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- Klinische proef NCT01439425
Weight Reduction Alone May Not be Sufficient to Maintain Disease Remission in Obese Patients With Psoriasis
Weight Reduction Alone May Not be Sufficient to Maintain Disease Remission in Obese Patients With Psoriasis: a Randomized, Investigator-blinded Study
Studie Overzicht
Gedetailleerde beschrijving
Chronic plaque psoriasis is an inflammatory skin disease associated with obesity in 13-34% of cases. In recent years, the prevalence of overweight and obesity has increased in almost all developed countries.Obesity and a high body mass index have been shown to be risk factors for the development of psoriasis and in large, prospective studies obesity precede the development of psoriasis. More recently, obesity in adulthood has been shown to be a risk factor also for psoriatic arthritis. On the other hand, ones psoriasis has been established it may favor behaviors facilitating overweight and obesity.
To investigate patients' opinion about their BW, the possibility of dietary approach to psoriasis, a specific questionnaire was administered to 200 consecutive patients with moderate-to-severe chronic plaque psoriasis. In a second part of the study, a 24-week randomized, controlled, investigator-blinded clinical trial was performed on a limited number of patient to see whether hypo-caloric diet to maintain disease remission in obese patients previously treated with methotrexate. Patients were recruited from those consecutively admitted to the psoriasis outpatient clinic of the University Hospital of Verona. The inclusion criteria were: patients ≥ 18 year of age with moderate to severe psoriasis and a BMI ≥ 30 and without psoriasis arthritis, who were treated with methotrexate and had obtained a reduction in psoriasis severity of at least 75% (PASI 75) for the 12 weeks before enrolling into the study. Exclusion criteria were other types of psoriasis (guttate, erythrodermic and pustular psoriasis) and severe obesity (BMI >35). All patients gave their written informed consent before any study-related procedures were performed. All subjects were visited by two dermatologists who recorded demographic, biometrical, and other relevant patient's data. Visits were scheduled at screening, baseline, and every 4 weeks up to 24. Collected data included age, sex, weight, height, BMI, psoriasis duration and concomitant medications. The dermatologist who performed the PASI scoring was unaware of the randomization assignment. Patients stopped methotrexate therapy and were randomly assigned either of two groups: the first group received a low-calorie diet administered by a dietitian (intervention group) whereas the second group did not receive any dietetic recommendation (control group). Randomization was performed with the use of computer-generated random numbers and block size of 4 subjects. Patients underwent clinical and nutritional follow-up every month. The low-calorie diet was designed to achieve a loss of 5-10% of initial body weight. The caloric restriction was 500 kcal below the resting energy expenditure, as evaluated by the Harris-Benedict equation. Intervention group patients received a balanced diet scheme, based on a caloric intake reduction related to BMI and sex (range: 1200-1500 kcal/d for women, 1300-1600 kcal/d for men). Relapses were considered as loss of 50% of PASI improvement score from baseline pre-methotrexate value.
Studietype
Inschrijving (Verwacht)
Fase
- Fase 4
Contacten en locaties
Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
- patients ≥ 18 year of age with moderate to severe psoriasis and a BMI ≥ 30 and without psoriasis arthritis, who were treated with methotrexate and had obtained a reduction in psoriasis severity of at least 75% (PASI 75) for the 12 weeks before enrolling into the study.
- all patients gave their written informed consent before any study-related procedures were performed.
Exclusion Criteria:
- other types of psoriasis (guttate, erythrodermic and pustular psoriasis) and severe obesity (BMI >35).
- exclusion criteria were other types of psoriasis (guttate, erythrodermic and pustular psoriasis) and severe obesity (BMI >35).
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Dubbele
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Experimenteel: weight loss
balanced diet scheme, based on a caloric intake reduction related to BMI and sex (range: 1200-1500 kcal/d for women, 1300-1600 kcal/d for men).
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The low-calorie diet was designed to achieve a loss of 5-10% of initial body weight.
The caloric restriction was 500 kcal below the resting energy expenditure, as evaluated by the Harris-Benedict equation.
Intervention group patients received a balanced diet scheme, based on a caloric intake reduction related to BMI and sex (range: 1200-1500 kcal/d for women, 1300-1600 kcal/d for men).
Andere namen:
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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difference in PASI at week 24 between obese psoriatic patients who underwent hypocaloric diet compared to those in free diet after obtaining a PASI reduction >75 following methotrexate.
Tijdsspanne: 24 weeks
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24 weeks
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Secundaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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patients' opinion about their body weight and it's relation with psoriasis
Tijdsspanne: baseline (0 week)
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baseline (0 week)
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Medewerkers en onderzoekers
Sponsor
Onderzoekers
- Studie stoel: Giampiero Girolomoni, Professor, Universita di Verona
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Verwacht)
Studie voltooiing (Verwacht)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- WRP
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Klinische onderzoeken op Psoriasis
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ProgenaBiomeWervingPsoriasis | Psoriasis vulgaris | Psoriasis van de hoofdhuid | Psoriatische plaque | Psoriasis Universalis | Psoriasis gezicht | Psoriasis Nagel | Diffuse psoriasis | Psoriasis Punctata | Psoriasis palmaris | Psoriasis Circinata | Psoriasis annularis | Psoriasis genitale | Geografische psoriasisVerenigde Staten
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Clin4allWervingPsoriasis van de hoofdhuid | Psoriasis Nagel | Psoriasis palmaris | Psoriasis genitale | Psoriasis PlantarisFrankrijk
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Innovaderm Research Inc.VoltooidHoofdhuid Psoriasis | Pustuleuze palmoplantaire psoriasis | Niet-pustuleuze palmoplantaire psoriasis | Elleboog Psoriasis | OnderbeenpsoriasisCanada
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AmgenVoltooidPsoriasis-type psoriasis | Psoriasis van het plaquetypeVerenigde Staten
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UCB Biopharma S.P.R.L.VoltooidMatige tot ernstige psoriasis | Gegeneraliseerde pustuleuze psoriasis en erytrodermische psoriasisJapan
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Centre of Evidence of the French Society of DermatologyWervingPsoriasis | Psoriasis vulgaris | Psoriasis van de hoofdhuid | Psoriatische plaque | Psoriasis Universalis | Psoriasis palmaris | Psoriatische erytrodermie | Psoriatische nagel | Psoriasis guttata | Psoriasis omgekeerd | Psoriasis PustuleuzeFrankrijk
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Janssen Pharmaceutical K.K.WervingGegeneraliseerde pustuleuze psoriasis | Erytrodermische PsoriasisJapan
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Eli Lilly and CompanyVoltooidGegeneraliseerde pustuleuze psoriasis | Erytrodermische PsoriasisJapan
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TakedaWervingGegeneraliseerde pustuleuze psoriasis | Erytrodermische PsoriasisJapan
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Bristol-Myers SquibbWervingPalmoplantaire Psoriasis | Genitale psoriasisVerenigde Staten, Duitsland, Spanje, Italië, Polen, Argentinië, Canada
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