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Table 4 Summary of clinical trials on vitamin D status and cancer risk

From: Obesity and cancer: the role of vitamin D

Cancer

NCT#

Country

No. of subjects

Intervention

Status

Main finding

Colorectal

NCT00870961

USA

22

VDS

Terminated

Not reported

Colon

NCT00470353

USA

8

VDS, CaCO3

Terminated

Not reported

Lung

NCT01631526

Canada

80

VDS

Active recruitment

 

Colorectal

NCT01074216

USA

49

VDS

Active, not recruiting

 

Not specified

NCT01169259

USA

20,000

VDS, fish oil

Active recruitment

 

Not specified

NCT01463813

Finland

18,000

VDS

Active recruitment

 

Prostate

NCT0887432

USA

100

VDS

Active recruitment

 

Colorectal

NCT01516216

USA

120

VDS, folfox, bevacizumab

Active recruitment

 

Ovarian

NCT01744821

USA

80

VDS

Active recruitment

 

Breast

NCT01224678

USA

180

VDS

Active, not recruiting

 

Colon, prostate

NCT00585637

USA

328

VDS

Active, not recruiting

 

Lymphoma, leukaemia, colon, breast, rectal

NCT01787409

USA

956

VDS

Active, not recruiting

 

Breast

NCT01747720

Canada

376

VDS

Active recruitment

 

Breast, leukaemia, colon, lymphoma, lung, myeloma

NCT01052051

USA

2,300

VDS

Active, not recruiting

 

Prostate

NCT01325311

USA

50

VDS, genistein

Active recruitment

 

Prostate

NCT00022412

USA

60

VDS

Active, not recruiting

 

Breast

NCT01097278

USA

200

VDS

Active recruitment

 

Breast

NCT01816555

USA

20

VDS

Active recruitment

 

Leukaemia

NCT01521936

USA

4

VDS

Active, not recruiting

 

Solid tumours

NCT00004926

USA

NA

VDS

Completed

Not reported

Leukaemia, myeloma

NCT00068276

USA

NA

VDS

Completed

Not reported

Prostate

NCT00004928

USA

NA

VDS, zoledronate

Completed

Not reported

Colorectal

NCT01574027

USA

55

VDS

Completed

Not reported

Breast

NCT01240213

USA

218

VDS

Completed

Not reported

Colorectal

NCT00208793

USA

92

VDS

Completed

Not reported

Colon

NCT00298545

USA

10

VDS, calcium

Completed

Not reported

Prostate

NCT01045108

USA

52

VDS

Completed

Not reported

Prostate

NCT00524680

USA

128

VDS

Completed

Not reported

Pancreatic

NCT00238199

USA

25

VDS, docetaxel

Completed

Not reported

Prostate

NCT00004043

USA

25

VDS

Completed

Not reported

Breast, colon

NCT00000611

USA

18,176

VDS, CaCO3

Completed

No effect

Not specified

NCT00352170

USA

1,179

VDS, CaCO3

Completed

All-cancer risk reduction

Colorectal

NCT01150877

Canada

40

VDS

Unknown

 

Prostate

NCT00741364

Canada

90

VDS

Unknown

 

Prostate

NCT00482157

USA

24

VDS

Unknown

 

Colorectal

NCT01403103

NA

0

VDS

Withdrawn

 
  1. Abbreviations: NCT# national clinical trial number, USA United States of America, VDS vitamin D supplement, CaCO 3 calcium carbonate, NA not applicable.