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RecruitingNCT07694414RiTOXUpdated Oct 20, 2026

Rituximab for Treatment of Checkpoint Inhibitor Induced Immune-related Adverse Events

A Phase 1 interventional study of Rituximab (RTX) in Immune-Related Adverse Events, sponsored by Inge Marie Svane. Recruiting at 1 site in Denmark. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-10-20.

Sponsored by Inge Marie Svane · Phase 1, Interventional, and Treatment

Updated Oct 20, 2026Now RecruitingSite recruiting status changed+1 moreGo to Updates ↓
Phase
Phase 1
Study type
Interventional
Enrollment
25
Allocation
Not applicable
Ages
18 Years and older
Sex
All
01

Study summary

The goal of this clinical trial is to investigate the safety of rituximab for management of immune-related adverse events in malignant melanoma patients. The main questions it aims to answer are:

  • Is rituximab safe for management of immune-related adverse events in malignant melanoma patients?
  • Does rituximab provide indications of clinical benefit in the management of immune-related adverse events compared with corticosteroid treatment alone?

Participants will:

  • Receive a single dose of 100 mg rituximab IV
  • Have regular follow-up consultations for 6 months following rituximab infusion
  • Follow a simultaneous corticosteroid tapering plan
02

Conditions studied

  • Immune-Related Adverse Events

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Keywords

  • Rituximab
  • Immunotherapy
  • Checkpoint inhibitors
  • Malignant melanoma
  • Immune-related adverse event
03

In context

Melanoma

3,370 studies on the registry are indexed under Melanoma; 578 are open to participants now.

This study's planned enrollment of 25 is below the median of 40 across 2,649 interventional studies indexed under Melanoma.

Browse Melanoma studies →

Lead sponsor

Inge Marie Svane is the lead sponsor of 25 studies on the registry; 6 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • confirmed malignant melanoma diagnosis
  • Treatment with (anti-PD1, anti-PDL1, anti-LAG3 and/or anti-CTLA4) due to melanoma within 3 months
  • Any irAEs grade 2-4 according to v. 6.0
  • Negative pregnancy test (serum hCG) in women of
  • Age ≥ 18 years
  • Ability to provide written and oral consent
  • The patient is able to understand and read Danish

Exclusion criteria

Exclusion Criteria:

  • Any ongoing infectious disease
  • Neutropenia (\<1.5 x10\^9/L) and/or thrombocytopenia (\<75 x10\^9/L)
  • Known towards the active substance rituximab or any of the
  • History of cardiovascular disease including severe heart failure grade 3-4, unstable angina pectoris, atrial fibrillation, atrial flutter, and myocardial infarction
  • Any major wounds
  • Low baseline IgG (\<6 g/L)
  • Positive virus, virus, , or tuberculosis screening
  • Concomitant medication except prednisolone
  • Concomitant chemotherapy or other antineoplastic therapy (except therapy) within 30 days prior to inclusion
  • Females of or males of who are not willing to use an effective method of , such as oral, injected, or implanted hormonal methods of contraception, intrauterine device or intrauterine system, condom in combination with occlusive cap (diaphragm or cervical/vault caps) with spermicidal foam, gel, film, cream or suppository, male sterilization, or true abstinence throughout study and for a minimum of 3 months after study drug therapy.
Terms in these criteria, in plain language(13)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Histologically or cytologically confirmed

The diagnosis was confirmed by looking at a sample under a microscope: tissue from a biopsy or surgery (histology), or cells from a fluid or needle sample (cytology).

Your pathology report is the document that shows this.

PD-1, PD-L1 and checkpoint inhibitors

PD-1, PD-L1 and CTLA-4 are proteins that act as brakes on the immune system. Checkpoint inhibitors, such as pembrolizumab or nivolumab, block them so the immune system can attack a cancer.

PD-L1 can also be measured in a tumour sample. Some scores count stained tumour cells only (TPS); others also count certain immune cells (CPS). The study names the score and the minimum it uses.

CTCAE grade

The US National Cancer Institute’s scale of how severe an adverse event is — any unwanted medical event during a study, such as a symptom, an illness or an abnormal test result, whether or not a treatment caused it. Whether it did is judged separately.

1
Mild.
2
Moderate.
3
Severe.
4
Life-threatening.
5
Death due to the event.

“Side effects of earlier treatment resolved to grade 1 or less” means they have settled to mild or gone.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Hypersensitivity

An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.

Excipients

The other ingredients in a medicine besides the active drug, such as fillers, colours or preservatives.

NYHA class (heart failure)

The New York Heart Association’s four classes of how much heart failure limits physical activity.

I
No limits: ordinary activity causes no undue tiredness or breathlessness.
II
Slight limits: comfortable at rest, ordinary activity causes symptoms.
III
Marked limits: comfortable at rest, less than ordinary activity causes symptoms.
IV
Symptoms even at rest; any activity makes them worse.

Studies set their own limit — many outside heart failure leave out class III–IV, while heart failure studies may ask for a particular class. Check the class this study names.

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

Hepatitis C tests

Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.

After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

Immunosuppression

A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.

Read whether the line is about a condition or about medicines, and which medicines and doses it means.

Reproductive potential

Able to have children. For women this usually means from the first period until menopause, unless permanently unable to through surgery; for men, unless permanently sterile. Read who the line is about — participants, women, men, or their partners.

Criteria about it usually ask for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
25 participants (estimated)

Study arms

  • Experimental
    Rituximab

    Drug: Rituximab (RTX)

Interventions

  • A single ultra-low dose rituximab (100 mg) infusion for patients with immune-related adverse events

06

What researchers measure

Primary outcomes

  1. Incidence and severity of rituximab-related adverse events graded according to CTCAE v. 6.0

    Safety of rituximab is evaluated by the Common Terminology Criteria for Adverse Events (CTCAE) v. 6.0 and include the incidence and severity of rituximab-related adverse events until 6 months post treatment.

    Time frame: Until 6 months post treatment

Secondary outcomes

  1. Immune-related adverse event management response

    The immune-related adverse events management response, defined as number of days until symptom control (corresponding to CTCAE grade 0-1 of the immune-related adverse event)

    Time frame: Until 6 months post treatment

  2. Corticosteroid dependency

    Corticosteroid dependency in rituximab treated patients measured as the number of days on corticosteroids following rituximab infusion.

    Time frame: Until 6 months post treatment

  3. Dose of corticosteroids

    Assessment of rituximab efficacy measured as cumulative dose and peak dose of corticosteroids.

    Time frame: Until 6 months post treatment

  4. Second- or third-line immunosuppressants

    Assessment of rituximab efficacy measured as the proportion of patients requiring second- or third-line immunosuppressive therapy after rituximab

    Time frame: Until 6 months post treatment

Other outcomes

  1. Changes in circulating B cells

    Changes in circulating B cells/B cell depletion will be evaluated by assessing changes in CD19+ and/or CD20+ B cell counts from baseline to 16 weeks post treatment.

    Time frame: Until 16 weeks post treatment

07

Study locations

1 of 1 sites recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

1 registry update since Sep 25, 2026
Status
Not yet recruiting→Recruiting
changed Oct 20, 2026
Sites
National Center for Cancer Immune Therapy, Department of Oncology, Herlev Hospital is now Recruiting
Oct 20, 2026
Start date
Aug 1, 2026→Oct 15, 2026 (actual)
Oct 20, 2026
Show all 1 update
  1. Oct 20, 2026
    Not yet recruiting→Recruiting
    National Center for Cancer Immune Therapy, Department of Oncology, Herlev Hospital is now Recruiting
    Start date Aug 1, 2026→Oct 15, 2026 (now actual)
    + 1 other change: verification date

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT07694414
Lead sponsor
Inge Marie Svane
Responsible party
Inge Marie Svane (Professor, MD, PhD, Herlev Hospital) — Sponsor-investigator
First posted
Jul 10, 2026
Start date
Oct 15, 2026
Primary completion
Aug 1, 2028 (estimated)
Completion
Dec 1, 2028 (estimated)
Last update
Oct 20, 2026

Study contacts

Inge Marie Svane, Professor, MD, PhD
Contact
inge.marie.svane@regionh.dk
004538683868
Frederikke Strauss Hansen, MD, PhD-student
Contact
frederikke.strauss.hansen@regionh.dk
004538683868

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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Studies of the drug tested here: Rituximab

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