Taking drugs commonly prescribed to treat heartburn, indigestion and other stomach problems for a long time may increase the risk of death by about 50%, a study warns. Researchers from Washington University in the US examined medical records of about 2,75,000 users of proton pump inhibitors (PPI) and 75,000 people who took another class of drugs — known as H2 blockers — to reduce stomach acid.
“No matter how we sliced and diced the data from this large data set, we saw the same thing: There’s an increased risk of death among PPI users,” said Ziyad Al-Aly, assistant professor at Washington University. “When we compared patients taking H2 blockers with those taking PPIs for one to two years, we found those on PPIs had a 50% increased risk of dying over the next five years,” researchers said.
“People have the idea that PPIs are very safe because they are readily available, but there are real risks to taking these drugs, particularly for long periods of time,” Al-Aly said. Previous studies have linked PPIs to kidney disease and researchers reasoned that since each of the side effects carries a small risk of death, together they may affect the mortality rate of PPI users.
2The team identified 275,933 people who had been prescribed a PPI and 73,355 people prescribed an H2 blocker between October 2006 and September 2008, and noted how many died and when over the following five years. They found a 25% increased risk of death in the PPI group compared with the H2 blocker group. For every 500 people taking PPIs for a year, there is one extra death that would not have otherwise occurred, researchers said.
{{/usCountry}}2The team identified 275,933 people who had been prescribed a PPI and 73,355 people prescribed an H2 blocker between October 2006 and September 2008, and noted how many died and when over the following five years. They found a 25% increased risk of death in the PPI group compared with the H2 blocker group. For every 500 people taking PPIs for a year, there is one extra death that would not have otherwise occurred, researchers said.
{{/usCountry}}They also calculated the risk of death in people who were prescribed PPIs or H2 blockers despite not having the gastrointestinal conditions for which the drugs are recommended. They found that people who took PPIs had a 24% increased risk of death compared with people taking H2 blockers.
“A lot of times people get prescribed PPIs for a good medical reason, but then doctors do not stop it and patients just keep getting refill after refill,” Al-Aly said. Both PPIs and H2 blockers are prescribed for serious medical conditions such as upper gastrointestinal tract bleeding, gastroesophageal reflux disease and esophageal cancer. Over-the-counter PPIs are most often used for heartburn and indigestion. The study was published in the journal BMJ Open.
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