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Cancer incidence or mortality not changed by small Vitamin D doses: 2021-2023

Vitamin D supplementation for the prevention of total cancer incidence and mortality: An updated systematic review and meta-analysis - Oct 2022

Heliyon . 2022 Oct 28;8(11):e11290. doi: 10.1016/j.heliyon.2022.e11290
Huzaifa Ahmad Cheema 1 2 , Maurish Fatima 2 , Abia Shahid 1 2 , Oumnia Bouaddi 3 , Anas Elgenidy 4 , Aqeeb Ur Rehman 2 , Salah Eddine Oussama Kacimi 5 , Mohammad Mehedi Hasan 6 , Ka Yiu Lee 7

Introduction: Previous randomized controlled trials (RCTs) and meta-analyses of RCTs evaluating vitamin D supplementation for the prevention of cancer incidence and mortality have found inconsistent results and no meta-analysis has assessed the quality of the evidence available. We, therefore, aimed to perform an updated meta-analysis by including recent large-scale RCTs and assessing the quality of the pooled evidence.

Methods: We searched several databases and trial registers from inception to April 2022. We used a random-effects model to estimate pooled risk ratios (RRs) and 95% confidence intervals (CIs). We used the Grades of Recommendation, Assessment, Development, and Evaluation (GRADE) considerations to evaluate the certainty of evidence.

Results: We included 13 RCTs in our study. Vitamin D supplementation had no effect on the risk of total cancer incidence (RR 0.99, 95% CI: 0.94-1.04; I 2 = 0%), total cancer mortality (RR 0.93, 95% CI: 0.84-1.03; I 2 = 24%) and total mortality (RR 0.92, 95% CI: 0.82-1.04; I 2 = 36%). The overall quality of evidence was high for all outcomes.

Discussion: Vitamin D supplementation is ineffective in reducing total cancer incidence and mortality in largely vitamin D-replete older adult populations. Future research should be based on populations with a higher prevalence of vitamin D deficiency and should involve more extended follow-up periods.

Study protocol: PROSPERO database, CRD42021285401.
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Similar meta-analysis: only 2 studies used > 3,000 IU daily ==> 4X reduction in mortality - March 2023

Efficacy of vitamin D3 supplementation on cancer mortality: Systematic review and individual patient data meta-analysis of randomised controlled trials
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VitaminDWiki Mortality pages with CANCER in the title (35 as of Nov 2022)

This list is automatically updated

Items found: 39
Title Modified
Pancreatic cancer mortality 28% more likely if low vitamin D – meta-analysis Jan 2024 28 Nov, 2024
3 Cancers have higher mortality if high PTH (which can be lowered by Vitamin D) - Aug 2024 15 Aug, 2024
Fewer deaths (All-cause, Cardiovascular, Cancer) when Vitamin D levels are above 36 ng – April 2024 01 May, 2024
People with Cancer having more than 30 ng of Vitamin D are 40% less likely to die (of any cause) – Nov 2023 23 Nov, 2023
Death of women from cancer 24% less likely if 20 ng more vitamin D – meta-analysis Sept 2013 31 Jul, 2023
Cancer incidence or mortality not changed by small Vitamin D doses: 2021-2023 01 May, 2023
Prostate Cancer death 40 percent less likely if 40 ng level of vitamin D – Meta-analysis Oct 2018 30 Apr, 2023
Cancer mortality reduced 40 pcnt by 2000 IU Vitamin D daily if normal weight – Meta-analysis June 2022 03 Jul, 2022
Cancer incidence and death reduced by both Vitamin D and UVB – Grant Oct 2021 15 Oct, 2021
Cancer mortality not reduced by small vitamin D doses - Sept 2021 21 Sep, 2021
Cancer death (non-skin) 2.3 X more likely if low Vitamin D – Aug 2021 17 Aug, 2021
Deaths after Cancer Surgery higher in blacks (probably low vitamin D) – Dec 2020 10 Jan, 2021
Cancer patients in ICU with low vitamin D were 3.4 X more likely to die within a year – Dec 2020 31 Dec, 2020
Deaths from many types of Cancer associated with low vitamin D- review of meta-analyses Sept 2020 09 Nov, 2020
Cancer is leading cause of death - Vitamin D and Receptor activators help 09 Nov, 2019
Mortality increased: 4X Cancer, 5X Diabetes if eat a lot of meat protein – March 2014 08 Nov, 2019
Vitamin D Supplements Reduce Cancer Mortality – Greger Sept 2019 10 Sep, 2019
Cancer with low Vitamin D increases Mortality by 13 percent – meta-analysis Feb 2019 05 Jul, 2019
People supplemented with Vitamin D had 13 percent fewer Cancer deaths – Meta-analysis of RCT June 2019 05 Jul, 2019
Cancer incidence and mortality is decreased if 40-60 ng of Vitamin D – April 2019 07 May, 2019
Vitamin D reduced Breast Cancer mortality in 9 out of 9 studies, yet still no consensus – April 2019 13 Apr, 2019
Cancer patients 64% less likely to die if have high level of vitamin D – Dec 2011 26 Nov, 2018
Vitamin D reduces the risk of Breast Cancer, improves treatment, and improves survival 10 Sep, 2018
The “Deadly Breast Cancer Gene” Is A Myth, Lancet Study Confirms – Jan 2018 13 Jan, 2018
Lung Cancer death 60 percent less likely if high level of vitamin D – 2 meta-analysis 2017 29 Dec, 2017
Breast Cancer Mortality reduced 60 percent if more than 60 ng of Vitamin D – meta-analysis June 2017 13 Jun, 2017
Death after Breast Cancer 2 times less likely if take lots of Magnesium – Dec 2015 15 Jun, 2016
Fewer heart attacks, hip fractures and deaths if more skin cancer – Sept 2013 09 Nov, 2014
Colorectal and Breast Cancer – Vitamin D is associated with fewer deaths – meta-analysis Feb 2014 30 Sep, 2014
Cancer incidence not reduced by 1100 IU of vitamin D (proven again) but mortality decreased – June 2014 17 Jun, 2014
Cancer survival 4 percent more likely with just a little more vitamin D (4 ng) - meta-analysis July 2014 12 May, 2014
More survive Breast Cancer if more vitamin D – 2X fewer deaths with just 30 ng -meta-analysis March 2014 08 May, 2014
Death due to breast cancer reduced 40 percent if high vitamin D – meta-analysis April 2014 08 Apr, 2014
Breast Cancer survival 2X more likely if vitamin D sufficient – meta-analysis May 2013 06 Mar, 2014
Vitamin D and Cancer Mortality – review Jan 2013 17 Sep, 2013
Mortality and Cancer varies with latitude in France too – 2010 26 Oct, 2012
More US deaths due to cancer than heart if dark skinned – Sept 2012 18 Sep, 2012
Lack of solar UVB in US is associated with some Cancers - 2006 28 Dec, 2011
Solar radiation, vitamin D and cancer incidence and mortality in Norway 13 Apr, 2010

Examples of successful Cancer trials: 4,000 IU, measure D levels, add Omega-3, etc.

see wikipage http://www.vitamindwiki.com/tiki-index.php?page_id=64 Overview of ColonCancer and vitamin D

Cancer incidence or mortality not changed by small Vitamin D doses: 2021-2023        
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19534 Camcer mortality meta.jpg admin 01 May, 2023 69.47 Kb 143
19533 Kuznia Cancer mortality vit D suppl meta_CompressPdf.pdf admin 01 May, 2023 771.16 Kb 127
18785 Cancer RCT.jpg admin 08 Nov, 2022 75.58 Kb 234
18784 Cancer Meta_CompressPdf.pdf admin 08 Nov, 2022 253.13 Kb 247