A Birth Control Shot That Changed Lives — and Not Always for the Better.

Trial Lawyers United represents women nationwide who developed meningioma brain tumors after long-term use of the Depo-Provera birth control injection.

In the Relentless Pursuit of Justice | Results without Risk.

Overview

For decades, Depo-Provera, manufactured by Pfizer, Inc., was promoted as a convenient contraceptive — a simple shot every three months. Millions of women trusted it as a safe alternative to daily pills.

But research now links long-term exposure to Depo-Provera’s synthetic hormone, medroxyprogesterone acetate, to the growth of meningiomas — benign but potentially life-threatening brain tumors. Many women have required brain surgery, experienced neurological damage, or been left with permanent disabilities.

At Trial Lawyers United, we represent women and families devastated by these preventable injuries. We are pursuing justice against Pfizer for concealing evidence that Depo-Provera could stimulate hormone-sensitive tumor growth in the brain.

Who’s Liable / How Fault Works

Depo-Provera lawsuits target Pfizer, Inc., and its affiliates for product liability, negligence, and failure to warn. The claims allege that Pfizer:

• Knew of clinical data suggesting progesterone-based drugs may trigger or accelerate meningioma growth.
• Failed to warn physicians and patients about the elevated risk of brain tumors with prolonged Depo-Provera use.
• Continued marketing the shot to young women and repeat users despite accumulating evidence of neurological danger.
• Ignored post-marketing signals from Europe and the U.S. that linked Depo-Provera to meningioma diagnoses.

Our firm’s litigation strategy centers on exposing Pfizer’s timeline of knowledge — what it knew, when it knew it, and how it chose profits over transparency.

Scientific Evidence and Mechanism of Harm

Meningiomas are tumors that form in the membranes surrounding the brain and spinal cord. They are typically progesterone-receptor positive, meaning they can grow in response to synthetic hormones like medroxyprogesterone acetate — the active ingredient in Depo-Provera.

Key findings include:

• French and Scandinavian population studies (2018–2023) showing women who used Depo-Provera long-term faced significantly higher rates of meningioma compared to non-users.
• Mechanistic research demonstrating that Depo-Provera’s synthetic hormone can bind to and stimulate tumor growth in the meninges.
• Regulatory actions in Europe recommending restricted use for women with known meningiomas or long-term hormonal exposure.

Despite this evidence, Pfizer continued to market Depo-Provera globally without clear warnings about neurological risk until lawsuits and media investigations forced scrutiny.

Injuries and Complications Linked to Depo-Provera

Women who received Depo-Provera injections and later developed meningiomas report:

• Severe headaches and visual disturbances
• Seizures or cognitive impairment
• Loss of coordination or balance
• Memory problems and mood changes
• Partial paralysis or sensory loss
• Need for brain surgery or radiation treatment
• Permanent neurological damage
• Wrongful death in advanced or recurrent cases

These tumors are often classified as “benign,” but their effects are anything but — surgical removal can leave lasting disability and emotional trauma.

Evidence and Proof

Our attorneys collaborate with neurosurgeons, endocrinologists, and pharmacologists to link Depo-Provera exposure to meningioma formation. We rely on:

• Prescription and injection records confirming Depo-Provera use and duration.
• MRI or CT imaging verifying meningioma diagnosis and growth rate.
• Pathology reports showing progesterone-receptor-positive tumors.
• Scientific literature and post-marketing studies connecting the drug’s mechanism to tumor growth.
• Internal Pfizer documents revealing early awareness of progesterone-related tumor risks.

By combining clinical proof and corporate evidence, we build cases that clearly connect Pfizer’s conduct to patient harm.

How We Help

Trial Lawyers United LLC represents women nationwide in the active Depo-Provera meningioma litigation. With our co-counsel and partners, we bring the resources of a national mass-tort practice together with personalized attention for every client.

Our representation includes:

• Comprehensive intake and medical record review.
• Coordination with treating neurologists and radiologists.
• Filing and managing Depo-Provera claims in state and federal courts.
• Working with national experts in neuro-oncology and endocrinology.
• Pursuing maximum compensation for medical bills, lost income, and long-term neurological harm.

Every case is handled on a contingency fee basis — you pay nothing unless we win. Results without risk.

FAQ

Q: What is the connection between Depo-Provera and meningioma?

A: Depo-Provera contains a synthetic hormone that can stimulate growth in progesterone-sensitive tissues, including the brain’s meninges, leading to tumor development.

Q: How do I know if I have a claim?

A: If you used Depo-Provera and were later diagnosed with meningioma, you may qualify. Our team will review your medical history and imaging at no cost.

Q: How long after Depo-Provera use can symptoms appear?

A: Meningiomas often develop slowly and may not cause symptoms for years after exposure, making legal and medical timelines crucial.

Q: What does it cost to hire your firm?

A: Nothing upfront. We only get paid when we recover compensation — Results without Risk.