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20 of 93 papers
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Title Author(s) Journal Nature Retracted Citations Actions
Role of Vitamin K2 in the Treatment of Postmenopausal Osteoporosis
Medicine - Obstetri… Medicine - Orthoped… +1
Jun Iwamoto, Tsuyoshi Takeda et al.
Current Drug Safety
Bentham Science Publishe…
Retraction Aug 14, 2024
18
Amelioration by mecobalamin of subclinical carpal tunnel syndrome involving una…
Medicine - Neurology Medicine - Orthoped… +1
Yoshihiro Sato, Yoshiaki Honda et al.
Journal of the Neurological Scienc…
Elsevier
Retraction Jan 9, 2024
28
Risk factors for hip fracture among elderly patients with Alzheimer's disease
Biostatistics/Epide… Medicine - Geriatric +2
Yoshihiro Sato, Tomohiro Kanoko et al.
Journal of the Neurological Scienc…
Elsevier
Retraction Dec 2, 2023
80
Efficacy of Oral Etidronate for Skeletal Diseases in Japan
Medicine - Orthoped… Medicine - Pharmaco…
Jun Iwamoto, Tsuyoshi Takeda et al.
Yonsei Medical Journal
Yonsei University Colleg…
Retraction Apr 20, 2023
1
Comparative effects of vitamin K and vitamin D supplementation on prevention of…
Biology - Cellular Toxicology +1
Jun Iwamoto, James K Yeh et al.
Bone
Elsevier
Retraction Feb 27, 2023
46
Comparison of the Effects of Alendronate and Alfacalcidol on Hip Bone Mineral D…
Medicine - Orthoped… Medicine - Pharmaco…
Jun Iwamoto, Yoshihiro Sato et al.
Yonsei Medical Journal
Yonsei University Colleg…
Retraction Feb 17, 2023
16
Experience with alendronate treatment for four years among Japanese men with os…
Medicine - Orthoped… Medicine - Pharmaco…
Jun Iwamoto, Yoshihiro Sato et al.
Therapeutics and Clinical Risk Man…
Taylor and Francis - Dov…
Retraction Aug 10, 2022
31
Vitamin D Reduces Falls and Hip Fractures in Vascular Parkinsonism but Not in P…
Medicine - Neurology Medicine - Orthoped… +1
Yoshihiro Sato, Jun Iwamoto et al.
Therapeutics and Clinical Risk Man…
Taylor and Francis - Dov…
Retraction Aug 10, 2022
13
A Radiographic Study on the Associations of Age and Prevalence of Vertebral Fra…
Medicine - Orthoped… Radiology/Imaging
Jun Iwamoto, Hideo Matsumoto et al.
Journal of Osteoporosis
Hindawi
Expression of concern Aug 2, 2022
20
Effect of Treadmill Exercise on Bone Mass in Female Rats
Biology - Cellular Medicine - Orthoped… +1
Jun Iwamoto, Tsuyoshi Takeda et al.
Experimental Animals
Japanese Association for…
Retraction Aug 1, 2022
87
Differential effect of treadmill exercise on three cancellous bone sites in the…
Biochemistry Biology - Cellular +2
Jun Iwamoto, James K Yeh et al.
Bone
Elsevier
Expression of concern Jun 17, 2022
166
Effects of Vitamin K2 on Osteoporosis
Toxicology Medicine - Orthoped… +1
Jun Iwamoto, Tsuyoshi Takeda et al.
Current Pharmaceutical Design
Bentham Science Publishe…
Retraction Jul 6, 2021
67
Comparison of the effect of alendronate on lumbar bone mineral density and bone…
Biochemistry Biology - Cellular +4
Jun Iwamoto, Tsuyoshi Takeda et al.
Clinical Rheumatology
Springer
Retraction Jun 18, 2021
22
Effects of alendronate on metacarpal and lumbar bone mineral density, bone reso…
Toxicology Medicine - Obstetri… +2
Jun Iwamoto, Tsuyoshi Takeda et al.
Clinical Rheumatology
Springer
Retraction Jun 18, 2021
36
Experience with alendronate treatment for 7 years among Japanese men with osteo…
Medicine - Orthoped… Medicine - Pharmaco…
Jun Iwamoto, Mitsuyoshi Uzawa
Clinical Rheumatology
Springer
Expression of concern Jun 18, 2021
10
Effect of intermittent administration of hPTH(1-34) on cortical bone geometry i…
Biochemistry Biology - Cellular +1
Jun Iwamoto, Azusa Seki et al.
Chinese Journal of Physiology
Wolters Kluwer - Medknow
Retraction Feb 25, 2021
10
Effect of alendronate on bone mineral density and bone turnovermarkers in post-…
Medicine - Orthoped… Medicine - Pharmaco… +2
Jun Iwamoto, Mitsuyoshi Uzawa et al.
Journal of Bone and Mineral Metabo…
Springer
Retraction Feb 6, 2021
16
Beneficial Effect of Etidronate on Bone Loss After Cessation of Exercise in Pos…
Medicine - Obstetri… Medicine - Orthoped… +1
Jun Iwamoto, Tsuyoshi Takeda et al.
American Journal of Physical Medic…
Wolters Kluwer - Lippinc…
Retraction Feb 1, 2021
19
Influence of gastrectomy on cortical and cancellous bones in rats
Biology - Cellular Medicine - Gastroen… +2
Jun Iwamoto, Yoshihiro Sato et al.
Gastroenterology Research and Prac…
Hindawi
Retraction Oct 31, 2020
15
Homocysteine as a predictive factor for hip fracture in elderly women with Park…
Medicine - Neurology Medicine - Orthoped…
Yoshihiro Sato, Jun Iwamoto et al.
The American Journal of Medicine
Elsevier
Retraction Jul 27, 2020
56
Role of Vitamin K2 in the Treatment of Postmenopausal Osteoporosis
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato
Current Drug Safety ( Bentham Science Publishers )
Medicine - Obstetrics/Gynecol… Medicine - Orthopedics Medicine - Pharmacology
Cites Retracted Work Date of Article and/or Notice Unknown +2 more
18 citations
Open Access
DOI
Retraction: Aug 14, 2024
Published: Jan 01, 2006
1.3 year years since retraction
Amelioration by mecobalamin of subclinical carpal tunnel syndrome involving unaffected limbs in stroke patients
Retraction
Yoshihiro Sato , Yoshiaki Honda , Jun Iwamoto et al.
Journal of the Neurological Sciences ( Elsevier )
Medicine - Neurology Medicine - Orthopedics Medicine - Pharmacology
Concerns/Issues About Authorship/Affili… Concerns/Issues About Data +4 more
28 citations
Open Access
DOI
Retraction: Jan 09, 2024
Published: Jan 16, 2005
1.9 year years since retraction
Risk factors for hip fracture among elderly patients with Alzheimer's disease
Retraction
Yoshihiro Sato , Tomohiro Kanoko , Kei Satoh et al.
Journal of the Neurological Sciences ( Elsevier )
Biostatistics/Epidemiology Medicine - Geriatric Medicine - Neurology +1 more
Concerns/Issues About Authorship/Affili… Concerns/Issues About Data +5 more
80 citations
Open Access
DOI
Retraction: Dec 02, 2023
Published: Aug 30, 2004
2.0 year years since retraction
Efficacy of Oral Etidronate for Skeletal Diseases in Japan
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato
Yonsei Medical Journal ( Yonsei University College of … )
Medicine - Orthopedics Medicine - Pharmacology
Misconduct by Author Notice - Limited or No Information
1 citations
Open Access
DOI
Retraction: Apr 20, 2023
Published: Jun 30, 2005
2.6 years years since retraction
Comparative effects of vitamin K and vitamin D supplementation on prevention of osteopenia in calcium-deficient young r…
Retraction
Jun Iwamoto , James K Yeh , Tsuyoshi Takeda et al.
Bone ( Elsevier )
Biology - Cellular Toxicology Medicine - Orthopedics
Concerns/Issues About Authorship/Affili… Concerns/Issues About Data +1 more
46 citations
Open Access
DOI
Retraction: Feb 27, 2023
Published: Aug 09, 2003
2.7 years years since retraction
Comparison of the Effects of Alendronate and Alfacalcidol on Hip Bone Mineral Density and Bone Turnover in Japanese Men…
Retraction
Jun Iwamoto , Yoshihiro Sato , Mitsuyoshi Uzawa et al.
Yonsei Medical Journal ( Yonsei University College of … )
Medicine - Orthopedics Medicine - Pharmacology
Investigation by Company/Institution Misconduct - Official Investigation(s) … +1 more
16 citations
Open Access
DOI
Retraction: Feb 17, 2023
Published: Aug 19, 2009
2.8 years years since retraction
Experience with alendronate treatment for four years among Japanese men with osteoporosis or osteopenia and clinical ri…
Retraction
Jun Iwamoto , Yoshihiro Sato , Mitsuyoshi Uzawa et al.
Therapeutics and Clinical Risk Management ( Taylor and Francis - Dove Pre… )
Medicine - Orthopedics Medicine - Pharmacology
Concerns/Issues About Authorship/Affili… Concerns/Issues About Data +4 more
31 citations
Open Access
DOI
Retraction: Aug 10, 2022
Published: Dec 06, 2010
3.3 years years since retraction
Vitamin D Reduces Falls and Hip Fractures in Vascular Parkinsonism but Not in Parkinson’s Disease
Retraction
Yoshihiro Sato , Jun Iwamoto , Yoshiaki Honda et al.
Therapeutics and Clinical Risk Management ( Taylor and Francis - Dove Pre… )
Medicine - Neurology Medicine - Orthopedics Medicine - Pharmacology
Concerns/Issues About Authorship/Affili… Duplication of/in Article +3 more
13 citations
Open Access
DOI
Retraction: Aug 10, 2022
Published: Apr 22, 2013
3.3 years years since retraction
A Radiographic Study on the Associations of Age and Prevalence of Vertebral Fractures with Abdominal Aortic Calcificati…
Expression of concern
Jun Iwamoto , Hideo Matsumoto , Tsuyoshi Takeda et al.
Journal of Osteoporosis ( Hindawi )
Medicine - Orthopedics Radiology/Imaging
Concerns/Issues About Data Conflict of Interest +1 more
20 citations
Open Access
DOI
Expression of concern: Aug 02, 2022
Published: Dec 20, 2009
3.3 years years since retraction
Effect of Treadmill Exercise on Bone Mass in Female Rats
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato
Experimental Animals ( Japanese Association for Labo… )
Biology - Cellular Medicine - Orthopedics Medicine - Sports
Concerns/Issues About Authorship/Affili… False/Forged Authorship
87 citations
Open Access
DOI
Retraction: Aug 01, 2022
Published: Feb 23, 2005
3.3 years years since retraction
Differential effect of treadmill exercise on three cancellous bone sites in the young growing rat
Expression of concern
Jun Iwamoto , James K Yeh , John F Aloia
Bone ( Elsevier )
Biochemistry Biology - Cellular Medicine - Orthopedics +1 more
Concerns/Issues About Data Concerns/Issues about Referencing/Attri… +2 more
166 citations
Open Access
DOI
Expression of concern: Jun 17, 2022
Published: Feb 15, 1999
3.4 years years since retraction
Effects of Vitamin K2 on Osteoporosis
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato
Current Pharmaceutical Design ( Bentham Science Publishers )
Toxicology Medicine - Orthopedics Nutrition
Cites Retracted Work Concerns/Issues About Data +1 more
67 citations
Open Access
DOI
Retraction: Jul 06, 2021
Published: Oct 15, 2004
4.4 years years since retraction
Comparison of the effect of alendronate on lumbar bone mineral density and bone turnover in men and postmenopausal wome…
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato et al.
Clinical Rheumatology ( Springer )
Biochemistry Biology - Cellular Toxicology +3 more
Lack of IRB/IACUC Approval and/or Compl… Unreliable Results and/or Conclusions
22 citations
Open Access
DOI
Retraction: Jun 18, 2021
Published: Mar 25, 2006
4.4 years years since retraction
Effects of alendronate on metacarpal and lumbar bone mineral density, bone resorption, and chronic back pain in postmen…
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato et al.
Clinical Rheumatology ( Springer )
Toxicology Medicine - Obstetrics/Gynecol… Medicine - Orthopedics +1 more
Lack of IRB/IACUC Approval and/or Compl… Unreliable Results and/or Conclusions
36 citations
Open Access
DOI
Retraction: Jun 18, 2021
Published: Jun 22, 2004
4.4 years years since retraction
Experience with alendronate treatment for 7 years among Japanese men with osteoporosis or osteopenia and clinical risk …
Expression of concern
Jun Iwamoto , Mitsuyoshi Uzawa
Clinical Rheumatology ( Springer )
Medicine - Orthopedics Medicine - Pharmacology
Duplication of/in Article
10 citations
Open Access
DOI
Expression of concern: Jun 18, 2021
Published: Nov 01, 2014
4.4 years years since retraction
Effect of intermittent administration of hPTH(1-34) on cortical bone geometry in rats treated with high-dose glucocorti…
Retraction
Jun Iwamoto , Azusa Seki , Yoshihiro Sato
Chinese Journal of Physiology ( Wolters Kluwer - Medknow )
Biochemistry Biology - Cellular Toxicology
Author Unresponsive Concerns/Issues About Authorship/Affili… +3 more
10 citations
Open Access
DOI
Retraction: Feb 25, 2021
Published: Oct 31, 2014
4.7 years years since retraction
Effect of alendronate on bone mineral density and bone turnovermarkers in post-gastrectomy osteoporotic patients
Retraction
Jun Iwamoto , Mitsuyoshi Uzawa , Yoshihiro Sato et al.
Journal of Bone and Mineral Metabolism ( Springer )
Medicine - Orthopedics Medicine - Pharmacology Medicine - Rehabilitation/The… +1 more
Author Unresponsive Lack of IRB/IACUC Approval and/or Compl…
16 citations
Open Access
DOI
Retraction: Feb 06, 2021
Published: Aug 19, 2009
4.8 years years since retraction
Beneficial Effect of Etidronate on Bone Loss After Cessation of Exercise in Postmenopausal Osteoporotic Women
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Shoichi Ichimura
American Journal of Physical Medicine & Rehabilitation ( Wolters Kluwer - Lippincott W… )
Medicine - Obstetrics/Gynecol… Medicine - Orthopedics Medicine - Pharmacology
Concerns/Issues About Data Concerns/Issues about Results and/or Co… +4 more
19 citations
Open Access
DOI
Retraction: Feb 01, 2021
Published: Jun 01, 2002
4.8 years years since retraction
Influence of gastrectomy on cortical and cancellous bones in rats
Retraction
Jun Iwamoto , Yoshihiro Sato , Hideo Matsumoto
Gastroenterology Research and Practice ( Hindawi )
Biology - Cellular Medicine - Gastroenterology Medicine - Orthopedics +1 more
Concerns/Issues about Referencing/Attri… Duplication of Data +4 more
15 citations
Open Access
DOI
Retraction: Oct 31, 2020
Published: May 28, 2013
5.1 years years since retraction
Homocysteine as a predictive factor for hip fracture in elderly women with Parkinson’s disease
Retraction
Yoshihiro Sato , Jun Iwamoto , Tomohiro Kanoko et al.
The American Journal of Medicine ( Elsevier )
Medicine - Neurology Medicine - Orthopedics
Falsification/Fabrication of Data Falsification/Fabrication of Results +2 more
56 citations
Open Access
DOI
Retraction: Jul 27, 2020
Published: Nov 04, 2005
5.3 years years since retraction