Key result
Tenecteplase linked to an ~80% reduction in ST-segment elevation and resolved chest pain in STEMI.
Why the study?
The study was conducted to determine the safety and effectiveness of tenecteplase among patients with STEMI undergoing thrombolytic therapy.
Does tenecteplase improve ST-segment resolution and reduce ischemic chest pain in patients with STEMI?
Cross-Sectional (n=141)
No
Does tenecteplase improve ST-segment resolution and reduce ischemic chest pain in patients with STEMI?
Effect estimate: Wilcoxon sign rank test p <0.001 for ST-segment height reduction and NPRS reduction
Absolute Event Rate: 1% vs 5%
p-value: p=<0.001
Tenecteplase is a safe and highly effective primary thrombolytic agent for STEMI, significantly reducing ischemic pain and ST-segment elevation, particularly in resource-constrained settings without immediate PCI access.
Should not change STEMI practice; hypothesis-generating for tenecteplase reperfusion pending randomized data.
The main aim & objective of our study was to determine the safety and effectiveness of Tenecteplase (TNK) among patients with a diagnosis of ST-segment elevation myocardial infarction (STEMI) undergoing thrombolytic therapy. The study took place at the Government General Hospital Kurnool, and total 141 subjects were included who were aged 20-80 years and had an ECG displaying a diagnosis of STEMI less than 12 hours after the emergence of symptoms. Our research revealed the male prevalence and the average age of patients was 52.6 years. AWMI was the most common subtype with 55.3 percent. The ST-segment elevation had significantly reduced in response to thrombolytic therapy with Tenecteplase, which implied that myocardial reperfusion was successful. The Numerical Pain Rating Scale (NPRS) rating decreased to 0 which shows the complete absence of the ischemic chest pain in the majority of patients. There were few adverse events with tenecteplase and this shows that the drug has good safety profile. Our research findings endorse the application of Tenecteplase as a primary thrombolytic agent in pharmacoinvasive management of STEMI especially in resource-restrained models. Its proven effectiveness, good safety profile and convenience of administration make it an effective and viable alternative to consider in an environment where access to percutaneous coronary intervention (PCI) is constrained by time.
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Satharla et al. (2026) conducted a cross-sectional in Patients aged 20-80 years diagnosed with ST-segment elevation myocardial infarction (STEMI) undergoing thrombolytic therapy with Tenecteplase within 12 hours of symptom onset (n=141). Tenecteplase was evaluated on Reduction in ST-segment elevation on ECG indicating myocardial reperfusion and reduction in chest pain assessed by Numeric Pain Rating Scale (NPRS) (Wilcoxon sign rank test p <0.001 for ST-segment height reduction and NPRS reduction, p=<0.001). Tenecteplase significantly reduced median ST-segment elevation from 5 mm to 1 mm and median chest pain score from 9 to 0 in patients with STEMI (p <0.001).
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