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Can a common antioxidant boost CAR T-Cell therapy for lymphoma?

NCT ID NCT05081479

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 trial tests whether adding N-Acetylcysteine (N-AC), an antioxidant, to standard CAR T-cell therapy (Yescarta) is safe for people with lymphoma. Nine participants receive different doses of N-AC to find the highest dose with few side effects. The goal is to see if N-AC can improve the tumor environment and make the CAR T cells work better.

What this could mean

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

Active substance
N-Acetylcysteine (N-AC) given with axicabtagene ciloleucel (Yescarta) CAR T-cell therapy
What this could lead to
If it works, this could make CAR T-cell therapy more effective for lymphoma by improving the tumor environment.
What could go wrong
This is a very early phase 1 trial with only 9 participants, so it's mainly checking safety. The benefit is uncertain, and side effects from the combination are unknown.

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

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

9 people

The number who actually took part.

Started

Dec 2021

Expected to finish

Oct 2026

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: * Patients must be 18 years of age or older * Patients who will receive axicabtagene ciloleucel for treatment of lymphoma * Patients must have adequate end organ function to be eligible for this study as defined by the following criteria: * ECOG performance status 0-2 * Hematologic function with ANC ≥ 1000, Hgb ≥ 8, Plt ≥ 50k unless there is disease related hematologic toxicity * Renal function with CrCr ≥ 40 ml/min or Cr ≤ 1.5 x ULN * Hepatic function with ALT/AST ≤ 2.5 x ULN, TBili ≤ 1.5 x ULN. Exclusion Criteria: * Patients with known allergy to N-AC

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Memorial Sloan Kettering Basking Ridge (Limited Protocol Activities)

    Basking Ridge, New Jersey, 07920, United States

  • Memorial Sloan Kettering Bergen (Limited Protocol Activities)

    Montvale, New Jersey, 07645, United States

  • Memorial Sloan Kettering Cancer Center

    New York, New York, 10065, United States

  • Memorial Sloan Kettering Monmouth (Limited Protocol Activities)

    Middletown, New Jersey, 07748, United States

  • Memorial Sloan Kettering Nassau (Limited Protocol Activities)

    Uniondale, New York, 11553, United States

  • Memorial Sloan Kettering Suffolk - Commack (Limited Protocol Activities)

    Commack, New York, 11725, United States

  • Memorial Sloan Kettering Westchester (Limited Protocol Activities)

    Harrison, New York, 10604, United States

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