- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT07575737
The Impact of Preoperative Statin Therapy and and Its Intensity on Postoperative and Mortality and Morbidity (STIMM)
Impact of Statin Therapy and Intensity on Postoperative and Mortality and Morbidity: A Prospective Observational Dual-Centre Cohort Study
Statins are among the most widely prescribed drugs worldwide, and their benefits in cardiovascular risk reduction are well established. Beyond lipid lowering, statins exert pleiotropic effects - including anti-inflammatory, antioxidant, and endothelial-stabilizing properties - that have generated longstanding interest in their potential to mitigate perioperative complications.
Major surgery provokes a systemic inflammatory response, endothelial activation, and hemodynamic stress that may precipitate myocardial injury, organ dysfunction, and death, particularly in patients with pre-existing cardiovascular disease.
Therefore, the aim is to examine the association between preoperative statin therapy and its intensity with postoperative all-cause mortality and days at home alive after major non-cardiac surgery in a large, contemporary, dual center-based cohort.
Přehled studie
Postavení
Podmínky
Detailní popis
Research hypothesis: Preoperative statin use is independently associated with reduced 30-day and 365-day all-cause mortality compared with no statin use. Higher statin intensity (high vs. low or moderate) is independently associated with reduced 30-day and 365-day all-cause mortality. Statin use and intensity are independently associated with greater DAH30 and DAH365, reflecting reduced postoperative morbidity
Background: Early randomised trials suggested that initiating statin therapy before surgery could reduce cardiac complications and mortality. However, several pivotal trials were subsequently retracted following research misconduct, undermining the evidence base for perioperative statin initiation and rendering clinical guidelines equivocal. Importantly, these discredited trials examined de novo short-term statin initiation - a question distinct from whether patients on established, chronic statin therapy experience better postoperative outcomes.
Subsequent observational studies have reported associations between preoperative statin use and reduced postoperative morbidity and mortality, but most have been limited by narrow surgical populations, and an inability to examine dose-response relationships, residual confounding or patient-centred outcomes beyond mortality.
Data collection and analysis: Data is collected prospectively between 2016 and 2023 across two tertiary academic centres - Karolinska University Hospital Solna and Huddinge - from electronic health records. Statin exposure status and intensity were ascertained from based on registered Anatomical Therapeutic Chemical (ATC) classification codes The primary analytical approach uses inverse probability of treatment weighting, implemented across two pre-specified binary analyses - statin use versus no use in the full cohort, and high versus low-moderate intensity within statin users, for more details see attached statistical analysis plan.
Typ studie
Zápis (Aktuální)
Kontakty a umístění
Studijní místa
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Stockholm, Švédsko
- Karolinska University Hospital Huddinge
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Stockholm, Švédsko
- Karolinska University Hospital Solna
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
- Dospělý
- Starší dospělý
Přijímá zdravé dobrovolníky
Metoda odběru vzorků
Studijní populace
Popis
Inclusion Criteria:
- Adults aged ≥ 18 years at the time of surgery
- Elective (non-emergency) surgical procedure
- Non-cardiac surgery (all surgical specialties except cardiac surgery)
Exclusion Criteria:
- Obstetric surgery
- Transplant surgery
- Planned day-case surgery (procedures with intended same-day discharge)
- Anesthetic monitoring episodes not involving a surgical procedure (e.g., anesthetic support for central venous catheter insertion)
- Urological brachytherapy
- Stereotactic radiosurgery (Gamma Knife or equivalent)
- Repeat or subsequent surgical procedures during the study period - only the index (chronologically first eligible) procedure per patient is included in the analysis
Studijní plán
Jak je studie koncipována?
Detaily designu
Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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30- and 365-day mortality
Časové okno: 30 and 365 days respectively
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Death within the time frames described
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30 and 365 days respectively
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Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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DAH30 (Days At Home alive at 30 days) and DAH365 (Days At Home alive at 365 days)
Časové okno: 30 and 365 days after index surgery,
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DAH30: Patients who are hospitalized for 14 days postoperatively but are alive on day 30 will have DAH30=16. Patients who are hospitalized for five days, then discharged, but return after 10 days for an additional 11-day stay, will have DAH30=14. Anyone who dies within 30 days will have DAH30=0. This outcome measure is validated in several studies and has a significant advantage in that it correlates well with complications, even better than length of stay (LOS). We will further record DAH365, calculated as described above. |
30 and 365 days after index surgery,
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Spolupracovníci a vyšetřovatelé
Sponzor
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Aktuální)
Primární dokončení (Aktuální)
Dokončení studie (Aktuální)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Další identifikační čísla studie
- 2024-01664-01
Plán pro data jednotlivých účastníků (IPD)
Plánujete sdílet data jednotlivých účastníků (IPD)?
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