Methylene Blue for Cytokine Release Syndrome and ICANS
Adjunctive Methylene Blue for Immunotherapy-related CRS and ICANS: Phase I Study
Recruiting
Phase 1Interventional Study
Cytokine Release SyndromeICANS
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Ready to participate?
Review the details below, then apply to join this clinical trial.
At a Glance
Age
18 and older
Sex
Any
Trial phase
Phase 1
Study type
Interventional
Purpose
Treatment
Participants needed
18 (estimated)
Sponsor
Institute of Hematology & Blood Diseases Hospital, China · Other
Who this trial is looking for
This trial is looking for adults with blood cancers who have developed symptoms of cytokine release syndrome or neurotoxicity after immunotherapy. Participants will receive intravenous methylene blue for several days while their health is monitored.
Are You a Good Fit for This Trial?
You may be able to join if
I am at least 18 years old.
I have been diagnosed with a blood cancer.
I have received immunotherapy and have CRS or ICANS symptoms.
I expect to live for at least 3 more months.
I will use effective contraception if I can get pregnant.
My heart function is normal as shown by an echocardiogram.
I can understand and sign the consent form.
You may not be able to join if
I have glucose-6-phosphate dehydrogenase deficiency.
I am allergic to methylene blue.
I am pregnant or breastfeeding.
I have tested positive for HIV.
I have a history of serious heart rhythm problems.
I have a psychiatric disorder that would interfere with the study.
I have a condition that the doctor thinks makes me unsuitable for the trial.
Summarized in plain language from this trial's official eligibility criteria.
The full criteria are further down this page — only the research team can
confirm whether you qualify.
Think this trial could be right for you?
Answer a few quick questions to see if you may meet the eligibility requirements.
This Phase I, prospective, single-arm clinical study aims to evaluate the efficacy and safety of adjunctive methylene blue (MB) in patients experiencing cytokine release syndrome (CRS) or immune effector cell-associated neurotoxicity syndrome (ICANS) following CAR-T cell therapy or bispecific antibody treatment. Preclinical studies demonstrated that MB alleviates CRS/ICANS-related symptoms, preser…
This Phase I, prospective, single-arm clinical study aims to evaluate the efficacy and safety of adjunctive methylene blue (MB) in patients experiencing cytokine release syndrome (CRS) or immune effector cell-associated neurotoxicity syndrome (ICANS) following CAR-T cell therapy or bispecific antibody treatment. Preclinical studies demonstrated that MB alleviates CRS/ICANS-related symptoms, preserves the antitumor function of T cells, and modulates neuroinflammation without compromising immune efficacy. The study will employ a 3+3 dose-escalation design with three MB dosing cohorts, with treatment administered intravenously for 3-5 consecutive days. Vital signs, laboratory markers, and neurological status will be closely monitored, and concomitant standard supportive therapies will be permitted.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
1. Diagnosed with hematologic malignancies based on cytomorphology and immunophenotyping; age ≥18 years.
2. Received immunotherapy (e.g., CAR-T cells, bispecific antibodies) and developed CRS or ICANS of ASTCT Grade ≥1.
3. Estimated life expectancy ≥3 months.
4. Male and female …
Inclusion Criteria:
1. Diagnosed with hematologic malignancies based on cytomorphology and immunophenotyping; age ≥18 years.
2. Received immunotherapy (e.g., CAR-T cells, bispecific antibodies) and developed CRS or ICANS of ASTCT Grade ≥1.
3. Estimated life expectancy ≥3 months.
4. Male and female participants of childbearing potential agree to use effective contraception.
5. Left ventricular ejection fraction (LVEF) \>45% by echocardiography.
6. Ability to understand and sign informed consent and willingness to comply with study requirements.
Exclusion Criteria:
1. Glucose-6-phosphate dehydrogenase (G6PD) deficiency.
2. Known allergy to methylene blue.
3. Pregnant or breastfeeding women.
4. Known HIV seropositivity. HIV testing may be required according to local laws or regulations.
5. History of clinically significant ventricular arrhythmia, unexplained syncope (not vasovagal), sinoatrial block, or higher-degree atrioventricular (AV) block with chronic bradycardia (unless a permanent pacemaker is implanted).
6. Psychiatric disorders that may interfere with completion of treatment or informed consent.
7. Any other condition deemed unsuitable for participation by the investigator.
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