Hidden Hormone Imbalance May Explain Why Blood Pressure Medications Fail
New study finds 27% of patients with treatment-resistant hypertension have elevated cortisol levels that could explain medication failures.
Summary
A groundbreaking U.S. study reveals that more than one in four people with treatment-resistant high blood pressure have elevated cortisol levels, a hidden hormone imbalance that may explain why standard medications fail. The MOMENTUM study tested over 1,000 patients and found 27% had hypercortisolism—far higher than previously expected. This discovery could revolutionize treatment for the nearly 10 million Americans whose blood pressure remains dangerously high despite multiple medications. Identifying and treating excess cortisol production may finally provide relief for these patients.
Detailed Summary
High blood pressure that won't respond to medication may have a hidden culprit: elevated cortisol levels. The landmark MOMENTUM study examined 1,086 patients with resistant hypertension across 50 U.S. medical centers and discovered that 27% had hypercortisolism, a condition where the body produces excessive amounts of the stress hormone cortisol.
This finding is significant because resistant hypertension affects nearly 10 million Americans whose blood pressure remains dangerously elevated despite taking three or more medications. These patients face increased risks of heart attacks, strokes, and heart failure, making effective treatment crucial for longevity and healthspan.
The study used a simple dexamethasone suppression test to measure cortisol levels. Researchers found that patients with reduced kidney function were more likely to have elevated cortisol. Additionally, about 20% of participants had primary hyperaldosteronism (excess aldosterone production), and 6% had both hormone imbalances.
This discovery opens new therapeutic pathways for treatment-resistant hypertension. By identifying and treating underlying hypercortisolism, doctors may finally help patients achieve blood pressure control when standard therapies fail. The research suggests that cortisol screening should become routine for patients whose hypertension doesn't respond to conventional treatment, potentially transforming outcomes for millions of people struggling with this life-threatening condition.
Key Findings
- 27% of treatment-resistant hypertension patients have elevated cortisol levels
- Simple dexamethasone suppression test can identify hypercortisolism in these patients
- Patients with reduced kidney function show higher likelihood of elevated cortisol
- 6% of resistant hypertension patients have both cortisol and aldosterone excess
- Cortisol screening may explain why standard blood pressure medications fail
Methodology
This is a research news report from ScienceDaily covering the MOMENTUM study conducted by Mount Sinai and other medical centers. The study appears to be a large-scale observational study with robust methodology involving 1,086 participants across 50 centers.
Study Limitations
The article doesn't provide details about treatment outcomes for patients with identified hypercortisolism or long-term follow-up data. The specific criteria for resistant hypertension and the effectiveness of cortisol-targeted treatments aren't fully detailed in this news summary.
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