- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07643961
Outpatient Versus Inpatient Management of Mild Acute Pancreatitis
Outpatient Versus Inpatient Management of Mild Acute Pancreatitis: A Randomised Controlled Non-Inferiority Trial
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
Acute pancreatitis (AP) is one of the most common gastrointestinal causes of emergency hospital admission worldwide. Approximately 80% of cases are classified as mild according to the revised Atlanta Classification (2012) and resolve without organ failure or local complications within three to five days. Despite this favorable prognosis, current practice mandates universal inpatient admission. Only two small studies have explored outpatient management of mild AP, reporting treatment failure rates of 4-12% in the ambulatory arm; however, neither was prospectively randomized nor adequately powered for non-inferiority.
This trial is a prospective, single-center, open-label, two-arm, parallel-group, randomized controlled non-inferiority trial. Patients presenting with mild AP, confirmed by at least two revised Atlanta (2012) criteria and classified as mild by a SIRS score of 0 and a Harmless Acute Pancreatitis Score (HAPS) of 0, will be randomly allocated in a 1:1 ratio to outpatient management (Group A) or standard inpatient care (Group B). Randomization will use a table of random numbers with a block size of four. Group A patients will receive an initial 4-6 hour supervised observation period in the emergency department, followed by daily teleconsultation on days 1-3 and an in-person clinic visit on day 4. Group B patients will be admitted to hospital per standard institutional protocol. All patients will receive IAP/APA-compliant supportive care and a final 30-day outcome assessment. The primary endpoint is the 30-day treatment failure rate. Non-inferiority will be declared if the upper bound of the one-sided 95% confidence interval for the between-group difference does not exceed 10%.
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Imen Ben Ismail, M.D
- Numero di telefono: +21696121434
- Email: imen.benismail@fmt.utm.tn
Luoghi di studio
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Tunisia
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Ben Arous, Tunisia, Tunisia, 2074
- Traumatology and great burns center
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Contatto:
- Imen Ben Ismail
- Numero di telefono: 26196121434
- Email: imen.benismail@fmt.utm.tn
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Age 18 years or older Diagnosis of acute pancreatitis based on at least two of three revised Atlanta (2012) criteria: characteristic abdominal pain; serum lipase or amylase ≥3× upper limit of normal; or characteristic imaging findings Classification as mild acute pancreatitis: SIRS score = 0 and HAPS score = 0 at emergency department presentation Ability to tolerate oral intake at the time of randomisation Provision of written informed consent Presence of a competent caregiver at home Residence within 30-45 minutes' travel time from the hospital Ability to communicate by telephone
Exclusion Criteria:
- Pregnancy or breastfeeding Inability to maintain oral intake for reasons unrelated to acute pancreatitis Acute pancreatitis attributable to tumour, post-ERCP intervention, or abdominal trauma Concurrent choledocholithiasis with or without cholangitis Chronic pancreatitis or history of recurrent acute pancreatitis (≥2 prior episodes) ASA physical status classification ≥ 3 Clinical or radiological features suggesting moderately severe or severe acute pancreatitis Alcohol withdrawal syndrome No competent caregiver at home Residence more than 30-45 minutes from the hospital Inability to communicate by telephone or equivalent means
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Separare
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
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Sperimentale: Outpatient Management (Group A)
Patients receive a 4-6 hour supervised observation in the emergency department, then are discharged with structured ambulatory follow-up: daily teleconsultation on Days 1, 2, and 3; in-person clinic visit with blood sampling on Day 4; open-access emergency readmission at any time; and a 30-day final consultation.
All patients receive IAP/APA-compliant supportive care.
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Early discharge from the emergency department after 4-6 hours of observation, with structured teleconsultation follow-up on Days 1, 2, and 3, in-person review on Day 4, unrestricted emergency department access, and 30-day outcome assessment.
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Comparatore attivo: Standard Inpatient Management (Group B)
Patients are admitted to the gastroenterology or surgical ward for conventional inpatient care with daily clinical and biological monitoring, intravenous fluids, analgesia, antiemetics, and early oral refeeding per IAP/APA guidelines.
Discharge is determined by clinical improvement and full oral diet tolerance.
A 30-day follow-up consultation is arranged at discharge.
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Conventional ward admission with daily monitoring, intravenous supportive care, and discharge based on clinical improvement.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Treatment Failure Rate at 30 Days
Lasso di tempo: 30 days from randomisation
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Proportion of patients experiencing at least one of the following: food intolerance (<50% of a standard meal), persistent nausea or vomiting refractory to antiemetics, uncontrolled pain requiring parenteral analgesia or emergency attendance, new-onset SIRS or HAPS deterioration, or (Group A only) any unplanned hospital admission.
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30 days from randomisation
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Recurrence of abdominal pain Assessed by Numeric Rating Scale (NRS)
Lasso di tempo: 30 days
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Recurrence of abdominal pain during the 30-day follow-up period, assessed at each contact point (teleconsultation Days 1, 2, 3; clinic visit Day 4; final visit Day 30) using the Numeric Rating Scale (NRS) from 0 (no pain) to 10 (worst imaginable pain).
Recurrence is defined as any new episode of abdominal pain scoring ≥4/10 after an initial pain-free interval following discharge or hospital admission.
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30 days
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SIRS score at 48 hours
Lasso di tempo: 48 hours
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48 hours
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Organ failure Assessed by the Modified Marshall Scoring System
Lasso di tempo: 30 days
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Rate of organ failure occurring within 30 days of randomisation, assessed using the Modified Marshall Scoring System.
Organ failure is defined as a score of ≥2 in any of the three organ systems evaluated: respiratory (PaO₂/FiO₂ ratio), renal (serum creatinine), and cardiovascular (systolic blood pressure).
Transient organ failure (resolving within 48 hours) and persistent organ failure (lasting >48 hours) will be recorded separately.
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30 days
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Unplanned hospital readmission
Lasso di tempo: 30 days
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30 days
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ICU admission rate
Lasso di tempo: 30 days
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30 days
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Patient satisfaction Assessed by the Patient Satisfaction Questionnaire Short Form (PSQ-18)
Lasso di tempo: 30 days
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Patient satisfaction with the allocated management strategy, assessed at the 30-day follow-up visit using the Patient Satisfaction Questionnaire Short Form (PSQ-18), a validated 18-item instrument evaluating satisfaction across seven domains: general satisfaction, technical quality, interpersonal manner, communication, financial aspects, time spent with doctor, and accessibility.
Each item is rated on a 5-point Likert scale (1 = strongly agree to 5 = strongly disagree).
Domain scores are transformed to a 0-100 scale, with higher scores indicating greater satisfaction.
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30 days
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Collaboratori e investigatori
Pubblicazioni e link utili
Pubblicazioni generali
- Banks PA, Bollen TL, Dervenis C, Gooszen HG, Johnson CD, Sarr MG, Tsiotos GG, Vege SS; Acute Pancreatitis Classification Working Group. Classification of acute pancreatitis--2012: revision of the Atlanta classification and definitions by international consensus. Gut. 2013 Jan;62(1):102-11. doi: 10.1136/gutjnl-2012-302779. Epub 2012 Oct 25.
- Working Group IAP/APA Acute Pancreatitis Guidelines. IAP/APA evidence-based guidelines for the management of acute pancreatitis. Pancreatology. 2013 Jul-Aug;13(4 Suppl 2):e1-15. doi: 10.1016/j.pan.2013.07.063.
- Nardiello C, Morty RE. World No Tobacco Day 2020. Am J Physiol Lung Cell Mol Physiol. 2020 May 1;318(5):L1010-L1015. doi: 10.1152/ajplung.00110.2020. Epub 2020 Apr 1. No abstract available.
- Lankisch PG, Weber-Dany B, Hebel K, Maisonneuve P, Lowenfels AB. The harmless acute pancreatitis score: a clinical algorithm for rapid initial stratification of nonsevere disease. Clin Gastroenterol Hepatol. 2009 Jun;7(6):702-5; quiz 607. doi: 10.1016/j.cgh.2009.02.020. Epub 2009 Feb 24.
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Altri numeri di identificazione dello studio
- CTGBA/EC/2025/07-03
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