Circadian reinforcement protocol

Circadian reinforcement protocol has been studied in 1 paper since 2026: 1 trial in people; 1 in the past year. The newest paper, Mar 16, 2026: “Restoring circadian homeostasis is associated with immune-metabolic recovery and medium-term oncologic outcomes after rectal cancer surgery: a prospective randomized trial”.

Intervention

1 paper studies it3 findingsUpdated

See all 1

“Circadian reinforcement reduced IL-6 AUC0-7d (362 ± 145 vs 518 ± 183 pg·day/mL; p < 0.001)”
Restoring circadian homeostasis is associated with immune-metabolic recovery and medium-term oncologic outcomes after rectal cancer surgery: a prospective randomized trialSurgical endoscopy2026doi:10.1007/s00464-026-12730-8

None of its findings points the other way.

  • 1 lab in 1 country
  • Human trial1

Studies in people

1 study gave circadian reinforcement protocol to people and measured what changed.

  • down: Decreases IL-6362 ± 145 vs 518 ± 183 pg·day/mL, p < 0.001

    down: Decreases prognostic inflammatory and nutritional indexΔPINI -16.9 ± 10.3% vs -30.8 ± 11.4%, p < 0.001

    up: Improves disease-free survivalHR 0.56 [0.35-0.89], p = 0.014

    Randomized trial240 people3-year

    After rectal cancer surgery

    Surgical endoscopy, Mar 16, 2026

What did studies of Circadian reinforcement protocol find?

3

Studies of Circadian reinforcement protocol measured 3 outcomes; the most studied are disease-free survival (1 study), prognostic inflammatory and nutritional index (1) and IL-6 (1).

Disease-free survival

upin humans1HR 0.56

1 study
  1. Circadian reinforcement protocol improves disease-free survival in humans (HR 0.56 [0.35-0.89], p = 0.014).

    “intervention was associated with improved 3-year disease-free survival (HR 0.56 [0.35-0.89]; p = 0.014)”

    Human trialafter rectal cancer surgery3-yearn = 240

    Restoring circadian homeostasis is associated with immune-metabolic recovery and medium-term oncologic outcomes after rectal cancer surgery: a prospective randomized trial

    Surgical endoscopy

Prognostic inflammatory and nutritional index

downin humans1

1 study
  1. Circadian reinforcement protocol decreases prognostic inflammatory and nutritional index in humans (ΔPINI -16.9 ± 10.3% vs -30.8 ± 11.4%, p < 0.001).

    “attenuated inflammatory-nutritional deterioration (ΔPINI -16.9 ± 10.3% vs -30.8 ± 11.4%; p < 0.001)”

    Human trialafter rectal cancer surgeryn = 240

    Restoring circadian homeostasis is associated with immune-metabolic recovery and medium-term oncologic outcomes after rectal cancer surgery: a prospective randomized trial

    Surgical endoscopy

More on Prognostic inflammatory and nutritional index

IL-6

downin humans1

1 study
  1. Circadian reinforcement protocol decreases IL-6 in humans (362 ± 145 vs 518 ± 183 pg·day/mL, p < 0.001).

    “Circadian reinforcement reduced IL-6 AUC0-7d (362 ± 145 vs 518 ± 183 pg·day/mL; p < 0.001)”

    Human trialafter rectal cancer surgeryn = 240

    Restoring circadian homeostasis is associated with immune-metabolic recovery and medium-term oncologic outcomes after rectal cancer surgery: a prospective randomized trial

    Surgical endoscopy

More on IL-6

Latest

Nov 2025: 0Dec 2025: 0Jan 2026: 0Feb 2026: 0Mar 2026: 1Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0Sep 2026: 0Oct 2026: 01 paper in 12 months