ClinicalTrials.gg
Active, not recruitingNCT03322865Updated May 6, 2026

Obinutuzumab in Marginal Zone Lymphoma

A Phase 2 interventional study of Obinutuzumab in Marginal Zone Lymphoma, sponsored by Christian Buske. Active, not recruiting at 12 sites in Germany. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-05-06.

Sponsored by Christian Buske · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
56
Allocation
Not applicable
Ages
18 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 10 studies testing obinutuzumab in Lymphoma, B-Cell, Marginal Zone — 4 open to participants now, 7 under way, none of them phase 3. obinutuzumab · Lymphoma, B-Cell, Marginal Zone.

Planned enrollment
4th of 10
56 · median 50
Started
2018
with 1 other
Phase 2
7 of 10
4 open now
Registered
4th of 10
by date
Lead sponsor
1 of 10
Christian Buske

Among the 10 studies testing obinutuzumab in Lymphoma, B-Cell, Marginal Zone, this one is the 4th largest by planned enrollment, is one of 2 that started in 2018, is one of 7 in phase 2, and was the 4th registered.

Lymphoma, B-Cell, Marginal Zone

875 studies on the registry are indexed under Lymphoma, B-Cell, Marginal Zone; 111 are open to participants now.

Browse Lymphoma, B-Cell, Marginal Zone studies →

Open to participants now

4 of the 10 studies testing obinutuzumab in Lymphoma, B-Cell, Marginal Zone are open now, in 2 countries. Recruiting first, the newest first:

By country, each count listing its studies:

All 4 open studies →

Where they have run

About obinutuzumab

obinutuzumab: first FDA approval 2013 (GAZYVA), first EMA approval 2014. What it is approved for, and how studies give it, is on its page →

Who these studies take

Of the 92 Lymphoma, B-Cell, Marginal Zone studies recruiting now, 77 (84%) set no upper age limit and 7 (8%) stop at 75 or younger; 9 take children under 18; 3 take healthy volunteers.

This study: 18 Years and older · all sexes · no healthy volunteers.

The full table on the hub →

This tab as a report to print or save as PDF → With an account.

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Watch this landscapeDownload CSVNarrow it in search →With an account: a weekly mail of what changed among 10 studies testing obinutuzumab in Lymphoma, B-Cell, Marginal Zone, or all of them as a file.
02

Study summary

For marginal zone lymphoma (MZL) Rituximab in combination with conventional chemotherapy are widely used for those patients who fail local therapy or do not qualify for such. Depending on the MZL subtype Rituximab/chemotherapy is able to induce in part long remissions, but do not prevent relapse later on. In addition, chemotherapy associated toxicity is often problematic in MZL patients, who are mostly of advanced age. Thus, chemotherapy - free approaches are highly attractive for this patient group. Rituximab single agent is a widely used chemotherapy - free approach in MZL, but was significantly inferior compared to Rituximab/chlorambucil in a large randomized prospective clinical trial in treatment naïve MZL with a CR rate of 56 % vs. 80%, respectively (P\<0.001).Thus, it is the major aim to develop chemotherapy - free approaches for MZL, which approach efficacy of rituximab/chemotherapy combinations, but avoid chemotherapy associated toxicities. This in particular important in MZL as many physicians are reluctant to treat these often elderly patients with more intense treatments and prefer single agent therapies in these very often well and long responding lymphoma subtype. The type II anti-CD20 antibody Obinutuzumab (OBINUTUZUMAB) has demonstrated remarkable activity in follicular lymphoma and superiority to Rituximab in combination with chemotherapy in treatment naïve (Gallium trial) and rituximab refractory follicular lymphoma (Gadolin trial) as well as in CLL in combination with chlorambucil. Based on these observations it is the aim of this study to test the toxicity and efficacy of the anti-CD20 antibody Obinutuzumab (OBINUTUZUMAB) in patients with newly diagnosed MZL in need of treatment, who are not eligible or failed local therapy, following the assumption that this novel anti-CD20 antibody is significantly more effective than Rituximab single agent therapy, and avoids chemotherapy - related toxicity.

Read the detailed description

For marginal zone lymphoma (MZL) Rituximab in combination with conventional chemotherapy are widely used for those patients who fail local therapy or do not qualify for such. Depending on the MZL subtype Rituximab/chemotherapy is able to induce in part long remissions, but do not prevent relapse later on. In addition, chemotherapy associated toxicity is often problematic in MZL patients, who are mostly of advanced age. Thus, chemotherapy - free approaches are highly attractive for this patient group. Rituximab single agent is a widely used chemotherapy - free approach in MZL, but was significantly inferior compared to Rituximab/chlorambucil in a large randomized prospective clinical trial in treatment naïve MZL with a CR rate of 56 % vs. 80%, respectively (P\<0.001).Thus, it is the major aim to develop chemotherapy - free approaches for MZL, which approach efficacy of rituximab/chemotherapy combinations, but avoid chemotherapy associated toxicities. This in particular important in MZL as many physicians are reluctant to treat these often elderly patients with more intense treatments and prefer single agent therapies in these very often well and long responding lymphoma subtype. The type II anti-CD20 antibody Obinutuzumab (OBINUTUZUMAB) has demonstrated remarkable activity in follicular lymphoma and superiority to Rituximab in combination with chemotherapy in treatment naïve (Gallium trial) and rituximab refractory follicular lymphoma (Gadolin trial) as well as in CLL in combination with chlorambucil. Based on these observations it is the aim of this study to test the toxicity and efficacy of the anti-CD20 antibody Obinutuzumab (OBINUTUZUMAB) in patients with newly diagnosed MZL in need of treatment, who are not eligible or failed local therapy, following the assumption that this novel anti-CD20 antibody is significantly more effective than Rituximab single agent therapy, and avoids chemotherapy - related toxicity. For efficacy the rate of complete remissions (according to the GELA criteria for gastric MALT or to the Cheson 2007 criteria for non-gastric extranodal, nodal and splenic MZL) after induction therapy will be primarily analysed. For toxicity treatment associated adverse events, quality of life and cumulative incidence of secondary malignancies will be documented.

The study is a multicenter, single-arm, open-label, phase II trial of 6 cycles of Obinutuzumab in the induction phase followed by a maintenance phase for a maximum of 12 infusions of Obinutuzumab every 8 weeks in patients aged ≥ 18 years with previously untreated MZL in need of treatment.

The study flow will be as follows:

  • Previously untreated patients will be screened for eligibility for the trial. If the patient is eligible for the study, the patient will be registered before the first cycle of induction treatment.
  • Patients who progress at any time point during induction are considered as treatment failure. They will be followed up for overall survival until death.
  • Patients, who achieve at least a SD after induction treatment will be eligible to receive maintenance therapy with Obinutuzumab.

It is expected that a total of 56 patients at approximately 20 investigator sites will be registered. Every patient will receive treatment over a time period of 6 x 4 weeks, followed by a maintenance phase of every 8 weeks for a maximum of 12 infusions until progression or study drug - related intolerable toxicity. Patient will be monitored every 3 months for 2 additional years, subsequently every 6 months for three additional years.

03

Conditions studied

  • Marginal Zone Lymphoma

Keywords

  • Obinutuzumab
  • Anti-CD20 antibody
  • Oncology
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

Patients must have a proven pathological diagnosis of MZL.

Patients must meet all of the following inclusion criteria to be eligible for participation in this study:

  • Confirmed CD20 positive de novo MALT Lymphoma following or being not eligible for local therapy (including surgery, radiotherapy) and antibiotics for H. pylori-positive gastric lymphoma arisen at any extranodal site
  • Confirmed CD20 positive de novo splenic MZL following or not being eligible for local therapy (including surgery and antiviral therapy for Virus) with symptomatic disease
  • Confirmed CD20 positive de novo nodal MZL
  • Patients in need of treatment:

For patients with symptomatic splenic, nodal, or non-gastric extranodal MZL disease that is de novo or has following local therapy (i.e., surgery or radiotherapy) and requires therapy, as assessed by the investigator.

For patients with symptomatic gastric extranodal MZL: Helicobacter pylori-negative disease that is de novo or has relapsed following local therapy (i.e., surgery or radiotherapy) and requires therapy, as assessed by the investigator, or H. pylori-positive disease that has remained stable, progressed, or relapsed following antibiotic therapy and requires therapy, as assessed by the investigator - At least one bi-dimensionally (> 2 cm in its largest dimension by CT scan or MRI).

In patients with splenic MZL, an enlarged spleen on CT scan or extending at least 2 cm below the costal margin by physical examination will constitute measurable disease providing that no explanation other than lymphomatous involvement is likely. For an enlarged liver to constitute the only measurable disease parameter, a liver showing proof of NHL in the liver is required.

For SMZL:

  • Bulky progressive or painful splenomegaly
  • one of the following symptomatic/progressive cytopenias : \< 10 g/dL, or Plat \< 80.000 /microL, or neutropenia \< 1000 /microL, whatever the reason ( or hypersplenism or bone marrow infiltration)
  • enlarged lymphoadenopathy or involvement of extranodal sites with or without cytopenia
  • splenectomised patients with rapidly raising lymphocyte counts, development of lymphadenopathy or involvement of extranodal sites
  • SMZL with concomitant hepatitis C infection who have not responded to or are relapsed after Interferon and/or Ribavirin (patients positive for HCV antibody are eligible only if PCR is negative for HCV RNA.

For gastric MALT Lymphoma:

- H. pylori-negative cases following or being not eligible for local therapy (i.e., surgery, radiotherapy or antibiotics).

Others:

  • Age greater than 18 years
  • >3 months.
  • Baseline Count 50, 109/L, if not due to BM Infiltration by the lymphoma, 0.75, 109/L
  • Meet the following pretreatment laboratory criteria at the Screening visit conducted within 28 days of study enrollment (unless due to underlying lymphoma):
  • ASAT (): 3 times the upper limit of institutional laboratory normal value
  • ALAT (SGPT): 3 times the upper limit of institutional laboratory normal value
  • Total : 20 mg/L or 2 times the upper limit of institutional laboratory normal value, unless clearly related to the disease (except if due to Gilbert's syndrome)
  • Serum creatininie \<= 2mg/dl
  • Pregnancy beta-HCG negative. For women of only; serum or urine beta-HCG must be negative during screening and at study enrolment visit
  • Negative antibody
  • Positive test results for chronic infection (defined as positive HBsAg serology): patients with occult or prior HBV infection (defined as negative HBsAg and positive total HBcAb) may be included if HBV DNA is undetectable, provided that they are willing to undergo monthly DNA testing. Patients who have protective titers of HBSAb after vaccination or prior but cured hepatitis B are eligible.
  • Positive test results for hepatitis C (hepatitis C virus (HCV) antibody serology testing): patients positive for HCV antibody are eligible only if PCR is negative for HCV RNA.
  • Premenopausal fertile females must agree to use a highly effective method of for the duration of the therapy up to 6 months after end of therapy. A highly effective method of birth control is defined as those which result in a low failure rate (i.e. less than 1% per year) when used consistently and correctly such as implants, injectables, combined oral contraceptives, some IUDs, sexual abstinence or vasectomised partner.
  • Men must agree not to father a child for the duration of therapy and 6 months after and must agree to advice a female partner to use a highly effective method of birth control.
  • Willingness and ability to comply with scheduled visits, drug administration plan, imaging studies, laboratory tests, other study procedures, and study restrictions.
  • Evidence of a personally signed indicating that the subject is aware of the neoplastic nature of the disease and has been informed of the procedures to be followed, the experimental nature of the therapy, alternatives, potential benefits, possible side effects, potential risks and discomforts, and other pertinent aspects of study participation.

The presence of any of the following will exclude a subject from enrolment:

  • performance status >2
  • History of a non-lymphoid except for the following: adequately treated local basal cell or squamous cell carcinoma of the skin, cervical carcinoma in situ, superficial bladder cancer, asymptomatic prostate cancer without known disease and with no requirement for therapy or requiring only hormonal therapy and with normal prostate specific antigen for ≥1 year prior to study enrollment visit, other Stage 1 or 2 cancer treated with a curative intent and currently in complete remission, for ≥3 years.
  • Central nervous system lymphoma, lymphoma, or histologic evidence of transformation to a high-grade or diffuse large B-cell lymphoma.
  • Ann Arbor Stage I disease
  • Ongoing therapy other than
  • Evidence of ongoing systemic bacterial, fungal, or viral infection at the time of study enrollment visit
  • Ongoing drug-induced liver injury, chronic active hepatitis B (HBV), alcoholic liver disease, non-alcoholic steatohepatitis, primary biliary cirrhosis, extrahepatic obstruction caused by cholelithiasis, cirrhosis of the liver, or portal hypertension.
  • Ongoing alcohol or drug addiction
  • Treatment with any other agent or participating in another trial within 30 days prior to entering this study
  • Breastfeeding or pregnancy
  • Prior or ongoing illness, medical condition, surgical history, physical finding, (ECG) finding, or laboratory abnormality that, in the investigator's opinion, could adversely affect the safety of the subject or impair the assessment of study results.
  • History of anaphylaxis in association with previous administration of monoclonal antibodies.
  • Vaccination with a within 28 days prior to start of therapy

Exclusion criteria

Exclusion Criteria:

The presence of any of the following will exclude a subject from enrolment:

  • performance status >2
  • History of a non-lymphoid except for the following: adequately treated local basal cell or squamous cell carcinoma of the skin, cervical carcinoma in situ, superficial bladder cancer, asymptomatic prostate cancer without known disease and with no requirement for therapy or requiring only hormonal therapy and with normal prostate specific antigen for ≥1 year prior to study enrollment visit, other Stage 1 or 2 cancer treated with a curative intent and currently in complete remission, for ≥3 years.
  • Central nervous system lymphoma, lymphoma, or histologic evidence of transformation to a high-grade or diffuse large B-cell lymphoma.
  • Ann Arbor Stage I disease
  • Ongoing therapy other than
  • Evidence of ongoing systemic bacterial, fungal, or viral infection at the time of study enrollment visit
  • Ongoing drug-induced liver injury, chronic active (HBV), alcoholic liver disease, non-alcoholic steatohepatitis, primary biliary cirrhosis, extrahepatic obstruction caused by cholelithiasis, cirrhosis of the liver, or portal hypertension.
  • Ongoing alcohol or drug addiction
  • Treatment with any other agent or participating in another trial within 30 days prior to entering this study
  • Breastfeeding or pregnancy
  • Prior or ongoing illness, medical condition, surgical history, physical finding, (ECG) finding, or laboratory abnormality that, in the investigator's opinion, could adversely affect the safety of the subject or impair the assessment of study results.
  • History of anaphylaxis in association with previous administration of monoclonal antibodies.
  • Vaccination with a within 28 days prior to start of therapy
Terms in these criteria, in plain language(26)

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.

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.

Relapsed and refractory

Relapsed: the illness came back after treatment had worked. Refractory: it did not respond to treatment, or stopped responding while still on it.

Measurable disease

The amount of disease can be tracked with a defined measurement, so the study can see whether it shrinks or grows. It might be a tumour measured on a scan or, in some blood cancers such as myeloma, a marker measured in blood or urine.

The criteria or the study team say which measurement counts — having no tumour visible on a scan does not by itself rule you out.

Biopsy and archival tissue

A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.

Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.

Hemoglobin (Hb)

The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).

Autoimmune disease

A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.

Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.

Life expectancy

The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

Absolute neutrophil count (ANC)

The number of neutrophils, white blood cells that help fight infection, in a given amount of blood. Too few raises the risk of infection.

It is a count, not a percentage of the white cells. Limits are written in units that mean the same: ≥ 1.5 × 10⁹/L is ≥ 1,500 per mm³ (µL). Each lab has its own reference range.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

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.

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.

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.

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.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

ECOG performance status

A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.

0
Fully active, no restrictions.
1
Limited in strenuous activity, but walking and able to do light work, such as housework or office work.
2
Walking and able to look after yourself, but unable to work; up and about more than half of waking hours.
3
Able to look after yourself only in part; in bed or a chair more than half of waking hours.
4
Unable to look after yourself at all; in bed or a chair all day.

Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

Metastases

Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.

Leptomeningeal disease

Cancer that has spread to the leptomeninges, the thin layers covering the brain and spinal cord, and the fluid between them. It is not the same as brain metastases.

Criteria often treat it separately, and many studies leave it out even where treated brain metastases are allowed.

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.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

Clinically significant

Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.

ECG (electrocardiogram)

A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.

Live vaccines

Vaccines made with a weakened form of the germ, such as measles–mumps–rubella (MMR), chickenpox and yellow fever. They can be risky when the immune system is weakened. Flu injections are not live; the nasal flu spray is.

05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
56 participants (estimated)

Study arms

  • Experimental
    One Arm

    Obinutuzumab i.v.

    Drug: Obinutuzumab

Interventions

  • Induction: Cycle 1 (28 days cycle): Obinutuzumab (OBINUTUZUMAB) 1000mg i.v. fixed dose day 1,8,15\* \*In the case of suspected increased risk of severe IRR, the dose of obinutuzumab may be 100 mg intravenously on day 1 in cycle 1, 900 mg on day 2. Cycle 2-6 (28 days cycle): Obinutuzumab (OBINUTUZUMAB) 1000mg i.v. fixed dose day 1 Maintenance Start 8 weeks after the last induction cycle for patients at least achieving a partial response after induction: Obinutuzumab (OBINUTUZUMAB) 1000mg i.v. fixed dose day 1 every 8 weeks for a maximum of 12 infusions unless progression or study drug - related intolerable toxicity

    Also known as: GA101

06

What researchers measure

Primary outcomes

  1. Complete Remission/Response (CR) rate

    The complete Response rate (CR) is evaluated after the end of induction

    Time frame: 24 weeks

Secondary outcomes

  1. Progression free survival

    Progression free survival (PFS) is defined as the time from registration to the first occurrence of progression or relapse as assessed by the investigator, or death from any cause. PFS for patients without disease progression, relapse, or death will be censored at the time of the last tumor assessment.

    Time frame: 24 weeks

  2. Overall survival

    Overall survival is defined as the period from the induction registration to death from any cause. Patients who have not died until the time of the analysis will be censored at their last contact date.

    Time frame: participants will be followed for their participation in the trial, an expected average of 8.6 years

  3. Time to first response

    Time to first response is defined as the time from the start of induction to first response (CR, PR).

    Time frame: participation will be followed for their participation in the trial, an expected average of 8.6 years

  4. Time to best response under treatment (induction and maintenance)Time

    Time to best response is defined as the time from the start of induction to best response the patient achieves (CR, PR).

    Time frame: participation will be followed for their participation in the trial, an expected average of 8.6 years

  5. Response rate

    The response rates (CR, PR) and overall response rate (CR, PR) are evaluated 4 weeks after the end of induction treatment.

    Time frame: 24 weeks

  6. Best response

    Best response is determined in the time interval from the start of induction therapy to end of follow-up.

    Time frame: participation will be followed for their participation in the trial, an expected average of 8.6 years

  7. Time to Treatment failure

    Time to treatment failure (TTF) is defined as the time of registration to discontinuation of therapy for any reason including death from any cause, progression, toxicity or add-on of new anti-cancer therapy. Patients alive without treatment failure are censored at the latest tumor assessment date.

    Time frame: participation will be followed for their participation in the trial, an expected average of 8.6 years

  8. Remission duration

    Remission duration will be calculated in patients with response (CR, PR) to induction from end of induction to the date of progression, relapse or death from any cause. Patients alive without progression and relapse will be censored at the latest tumor assessment date or the stopping date.

    Time frame: participation will be followed for their participation in the trial, an expected average of 8.6 years

  9. Cause specific survival

    Cause specific survival is defined as the period from the induction registration to death from lymphoma or lymphoma related cause; death unrelated to MZoL is considered as a competing event.

    Time frame: participation will be followed for their participation in the trial, an expected average of 8.6 years

07

Study locations

12 sites
08

References and documents

Publications

  • Grunenberg A, Kaiser LM, Woelfle S, Schmelzle B, Viardot A, Moller P, Barth TF, Muche R, Dreyhaupt J, Buske C. Phase II trial evaluating the efficacy and safety of the anti-CD20 monoclonal antibody obinutuzumab in patients with marginal zone lymphoma. Future Oncol. 2020 May;16(13):817-825. doi: 10.2217/fon-2020-0071. Epub 2020 Mar 30. PubMed 32223334 ↗
09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Started Nov 2018 (actual). Primary completion is estimated for Jan 2027, 98 months after the start.

Of 97 non-industry phase 2 interventional studies under Lymphoma, B-Cell, Marginal Zone, half reached primary completion within 73 months of starting (the median), counting those still running; a quarter within 42 and three quarters within 117. This study's planned 98 months is above that.

Counting every sponsor, half of 113 studies reached it within 69 months; a quarter within 38 and three quarters within 110.

How these figures are worked out, and which studies are left out of them.

Registered
Oct 11, 2017
First posted
Oct 26, 2017
StartActual
Nov 23, 2018
Primary completionEst.
Jan 2027
CompletionEst.
Jan 2027
Last update
May 6, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on May 6, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03322865
Lead sponsor
Christian Buske
Collaborators
University of Ulm, Optimapharm, Zentrum für Klinische Studien Ulm, X-act Cologne Clinical Research GmbH, Roche Pharma AG
Responsible party
Christian Buske (Prof. Dr. med., University of Ulm) — Sponsor-investigator
First posted
Oct 26, 2017
Start date
Nov 23, 2018
Primary completion
Jan 2027 (estimated)
Completion
Jan 2027 (estimated)
Last update
May 6, 2026

Study contacts

Christian Buske, MD
principal investigator · University Hospital of Ulm

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

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Discussion

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Studies of the drug tested here: Obinutuzumab

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