- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01310088
Blood Pressure and Central Vascular Stiffness in Obese Children. Relationship to Metabolic Disturbances and Subclinical Cardiovascular Damage. Effect of Weight Reduction (AORTA)
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Forventet)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
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Holbaek, Danmark, 4300
- Rekruttering
- Division of Cardiology, Department of Medicine, Holbaek Hospital, University of Copenhagen
-
Kontakt:
- Kristian Hvidt, MD
- Telefonnummer: 0014559484073
- E-mail: krhv@regionsjaelland.dk
-
Kontakt:
- Hans Ibsen, DMSc, MD
- Telefonnummer: 0014559484512
- E-mail: hib@regionsjaelland.dk
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Holbaek, Danmark, 4300
- Rekruttering
- The Children's Obesity Clinic, Department of Paediatrics, Holbaek Hospital, University of Copenhagen
-
Kontakt:
- Jens-Christian Holm, PhD, MD
- Telefonnummer: 0014559484208
- E-mail: jhom@regionsjaelland.dk
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- age 10-18
- BMI for age and sex above 95 percentile
- referred for treatment at the The Children's Obesity Clinic, Department of Paediatrics, Holbaek Hospital, University of Copenhagen
- oral and written consent by their parents
Exclusion Criteria:
- children who can not cooperate to DEXA scanning or other procedures
- linguistic difficulties that impair communication
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Ikke-randomiseret
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Eksperimentel: Lifestyle counseling
Treatment protocol The Children's Obesity Clinic Department of Paediatrics Holbaek Hospital, University of Copenhagen Denmark
|
Treatment protocol.
The Children's Obesity Clinic Department of Paediatrics Holbaek Hospital, University of Copenhagen Denmark
|
Ingen indgriben: Control
Healthy age and gender matched control subjects.
Recruited from school visits.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Central Blood Pressure
Tidsramme: one year follow up
|
Obtained by the SphygmoCor Device, software version 9, AtCor Medical, Australia.
|
one year follow up
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Pulse Wave velocity
Tidsramme: one year follow up
|
Measured in meters per second.
|
one year follow up
|
Ambulatory Blood Pressure Monitoring and Clinic Blood Pressure
Tidsramme: one year follow up
|
Measured in milimeters of mercury (mm Hg). Analysed into Blood Pressure standard deviation scores (BP SDS). Ambulatory Blood Pressure Monitoring (ABPM) is analysed into Amulatory Arterial Stiffness Index (AASI). ASSI is 1 minus the correlation coefficient when the Systolic Blood Pressure is plottet agiant the diastolic Blood Pressure from a ABPM. |
one year follow up
|
Heart Rate variability
Tidsramme: one year follow up
|
one year follow up
|
|
Metabolic and Cardiovascular Blood Samples
Tidsramme: one year follow up
|
one year follow up
|
|
Urine Albumine-Creatinine Ratio (UACR)
Tidsramme: one year follow up
|
Microalbuminuria (MAU) defined by urine albumine-creatinine ratio (UACR) ≥ 3,5 mg/mmol (women) and 2,5 mg/mmol (men).
Mean of two morning spot urine samples.
|
one year follow up
|
Echocardiography and ultrasound of aortic wall distensibility
Tidsramme: one year follow up
|
one year follow up
|
|
Electrocardiography
Tidsramme: one year follow up
|
Conventional 12 lead electrocardiography (ECG). Analysis of:
|
one year follow up
|
Dual energy X-ray absorptionmetry (DEXA scan)
Tidsramme: one year follow up
|
A full body DEXA scan gives precise knowlegde of the body fat mass and fat free mass. Fat mass can be converted into fat mass index and fat free mass can be converted into fat free mass index, besides BMI standard deviation score (BMI SDS). A DEXA scan also gives information on bone mineral density (BMD), a parameter of bone status, and regional estimates: truncus, abdomen, thorax, arms and legs. |
one year follow up
|
Anthropometric measures
Tidsramme: one year follow up
|
Height, Waist, Weight, BMI (weight/height²)
|
one year follow up
|
Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Ledende efterforsker: Kristian Hvidt, MD, Division of Cardiology, Department of Medicine, Holbaek Hospital, University of Copenhagen, Denmark
- Studiestol: Hans Ibsen, DMSc, MD, Division of Cardiology, Department of Medicine, Holbaek Hospital, University of Copenhagen
- Studieleder: Jens-Christian Holm, PhD, MD, The Children's Obesity Clinic, Department of Paediatrics, Holbaek Hospital, University of Copenhagen
- Studieleder: Michael Hecht Olsen, DMSc, PhD, MD, Division of Cardiology, Department of Medicine, Glostrup Hospital, University of Copenhagen
Publikationer og nyttige links
Generelle publikationer
- Han JC, Lawlor DA, Kimm SY. Childhood obesity. Lancet. 2010 May 15;375(9727):1737-48. doi: 10.1016/S0140-6736(10)60171-7. Epub 2010 May 5.
- Singh AS, Mulder C, Twisk JW, van Mechelen W, Chinapaw MJ. Tracking of childhood overweight into adulthood: a systematic review of the literature. Obes Rev. 2008 Sep;9(5):474-88. doi: 10.1111/j.1467-789X.2008.00475.x. Epub 2008 Mar 5.
- Hvidt KN, Olsen MH, Holm JC, Ibsen H. Obese children and adolescents have elevated nighttime blood pressure independent of insulin resistance and arterial stiffness. Am J Hypertens. 2014 Nov;27(11):1408-15. doi: 10.1093/ajh/hpu055. Epub 2014 Apr 9.
- Stabouli S, Kotsis V, Zakopoulos N. Ambulatory blood pressure monitoring and target organ damage in pediatrics. J Hypertens. 2007 Oct;25(10):1979-86. doi: 10.1097/HJH.0b013e3282775992.
- Hansen TW, Jeppesen J, Rasmussen S, Ibsen H, Torp-Pedersen C. Ambulatory blood pressure monitoring and risk of cardiovascular disease: a population based study. Am J Hypertens. 2006 Mar;19(3):243-50. doi: 10.1016/j.amjhyper.2005.09.018.
- Litwin M, Niemirska A, Ruzicka M, Feber J. White coat hypertension in children: not rare and not benign? J Am Soc Hypertens. 2009 Nov-Dec;3(6):416-23. doi: 10.1016/j.jash.2009.10.002.
- Hansen TW, Jeppesen J, Rasmussen S, Ibsen H, Torp-Pedersen C. Relation between insulin and aortic stiffness: a population-based study. J Hum Hypertens. 2004 Jan;18(1):1-7. doi: 10.1038/sj.jhh.1001620.
- Willum-Hansen T, Staessen JA, Torp-Pedersen C, Rasmussen S, Thijs L, Ibsen H, Jeppesen J. Prognostic value of aortic pulse wave velocity as index of arterial stiffness in the general population. Circulation. 2006 Feb 7;113(5):664-70. doi: 10.1161/CIRCULATIONAHA.105.579342.
- Vitarelli A, Giordano M, Germano G, Pergolini M, Cicconetti P, Tomei F, Sancini A, Battaglia D, Dettori O, Capotosto L, De Cicco V, De Maio M, Vitarelli M, Bruno P. Assessment of ascending aorta wall stiffness in hypertensive patients by tissue Doppler imaging and strain Doppler echocardiography. Heart. 2010 Sep;96(18):1469-74. doi: 10.1136/hrt.2010.198358. Epub 2010 Jul 18.
- Muhamed PK, Olsen MH, Holm JC, Ibsen H, Hvidt KN. Cuff size influences blood pressure measurement in obese children and adolescents. Dan Med J. 2016 Jan;63(1):A5183.
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Forventet)
Studieafslutning (Forventet)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- AORTA-SJ-166
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .
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