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Healthy, no Evidence of DiseasePhase 1NCT01447355

Vitamin D Levels in the Skin of Healthy Subjects After Oral Supplementation

A Phase 1 study testing cholecalciferol in people with Healthy, no Evidence of Disease and Skin Cancer, run by National Cancer Institute (NCI) at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This pilot phase I trial studies vitamin D levels in the skin of healthy subjects after oral supplementation. Chemoprevention is the use of certain drugs to keep cancer from forming. The use of cholecalciferol, a vitamin D, may keep skin cancer from forming. Read more about this study

Who is it for?
Ages 40 years and olderHealthy volunteers can take part
Conditions the study is for
Healthy, no Evidence of Disease, Skin Cancer
What is being tested?
cholecalciferol
Could I receive a placebo?
No, everyone receives an active treatment
How many people
25 participants
Where
1 siteUnited States
Study dates
Aug 2012to Jun 2013
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Documented insufficient serum levels of 25-hydroxyvitamin D =< 30.0 ng/mL
  • At least moderate sun-damaged skin on the mid-upper right dorsal forearm
  • Karnofsky performance status of at least 80%
  • Leukocytes âÃÂ¥ 3,000/ÃüL
  • Absolute neutrophil count âÃÂ¥ 1,500/ÃüL
  • Platelets âÃÂ¥ 100,000/ÃüL
Show all 32Show fewer
  • Total bilirubin âä 2.0 mg/dL
  • Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamic pyruvic transaminase [SGPT]) =< institutional upper limit of normal (ULN)
  • Creatinine âä 1.4 mg/dL
  • Serum calcium 8.4-10.6 mg/dL
  • Parathyroid hormone (PTH): male 8.3-10.4 mg/dL; female 8.4-10.6 mg/dL
  • Women of child-bearing potential must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence; surgical sterilization; or at least one year post-menopausal) prior to study entry and for the duration of study participation
  • Skin phototype II or III as defined according to their skin response to sunlight:
  • Skin phototype II will always burn, and tan minimally after 45-60 min of unprotected exposure to the summer sun between 12-1pm
  • Skin phototype III will sometimes burn, and almost always tan after 45-60 min of unprotected exposure to the summer sun between 12-1pm
  • Ability to understand and willingness to sign written informed consent
  • Participants may not have acute or chronic hypervitaminosis D or hypercalcemia
  • No history of increased arterial calcification or atherosclerosis, sarcoidosis, histoplasmosis, hyperparathyroidism, lymphoma, or kidney disease
  • No current use of digoxin (Lanoxin, digitalis), cholestyramine (Prevalite, Questran), colestipol (Cholestid), oral steroids (prednisone and others), and antacids that contain magnesium
  • Participants may not be receiving any other investigational agents; if they have completed a clinical-intervention trial recently, there must be a 30-day period between completing the previous study and entering this study
  • No history of allergic reactions attributed to compounds of similar chemical or biologic composition to cholecalciferol, lidocaine, or xylocaine
  • No uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
  • Pregnant and breastfeeding women are excluded from this study
  • No invasive cancer or cancer treatment within the past five years, except non-melanoma skin cancer
  • No immunosuppression by virtue of medication or disease; this includes acquired immune deficiency syndrome (AIDS) patients, subjects taking oral prednisone, and subjects on immunosuppressants/immunomodulators (cyclosporine, chemotherapeutic agents, or biologic therapy), as determined by the examining investigator/co-investigator
  • Unwilling or unable to refrain from taking herbal medicines or above-standard vitamin or mineral during the study
  • A standard daily multivitamin/mineral supplement is acceptable if it contains ÃâÃä 600 IU of vitamin D, or ÃâÃä the recommended dietary allowance (RDA) of calcium, and the subject has been taking a stable dose for at least 30 days
  • Potential subjects who are taking above-standard doses of supplements may be re-considered for participation after a 30-day wash-out period
  • No participants who have used tanning beds or other methods to promote sun-tanning within 6 months of study entry; such practices may not be undertaken during participation in the study
  • Participants unwilling to minimize their exposure to sunlight by applying sunscreen/sunblock or by wearing clothing to shield their skin, during outdoor activities, while they are enrolled in the study
  • Individuals receiving concurrent topical therapy with retinoids, steroids, 5-fluorouracil, Levulan, Vaniqa (eflornithine), Solaraze, or Imiquimod (AldaraÃÃî) within 30 days prior to study enrollment will be excluded; subjects may be reconsidered for eligibility 30 days after the last treatment
  • Individuals who have had treatment for basal cell carcinoma or squamous cell carcinoma on the skin of the right forearm within six months prior to evaluation for the study will not be eligible; these subjects will be encouraged to return for re-evaluation once the six-month period is over

Who cannot join

None listed.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • University of Arizona Health Sciences Center

    Tucson, Arizona, 85724

Other trials in United States

About this study

Official title: Pilot Study on the Bioactivity of Vitamin D in the Skin After Oral Supplementation

This pilot phase I trial studies vitamin D levels in the skin of healthy subjects after oral supplementation. Chemoprevention is the use of certain drugs to keep cancer from forming. The use of cholecalciferol, a vitamin D, may keep skin cancer from forming.

Read the detailed description

PRIMARY OBJECTIVES:

  1. To determine if high-dose oral cholecalciferol supplementation increases vitamin D receptor (VDR) expression in keratinocytes from photoprotected areas in healthy subjects with documented insufficient serum levels of 25-hydroxyvitamin D (defined as =< 30.0 ng/mL).

SECONDARY OBJECTIVES:

  1. To assess the modulation in CYP24 expression in keratinocytes (from photoprotected and photodamaged skin samples).

II. To assess the modulation in VDR expression in keratinocytes (from photodamaged skin samples).

III. To assess the mechanistic information concerning the action of cholecalciferol supplementation in the state of keratinocytic differentiation by assessing caspase 14, loricrin, and assessment of stratum corneum thickness.

IV. To assess the safety and tolerability of high-dose cholecalciferol supplementation in this patient cohort, including the evaluation of calcium, phosphate, and parathyroid hormone (PTH).

  1. To assess the 25-hydroxyvitamin D levels after intervention supplementation.

TERTIARY OBJECTIVES:

  1. To assess the corresponding VDR and CYP24 expression in benign melanocytic nevi. (Exploratory)

OUTLINE:

Participants receive cholecalciferol orally (PO) twice weekly for up to 8-9 weeks.

After completion of study treatment, participants are followed up for 10-14 days.

Being tested
cholecalciferol
Medical subject headings
Skin Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT01447355
Study groupRoleWhat they receive
Prevention (cholecalciferol)ExperimentalParticipants receive cholecalciferol PO twice weekly for up to 8-9 weeks.
Receives: Drug: cholecalciferol

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Changes in VDR expression from baseline to post-intervention

    Measured: From baseline to post-intervention

Secondary outcomes (5)
  1. Modulation in CYP24 expression in keratinocytes in photoprotected and photodamaged areas

    Measured: Up to 9 weeks

  2. Modulation of VDR in keratinocytes in photodamaged skin

    Measured: Up to 9 weeks

  3. Changes in a panel of biomarkers of skin differentiation including caspase 14, loricrin, and stratum corneum thickness in keratinocytes in photo-protected and damaged skin

    Measured: From baseline to 9 weeks

  4. Changes in 25-hydroxyvitamin D serum levels

    Measured: From baseline to 9 weeks

  5. Changes in calcium, phosphate, and PTH

    Measured: From baseline to 9 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Oct 2011 (estimated)
  2. Study startAug 2012
  3. Primary completionOct 2012
  4. Study completionJun 2013

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Prevention
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
25 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01447355
Sponsor's protocol ID
NCI-2011-03469
Other IDs
NCI-2011-03469, CDR0000712963, 11-0270-04, UAZ10-16-03, N01CN35158
Status last verified
Sep 2013
First submitted
4 Oct 2011
Last updated
8 Oct 2014
Results posted
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing cholecalciferol in people with Healthy, no Evidence of Disease and Skin Cancer, run by National Cancer Institute (NCI) at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 32 inclusion and 0 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 8 Oct 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Changes in VDR expression from baseline to post-intervention (time frame: From baseline to post-intervention). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 Oct 2014.

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