1.	Topical Vitamin D3, Diclofenac or a Combination of Both to Treat Basal Cell Carcinoma Phase: Phase III Type: Treatment Status: Closed Age: 18 and over Sponsor: Other Protocol IDs: MEC 10-2-088, NCT01358045
2.	Phase I/II Study of High-Dose Calcitriol Plus Temodar for Patients With Metastatic Melanoma Phase: Phase II, Phase I Type: Biomarker/Laboratory analysis, Treatment Status: Closed Age: 18 and over Sponsor: NCI, Other Protocol IDs: NU 05M1, P30CA060553, NU-0310-093, SPRI-NU-05M1, NCT00301067
3.	Phase I/II Calcitriol in Lung Cancer Phase: Phase II, Phase I Type: Biomarker/Laboratory analysis, Treatment Status: Closed Age: Over 18 Sponsor: Other Protocol IDs: UMCC 2008.042, HUM 21242, NCT00794547
4.	Phase II Chemoprevention Study of Vitamin D3 and Calcium for Colorectal Cancer (Summary Last Modified 01/98) Phase: Phase II Type: Prevention Status: Closed Age: Over 18 Sponsor: NCI Protocol IDs: CPMC-IRB-6850, NCI-P97-0109
5.	Phase II Study of Calcitriol in Patients with Hormone-Resistant Prostate Cancer (Summary Last Modified 10/93) Phase: Phase II Type: Treatment Status: Closed Age: no age specified Sponsor: Protocol IDs: PCI-9304, NCI-V93-0286
6.	Calcitriol and Dexamethasone in Treating Patients With Prostate Cancer Who Have Undergone Surgery or Radiation Therapy Phase: Phase II Type: Treatment Status: Completed Age: 18 and over Sponsor: Other Protocol IDs: CDR0000270758, RPCI-RP-0203, PCI-00-034, NCT00054522
7.	Calcitriol and Dexamethasone in Patients With Myelodysplastic Syndromes Phase: Phase II Type: Treatment Status: Completed Age: No age specified Sponsor: Other Protocol IDs: UPCI 01-020, FD-R-002025-01, NCT00030069
8.	A Study of Gemcitabine ± Erlotinib and DN-101 Versus Gemcitabine ± Erlotinib and Placebo in Patients With Advanced Pancreatic Cancer Phase: Phase II Type: Treatment Status: Temporarily closed Age: 18 and over Sponsor: Pharmaceutical / Industry Protocol IDs: 011-017, NCT00536770
9.	Calcitriol, Physical Activity, and Bone Health in Cancer Survivors Phase: Phase II Type: Prevention Status: Closed Age: 18 and over Sponsor: Other Protocol IDs: RSRB00025478, NCT00904033
10.	Calcitriol and Docetaxel in Treating Patients With Metastatic or Locally Advanced Pancreatic Cancer Phase: Phase II Type: Treatment Status: Completed Age: Over 18 Sponsor: Other Protocol IDs: CDR0000445077, OHSU-GIM-02007-L, OHSU-1104, NCT00238199
11.	Calcitriol and Carboplatin in Treating Patients With Stage IV Prostate Cancer That Has Not Responded to Hormone Therapy Phase: Phase II Type: Treatment Status: Completed Age: 18 and over Sponsor: NCI, Other Protocol IDs: CDR0000068720, OHSU-6218, OHSU-HOR-00059-L, NCI-G01-1963, NCT00017576
12.	Calcitriol, Mitoxantrone, and Prednisone in Treating Patients With Metastatic Prostate Cancer Phase: Phase II Type: Treatment Status: Completed Age: 18 to 100 Sponsor: NCI, Other Protocol IDs: CDR0000441172, OHSU-8451, OHSU-VA-IRB-9451, NCT00182741
13.	Calcitriol in Treating Patients With a Rising PSA Level Following Treatment for Prostate Cancer Phase: Phase II Type: Treatment Status: Completed Age: 18 and over Sponsor: Other Protocol IDs: CDR0000067041, OHSU-5231, OCC-HOR-98068-L, NCI-V99-1542, NCT00004043
14.	Effects of High Dose Calcitriol in Breast Cancer Patients Phase: Phase II Type: Supportive care Status: Closed Age: 18 to 88 Sponsor: Other Protocol IDs: 25741, NCT01293682
15.	Phase I Study of High Dose Intermittent Calcitriol for Advanced Malignancies (Summary Last Modified 09/98) Phase: Phase I Type: Treatment Status: Closed Age: Over 18 Sponsor: Other Protocol IDs: OHSU-4673, OCC-ONC-97079-L, NCI-V98-1381
16.	Phase I Study of Calcitriol and Zoledronate in Patients With Progressive Prostate Cancer. Note: The information about this trial has not been updated by the sponsor/principal investigator/lead organization. Cancer.gov cannot verify the accuracy of the information. Phase: Phase I Type: Treatment Status: Completed Age: 18 and over Sponsor: NCI Protocol IDs: MSKCC-99073, NCI-H00-0048, NCT00004928
17.	Calcitriol Plus Carboplatin in Treating Patients With Advanced Solid Tumors Phase: Phase I Type: Biomarker/Laboratory analysis, Treatment Status: Closed Age: 18 and over Sponsor: NCI, Other Protocol IDs: CDR0000068374, PCI-97-004, PCI-IRB-970532, NCI-G00-1885, NCT00008086
18.	Calcitriol Plus Paclitaxel in Treating Patients With Advanced Solid Tumors Phase: Phase I Type: Biomarker/Laboratory analysis, Treatment Status: Completed Age: 18 and over Sponsor: NCI, Other Protocol IDs: CDR0000068411, PCI-98019, PCI-IRB-980542, NCI-G00-1901, NCT00009802
19.	Calcitriol Plus Dexamethasone in Treating Patients With Prostate Cancer That Has Not Responded to Hormone Therapy Phase: Phase I Type: Biomarker/Laboratory analysis, Treatment Status: Closed Age: 18 and over Sponsor: NCI, Other Protocol IDs: CDR0000068457, PCI-99044, PCI-IRB-990606, NCT00010231
20.	Calcitriol and Gefitinib With or Without Dexamethasone in Treating Patients With Advanced Solid Tumors Phase: Phase I Type: Biomarker/Laboratory analysis, Treatment Status: Completed Age: 18 and over Sponsor: Other Protocol IDs: CDR0000365546, RPCI-RPC-0207, ZENECA-1839US/0295, NCT00084708
21.	Calcitriol, Ketoconazole, and Dexamethasone in Treating Patients With Metastatic or Unresectable Solid Tumors Phase: Phase I Type: Biomarker/Laboratory analysis, Treatment Status: Completed Age: 18 and over Sponsor: Other Protocol IDs: I 33204, RPCI-I-33204, NCT00238225
22.	Calcitriol or Placebo in Men for Prostate Cancer Active Surveillance Phase: No phase specified Type: Treatment Status: Closed Age: 45 and over Sponsor: Other Protocol IDs: PROS0022, 97408, NCT00482157
23.	Gene Expression Profile of Breast Cancer Samples After Vitamin D Supplementation Phase: No phase specified Type: Treatment Status: Closed Age: 40 to 70 Sponsor: Other Protocol IDs: FMUSPIBCCVD2009, CAPPesq 626/06, FAPESP 07/04799-2, IBCC 108/2006/07, CAPPesq 0018/09, NCT00926315