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New antibody JS203 takes on rituximab in Head-to-Head lymphoma trial

NCT ID NCT07808827

Disease control Sponsor: Shanghai Junshi Bioscience Co., Ltd. Source: ClinicalTrials.gov ↗

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 10, 2026 · Updated 1 time

Summary

Researchers are testing whether an experimental antibody called JS203, added to gemcitabine and oxaliplatin chemotherapy, helps adults with diffuse large B-cell lymphoma (DLBCL) that has come back or stopped responding to treatment. The trial compares this combination against the standard regimen of rituximab plus the same two chemotherapy drugs. About 282 people aged 18 to 75 with CD20-positive DLBCL will take part. The main goal is to see if JS203 plus chemotherapy helps people live longer than the standard approach.

What this could mean

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

Active substance
JS203, an experimental antibody drug that targets CD20 on lymphoma cells, given with gemcitabine and oxaliplatin chemotherapy
What this could lead to
If JS203 works better than rituximab, it could give people with relapsed or refractory DLBCL another treatment option that may extend survival.
What could go wrong
JS203 is still experimental, and combining it with chemotherapy may cause serious side effects. The trial may show it is no better than the standard rituximab regimen, and results in this selected group may not apply to everyone.

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 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 282 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Feb 2030

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 to 75 years

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 meet all of the following inclusion criteria to be enrolled: * Age range: 18 to 75 years old (inclusive), both male and female are acceptable * ECOG: 0-1； * One of the confirmed histologies below with CD20-positivity: DLBCL, not otherwise specified (NOS), including de novo or histologically transformed from follicular lymphoma (FL)/Marginal Zone Lymphoma(MZL) "Double-hit" or "triple-hit" DLBCL , including de novo or histologically transformed from FL/MZL FL Grade 3B T-cell/histiocyte-rich large B-cell lymphoma * At least one measurable lesion meeting the criteria specified in the Lugano 2014 response assessment； * Acceptable organ function at screening； Exclusion Criteria: * A history of severe allergy to monoclonal antibody therapy (or recombinant antibody-related fusion protein)； * Previously received CD20-CD3 bispecific antibody treatment； * Previous allogeneic hematopoietic stem cell transplantation； * Previous solid organ transplantation * History of autoimmune diseases * Patients with a history of macrophage activation syndrome (MAS)/ hemophagocytic lymphohistiocytosis (HLH) * Patients with a history of progressive multifocal leukoencephalopathy (PML) * A known or suspected history of CNS lymphoma (including primary or secondary) * There is pleural effusion, peritoneal effusion or pericardial effusion that requires treatment (such as puncture or drainage)

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Conditions

The condition(s) this trial relates to.

diffuse large B-cell lymphoma relapsed/refractory diffuse large B-cell lymphoma

As listed by the trial registrant

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

Diffuse large B cell lymphoma

How to take part

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  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

  • Beijing Cancer Hospital

    Beijing, Beijing Municipality, 100142, China

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