Introduction to the Pradaxa Lawsuit
- Pradaxa Lawsuit Patients claimed the blood thinner Pradaxa caused severe, life-threatening internal bleeding that was difficult to reverse.
- Manufacturer: Boehringer Ingelheim Pharmaceuticals faced over 6,000 lawsuits.
- Current Status: The mass tort litigation is closed, and attorneys are generally not accepting new Pradaxa cases.
Major Settlements
- 2014 Settlement: Boehringer Ingelheim agreed to pay $650 million to settle more than 4,000 pending lawsuits.
- 2020 Settlement: The company settled remaining claims in Connecticut involving injuries occurring after the initial 2014 agreement.
Key Allegations
- Lack of Antidote: Pradaxa entered the market in 2010 without a rapid reversal agent. An antidote, Praxbind, was not approved by the FDA until October 2015.
- Deceptive Marketing: Pradaxa Lawsuits,alleged the manufacturer marketed the drug as safer and easier than warfarin without requiring blood monitoring, despite internal documents suggesting monitoring could reduce risks.
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How It Works
- Pradaxa belongs to a drug class called direct thrombin inhibitors.
- It blocks thrombin, which is a natural protein your body uses to make blood clots.
- By blocking thrombin, it stops new clots from forming and keeps existing clots from growing.
Common Uses
You can learn more about its approved indications on the Pradaxa Official Patient Resource. It is prescribed to:
- Lower stroke risk in adults with atrial fibrillation (an irregular heartbeat) not caused by a heart valve problem.
- Treat blood clots in the deep veins of the legs (deep vein thrombosis, or DVT) or lungs (pulmonary embolism, or PE) after initial treatment with injectable blood thinners.
- Prevent clots from returning in adults and certain pediatric patients.
- Prevent blood clots in adults who just underwent hip replacement surgery.
Key Risks and Side Effects
- Bleeding: The most serious risk is severe or uncontrollable bleeding, because the medicine slows down your blood’s ability to clot.
- Minor cuts may bleed longer than usual.
- Seek medical help right away if you fall, hit your head, or experience bleeding that will not stop.
Pradaxa Marketing
- Pradaxa gained momentum as the result of a “RE-LY Clinical trial” (Randomized Evaluation of Long-term anticoagulant therapy) sponsored by Boehringer Ingelheim Pharmaceuticals.
- The RE-LY trial concluded that vitamin K antagonists such as warfarin are cumbersome to use, because of their multiple interactions with food and drugs, and they require frequent laboratory monitoring. Oral Vitamin K antagonists, such as warfarin, have been used in various indications for more than 50 years.
- The RE-LY Clinical trial, sponsored by Boehringer Ingelheim Pharmaceuticals, went on to suggest that there was a need for new anticoagulant agents that are effective, safe, and convenient to use. The marketing materials suggested that Pradaxa represented a therapeutic simplification and therapeutic progress because they did not require patients to undergo periodic monitoring with blood tests.
- Boehringer Ingelheim’s marketing strategy RE-LYs very heavily relied on the findings of their clinical trial and it has paid off – Pradaxa was predicted to become one of the leading therapies in the atrial fibrillation drug market.
Pradaxa Risks Discovered
- But, one year after its FDA approval, Boehringer Ingelheim acknowledged 260 deaths associated with the use of Pradaxa.
- Unfortunately, there are too many instances where products prove to be more dangerous than the company-sponsored studies indicated.
- Further, history is filled with examples of companies responding improperly when negative safety information comes to light about potential blockbuster products. It is inherently difficult for companies to make the right decision when profits can be so marginalized by disclosure of safety risks.
- Unfortunately, as of November 14, 2014, 35,549 reports of a serious adverse event identified Pradaxa as the primary suspect drug causing the event.
- According to voluntary reports to the FDA from health professionals and consumers, in 2011, Pradaxa surpassed all other monitored drugs in several categories, including the overall number of reports (3,781), deaths (542), hemorrhage (2,367), acute renal failure (291) and stroke (644).
2011 Pradaxa Report Breakdown
- Overall Reports: 3,781 total adverse event filings
- Deaths: 542 reported fatalities
- Hemorrhage: 2,367 severe bleeding events
- Acute Renal Failure: 291 kidney failure cases
- Stroke: 644 stroke incidents

Key Context
- Voluntary Nature: These figures came from voluntary submissions by doctors, health workers, and consumers.
- Underreporting: Experts estimate that voluntary systems capture only a small percentage of actual adverse drug reactions.
- Drug Purpose: Pradaxa is a prescription anticoagulant used to lower the risk of blood clots and strokes in patients with atrial fibrillation.
In October 2015, the FDA approved an antibody, Praxbind (idarucizumab), which has been shown to reduce the anticoagulation effects of Pradaxa.
Pradaxa Side Effects
Did you suffer from the following side effects while taking Pradaxa?
- Experienced a bleeding event that required blood transfusions;
- Experienced a bleeding event that required hospitalization, serious injury, and/or death.
Please contact your doctor to consider whether Pradaxa may currently, or will, cause an issue.
