Clinical trial · Observational
Epidemiological Analysis of Vitamin D and Breast Cancer Risk in Saudi Arabian Women
Vitamin D Status and Breast Cancer in Saudi Arabian Women: Case Control Study
NCT01817231CI-TRIAL-00009805completedClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
This is an analysis of de-identified data collected from 240 Saudi Arabian women, 120 with breast cancer and 120 control women, to evalyate if vitamin D status is associated with breast cancer risk.
Conditions
Conditions (2)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Breast Cancer | Malignant Breast Neoplasm | CURATED_EXACT | 0.92 |
| Vitamin D Deficiency | — | UNRESOLVED | — |
Interventions
Interventions (0)
Data not yet available
No intervention recorded.
Design
Arms and outcomes
Arms (1)
- label
- breast cancer cases
- description
- breast cancer cases versus controls
Primary outcomes (1)
- measure
- serum vitamin D
- timeFrame
- cross-sectional from May 2009-August 2009
- description
- assessed serum vitamin D in cases versus controls
Eligibility
Eligibility (as posted)
- Sex
- Female
- Minimum age
- 18 Years
- Maximum age
- 75 Years
Show eligibility criteria text
Inclusion Criteria: * Invasive breast cancer (cases) or healthy women (controls), * receiving standard medical check-ups at the women's clinic * Female, * between the ages of 18 and 75 years * BMI ≤ 40 kg/m2 * residence in Saudi Arabia for more than 5 years * absence of chronic diseases that could affect vitamin D metabolism, including renal, hepatic, endocrine, or autoimmune disease. Exclusion Criteria: receiving standard medical check-ups at the women's clinic * Male, * less than 18 or greater than 75 years of age * BMI \> 40 kg/m2 * Not a resident of Saudi Arabia for more than 5 years * Presence of chronic diseases that could affect vitamin D metabolism, including renal, hepatic, endocrine, or autoimmune disease.
References
Publications (1)
- DERIVEDYousef FM, Jacobs ET, Kang PT, Hakim IA, Going S, Yousef JM, Al-Raddadi RM, Kumosani TA, Thomson CA. Vitamin D status and breast cancer in Saudi Arabian women: case-control study. Am J Clin Nutr. 2013 Jul;98(1):105-10. doi: 10.3945/ajcn.112.054445. Epub 2013 May 22. PMID 23697705