published: Aug 01, 2006
7.3 years years since retraction
Sunlight exposure is important for preventing hip fractures in patients with Alzheimer's disease, Parkinson's disease, …
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Hideo Matsumoto
Acta Neurologica Scandinavica ( Wiley )
Medicine - Alternative Medicine - Geriatric Medicine - Neurology +2 more
Cites Retracted Work Investigation by Company/Institution +2 more
18 citations
Open Access
DOI
Retraction: Mar 30, 2018
Published: Jun 18, 2011
7.6 years years since retraction