Table 1.
Dates of licensed indications for omeprazole and lansoprazole
| Omeprazole | Lansoprazole | |
|---|---|---|
| June 1989 | Short term treatment of peptic ulceration | |
| September 1989 | Treatment of reflux oesophagitis | |
| February 1990 | Prophylaxis for NSAID induced ulceration | |
| November 1991 | Long term treatment of reflux oesophagitis | |
| January 1993 | Treatment of oesophageal reflux | |
| January 1994 | Long term treatment of duodenal ulcer | |
| April 1994 | Treatment of Helicobacter pylori infection (dual therapy) | |
| May 1994 | Treatment of duodenal ulceration, benign gastric ulceration, and gastro-oesophageal reflux | |
| January 1995 | Prophylaxis of acid aspiration | |
| January 1996 | Eradication of H pylori (7 day triple therapy) | Long term treatment of peptic ulceration |
| February 1996 | Eradication of H pylori | |
| January 1997 | Treatment of dyspepsia | |
| April 1997 | Treatment of non-ulcer dyspepsia | |
| December 1997 | Treatment of Zollinger-Ellison syndrome |
NSAID=non-steroidal anti-inflammatory drug.