NCT00659828

Brief Summary

To assess the endocrine and immune effects of leptin replacement in leptin-deficient children, from a consanguineous family. The hypothesis is that leptin replacement will have significant effects on endocrine function.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1

participants targeted

Target at below P25 for phase_2 obesity

Timeline
Completed

Started Jun 2005

Longer than P75 for phase_2 obesity

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2005

Completed
2.9 years until next milestone

First Submitted

Initial submission to the registry

April 9, 2008

Completed
7 days until next milestone

First Posted

Study publicly available on registry

April 16, 2008

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 16, 2010

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 16, 2010

Completed
9.8 years until next milestone

Results Posted

Study results publicly available

February 13, 2020

Completed
Last Updated

February 13, 2020

Status Verified

February 1, 2020

Enrollment Period

4.9 years

First QC Date

April 9, 2008

Results QC Date

February 11, 2020

Last Update Submit

February 11, 2020

Conditions

Keywords

Congenital leptin deficiencyObesityMetabolic SyndromeDiabetes

Outcome Measures

Primary Outcomes (1)

  • Weight

    Baseline, 58 months

Secondary Outcomes (2)

  • Glucose Levels

    Baseline, 58 months

  • Bone Mineral Density

    Baseline, 58 months

Study Arms (1)

Recombinant Methionyl Human Leptin

EXPERIMENTAL

Recombinant methionyl human leptin: Recombinant methionyl human leptin, subcutaneous, once a day, 0.02 to 0.04 mg/kg (adjusted according to weight loss).

Drug: Recombinant methionyl human leptin

Interventions

Recombinant methionyl human leptin, subcutaneous, once a day, 0.02 to 0.04 mg/kg (adjusted according to weight loss), indeterminate duration.

Also known as: Metreleptin, r-metHuLeptin
Recombinant Methionyl Human Leptin

Eligibility Criteria

Age5 Years - 18 Years
Sexmale
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • Children with a functional leptin gene mutation from a consanguineous Turkish family. Only one leptin-naïve child from this family is alive and eligible.

You may not qualify if:

  • N/A

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Miami, Center on Pharmacogenomics

Miami, Florida, 33132, United States

Location

Related Publications (13)

  • Baicy K, London ED, Monterosso J, Wong ML, Delibasi T, Sharma A, Licinio J. Leptin replacement alters brain response to food cues in genetically leptin-deficient adults. Proc Natl Acad Sci U S A. 2007 Nov 13;104(46):18276-9. doi: 10.1073/pnas.0706481104. Epub 2007 Nov 6.

    PMID: 17986612BACKGROUND
  • Licinio J, Ribeiro L, Busnello JV, Delibasi T, Thakur S, Elashoff RM, Sharma A, Jardack PM, Depaoli AM, Wong ML. Effects of leptin replacement on macro- and micronutrient preferences. Int J Obes (Lond). 2007 Dec;31(12):1859-63. doi: 10.1038/sj.ijo.0803703. Epub 2007 Aug 7.

    PMID: 17684509BACKGROUND
  • Licinio J, Milane M, Thakur S, Whelan F, Yildiz BO, Delibasi T, de Miranda PB, Ozata M, Bolu E, Depaoli A, Wong ML. Effects of leptin on intake of specific micro- and macronutrients in a woman with leptin gene deficiency studied off and on leptin at stable body weight. Appetite. 2007 Nov;49(3):594-9. doi: 10.1016/j.appet.2007.03.228. Epub 2007 Apr 6.

    PMID: 17517446BACKGROUND
  • Williamson DA, Ravussin E, Wong ML, Wagner A, Dipaoli A, Caglayan S, Ozata M, Martin C, Walden H, Arnett C, Licinio J. Microanalysis of eating behavior of three leptin deficient adults treated with leptin therapy. Appetite. 2005 Aug;45(1):75-80. doi: 10.1016/j.appet.2005.01.002.

    PMID: 15949871BACKGROUND
  • Matochik JA, London ED, Yildiz BO, Ozata M, Caglayan S, DePaoli AM, Wong ML, Licinio J. Effect of leptin replacement on brain structure in genetically leptin-deficient adults. J Clin Endocrinol Metab. 2005 May;90(5):2851-4. doi: 10.1210/jc.2004-1979. Epub 2005 Feb 15.

    PMID: 15713712BACKGROUND
  • Licinio J, Caglayan S, Ozata M, Yildiz BO, de Miranda PB, O'Kirwan F, Whitby R, Liang L, Cohen P, Bhasin S, Krauss RM, Veldhuis JD, Wagner AJ, DePaoli AM, McCann SM, Wong ML. Phenotypic effects of leptin replacement on morbid obesity, diabetes mellitus, hypogonadism, and behavior in leptin-deficient adults. Proc Natl Acad Sci U S A. 2004 Mar 30;101(13):4531-6. doi: 10.1073/pnas.0308767101. Epub 2004 Mar 9.

    PMID: 15070752BACKGROUND
  • Mantzoros CS, Ozata M, Negrao AB, Suchard MA, Ziotopoulou M, Caglayan S, Elashoff RM, Cogswell RJ, Negro P, Liberty V, Wong ML, Veldhuis J, Ozdemir IC, Gold PW, Flier JS, Licinio J. Synchronicity of frequently sampled thyrotropin (TSH) and leptin concentrations in healthy adults and leptin-deficient subjects: evidence for possible partial TSH regulation by leptin in humans. J Clin Endocrinol Metab. 2001 Jul;86(7):3284-91. doi: 10.1210/jcem.86.7.7644.

    PMID: 11443202BACKGROUND
  • Ozata M, Ozdemir IC, Licinio J. Human leptin deficiency caused by a missense mutation: multiple endocrine defects, decreased sympathetic tone, and immune system dysfunction indicate new targets for leptin action, greater central than peripheral resistance to the effects of leptin, and spontaneous correction of leptin-mediated defects. J Clin Endocrinol Metab. 1999 Oct;84(10):3686-95. doi: 10.1210/jcem.84.10.5999.

    PMID: 10523015BACKGROUND
  • Strobel A, Issad T, Camoin L, Ozata M, Strosberg AD. A leptin missense mutation associated with hypogonadism and morbid obesity. Nat Genet. 1998 Mar;18(3):213-5. doi: 10.1038/ng0398-213. No abstract available.

    PMID: 9500540BACKGROUND
  • Paz-Filho G, Wong ML, Licinio J. The procognitive effects of leptin in the brain and their clinical implications. Int J Clin Pract. 2010 Dec;64(13):1808-12. doi: 10.1111/j.1742-1241.2010.02536.x.

  • Paz-Filho GJ, Delibasi T, Erol HK, Wong ML, Licinio J. Cellular immunity before and after leptin replacement therapy. J Pediatr Endocrinol Metab. 2009 Nov;22(11):1069-74. doi: 10.1515/jpem.2009.22.11.1069.

  • Paz-Filho G, Delibasi T, Erol HK, Wong ML, Licinio J. Congenital leptin deficiency and thyroid function. Thyroid Res. 2009 Nov 4;2(1):11. doi: 10.1186/1756-6614-2-11.

  • Paz-Filho GJ, Babikian T, Asarnow R, Delibasi T, Esposito K, Erol HK, Wong ML, Licinio J. Leptin replacement improves cognitive development. PLoS One. 2008 Aug 29;3(8):e3098. doi: 10.1371/journal.pone.0003098.

MeSH Terms

Conditions

ObesityMetabolic SyndromeDiabetes Mellitus

Interventions

recombinant methionyl human leptinmetreleptin

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsInsulin ResistanceHyperinsulinismGlucose Metabolism DisordersMetabolic DiseasesEndocrine System Diseases

Limitations and Caveats

This is a compassionate use study for a rare disease population. To protect participant privacy and maintain confidentiality, results will not be reported.

Results Point of Contact

Title
Richard Bookman
Organization
University of Miami

Study Officials

  • Julio Licinio, MD

    University of Miami

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

April 9, 2008

First Posted

April 16, 2008

Study Start

June 1, 2005

Primary Completion

April 16, 2010

Study Completion

April 16, 2010

Last Updated

February 13, 2020

Results First Posted

February 13, 2020

Record last verified: 2020-02

Data Sharing

IPD Sharing
Will not share

Locations