Prostate Cancer death 40 percent less likely if 40 ng level of vitamin D – Meta-analysis Oct 2018

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Circulating vitamin D level and mortality in prostate cancer patients: a dose-response meta-analysis - Oct 2018

Endocrine Connections DOI: https://doi.org/10.1530/EC-18-0283
Zhenyu Song 1 , Qiuming Yao 2 , Zhiyuan Zhuo 3 , Zhe Ma 4 and Gang Chen 5 chgan305 at 163.com

Prostate cancer mortality chart

Background: Previous studies investigating the association of circulating 25-hydroxyvitamin D level with prognosis of prostate cancer yielded controversial results. We conducted a dose-response meta-analysis to elucidate the relationship.

Methods: PubMed and Embase were searched for eligible studies up to July 15, 2018. We performed a dose-response meta-analysis using random-effect model to calculate the summary hazard ratio (HR) and 95% confidence interval (CI) of mortality in patients with prostate cancer.

Results: Seven eligible cohort studies with 7,808 participants were included. The results indicated that higher vitamin D level could reduce the risk of death among prostate cancer patients. The summary HR of prostate cancer-specific mortality correlated with an increment of every 20 nmol/L in circulating vitamin D level was 0.91, with 95% CI 0.87-0.97, P=0.002. The HR for all-cause mortality with the increase of 20 nmol/L vitamin D was 0.91 (95% CI: 0.84-0.98, P=0.01). Sensitivity analysis suggested the pooled HRs were stable and not obviously changed by any single study. No evidence of publications bias was observed.

Conclusion: This meta-analysis suggested that higher 25-hydroxyvitamin D level was associated with a reduction of mortality in prostate cancer patients and vitamin D is an important protective factor in the progression and prognosis of prostate cancer.
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Review of study by Dr. Campbell - April 2023

Vit D and prostate cancer

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68 studies cited the 2018 study as of April 2023

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• Review of Recent Advances in Understanding the Role of Vitamin D in Reducing Cancer Risk: Breast, Colorectal, Prostate, and Overall Cancer - Jan 2020 FREE PDF also in VitaminDWiki

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2.4 X more likely to die of Prostate Cancer if low Vitamin D - Oct 2020

Vitamin D levels and the risk of prostate cancer and prostate cancer mortality
Cancer EpidemiologyPages 316-322 https://doi.org/10.1080/0284186X.2020.1837391
Hein Vincent StroombergORCID Icon,Fie Juhl Vojdeman,Christian Medom Madsen,John Thomas Helgstrand,Peter Schwarz,Anne-Marie Heegaard,

Background
Vitamin D has a role in bone turnover and potentially bone-metastatic spread of prostate cancer (PCa). The aim of this observational study was to address the association between levels of serum vitamin D, diagnosis of PCa and subsequent mortality in men who underwent a biopsy of the prostate.

Methods
All men who underwent prostatic biopsy in the Danish PCa Registry (DaPCaR) and who had a serum vitamin D measurement during the period 2004 to 2010 (n = 4,065) were identified. Men were categorized by clinical cut-offs based on seasonally adjusted serum vitamin D levels in <25 (deficient), 25–50 (insufficient), 50–75 (sufficient) and >75 nmol/L (high) serum vitamin D. Logistic regression model for association between vitamin D and risk of PCa diagnosis and multivariate survival analyses were applied.

Results
No association between serum vitamin D and risk of PCa was found. Overall survival was lowest for serum vitamin D deficiency and a significantly higher PCa specific mortality (HR: 2.37, 95%CI: 1.45–3.90, p < .001) and other cause mortality (HR: 2.08, 95%CI: 1.33–3.24, p = .001) was found for PCa patients with serum vitamin D deficiency compared to serum vitamin D sufficiency.

Conclusion
No association was found between serum vitamin D categories and risk of PCa in men who underwent biopsy of the prostate. Men with PCa and serum vitamin D deficiency had a higher overall and PCa specific mortality compared to men with a sufficient level of serum vitamin D.
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Prostate Cancer in VitaminDWiki

• Overview Prostate Cancer and Vitamin D
• Prostate Cancer long term survival 1.7 X more likely if high level of vitamin D – Jan 2016
• High PSA readings with Prostate Cancer 4 times more likely if poor Vitamin D receptor – March 2016
• Aggressive Prostate Cancer in blacks with low vitamin D – 7X more likely if added Calcium – Jan 2017
  • Probably better than 40% reduction if 40 ng of Vitamin D and minimize Calcium
• Prostate cancer in black men is 1.6 times more likely if a poor Vitamin D Receptor – Feb 2017 Probably better than 40% reduction if 40 ng of Vitamin D and improve Receptor activation (8 ways)
• Low-Grade Prostate Cancer 70 percent less likely to progress if good level of Omega-3 – June 2018
  • Might prevent Prostate Cancer with Omega-3 and Vitamin D
• Prostate Cancer PSA reduced by 60 ng of Vitamin D, Vitamin B complex, Omega-3, Curcumin and diet – June 2021

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VitaminDWiki – Cancer category contains

• Cancer 270 items Overview Cancer and vitamin D
• Cancer and Vitamin D - many studies
• After Cancer Diagnosis 103 items
• Bladder Cancer 26 items
• Breast Cancer 248 items Overview Breast Cancer and Vitamin D
• Colon Cancer 139 items Overview Cancer-Colon and vitamin D
• Leukemia 19 items
• Liver Cancer 17 items
• Lung Cancer 54 items Overview Lung cancer and vitamin D
• Lymphoma Cancer 23 items
• Other Cancer 62 items
• Ovarian Cancer 24 items
• Pancreatic Cancer 55 items
• Prostate Cancer 97 items Overview Prostate Cancer and Vitamin D
• Skin Cancer 120 items Overview Suntan, melanoma and vitamin D
• Easiest way to treat cancer – take Vitamin D – Nov 2022
• 2X increase of 14 cancers in non-seniors in 20 years (low vitamin D) – Sept 2022
• Vitamin D prevents and treats cancer in many ways – May 2021
• Those with recent cancer diagnosis had 7X increased risk of COVID-19 (more if A-A )- Dec 2020
• Deaths from many types of Cancer associated with low vitamin D- review of meta-analyses Sept 2020
• Cancer incidence and mortality is decreased if 40-60 ng of Vitamin D – April 2019
• 8 ways that Cancer might be prevented by Vitamin D - June 2019
• Cancer stem cells and Vitamin D - many studies
• Vitamin D Reduces Cancer Risk - Why Scientists Accept It but Physicians Do Not - Feb 2019
• Overview of Vitamin D Actions in Cancer – 31 page chapter in a book – 2018
• Vitamin D prevents breast cancer, reduces BC mortality, and reduces BC chemotherapy problems – Sept 2018
• Diagnosed with breast cancer – take vitamin D to cut chance of death by half – July 2018
• Melanoma 25 X more likely if low vitamin D – Feb 2018
• Better Cancer survival if higher vitamin D a decade earlier (esp. Melanoma, Kidney, Prostate)– Aug 2018

Cancers get less Vitamin D when there is a poor Vitamin D Receptor

• Vitamin D Receptor pages in VitaminDWiki with CANCER in title 86 as of July 2023
• Cancer and the Vitamin D Receptor, a primer – Sept 2017
• Vitamin D Receptor and Cancer
• Risk of Cancer increased if poor Vitamin D Receptor – meta-analysis of 73 studies Jan 2016
• Cancer (general) and VDR 23 articles
• Breast Cancer and VDR 20 articles
• Colon Cancer and VDR 13 articles
• Prostate Cancer and VDR 7 articles
• Skin Cancer and VDR 10 articles
  • Note some Health problems, such as some Cancers, protect themselves
    by actively reducing Receptor activation