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New drug aims to tame dangerous immune reactions from cancer therapy

NCT ID NCT05306080

Disease control Sponsor: University of Pennsylvania Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early-phase study tests whether an investigational drug called Tadekinig alfa can safely and feasibly treat severe immune overreactions (CRS and HLH-like syndrome) that can occur after CAR T cell therapy. Ten adult participants who are already in a CAR T cell trial will receive injections of the drug. The goal is to see if this rescue therapy can help control these serious side effects.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Tadekinig alfa (IL-18BP)
What this could lead to
If successful, this could provide a safer way to manage dangerous side effects from CAR T cell therapy, making the treatment more tolerable.
What could go wrong
This is a very early, small pilot study with only 10 participants, so results may not apply broadly. The drug may not effectively control CRS or HLH-like syndrome.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

About 10 people

The number the study aims to enrol. It can still change while the study runs.

Started

Apr 2022

Expected to finish

Apr 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Signed, written informed consent 2. Male or female patients age ≥ 18 years 3. Have been co-enrolled in a University of Pennsylvania-Sponsored, CCI-Initiated CAR T cell clinical trial. 4. Subjects of reproductive potential must agree to use acceptable birth control methods, as described in protocol Exclusion Criteria: 1. Pregnant or nursing (lactating) women. 2. Known hypersensitivity to the active substance or one of the excipients of the investigational product(s).

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Conditions

The condition(s) this trial relates to.

cytokine release syndrome hemophagocytic syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CRS - cytokine release syndrome HLH

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Pennsylvania

    RECRUITING

    Philadelphia, Pennsylvania, 19104, United States

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