Study	Reason for exclusion
Al‐Sabah 2008	Cost effectiveness study. Not an RCT.
Andrews 2005	Not an RCT. Retrospective observation study.
Avgerinos 2005	Randomised controlled trial in participants with Peptic ulcer bleeding with outcome being serial gastric PH measurements over 24 hours, in response to treatment with somatostatin, PPI and placebo.
Bai 1995	Restricted to participants with bleeding from peptic ulcer and acute gastric mucosal lesions. Randomised after endoscopy.
Bajaj 2007	RCT comparing oral and IV PPI in NVUGIB. Does not satisfy the inclusion criteria of this review.
Brunner 1990	Limited to peptic ulcer bleeding. Randomisation after endoscopy.
Cheng 2005	Randomised after endoscopy. Comparison between low and high dose IV PPI. participants with peptic ulcer bleeding and comorbid illness.
Chu 1993	Restricted to peptic ulcer bleeding participants only and randomisation after endoscopy.
Colin 1993	Not randomised controlled trial.
Costamagna 1998	Randomised after endoscopy.
Dovas 1992	Unable to gain copy of publication.
Elphick 2007	Not an RCT. Letter to the editor.
Fasseas 2001	Restricted to endoscopically verified participants and only gastric ulcers, duodenal ulcers and erosions were included.
Felder 1998	Restricted to peptic ulcer bleeding participants only.
Fried 1999	Randomised after endoscopy. Restricted to peptic ulcer bleeding participants only.
Gao 1995	Unclear when randomisation took place.
Goletti 1994	Control group not being either placebo or H2RA alone; compared omeprazole alone versus the combination of ranitidine and endoscopic haemostatic therapy. Restricted to participants with ulcers or haemorrhagic gastritis. Randomisation post endoscopic diagnosis.
Hasselgren 1998	Study with main outcome of intra gastric PH studies. Limited to Peptic ulcer bleeding.
Hulagu 1994	Abstract publication, the trial was subsequently published in full (Hulagu 1995).
Hung 2007	Randomized post endoscopy in peptic ulcer bleeding.
Jensen 2006	RCT on bleeding peptic ulcer participants. Randomized post endoscopic haemostasis.
Keyvani 2006	Not an RCT. Retrospective observation study.
Kim 2007	Randomisation post endoscopy. RCT comparing oral PPI to endoscopic haemoclipping in peptic ulcer bleeding. Does not satisfy the inclusion criteria of this review.
Lau 2005	Abstract publication with results for Peptic ulcer disease participants only. The trial was subsequently published in full (Lau 2007).
Lee 2003	Cost effectiveness study.
Lin 2007	Not an RCT. Letter to the Editor.
Liu 2002	Randomised after endoscopy. Restricted to duodenal ulcer participants.
Maculotti 1995	Designed to assess healing rates. Not reporting any of the outcomes pre‐determined in this systematic review. Randomisation post endoscopy.
Munkel 1997	Restricted to peptic ulcer bleeding participants only. Randomisation post endoscopy.
Murthy 2007	Not an RCT. Retrospective review of oral PPI versus IV PPI in peptic ulcer bleeding post endoscopic haemostasis.
Nehme 2001	Randomised after endoscopy.
Orti 1995	Restricted to participants suspected to have bleeding from peptic origin. It was not clear from the paper if the authors ascertained this before randomisation. Communications to obtain further details are ongoing.
Perez Flores 1994	Randomisation post endoscopy, restricted to participants with peptic ulcer bleeding
Savides 2001	Randomised after endoscopy, restricted to peptic ulcer bleeding.
Schaffalitzky 2007	Not an RCT. Letter to the editor.
Scheurlen 2000	Restricted to peptic ulcer bleeding participants only, not RCT.
Schonekas 1999	Restricted to peptic ulcer bleeding participants only; control group not either placebo or H2RA alone; compared two different regimens of PPI.
Srinath 1997	Not a randomised controlled trial. This article was a comment on another RCT (Khuroo 1997).
Sung 2003	Randomisation post endoscopy. participants with visible vessel and adherent clot.
Sung 2008	Randomisation post endoscopy. participants with Peptic ulcer bleeding only.
Tran 2007	Not an RCT. Letter to the editor.
Tsoi 2008	Not an RCT. Cost effectiveness study based on the data from the Lau study (Lau 2007).
Udd 2001	Control group not being either placebo or H2RA alone; compared to intravenous regimens of omeprazole at different doses.
Uribarrena 1994	Selected participants with bleeding from gastric ulcer, duodenal ulcer, erosions and peptic oesophagitis only. Participants with bleeding from non‐peptic sources were excluded from the analysis.
Wei 2007	Randomization post endoscopic haemostasis. participants with peptic ulcer bleeding
Wu 2001	Unable to gain copy of publication.
Xuan 2003	Randomisation after endoscopy.
Yilmaz 2006	Randomization post endoscopy. participants with peptic ulcer bleeding with low risk stigmata.
Zargar 2006	Randomization post endoscopy. participants with peptic ulcer bleeding.