- ICH GCP
- US-Register für klinische Studien
- Klinische Studie 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
Studienübersicht
Detaillierte Beschreibung
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.
Studientyp
Einschreibung (Voraussichtlich)
Phase
- Phase 4
Kontakte und Standorte
Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
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).
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Behandlung
- Zuteilung: Zufällig
- Interventionsmodell: Parallele Zuordnung
- Maskierung: Doppelt
Waffen und Interventionen
Teilnehmergruppe / Arm |
Intervention / Behandlung |
---|---|
Experimental: 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).
|
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:
|
Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Zeitfenster |
---|---|
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.
Zeitfenster: 24 weeks
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24 weeks
|
Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Zeitfenster |
---|---|
patients' opinion about their body weight and it's relation with psoriasis
Zeitfenster: baseline (0 week)
|
baseline (0 week)
|
Mitarbeiter und Ermittler
Sponsor
Ermittler
- Studienstuhl: Giampiero Girolomoni, Professor, Universita di Verona
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Primärer Abschluss (Voraussichtlich)
Studienabschluss (Voraussichtlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Schätzen)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- WRP
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