NCT03339791 (BaSE) is a NA clinical trial of Sleeve Gastrectomy in Obesity, Morbid, sponsored by University of Sao Paulo General Hospital.

Who is sponsoring NCT03339791?

NCT03339791 is sponsored by University of Sao Paulo General Hospital.

What drugs are being tested in NCT03339791?

Interventions in NCT03339791: Sleeve Gastrectomy, Gastric Bypass.

What condition does NCT03339791 study?

NCT03339791 studies Obesity, Morbid, Surgery, Elderly.

Is NCT03339791 still recruiting?

NCT03339791 is currently completed. Last updated 2 December 2020.

Last reviewed 2020-12-02 · How we verify

NCT03339791: BaSE

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Sleeve Versus Bypass in Older Patients: a Randomized Controlled Trial

Completed NA Last updated 2 December 2020

What this trial tests

NA trial testing Sleeve Gastrectomy in Obesity, Morbid in 36 participants. Completed in 16 July 2019.

Timeline

23 September 2017

Primary endpoint
7 November 2017

16 July 2019

Quick facts

Lead sponsor	University of Sao Paulo General Hospital
Phase	NA
Status	Completed
Study type	INTERVENTIONAL
Allocation	randomized
Design	parallel
Masking	none
Primary purpose	treatment
Enrollment	36
Start date	23 September 2017
Primary completion	7 November 2017
Estimated completion	16 July 2019
Sites	1 location across Brazil

Drugs / interventions tested

Sleeve Gastrectomy
Gastric Bypass — full drug profile →

Conditions studied

Obesity, Morbid — all drugs for Obesity, Morbid →
Surgery — all drugs for Surgery →
Elderly — all drugs for Elderly →

Sponsor

University of Sao Paulo General Hospital

Who can join

Adults 65 to 80, any sex, with Obesity, Morbid or Surgery. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The aim of the study is to compare two different bariatric procedures performed in patients with 65 years or more: gastric bypass and sleeve gastrectomy. Primary outcomes will be weight loss, control of comorbidities and morbidity of the operation. Secondary outcomes are related to functionality, that will be evaluated with specific tests.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

Randomized controlled trials comparing gastric bypass, gastric band, and sleeve gastrectomy: A systematic review examining validity and applicability to wider clinical practice.
Chalmers KA, Cousins SE, Blazeby JM, By‐Band‐Sleeve Trial Management Group. · · 2024 · cited 3× · PMID 38346786 · DOI 10.1111/obr.13718

Verify or expand the search:

Other trials of Sleeve Gastrectomy

Trials testing the same drug.

NCT07058155 — Optimizing Portal Hypertension With TIPS and Interval Metabolic Surgery for Advanced Liver Disease · Phase 4 · recruiting
NCT07263269 — Comparing Dumping Symptoms and Quality of Life 6 Months After Sleeve Gastrectomy With or Without Transit Bipartition in · NA · active not recruiting
NCT05486169 — Gastroesophageal Reflux Disease After Laparoscopic Sleeve Gastrectomy · NA · completed
NCT05224791 — A Retrospective Multicenter Comparison of Laparoscopic and Robotic-Assisted Roux-en-Y Gastrectomy · unknown
NCT04079023 — Alcohol Metabolism After Sleeve Gastrectomy · completed

Other recruiting trials for Obesity, Morbid

Currently open trials in the same condition.

NCT07119437 — Low Impact Laparoscopy In Bariatric Surgery · NA · recruiting
NCT05927519 — Comparison of Airtraq in Class 2-3 Obese and Nonobese Men During Intubation: a Prospective Randomized Clinical Study · NA · recruiting
NCT06530212 — Sleeve Gastrectomy With Jejuno-ileal Bypass Versus Single Anastomosis Sleeve Jejunal Bypass · NA · recruiting
NCT06477120 — Time-restricted Eating Among Pregnant Females With Severe Obesity · NA · recruiting
NCT06119516 — Transpulmonary Pressure - Guided Mechanical Ventilation in Morbidly Obese ARDS Patients: a Feasibility Study. · NA · recruiting

Other University of Sao Paulo General Hospital trials

Trials by the same sponsor.

NCT07275580 — Antibiotic Prophylaxis After Simple Tooth Extraction in Immunosuppressed Patients With Autoimmune Rheumatic Diseases · Phase 4 · not yet recruiting
NCT07478094 — Longitudinal Outcomes of Patients With Group 3 Pulmonary Hypertension Treated With Iloprost · not yet recruiting
NCT07341386 — Prevention of Recurrence of Herpes Simplex in Autoimmune Rheumatic Diseases · Phase 4 · not yet recruiting
NCT07242092 — Influence of Methotrexate Discontinuation on Immunogenicity After PCV-20 Vaccine in Patients ARDs · Phase 4 · not yet recruiting
NCT07484152 — Motor and Non-Motor Effects of Low-Intensity Focused Ultrasound (LIFU) as a Neuromodulation Tool in Essential Tremor · Phase 1, PHASE2 · not yet recruiting

Verify against primary sources

ClinicalTrials.gov — authoritative US registry record
WHO ICTRP — international registry index
EU Clinical Trials Register
Sponsor press releases (Google)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT03339791 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 9 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by University of Sao Paulo General Hospital
Last refreshed: 2 December 2020

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03339791.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing