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Cancer Treatment Timing Matters: Early Doses Boost Survival
23 Dec
Summary
- Treating lung cancer earlier in the day showed significantly greater patient benefit.
- Patients receiving treatment before 3:00 PM had longer survival outcomes.
- Chronotherapy suggests body rhythms impact immune function and drug effectiveness.
New research indicates that the time of day patients receive cancer treatments could critically impact their outcomes. A study published in Cancer found that early-day immunochemotherapy for extensive-stage small cell lung cancer (ES-SCLC) yielded significantly greater benefits compared to afternoon treatments. Patients treated before 3:00 PM experienced substantially longer progression-free survival and overall survival.
The findings support the concept of chronotherapy, which posits that the body's circadian rhythms influence immune system function and drug metabolism. This suggests that cancer treatments might be more effective at specific times, as immune activity and how the body processes medication fluctuate over a 24-hour period. Researchers noted that earlier administration was associated with a notably lower risk of cancer progression and death.
While this retrospective study provides compelling preliminary evidence, further prospective trials are recommended to confirm these results across diverse populations. Experts caution against altering treatment schedules based solely on these findings but suggest that if scheduling flexibility exists, earlier infusion times may be preferable.
