Zinc and Bone Turnover Study in Adolescent Females
Supplemental Zinc and Bone Turnover in Early Pubertal Females
1 other identifier
interventional
147
0 countries
N/A
Brief Summary
The purpose of the study is to determine the effects of zinc supplementation on bone growth over four weeks. Participants will agree to attend two visits to our laboratory and at each will complete blood and urine samples, questionnaires related to diet and physical activity and will receive a bone scan at the first appointment.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Feb 2007
Longer than P75 for not_applicable
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2010
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2010
CompletedFirst Submitted
Initial submission to the registry
June 28, 2013
CompletedFirst Posted
Study publicly available on registry
July 3, 2013
CompletedJuly 3, 2013
July 1, 2013
3.2 years
June 28, 2013
July 2, 2013
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Serum Zinc
Serum Zinc will be measured at the Baseline and 4 week time point to determine effects of placebo vs. supplement.
4 weeks
Plasma IGF-1 and IGFBP-3
Plasma IGF-1 and IGFBP-3 will be measured at Baseline and 4-weeks and analyzed using ELISA to determine changes.
4 weeks
procollagen type 1 amino-terminal propeptide (P1NP)
Bone turnover marker procollagen type 1 amino-terminal propeptide,
4 weeks
Study Arms (2)
Zinc Sulfate
ACTIVE COMPARATORSubjects enrolled in this arm will receive 9mg elemental zinc (23mg zn sulfate)/day for 4 weeks.
Cellulose Pill
PLACEBO COMPARATORSubject enrolled in this arm will receive a placebo.
Interventions
Eligibility Criteria
You may qualify if:
- Healthy
- Female
- Ages 9-11
- Pre-menarchal
- Caucasian or African American
You may not qualify if:
- Menses
- Disease known to affect bone
- Drugs known to affect bone
- Vitamin/mineral supplements
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Related Publications (3)
Lobene AJ, Kindler JM, Jenkins NT, Pollock NK, Laing EM, Grider A, Lewis RD. Zinc Supplementation Does Not Alter Indicators of Insulin Secretion and Sensitivity in Black and White Female Adolescents. J Nutr. 2017 Jul;147(7):1296-1300. doi: 10.3945/jn.117.248013. Epub 2017 Jun 7.
PMID: 28592518DERIVEDKindler JM, Pollock NK, Laing EM, Jenkins NT, Oshri A, Isales C, Hamrick M, Lewis RD. Insulin Resistance Negatively Influences the Muscle-Dependent IGF-1-Bone Mass Relationship in Premenarcheal Girls. J Clin Endocrinol Metab. 2016 Jan;101(1):199-205. doi: 10.1210/jc.2015-3451. Epub 2015 Nov 17.
PMID: 26574958DERIVEDBerger PK, Pollock NK, Laing EM, Chertin V, Bernard PJ, Grider A, Shapses SA, Ding KH, Isales CM, Lewis RD. Zinc Supplementation Increases Procollagen Type 1 Amino-Terminal Propeptide in Premenarcheal Girls: A Randomized Controlled Trial. J Nutr. 2015 Dec;145(12):2699-704. doi: 10.3945/jn.115.218792. Epub 2015 Oct 21.
PMID: 26491117DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Richard D Lewis, PhD
The University of Georgia
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 28, 2013
First Posted
July 3, 2013
Study Start
February 1, 2007
Primary Completion
May 1, 2010
Study Completion
June 1, 2010
Last Updated
July 3, 2013
Record last verified: 2013-07