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Updated: May 17, 2026

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Controlled Cortical Impact Model for Traumatic Brain Injury
Published on: August 5, 2014
Progesterone for acute traumatic brain injury.
Junpeng Ma1, Siqing Huang, Shu Qin
1Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China.
The Cochrane Database of Systematic Reviews
|October 19, 2012
Summary
Progesterone may reduce mortality and severe disability in traumatic brain injury (TBI) patients. However, more multicenter randomized controlled trials are needed to confirm these findings for TBI treatment.
Area of Science:
- Neuroscience
- Clinical Medicine
- Pharmacology
Background:
- Traumatic brain injury (TBI) is a significant cause of mortality and long-term disability.
- Progesterone is being investigated as a potential neuroprotective agent for TBI treatment.
Purpose of the Study:
- To evaluate the efficacy and safety of progesterone in individuals with acute TBI.
- To synthesize evidence from randomized controlled trials (RCTs) on progesterone for TBI.
Main Methods:
- Comprehensive literature search across multiple databases (e.g., Cochrane, MEDLINE, EMBASE) up to August 2012.
- Inclusion of published and unpublished RCTs comparing progesterone with placebo or no progesterone in acute TBI patients.
- Independent screening and selection of studies by two reviewers to ensure accuracy.
Main Results:
- Three RCTs with 315 participants were included. Two studies were of high methodological quality.
- Progesterone administration showed a reduced risk ratio (RR) for mortality (0.61, 95% CI 0.40-0.93).
- A reduced RR for death or severe disability was observed (0.77, 95% CI 0.62-0.96); no significant differences in intracranial pressure or adverse events were found.
Conclusions:
- Preliminary evidence from three small RCTs suggests progesterone may improve neurological outcomes in TBI patients.
- The current evidence is limited, underscoring the need for larger, multicenter RCTs to validate these findings.
- Further research is essential to establish the role of progesterone in TBI management.
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