User profiles for Jacob Ollech

Jacob E Ollech MD

Assistant Professor of Medicine, Tel Aviv University. Rabin Medical Center
Verified email at clalit.org.il
Cited by 1102

Lower serologic response to COVID-19 mRNA vaccine in patients with inflammatory bowel diseases treated with anti-TNFα

…, KM Rabinowitz, I Goren, I Avni-Biron, JE Ollech… - Gastroenterology, 2022 - Elsevier
Background & Aim Patients with inflammatory bowel diseases (IBD), specifically those
treated with anti–tumor necrosis factor (TNF)α biologics, are at high risk for vaccine-preventable …

Real-world experience with tofacitinib in IBD at a tertiary center

…, PH Sossenheimer, K El Jurdi, JE Ollech… - Digestive diseases and …, 2019 - Springer
Background and Aims Many inflammatory bowel disease (IBD) patients do not respond to
medical therapy. Tofacitinib is a first-in-class, partially selective inhibitor of Janus kinase, …

Effectiveness of ustekinumab dose escalation in patients with Crohn's disease

JE Ollech, I Normatov, N Peleg, J Wang… - Clinical …, 2021 - Elsevier
Background & Aims A subset of patients with Crohn’s disease (CD) do not respond to
ustekinumab at the standard dose of 90 mg every 8 weeks. Little is known about the efficacy of …

Endoscopic postoperative recurrence in Crohn's disease after curative ileocecal resection with early prophylaxis by anti-TNF, vedolizumab or ustekinumab: a real …

…, H Amir Barak, I Avni-Biron, JE Ollech… - Journal of Crohn's …, 2022 - academic.oup.com
Background Endoscopic-post-operative-recurrence [ePOR] in Crohn’s disease [CD] after
ileocecal resection [ICR] is a major concern. We aimed to evaluate the effectiveness of early …

Ustekinumab is effective for the treatment of chronic antibiotic-refractory pouchitis

JE Ollech, DT Rubin, L Glick, R Weisshof… - Digestive diseases and …, 2019 - Springer
Background Chronic antibiotic-refractory pouchitis (CARP) occurs in up to 15% of patients
with ulcerative colitis (UC) following proctocolectomy with ileal pouch–anal anastomosis (IPAA…

Efficacy and safety of induction therapy with calcineurin inhibitors followed by vedolizumab maintenance in 71 patients with severe steroid‐refractory ulcerative colitis

JE Ollech, S Dwadasi, V Rai, N Peleg… - Alimentary …, 2020 - Wiley Online Library
Background Following induction therapy with a calcineurin inhibitor (CNI) in severe ulcerative
colitis, transitioning to vedolizumab as maintenance therapy could be an option. Aim To …

Colectomy rates did not decrease in paediatric-and adult-onset ulcerative colitis during the biologics era: a nationwide study from the epi-IIRN

…, H Gabay, E Matz, D Nevo, J Ollech… - Journal of Crohn's …, 2022 - academic.oup.com
Background It is still of debate whether the advent of biologics has been associated with a
change in the natural history of ulcerative colitis [UC]. In this nationwide study we evaluated …

Endoscopic phenotype of the J pouch in patients with inflammatory bowel disease: a new classification for pouch outcomes

S Akiyama, JE Ollech, V Rai, LR Glick, Y Yi… - Clinical …, 2022 - Elsevier
Background & Aims Pouchitis is a common complication of ileal pouch–anal anastomosis (IPAA)
in patients with ulcerative colitis who have undergone colectomy. Pouchitis has been …

Differential risk of disease progression between isolated anastomotic ulcers and mild ileal recurrence after ileocolonic resection in patients with Crohn's disease

JE Ollech, M Aharoni-Golan, R Weisshof… - Gastrointestinal …, 2019 - Elsevier
Background and Aims It is standard of care to perform ileocolonoscopy within a year of
ileocolonic resection for Crohn’s disease (CD) and to guide management decisions based on the …

Post-transplant diabetes mellitus in lung transplant recipients: incidence and risk factors

JE Ollech, MR Kramer, N Peled, A Ollech… - European journal of …, 2008 - academic.oup.com
Objective: Post-transplant diabetes mellitus (PTDM) is a common and potentially serious
complication after solid organ transplantation. There are only a few data, however, about the …