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Study · Randomized controlled trial · n = 20 · 2001

16 results

Infusion of methylene blue in human septic shock: a pilot, randomized, controlled study.

Kirov MY, Evgenov OV, Evgenov NV, Egorina EM, Sovershaev MA, Sveinbjørnsson B, Nedashkovsky EV, Bjertnaes LJ

Critical care medicine1 Oct 2001Cited by 173 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study16

16 results from studies that gave the peptide. 16 results from people.

  1. 01HumanRandomized controlled trialEfficacy outcome

    In patients with septic shock, methylene blue prevented the stroke volume index from falling.

    In plain wordsIn patients with septic shock, methylene blue prevented the stroke volume index from falling.

    Outcome
    IncreaseStroke volume index
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Heart function · Cardiovascular
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    Infusion of MB prevented the stroke volume and the left-ventricular stroke work indexes from falling and increased mean arterial pressure.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In patients with septic shock, methylene blue prevented the left-ventricular stroke work index from falling.

    In plain wordsIn patients with septic shock, methylene blue prevented the heart's stroke work index from falling.

    Outcome
    IncreaseLeft-ventricular stroke work index
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Heart function · Cardiovascular
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    Infusion of MB prevented the stroke volume and the left-ventricular stroke work indexes from falling and increased mean arterial pressure.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  3. 03HumanRandomized controlled trialEfficacy outcome

    In patients with septic shock, methylene blue increased mean arterial pressure.

    In plain wordsIn patients with septic shock, methylene blue increased average arterial pressure.

    Outcome
    IncreaseMean arterial pressure
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Blood pressure · Cardiovascular
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    Infusion of MB prevented the stroke volume and the left-ventricular stroke work indexes from falling and increased mean arterial pressure.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  4. 04HumanRandomized controlled trialEfficacy outcome

    In patients with septic shock, methylene blue reduced norepinephrine requirements by as much as 87% versus controls.

    In plain wordsIn patients with septic shock, methylene blue reduced norepinephrine requirements by as much as 87% compared with controls.

    Outcome
    DecreaseNorepinephrine requirement
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Intensive care and hospital outcomes · Cardiovascular
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Measurements

    Reduction in norepinephrine requirement
    ≤ 87%
    methylene blue versus control group (reported as 'as much as')

    Source sentences

    Summary
    Compared with the control group, MB reduced the requirement for norepinephrine, epinephrine, and dopamine by as much as 87%, 81%, and 40%, respectively.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  5. 05HumanRandomized controlled trialEfficacy outcome

    In patients with septic shock, methylene blue reduced epinephrine requirements by as much as 81% versus controls.

    In plain wordsIn patients with septic shock, methylene blue reduced epinephrine requirements by as much as 81% compared with controls.

    Outcome
    DecreaseEpinephrine requirement
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Intensive care and hospital outcomes · Cardiovascular
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Measurements

    Reduction in epinephrine requirement
    ≤ 81%
    methylene blue versus control group (reported as 'as much as')

    Source sentences

    Summary
    Compared with the control group, MB reduced the requirement for norepinephrine, epinephrine, and dopamine by as much as 87%, 81%, and 40%, respectively.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  6. 06HumanRandomized controlled trialEfficacy outcome

    In patients with septic shock, methylene blue reduced dopamine requirements by as much as 40% versus controls.

    In plain wordsIn patients with septic shock, methylene blue reduced dopamine requirements by as much as 40% compared with controls.

    Outcome
    DecreaseDopamine requirement
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Intensive care and hospital outcomes · Cardiovascular
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Measurements

    Reduction in dopamine requirement
    ≤ 40%
    methylene blue versus control group (reported as 'as much as')

    Source sentences

    Summary
    Compared with the control group, MB reduced the requirement for norepinephrine, epinephrine, and dopamine by as much as 87%, 81%, and 40%, respectively.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  7. 07HumanRandomized controlled trialEfficacy outcome

    In patients with septic shock, oxygen delivery remained unchanged with methylene blue but decreased in controls.

    In plain wordsIn patients with septic shock, oxygen delivery stayed unchanged with methylene blue but fell in controls.

    Outcome
    MixedOxygen delivery
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Heart function · Cardiovascular
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    Oxygen delivery remained unchanged in the MB group and decreased in the control group.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  8. 08HumanRandomized controlled trialEfficacy outcome

    In patients with septic shock, methylene blue reduced body temperature.

    In plain wordsIn patients with septic shock, methylene blue reduced body temperature.

    Outcome
    DecreaseBody temperature
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Body temperature · Whole body
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    MB also reduced the body temperature and the plasma concentration of nitrates/nitrites.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  9. 09HumanRandomized controlled trialMechanism

    In patients with septic shock, methylene blue reduced plasma nitrate/nitrite concentrations.

    In plain wordsIn patients with septic shock, methylene blue reduced blood nitrate/nitrite levels.

    Outcome
    DecreasePlasma nitrates/nitrites
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Receptor activity and mechanism · Cardiovascular
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    MB also reduced the body temperature and the plasma concentration of nitrates/nitrites.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  10. 10HumanRandomized controlled trialSafety outcome

    In patients with septic shock, methylene blue did not significantly affect leukocytes.

    In plain wordsIn patients with septic shock, methylene blue did not significantly affect white blood cells.

    Outcome
    No significant changeLeukocytes
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    Leukocytes and organ function variables such as bilirubin, alanine aminotransferase, urea, and creatinine were not significantly affected.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  11. 11HumanRandomized controlled trialSafety outcome

    In patients with septic shock, methylene blue did not significantly affect bilirubin.

    In plain wordsIn patients with septic shock, methylene blue did not significantly affect bilirubin.

    Outcome
    No significant changeBilirubin
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Liver fat and liver function · Liver
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    Leukocytes and organ function variables such as bilirubin, alanine aminotransferase, urea, and creatinine were not significantly affected.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  12. 12HumanRandomized controlled trialSafety outcome

    In patients with septic shock, methylene blue did not significantly affect alanine aminotransferase.

    In plain wordsIn patients with septic shock, methylene blue did not significantly affect the liver enzyme alanine aminotransferase.

    Outcome
    No significant changeAlanine aminotransferase
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Liver fat and liver function · Liver
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    Leukocytes and organ function variables such as bilirubin, alanine aminotransferase, urea, and creatinine were not significantly affected.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  13. 13HumanRandomized controlled trialSafety outcome

    In patients with septic shock, methylene blue did not significantly affect urea.

    In plain wordsIn patients with septic shock, methylene blue did not significantly affect urea.

    Outcome
    No significant changeUrea
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Kidney function · Kidney and urinary
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    Leukocytes and organ function variables such as bilirubin, alanine aminotransferase, urea, and creatinine were not significantly affected.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  14. 14HumanRandomized controlled trialSafety outcome

    In patients with septic shock, methylene blue did not significantly affect creatinine.

    In plain wordsIn patients with septic shock, methylene blue did not significantly affect creatinine.

    Outcome
    No significant changeCreatinine
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Kidney function · Kidney and urinary
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    Leukocytes and organ function variables such as bilirubin, alanine aminotransferase, urea, and creatinine were not significantly affected.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  15. 15HumanRandomized controlled trialSafety outcome

    In patients with septic shock, platelet counts decreased in both methylene blue and control groups.

    In plain wordsIn patients with septic shock, platelet counts fell in both methylene blue and control groups.

    Outcome
    Direction not reportedPlatelet count
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Adverse events · Whole body
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Source sentences

    Summary
    Platelet count decreased in both groups.
    4 context sentences
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.
  16. 16HumanRandomized controlled trialSafety outcome

    In patients with septic shock, five methylene blue recipients survived versus three controls.

    In plain wordsIn patients with septic shock, five methylene blue recipients survived versus three controls.

    Outcome
    IncreaseSurvival at day 28
    Study

    n = 20

    Comparator
    Isotonic saline with conventional treatment
    Outcome group
    Mortality · Whole body
    Studied dose
    2 mg/kg bolus followed by 0.25, 0.5, 1, and 2 mg/kg/hr infusions · intravenousAs given in this study (human).

    Measurements

    Survivors
    5 patients
    methylene blue group
    Survivors
    3 patients
    conventional treatment (control) group

    Source sentences

    Summary
    Five patients treated with MB survived vs. three patients receiving conventional treatment.
    5 context sentences
    Summary · context
    Hemodynamics and organ function variables were assessed over a 24-hr period, and the survival rate at day 28 was noted.
    Summary · context
    Prospective, randomized, controlled, open-label, pilot study.
    Summary · context
    Twenty patients with septic shock diagnosed <24 hrs before randomization.
    Summary · context
    Patients were randomized 1:1 to receive either MB (MB group, n = 10) or isotonic saline (control group, n = 10), adjunctive to conventional treatment.
    Summary · context
    MB was administered as an intravenous bolus injection (2 mg/kg), followed 2 hrs later by infusion at stepwise increasing rates of 0.25, 0.5, 1, and 2 mg/kg/hr that were maintained for 1 hr each.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Registered trials3

Trials this study reports on, or that list this study as a reference. Registry data from ClinicalTrials.gov.

3 trials · 1 not yet recruiting · 2 completed · source ClinicalTrials.gov (opens in a new tab)

CompletedPhase not statedNCT07040540

Hemodynamic Effects of Intradermal Methylene Blue During Breast Surgery Under General Anesthesia

Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospitaln = 2201 Jul 2025 to 10 Jan 2026

Breast Cancer · Breast Surgery · Sentinel Lymph Node Biopsy · Methylene Blue · Hemodynamic Stability · Intraoperative Hypotension

Trial pageClinicalTrials.govUpdated 30 Apr 2026
Not yet recruitingPhase 2/3NCT06306001

Intravenous Methylene Blue for Treating Refractory Neonatal Septic Shock

Post Graduate Institute of Medical Education and Research, Chandigarhn = 130est. 15 Mar 2024 to est. Feb 2027

Neonatal Sepsis · Shock, Septic

Trial pageClinicalTrials.govUpdated 12 Mar 2024
CompletedPhase 4NCT03120637

Evaluating in Cirrhotics With Refractory Vasoplegia the Effect of Methylene Blue

Institute of Liver and Biliary Sciences, Indian = 1111 Jan 2017 to 10 Jan 2018

Septic Shock · Vasoplegia · Cirrhosis, Liver · Refractory Shock

Trial pageClinicalTrials.govUpdated 30 Jan 2018

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    14 Oct 2026, 05:02 UTC

    Study results updated

  2. Version 1

    14 Oct 2026, 01:46 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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