NCT00657605

Brief Summary

This study will test the hypothesis that leptin contributes to the regulation of the dynamics of human endocrine function.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
3

participants targeted

Target at below P25 for phase_2 obesity

Timeline
Completed

Started Jun 2001

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, 2001

Completed
6.9 years until next milestone

First Submitted

Initial submission to the registry

April 9, 2008

Completed
5 days until next milestone

First Posted

Study publicly available on registry

April 14, 2008

Completed
2.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 4, 2010

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 4, 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

8.9 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)

  • Change in Weight

    Baseline, 107 months

Secondary Outcomes (1)

  • Change in Glucose Levels

    Baseline, 107 months

Study Arms (1)

Recombinant methionyl human leptin

EXPERIMENTAL

Participants with congenital leptin deficiency will receive the Recombinant methionyl human leptin intervention subcutaneously, once a day with a dose of 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

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Congenital leptin deficiency (these are only 3 adult individuals in the world that have been identified as leptin-naïve thus far).

You may not qualify if:

  • Pregnant, trying to become pregnant, breast-feeding an infant or sexually active women, not using contraception.
  • Subjects with hemoglobin levels below 12 g/dl.
  • Subjects whose body contains a ferromagnetic implanted device that might produce a safety hazard during fMRI.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Miami Miller School of Medicine, Center on Pharmacogenomics

Miami, Florida, 33136, United States

Location

Related Publications (13)

  • 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
  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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 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 G, Esposito K, Hurwitz B, Sharma A, Dong C, Andreev V, Delibasi T, Erol H, Ayala A, Wong ML, Licinio J. Changes in insulin sensitivity during leptin replacement therapy in leptin-deficient patients. Am J Physiol Endocrinol Metab. 2008 Dec;295(6):E1401-8. doi: 10.1152/ajpendo.90450.2008. Epub 2008 Oct 14.

  • Andreev VP, Paz-Filho G, Wong ML, Licinio J. Deconvolution of insulin secretion, insulin hepatic extraction post-hepatic delivery rates and sensitivity during 24-hour standardized meals: time course of glucose homeostasis in leptin replacement treatment. Horm Metab Res. 2009 Feb;41(2):142-51. doi: 10.1055/s-0028-1082048. Epub 2008 Aug 22.

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 rare disease population study. 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 14, 2008

Study Start

June 1, 2001

Primary Completion

May 4, 2010

Study Completion

May 4, 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