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Crohn's DiseasePhase 1NCT01046773

Vitamin D Supplementation as Non-toxic Immunomodulation in Children With Crohn's Disease

A Phase 1 study testing Cholecalciferol in people with Crohn's Disease and Vitamin D Deficiency, run by University of California, Los Angeles at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

IBD is caused by an abnormal immune response to the gut bacteria in people who are genetically predisposed. There has been a huge increase in the number of people diagnosed with IBD since World War II, likely due to changes in our environment. Read more about this study

Who is it for?
Ages 8 to 18 years
Conditions the study is for
Crohn's Disease, Vitamin D Deficiency
What is being tested?
Cholecalciferol
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
3 participants
Where
1 siteUnited States
Study dates
Jan 2010to May 2017
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 8 to 18 years
  • All sexes
  • No healthy volunteers
  • Child, Adult

Who may be able to join

  • Clinical diagnosis of mild to moderate Crohn's disease
  • 8 to 18 years old, inclusive

Who cannot join

  • Children less than 8 years or greater than 18 years at the time of study screening
  • Patients with a documented history of hypercalcemia, renal insufficiency, or nephrolithiasis
  • Patients taking cholestyramine
  • Patients who have a GI tract in discontinuity (ostomy)
  • Patients who have serum 25-OH vitamin D levels of >50 ng/mL at the time of study screening

Trial locations and contacts

1 site in 1 country.

United States1 site
  • University of California, Los Angeles

    Los Angeles, California, 90095

Other trials in United States

About this study

IBD is caused by an abnormal immune response to the gut bacteria in people who are genetically predisposed. There has been a huge increase in the number of people diagnosed with IBD since World War II, likely due to changes in our environment. It is possible that the abundance of vitamin D in the body may be one of those environmental factors that the investigators can control to make patients with IBD better.

Vitamin D acts on cells of the immune system and causes many effects, including the production of a "natural antibiotic" called cathelicidin. The investigators know that when people are supplemented with vitamin D, levels of cathelicidin produced by these immune cells increase. By supplementing children with Crohn's disease with vitamin D, the investigators may be able to alter their immune system "naturally," making their disease better. A consensus of vitamin D experts believes that vitamin D levels need to reach a level of 40-70 ng/mL in the blood in order to have effects on the immune system. Raising vitamin D levels to this range is one of the goals in the current study.

Read the detailed description

Vitamin D is an important nutrient controlling the health and development of our bones. Many patients with inflammatory bowel disease (IBD) are deficient in levels of vitamin D in their bodies. This is probably because vitamin D is lost from inflamed intestinal tissue into the stools. But while much attention has been given to studying the impact of vitamin D deficiency on the bone status of patients with IBD, our understanding of how vitamin D deficiency might affect the immune system in these patients is relatively poor.

The investigators intend to study vitamin D supplementation in children with Crohn's disease, ages 8 to 18 years. At the time of enrollment, the investigators will gather data on disease activity using both a simple history and physical exam, as well as blood and stool tests. In addition, the investigators will measure the levels of cathelicidin produced by the immune cells in their blood. The investigators will then supplement 20 children with vitamin D for a total of 6 months. During the study, patients will be seen every two months, where the investigators will monitor their vitamin D levels as well as perform rigorous safety monitoring for toxicity using blood and urine tests.

And at study conclusion, the investigators will again judge their disease severity and check their vitamin D levels in addition to tests of cathelicidin levels. The investigators believe that at study conclusion, the investigators will have achieved several important objectives. First, as a public health benefit, the investigators will show that large doses of supplemental vitamin D are safe in children and provide more benefit with less risk. Our patients will achieve those levels of vitamin D agreed by expert opinion that are required to cause effects on the immune system, and the investigators will see an increase in the amount of cathelicidin produced by their immune cells. As an added piece of information, the investigators would like to determine if there are any improvements in disease activity in patients supplemented with vitamin D.

Being tested
Cholecalciferol
Keywords
Children, Crohn's disease, Vitamin D
Medical subject headings
Crohn Disease, Vitamin D Deficiency

What participants receive

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

  • CholecalciferolDrug

    Children less than 35 kg will receive 2,000 IU oral cholecalciferol daily for 6 months.

  • CholecalciferolDrug

    Children 35 kg or greater will receive 4,000 IU oral cholecalciferol daily for 6 months.

Study groups in NCT01046773
Study groupRoleWhat they receive
Children with Crohn's disease less than 35 kgActive comparatorThese are children ages 8 to 18 years inclusive, with mild to moderately active Crohn's disease.
Receives: Drug: Cholecalciferol
Children with Crohn's disease 35 kg or greaterActive comparatorThese are children ages 8 to 18 years inclusive, with mild to moderately active Crohn's disease.
Receives: Drug: Cholecalciferol

What is being measured

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

  1. The investigators aim to achieve patient target serum levels of 25-hydroxy vitamin D between 40-60 ng/mL after 6 months of supplementation

    Measured: 6 months

  2. The investigators aim to determine the association between vitamin D supplementation and cathelicidin production.

    Measured: 6 months

Secondary outcomes (1)
  1. Detect changes in Crohn's disease activity: clinically, biochemically, and by surrogate markers.

    Measured: 6 months

Timeline

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

  1. First posted12 Jan 2010 (estimated)
  2. Study startJan 2010
  3. Primary completionMay 2017
  4. Study completionMay 2017

Why it stopped: Low enrollment

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
Basic science
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
3 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01046773
Sponsor's protocol ID
IBD-0285
Status last verified
Feb 2018
First submitted
11 Jan 2010
Last updated
7 Feb 2018
Results posted
No
Data monitoring committee
Yes

Publications

  • Pappa HM, Bern E, Kamin D, Grand RJ. Vitamin D status in gastrointestinal and liver disease. Curr Opin Gastroenterol. 2008 Mar;24(2):176-83. doi: 10.1097/MOG.0b013e3282f4d2f3.

    PubMed 18301268
  • Holick MF. The vitamin D deficiency pandemic and consequences for nonskeletal health: mechanisms of action. Mol Aspects Med. 2008 Dec;29(6):361-8. doi: 10.1016/j.mam.2008.08.008. Epub 2008 Sep 2.

    PubMed 18801384
  • Lo CW, Paris PW, Clemens TL, Nolan J, Holick MF. Vitamin D absorption in healthy subjects and in patients with intestinal malabsorption syndromes. Am J Clin Nutr. 1985 Oct;42(4):644-9. doi: 10.1093/ajcn/42.4.644.

    PubMed 4050723
  • Vogelsang H, Schofl R, Tillinger W, Ferenci P, Gangl A. 25-hydroxyvitamin D absorption in patients with Crohn's disease and with pancreatic insufficiency. Wien Klin Wochenschr. 1997 Sep 19;109(17):678-82.

    PubMed 9331957
  • Leichtmann GA, Bengoa JM, Bolt MJ, Sitrin MD. Intestinal absorption of cholecalciferol and 25-hydroxycholecalciferol in patients with both Crohn's disease and intestinal resection. Am J Clin Nutr. 1991 Sep;54(3):548-52. doi: 10.1093/ajcn/54.3.548.

    PubMed 1652198
  • Liu N, Nguyen L, Chun RF, Lagishetty V, Ren S, Wu S, Hollis B, DeLuca HF, Adams JS, Hewison M. Altered endocrine and autocrine metabolism of vitamin D in a mouse model of gastrointestinal inflammation. Endocrinology. 2008 Oct;149(10):4799-808. doi: 10.1210/en.2008-0060. Epub 2008 Jun 5.

    PubMed 18535110
  • Schauber J, Rieger D, Weiler F, Wehkamp J, Eck M, Fellermann K, Scheppach W, Gallo RL, Stange EF. Heterogeneous expression of human cathelicidin hCAP18/LL-37 in inflammatory bowel diseases. Eur J Gastroenterol Hepatol. 2006 Jun;18(6):615-21. doi: 10.1097/00042737-200606000-00007.

    PubMed 16702850
  • Tai EK, Wu WK, Wong HP, Lam EK, Yu L, Cho CH. A new role for cathelicidin in ulcerative colitis in mice. Exp Biol Med (Maywood). 2007 Jun;232(6):799-808.

    PubMed 17526772
  • Martineau AR, Wilkinson KA, Newton SM, Floto RA, Norman AW, Skolimowska K, Davidson RN, Sorensen OE, Kampmann B, Griffiths CJ, Wilkinson RJ. IFN-gamma- and TNF-independent vitamin D-inducible human suppression of mycobacteria: the role of cathelicidin LL-37. J Immunol. 2007 Jun 1;178(11):7190-8. doi: 10.4049/jimmunol.178.11.7190.

    PubMed 17513768
  • Froicu M, Weaver V, Wynn TA, McDowell MA, Welsh JE, Cantorna MT. A crucial role for the vitamin D receptor in experimental inflammatory bowel diseases. Mol Endocrinol. 2003 Dec;17(12):2386-92. doi: 10.1210/me.2003-0281. Epub 2003 Sep 18.

    PubMed 14500760
  • Simmons JD, Mullighan C, Welsh KI, Jewell DP. Vitamin D receptor gene polymorphism: association with Crohn's disease susceptibility. Gut. 2000 Aug;47(2):211-4. doi: 10.1136/gut.47.2.211.

    PubMed 10896912
  • Heaney RP. Lessons for nutritional science from vitamin D. Am J Clin Nutr. 1999 May;69(5):825-6. doi: 10.1093/ajcn/69.5.825. No abstract available.

    PubMed 10232617
  • Vieth R. Vitamin D supplementation, 25-hydroxyvitamin D concentrations, and safety. Am J Clin Nutr. 1999 May;69(5):842-56. doi: 10.1093/ajcn/69.5.842.

    PubMed 10232622
  • Maalouf J, Nabulsi M, Vieth R, Kimball S, El-Rassi R, Mahfoud Z, El-Hajj Fuleihan G. Short- and long-term safety of weekly high-dose vitamin D3 supplementation in school children. J Clin Endocrinol Metab. 2008 Jul;93(7):2693-701. doi: 10.1210/jc.2007-2530. Epub 2008 Apr 29.

    PubMed 18445674
  • Adams JS, Ren S, Liu PT, Chun RF, Lagishetty V, Gombart AF, Borregaard N, Modlin RL, Hewison M. Vitamin d-directed rheostatic regulation of monocyte antibacterial responses. J Immunol. 2009 Apr 1;182(7):4289-95. doi: 10.4049/jimmunol.0803736.

    PubMed 19299728

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Cholecalciferol in people with Crohn's Disease and Vitamin D Deficiency, run by University of California, Los Angeles 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 2 inclusion and 5 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: stopped early, as of the sponsor's last update on 7 Feb 2018. 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 was stopped early (reason given: Low enrollment). Results are not available in the source record.

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?

The investigators aim to achieve patient target serum levels of 25-hydroxy vitamin D between 40-60 ng/mL after 6 months of supplementation (time frame: 6 months). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01046773, which also lists 16 linked publications.

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 7 Feb 2018.

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