Primary Central Nervous System LymphomaPhase 3PRIMA-CNSNCT06830421
Adjusted High-dose Chemotherapy With Autologous Stem Cell Transplant vs. Conventional Immunochemotherapy in Elderly PCNSL Patients
A Phase 3 study testing R-MP and Procarbazine maintenance and R-MTX/AraC (MARTA) induction followed by consolidating HCT-ASCT in people with Primary Central Nervous System Lymphoma, run by University Hospital Freiburg at 35 sites in Germany.
Trial summary
Most patients being diagnosed with primary diffuse large B-cell lymphoma of the central nervous system (PCNSL) are 60 years or older. Elderly patients with PCNSL have a poor prognosis and there is a great medical need to improve outcome for this vulnerable population. Read more about this study
- Who is it for?
- Ages 65 years and older
- Conditions the study is for
- Primary Central Nervous System Lymphoma
- What is being tested?
- R-MP and Procarbazine maintenance and R-MTX/AraC (MARTA) induction followed by consolidating HCT-ASCT
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 340 participants
- Where
- 35 sitesGermany
- Study dates
- 9 Aug 2023to 31 Aug 2031
- Phase
- Phase 3
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 65 years and older
- All sexes
- No healthy volunteers
- Older adult
Who may be able to join
- Immunocompetent patients with newly-diagnosed primary DLBCL of the central nervous system.
- Age > 70 years or age 65-70 years if not eligible for more intensive treatment (e.g. OptiMATe trial).
- Histologically or cytologically assessed diagnosis of B-cell lymphoma by local pathologist.
- Diagnostic sample obtained by stereotactic or surgical biopsy, cerebrospinal fluid (CSF) cytology examination or vitrectomy.
- Disease exclusively located in the CNS.
- At least 1 measurable lesion.
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- Eastern Cooperative Oncology Group (ECOG)-Performance Status (PS) ≤ 2. ECOG PS > 2 accepted if due to PCNSL symptoms.
- Patients possibly eligible for HCT-ASCT as judged by the treating physician.
- Written informed consent obtained according to international guidelines and local laws by patient or authorized legal representative in case patient is temporarily legally not competent due to his or her disease.
- Additional randomization criteria:
- Patients eligible for HCT-ASCT defined by the EBL score (at most one of the 3 following conditions may apply: ECOG PS > 1, Barthel Index of activities of daily living (ADL) < 20 and Lachs geriatric screening > 3), improvement of PS after pre-phase treatment or clinical judgement by the treating physician after discussion with the study expert team.
- No evidence of disease progression after pre-phase treatment.
Who cannot join
- Congenital or acquired immunodeficiency including HIV infection and previous organ transplantation.
- Systemic lymphoma manifestation (outside the CNS).
- Primary vitreoretinal lymphoma or primary leptomeningeal lymphoma without manifestation in the brain parenchyma or spinal cord.
- Previous or concurrent malignancies with the exception of surgically cured carcinoma in situ or other kinds of cancer without evidence of disease for at least 5 years.
- Previous systemic Non-Hodgkin lymphoma at any time.
- Inadequate renal function (creatinine clearance <60 ml/min).
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- Inadequate bone marrow, cardiac, pulmonary or hepatic function according to investigator´s decision.
- Active hepatitis B or C disease.
- Concurrent treatment with other experimental drugs or participation in an interventional clinical trial with administration of study medication within the last thirty days before the start of this study.
- Third space fluid accumulation >500 ml.
- Hypersensitivity to study treatment or any component of the formulation.
- Taking any medications likely to cause interactions with the study medication.
- Known or persistent abuse of medication, drugs or alcohol.
- Active COVID-19-infection or non-compliance with the prevailing hygiene measures regarding the COVID-19 pandemic.
- Patients without legal capacity and who are unable to understand the nature, significance and consequences of the study and without designated legal representative.
- Previous participation in this trial.
- Persons who are in a relationship of dependency/employment to the sponsor and/ or investigator.
- Any familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule.
- Fertile patients refusing to use safe contraceptive methods during the study.
Trial locations and contacts
35 sites in 1 country. Contact the study team or a site near you to ask about taking part.
35 sites in 1 country
Germany35 sites, 35 recruiting
- Recruiting
University Hospital Aachen
Aachen
Jens Panse, MD, jpanse@ukaachen.de
- Recruiting
University Hospital Augsburg
Augsburg
Mathias Lutz, MD, mathias.lutz@uk-augsburg.de
- Not yet recruiting
Helios Klinikum Berlin-Buch
Berlin
Christian Eimermacher, MD, Christian.eimermacher@helios-gesundheit.de
- Recruiting
University Hospital Berlin
Berlin
Ulrich Keller, MD, ulrich.keller@charite.de
- Not yet recruiting
Evangelisches Klinikum Bethel
Bielefeld
Bettina Zinngrebe, MD, bettina.zinngrebe@evkb.de
- Recruiting
Universitätsklinikum Knappschaftskrankenhaus Bochum GmbH
Bochum
Sabine Seidel, MD, Sabine.Seidel@kk-bochum.de
- Recruiting
Städtisches Klinikum Braunschweig gGmbH
Braunschweig
Carsten Springer, MD, c.springer@klinikum-braunschweig.de
- Recruiting
Klinikum Bremen-Mitte gGmbH
Bremen
Bernd Hertenstein, MD, bernd.hertenstein@klinikum-bremen-mitte.de
- Not yet recruiting
Klinikum Chemnitz gGmbH
Chemnitz
Mathias Hänel, MD, m.haenel@skc.de
- Not yet recruiting
Universitätsklinikum Köln
Cologne
Heger Jan-Michel, MD, jan-michel.heger@uk-koeln.de
- Recruiting
Carl Gustav Carus Universitätsklinikum Dresden
Dresden
Frank Kroschinsky, MD, frank.kroschinsky@uniklinikum-dresden.de
- Not yet recruiting
Universitätsklinikum Düsseldorf
Düsseldorf
Guido Kobbe, MD, kobbe@med.uni-duesseldorf.de
- Recruiting
Universitätsklinikum Erlangen
Erlangen
Stefan Krause, MD, stefan.krause@uk-erlangen.de
- Not yet recruiting
Universitätsklinikum Essen
Essen
Bastian von Tresckow, MD, bastian.vontresckow@uk-essen.de
- Recruiting
Klinikum der Johann-Wolfgang-Goethe-Universität
Frankfurt
Thomas Oellerich, MD, thomas.oellerich@kgu.de
- Recruiting
University Hospital Freiburg, Department Medicine I, Hematology, oncology and stem cell transplantation
Freiburg im Breisgau, Baden-Wurttemberg, 79106
Elisabeth Schorb, MD, +4976127035360, elisabeth.schorb@uniklinik-freiburg.de
Lisa K Isbell, MD, lisa.isbell@uniklinik-freiburg.de
- Not yet recruiting
Universitätsmedizin Göttingen Georg-August-Universität
Göttingen
Justin Hasenkamp, MD, j.hasenkamp@med.uni-goettingen.de
- Not yet recruiting
Universitätsklinikum Halle (Saale)
Halle
Thomas Weber, MD, thomas.weber@uk-halle.de
- Recruiting
Universitätsklinikum des Saarlandes Homburg
Homburg
Lorenz Thurner, MD, lorenz.thurner@uks.eu
- Recruiting
Städtisches Klinikum Karlsruhe
Karlsruhe
Martin Bentz, MD, martin.bentz@klinikum-karlsruhe.de
- Recruiting
Universitätsklinkum Schleswig-Holstein, Campus Kiel
Kiel
Christine Pott, MD, c.pott@med2.uni-kiel.de
- Recruiting
Gemeinschaftsklinikum Mittelrhein gGmbH - Koblenz Ev. Stift St. Martin
Koblenz
Niemann Dirk, MD, Dirk.Niemann@gk.de
- Not yet recruiting
Universitätsklinikum Leipzig
Leipzig
Simone Heyn, MD, Simone.Heyn@medizin.uni-leipzig.de
- Recruiting
Universitätsklinikum Schleswig-Holstein, Campus Lübeck
Lübeck
Nicolas von Bubnoff, MD, nikolas.vonBubnoff@uksh.de
- Not yet recruiting
Klinikum rechts der Isar TU München
München
Lena Illert, MD, lena.illert@tum.de
- Recruiting
Universitätsklinikum Münster
Münster
Andrea Kerkhoff, MD, andrea.kerkhoff@ukmuenster.de
- Not yet recruiting
Universitätsklinik der Paracelsus Medizinischen Privatuniversität
Nuremberg
Alexander Bott, MD, alexander.bott@klinikum-nuernberg.de
- Recruiting
Pius-Hospital Oldenburg
Oldenburg
Johannes Hoffmann, MD, johannes.hoffmann@pius-hospital.de
- Not yet recruiting
Klinikum Oldenburg gGmbh
Oldenburg in Holstein
Christoph Kimmich, MD, kimmich.christoph@klinikum-oldenburg.de
- Recruiting
Universitätsklinikum Regensburg
Regensburg
Florian Lüle, MD, Florian.Lueke@klinik.uni-regensburg.de
- Not yet recruiting
Universitätsmedizin Rostock
Rostock
Christoph Wittke, MD, christoph.wittke@med.uni-rostock.de
- Recruiting
Klinikum Stuttgart, Clinic of Hematology, Oncology and Palliative Care, Stuttgart Cancer Center / Tumor Center Eva Mayr-Stihl
Stuttgart, Baden-Wurttemberg, 70174
Gerald Illerhaus, PhD, +49 711 278 ext. 30400, G.Illerhaus@klinikum-stuttgart.de
Julia Wendler, MD, j.wendler@klinikum-stuttgart.de
- Not yet recruiting
Universtitätsklinikum Tübingen
Tübingen
Robert Möhle, MD, robert.moehle@med.uni-tuebingen.de
- Recruiting
Universitätsklinikum Ulm
Ulm
Andreas Viardot, MD, andreas.viardot@uniklinik-ulm.de
- Recruiting
Schwarzwald-Baar-Klinikum Villingen-Schwenningen
Villingen-Schwenningen
Paul La Rosée, MD, paul.laRosee@sbk-vs.de
About this study
Official title: Age-adjusted High-dose Chemotherapy Followed by Autologous Stem Cell Transplantation or Conventional Chemotherapy With R-MP as First-line Treatment in Elderly Primary CNS Lymphoma Patients - a Randomized Phase III Trial
Most patients being diagnosed with primary diffuse large B-cell lymphoma of the central nervous system (PCNSL) are 60 years or older. Elderly patients with PCNSL have a poor prognosis and there is a great medical need to improve outcome for this vulnerable population. In Germany and many international centres, there are currently two widely used strategies to treat elderly PCNSL patients who are eligible for high-dose methotrexate (HD-MTX) treatment, which have not yet been compared head-to-head. The R-MP regimen has been established by the Cooperative PCNSL Study Group as a "conventional" immunochemotherapy standard treatment for elderly patients with newly diagnosed disease and consists of Rituximab, HD-MTX and Procarbazine followed by maintenance therapy with Procarbazine. In contrast, another recently established protocol also includes HD-MTX-based induction therapy, but followed by consolidating high-dose chemotherapy and autologous stem cell transplantation (HCT-ASCT). This is an overall more intensive, but substantially shorter treatment approach, feasible for elderly patients being considered eligible for a more intensive treatment. The PRIMA-CNS trial aims to compare these two treatment approaches with respect to survival, response rates and toxicity.
Read the detailed description
Primary diffuse large B-cell lymphoma of the central nervous system (PCNSL) is a rare lymphoma affecting only the central nervous system compartment. PCNSL patients are typically 60 years or older and have poor prognoses. However, there are alternative treatment approaches to consider with the potential to improve medical outcomes for this patient population. The current standard of care in Germany and many international centres for patients 65 and older is treatment with R-MP, comprising rituximab, high-dose methotrexate (HD-MTX) and procarbazine followed by maintenance therapy with procarbazine. An alternative approach comprised of a shorter induction treatment with rituximab, HD-MTX and cytarabine (MARTA) followed by age-adjusted high-dose chemotherapy and autologous stem cell transplantation (HCT-ASCT) was recently shown to be feasible and effective in elderly PCNSL patients considered eligible for high-dose chemotherapy requiring autologous stem cell transplantation. Nevertheless, data evaluating this short duration treatment approach remains scarce, and randomized trials have not yet been published. The objective of the PRIMA-CNS trial is to demonstrate that intensified chemotherapy followed by consolidating HCT-ASCT is superior to conventional chemotherapy with R-MP followed by maintenance with procarbazine in elderly patients with newly diagnosed PCNSL; not only regarding survival and remission after treatment but also regarding standards like quality of life (QOL) and treatment related morbidities. Results of this randomized trial will either change the standard of care to an intense and shorter treatment approach or re-define R-MP as a proven treatment standard. In addition, a geriatric assessement is implemented in this trial with the goal to better define transplant eligibility. If this trial shows the superiority of HCT-ASCT, the investigators will establish an improved treatment standard with increased chances for long-term remission and cure and reduced frequency and length of chemotherapy treatment. Considering the poor prognosis of this patient population, this randomized phase III trial is of great clinical importance to provide patients, the patients' families and care takers with optimal treatment.
- Conditions
- Primary Central Nervous System Lymphoma
- Being tested
- R-MP and Procarbazine maintenance, R-MTX/AraC (MARTA) induction followed by consolidating HCT-ASCT
- Keywords
- Primary central nervous system lymphoma, HD-chemotherapy followed by autologous stem cell transplantation, Age-adjusted HCT-ASCT, First-line treatment in elderly PCNSL patients, HD-MTX induction
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
R-MP and Procarbazine maintenanceDrug
Firstline systemic treatment with conventinal immunochemotherapy (3 cycles of Rituximab-MTX-Procarbazine) followed by Procarbazine maintenance
R-MTX/AraC (MARTA) induction followed by consolidating HCT-ASCTDrug
Firstline systemic treatment with age-adjusted MTX based induction (2 cycles of Rituximab-Methotrexate-Cytarabin) followed by consolidating aged-adapted high-dose chemotherapy and autologous stem cell transplantation
| Study group | Role | What they receive |
|---|---|---|
| Arm A | Active comparator | Patients will receive 3 cycles (28 days cycle) of R-MP (Rituximab 375 mg/m² i.v. d0,14; MTX 3.5 g/m² i.v. d1,15; Procarbazine 60 mg/m²/d p.o. d2-11) followed by maintenance therapy with Procarbazine 100 mg absolute/d p.o. d1-5 for additional 6 cycles (28 days cycle). Receives: Drug: R-MP and Procarbazine maintenance |
| Arm B | Experimental | Patients will receive 2 cycles (21 days cycle) of R-MTX/AraC (Rituximab 375 mg/m² i.v. d0,4; MTX 3.5 g/m² i.v. d1; AraC 2x2 g/m² i.v. d2+d3) followed by consolidating HCT-ASCT with Rituximab 375 mg/m² d-8, Busulfan 3.2 mg/kg/d i.v. d-7 and d-6 and Thiotepa 5 mg/kg/d i.v. d-5 and d-4. Receives: Drug: R-MTX/AraC (MARTA) induction followed by consolidating HCT-ASCT |
What is being measured
The primary outcome is the main question the study is designed to answer.
Progression free survival (PFS) between the 2 arms
PFS is defined as the time from randomization to disease progression or death of any cause, with censoring at the last date the patient was seen alive and free of disease progression
Measured: up to 6 years
Secondary outcomes (7)
Overall survival (OS) between the 2 arms
OS is defined as time from randomization until death from any cause, with censoring at the last date the patient was seen alive
Measured: up to 6 years
Event free survival (EFS) between the 2 arms
EFS, defined as time from randomization to premature end of treatment (EOT) due to any reason, lymphoma progression or death, whichever occurs first, with censoring at the last date the patient was seen event-free
Measured: up to 6 years
Remission status after 2 cycles of rituximab-methotrexate-procarbazine (R-MP) (arm A)/2 cycles of R-MTX/cytarabine (AraC)
Remission status after 2 cycles of RMP (arm A) / 2 cycles of R-MTX/AraC will be determined at response assessment (RA) I in both arms and will be divided in complete remission (CR), unconfirmed complete remission (CRu), partial remission (PR), stable disease (SD), progressive disease(PD) according to international PCNSL collaborative group (IPCG) criteria
Measured: at RA I: after 8 weeks (Arm A), after 6 weeks (Arm B)
Remission status after 3 cycles of R-MP (arm A)/consolidating HCT-ASCT (arm B)
determined at response assessment (RA) II and will be divided in CR, CRu, PR, SD, PD according to IPCG criteria
Measured: at RA II: after 12 weeks
Remission status after completion of maintenance treatment (arm A)/6 months follow-up (arm B)
will be determined 6 months after RA II and will be divided in CR, CRu, PR, SD, PD according to IPCG criteria
Measured: 6 months after RA II
Quality of life (EORTC QLQ-C30)
EORTC quality of life questionnaire (QLQ)-C30 performed at screening, at RA II /premature EOT and thereafter every 12 months during follow-up
Measured: from date of informed consent form (ICF) signature up to 6 years
Quality of Life (EORTC-QLQ BN 20)
EORTC-QLQ brain neoplasm (BN) 20, performed at screening, at RA II /premature EOT and thereafter every 12 months during follow-up
Measured: from date of informed consent form (ICF) signature up to 6 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted17 Feb 2025
- Study start9 Aug 2023
- Primary completion31 Aug 2029 (estimated)
- Study completion31 Aug 2031 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (15)Papers the sponsor has linked to this study.
- Other trials for Primary Central Nervous System LymphomaStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- This is a randomized, controlled, open-label, multicenter phase III trial with 2 parallel arms investigating a more intensive, shorter treatment with 2 cycles of MARTA (rituximab, HD-MTX, AraC) followed by HCT with rituximab, busulfan and thiotepa followed by ASCT compared to standard therapy comprising 3 cycles of R-MP followed by procarbazine maintenance for 6 months.
- Masking
- None (open label)
- Enrolment
- 340 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University Hospital Freiburg
- Sponsor type
- University, hospital or other
- Collaborators
- German Federal Ministry of Education and Research, University Hospital Tuebingen, Heinrich-Heine University, Duesseldorf, Klinikum Stuttgart, University of Kaiserslautern, University Hospital Munich, University Hospital Regensburg
- Responsible party
- Principal investigator, Elisabeth Schorb, University Hospital Freiburg
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06830421
- Sponsor's protocol ID
- P003077
- Other IDs
- 2020-001181-10, DRKS00024085
- Acronym
- PRIMA-CNS
- Status last verified
- Oct 2024
- First submitted
- 5 Jun 2023
- Last updated
- 17 Feb 2025
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: Publication of study protocol and publication of study results
Publications
Schorb E, Isbell LK, Kerkhoff A, Mathas S, Braulke F, Egerer G, Roth A, Schliffke S, Borchmann P, Brunnberg U, Kroschinsky F, Mohle R, Rank A, Wellnitz D, Kasenda B, Pospiech L, Wendler J, Scherer F, Deckert M, Henkes E, von Gottberg P, Gmehlin D, Backenstrass M, Jensch A, Burger-Martin E, Grishina O, Fricker H, Malenica N, Orban A, Duyster J, Ihorst G, Finke J, Illerhaus G. High-dose chemotherapy and autologous haematopoietic stem-cell transplantation in older, fit patients with primary diffuse large B-cell CNS lymphoma (MARTA): a single-arm, phase 2 trial. Lancet Haematol. 2024 Mar;11(3):e196-e205. doi: 10.1016/S2352-3026(23)00371-X. Epub 2024 Jan 29.
PubMed 38301670Mendez JS, Ostrom QT, Gittleman H, Kruchko C, DeAngelis LM, Barnholtz-Sloan JS, Grommes C. The elderly left behind-changes in survival trends of primary central nervous system lymphoma over the past 4 decades. Neuro Oncol. 2018 Apr 9;20(5):687-694. doi: 10.1093/neuonc/nox187.
PubMed 29036697Houillier C, Soussain C, Ghesquieres H, Soubeyran P, Chinot O, Taillandier L, Lamy T, Choquet S, Ahle G, Damaj G, Agape P, Molucon-Chabrot C, Amiel A, Delwail V, Fabbro M, Jardin F, Chauchet A, Moles-Moreau MP, Morschhauser F, Casasnovas O, Gressin R, Fornecker LM, Abraham J, Marolleau JP, Tempescul A, Campello C, Colin P, Tamburini J, Laribi K, Serrier C, Haioun C, Chebrek S, Schmitt A, Blonski M, Houot R, Boyle E, Bay JO, Oberic L, Tabouret E, Waultier A, Martin-Duverneuil N, Touitou V, Cassoux N, Kas A, Mokhtari K, Charlotte F, Alentorn A, Feuvret L, Le Garff-Tavernier M, Costopoulos M, Mathon B, Peyre M, Delgadillo D, Douzane H, Genet D, Aidaoui B, Hoang-Xuan K, Gyan E. Management and outcome of primary CNS lymphoma in the modern era: An LOC network study. Neurology. 2020 Mar 10;94(10):e1027-e1039. doi: 10.1212/WNL.0000000000008900. Epub 2020 Jan 6.
PubMed 31907289Schorb E, Fox CP, Kasenda B, Linton K, Martinez-Calle N, Calimeri T, Ninkovic S, Eyre TA, Cummin T, Smith J, Yallop D, De Marco B, Krampera M, Trefz S, Orsucci L, Fabbri A, Illerhaus G, Cwynarski K, Ferreri AJM. Induction therapy with the MATRix regimen in patients with newly diagnosed primary diffuse large B-cell lymphoma of the central nervous system - an international study of feasibility and efficacy in routine clinical practice. Br J Haematol. 2020 Jun;189(5):879-887. doi: 10.1111/bjh.16451. Epub 2020 Jan 29.
PubMed 31997308Olivier G, Clavert A, Lacotte-Thierry L, Gardembas M, Escoffre-Barbe M, Brion A, Cumin I, Legouffe E, Solal-Celigny P, Chabin M, Ingrand P, Colombat P, Delwail V. A phase 1 dose escalation study of idarubicin combined with methotrexate, vindesine, and prednisolone for untreated elderly patients with primary central nervous system lymphoma. The GOELAMS LCP 99 trial. Am J Hematol. 2014 Nov;89(11):1024-9. doi: 10.1002/ajh.23812. Epub 2014 Aug 27.
PubMed 25052698Ferreri AJ, Cwynarski K, Pulczynski E, Ponzoni M, Deckert M, Politi LS, Torri V, Fox CP, Rosee PL, Schorb E, Ambrosetti A, Roth A, Hemmaway C, Ferrari A, Linton KM, Ruda R, Binder M, Pukrop T, Balzarotti M, Fabbri A, Johnson P, Gorlov JS, Hess G, Panse J, Pisani F, Tucci A, Stilgenbauer S, Hertenstein B, Keller U, Krause SW, Levis A, Schmoll HJ, Cavalli F, Finke J, Reni M, Zucca E, Illerhaus G; International Extranodal Lymphoma Study Group (IELSG). Chemoimmunotherapy with methotrexate, cytarabine, thiotepa, and rituximab (MATRix regimen) in patients with primary CNS lymphoma: results of the first randomisation of the International Extranodal Lymphoma Study Group-32 (IELSG32) phase 2 trial. Lancet Haematol. 2016 May;3(5):e217-27. doi: 10.1016/S2352-3026(16)00036-3. Epub 2016 Apr 6.
PubMed 27132696Ferreri AJM, Cwynarski K, Pulczynski E, Fox CP, Schorb E, La Rosee P, Binder M, Fabbri A, Torri V, Minacapelli E, Falautano M, Ilariucci F, Ambrosetti A, Roth A, Hemmaway C, Johnson P, Linton KM, Pukrop T, Sonderskov Gorlov J, Balzarotti M, Hess G, Keller U, Stilgenbauer S, Panse J, Tucci A, Orsucci L, Pisani F, Levis A, Krause SW, Schmoll HJ, Hertenstein B, Rummel M, Smith J, Pfreundschuh M, Cabras G, Angrilli F, Ponzoni M, Deckert M, Politi LS, Finke J, Reni M, Cavalli F, Zucca E, Illerhaus G; International Extranodal Lymphoma Study Group (IELSG). Whole-brain radiotherapy or autologous stem-cell transplantation as consolidation strategies after high-dose methotrexate-based chemoimmunotherapy in patients with primary CNS lymphoma: results of the second randomisation of the International Extranodal Lymphoma Study Group-32 phase 2 trial. Lancet Haematol. 2017 Nov;4(11):e510-e523. doi: 10.1016/S2352-3026(17)30174-6. Epub 2017 Oct 17.
PubMed 29054815Fritsch K, Kasenda B, Schorb E, Hau P, Bloehdorn J, Mohle R, Low S, Binder M, Atta J, Keller U, Wolf HH, Krause SW, Hess G, Naumann R, Sasse S, Hirt C, Lamprecht M, Martens U, Morgner A, Panse J, Frickhofen N, Roth A, Hader C, Deckert M, Fricker H, Ihorst G, Finke J, Illerhaus G. High-dose methotrexate-based immuno-chemotherapy for elderly primary CNS lymphoma patients (PRIMAIN study). Leukemia. 2017 Apr;31(4):846-852. doi: 10.1038/leu.2016.334. Epub 2016 Nov 15.
PubMed 27843136Schorb E, Kasenda B, Ihorst G, Scherer F, Wendler J, Isbell L, Fricker H, Finke J, Illerhaus G. High-dose chemotherapy and autologous stem cell transplant in elderly patients with primary CNS lymphoma: a pilot study. Blood Adv. 2020 Jul 28;4(14):3378-3381. doi: 10.1182/bloodadvances.2020002064.
PubMed 32722778Schorb E, Finke J, Ihorst G, Kasenda B, Fricker H, Illerhaus G. Age-adjusted high-dose chemotherapy and autologous stem cell transplant in elderly and fit primary CNS lymphoma patients. BMC Cancer. 2019 Mar 29;19(1):287. doi: 10.1186/s12885-019-5473-z.
PubMed 30925912Omuro A, Chinot O, Taillandier L, Ghesquieres H, Soussain C, Delwail V, Lamy T, Gressin R, Choquet S, Soubeyran P, Huchet A, Benouaich-Amiel A, Lebouvier-Sadot S, Gyan E, Touitou V, Barrie M, del Rio MS, Gonzalez-Aguilar A, Houillier C, Delgadillo D, Lacomblez L, Tanguy ML, Hoang-Xuan K. Methotrexate and temozolomide versus methotrexate, procarbazine, vincristine, and cytarabine for primary CNS lymphoma in an elderly population: an intergroup ANOCEF-GOELAMS randomised phase 2 trial. Lancet Haematol. 2015 Jun;2(6):e251-9. doi: 10.1016/S2352-3026(15)00074-5. Epub 2015 Jun 3.
PubMed 26688235Wendler J, Fox CP, Valk E, Steinheber C, Fricker H, Isbell LK, Neumaier S, Okosun J, Scherer F, Ihorst G, Cwynarski K, Schorb E, Illerhaus G. Optimizing MATRix as remission induction in PCNSL: de-escalated induction treatment in newly diagnosed primary CNS lymphoma. BMC Cancer. 2022 Sep 10;22(1):971. doi: 10.1186/s12885-022-09723-w.
PubMed 36088292Farhi J, Laribi K, Orvain C, Hamel JF, Mercier M, Sutra Del Galy A, Clavert A, Rousselet MC, Tanguy-Schmidt A, Hunault-Berger M, Moles-Moreau MP. Impact of front line relative dose intensity for methotrexate and comorbidities in immunocompetent elderly patients with primary central nervous system lymphoma. Ann Hematol. 2018 Dec;97(12):2391-2401. doi: 10.1007/s00277-018-3468-5. Epub 2018 Aug 8.
PubMed 30091022Martinez-Calle N, Isbell LK, Cwynarski K, Schorb E. Advances in treatment of elderly primary central nervous system lymphoma. Br J Haematol. 2022 Feb;196(3):473-487. doi: 10.1111/bjh.17799. Epub 2021 Aug 26.
PubMed 34448202Schorb E, Isbell LK, Illerhaus G, Ihorst G, Meerpohl JJ, Grummich K, Nagavci B, Schmucker C. Treatment Regimens for Immunocompetent Elderly Patients with Primary Central Nervous System Lymphoma: A Scoping Review. Cancers (Basel). 2021 Aug 24;13(17):4268. doi: 10.3390/cancers13174268.
PubMed 34503078
Study at a glance
From the registry record, last updated by the sponsor on 17 Feb 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Age-adjusted High-dose Chemotherapy Followed by Autologous Stem Cell Transplantation or Conventional Chemotherapy With R-MP as First-line Treatment in Elderly Primary CNS Lymphoma Patients - a Randomized Phase III Trial
- ClinicalTrials.gov ID
- NCT06830421
- Acronym / sponsor ID
- PRIMA-CNS / P003077
- Conditions
- Primary Central Nervous System Lymphoma
- Keywords
- Primary central nervous system lymphoma, HD-chemotherapy followed by autologous stem cell transplantation, Age-adjusted HCT-ASCT, First-line treatment in elderly PCNSL patients, HD-MTX induction
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 340 participants (estimated)
- Lead sponsor
- University Hospital FreiburgUniversity, hospital or other
- Collaborators
- German Federal Ministry of Education and Research, University Hospital Tuebingen, Heinrich-Heine University, Duesseldorf, Klinikum Stuttgart, University of Kaiserslautern, University Hospital Munich, University Hospital Regensburg
- Study start
- 9 Aug 2023 (actual)
- Primary completion
- 31 Aug 2029 (estimated)
- Study completion
- 31 Aug 2031 (estimated)
- First posted
- 17 Feb 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Most patients being diagnosed with primary diffuse large B-cell lymphoma of the central nervous system (PCNSL) are 60 years or older. Elderly patients with PCNSL have a poor prognosis and there is a great medical need to improve outcome for this vulnerable population. In Germany and many international centres, there are currently two widely used strategies to treat elderly PCNSL patients who are eligible for high-dose methotrexate (HD-MTX) treatment, which have not yet been compared head-to-head. The R-MP regimen has been established by the Cooperative PCNSL Study Group as a "conventional" immunochemotherapy standard treatment for elderly patients with newly diagnosed disease and consists of Rituximab, HD-MTX and Procarbazine followed by maintenance therapy with Procarbazine. In contrast, another recently established protocol also includes HD-MTX-based induction therapy, but followed by consolidating high-dose chemotherapy and autologous stem cell transplantation (HCT-ASCT). This is an overall more intensive, but substantially shorter treatment approach, feasible for elderly patients being considered eligible for a more intensive treatment. The PRIMA-CNS trial aims to compare these two treatment approaches with respect to survival, response rates and toxicity.
Detailed description
Primary diffuse large B-cell lymphoma of the central nervous system (PCNSL) is a rare lymphoma affecting only the central nervous system compartment. PCNSL patients are typically 60 years or older and have poor prognoses. However, there are alternative treatment approaches to consider with the potential to improve medical outcomes for this patient population. The current standard of care in Germany and many international centres for patients 65 and older is treatment with R-MP, comprising rituximab, high-dose methotrexate (HD-MTX) and procarbazine followed by maintenance therapy with procarbazine. An alternative approach comprised of a shorter induction treatment with rituximab, HD-MTX and cytarabine (MARTA) followed by age-adjusted high-dose chemotherapy and autologous stem cell transplantation (HCT-ASCT) was recently shown to be feasible and effective in elderly PCNSL patients considered eligible for high-dose chemotherapy requiring autologous stem cell transplantation. Nevertheless, data evaluating this short duration treatment approach remains scarce, and randomized trials have not yet been published. The objective of the PRIMA-CNS trial is to demonstrate that intensified chemotherapy followed by consolidating HCT-ASCT is superior to conventional chemotherapy with R-MP followed by maintenance with procarbazine in elderly patients with newly diagnosed PCNSL; not only regarding survival and remission after treatment but also regarding standards like quality of life (QOL) and treatment related morbidities. Results of this randomized trial will either change the standard of care to an intense and shorter treatment approach or re-define R-MP as a proven treatment standard. In addition, a geriatric assessement is implemented in this trial with the goal to better define transplant eligibility. If this trial shows the superiority of HCT-ASCT, the investigators will establish an improved treatment standard with increased chances for long-term remission and cure and reduced frequency and length of chemotherapy treatment. Considering the poor prognosis of this patient population, this randomized phase III trial is of great clinical importance to provide patients, the patients' families and care takers with optimal treatment.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
- Model description
- This is a randomized, controlled, open-label, multicenter phase III trial with 2 parallel arms investigating a more intensive, shorter treatment with 2 cycles of MARTA (rituximab, HD-MTX, AraC) followed by HCT with rituximab, busulfan and thiotepa followed by ASCT compared to standard therapy comprising 3 cycles of R-MP followed by procarbazine maintenance for 6 months.
| Arm | Type | Receives |
|---|---|---|
| Arm A | Active comparator | Drug: R-MP and Procarbazine maintenancePatients will receive 3 cycles (28 days cycle) of R-MP (Rituximab 375 mg/m² i.v. d0,14; MTX 3.5 g/m² i.v. d1,15; Procarbazine 60 mg/m²/d p.o. d2-11) followed by maintenance therapy with Procarbazine 100 mg absolute/d p.o. d1-5 for additional 6 cycles (28 days cycle). |
| Arm B | Experimental | Drug: R-MTX/AraC (MARTA) induction followed by consolidating HCT-ASCTPatients will receive 2 cycles (21 days cycle) of R-MTX/AraC (Rituximab 375 mg/m² i.v. d0,4; MTX 3.5 g/m² i.v. d1; AraC 2x2 g/m² i.v. d2+d3) followed by consolidating HCT-ASCT with Rituximab 375 mg/m² d-8, Busulfan 3.2 mg/kg/d i.v. d-7 and d-6 and Thiotepa 5 mg/kg/d i.v. d-5 and d-4. |
Who may qualify
- Ages
- 65 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Older adult
Key inclusion criteria (12 listed)
- Immunocompetent patients with newly-diagnosed primary DLBCL of the central nervous system.
- Age > 70 years or age 65-70 years if not eligible for more intensive treatment (e.g. OptiMATe trial).
- Histologically or cytologically assessed diagnosis of B-cell lymphoma by local pathologist.
- Diagnostic sample obtained by stereotactic or surgical biopsy, cerebrospinal fluid (CSF) cytology examination or vitrectomy.
- Disease exclusively located in the CNS.
Key exclusion criteria (19 listed)
- Congenital or acquired immunodeficiency including HIV infection and previous organ transplantation.
- Systemic lymphoma manifestation (outside the CNS).
- Primary vitreoretinal lymphoma or primary leptomeningeal lymphoma without manifestation in the brain parenchyma or spinal cord.
- Previous or concurrent malignancies with the exception of surgically cured carcinoma in situ or other kinds of cancer without evidence of disease for at least 5 years.
- Previous systemic Non-Hodgkin lymphoma at any time.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| R-MP and Procarbazine maintenanceFirstline systemic treatment with conventinal immunochemotherapy (3 cycles of Rituximab-MTX-Procarbazine) followed by Procarbazine maintenance | Drug | Arm A |
| R-MTX/AraC (MARTA) induction followed by consolidating HCT-ASCTFirstline systemic treatment with age-adjusted MTX based induction (2 cycles of Rituximab-Methotrexate-Cytarabin) followed by consolidating aged-adapted high-dose chemotherapy and autologous stem cell transplantation | Drug | Arm B |
Primary outcome
Progression free survival (PFS) between the 2 arms
Time frame: up to 6 years
PFS is defined as the time from randomization to disease progression or death of any cause, with censoring at the last date the patient was seen alive and free of disease progression
7 secondary outcomes
Overall survival (OS) between the 2 arms
Time frame: up to 6 years
Event free survival (EFS) between the 2 arms
Time frame: up to 6 years
Remission status after 2 cycles of rituximab-methotrexate-procarbazine (R-MP) (arm A)/2 cycles of R-MTX/cytarabine (AraC)
Time frame: at RA I: after 8 weeks (Arm A), after 6 weeks (Arm B)
Remission status after 3 cycles of R-MP (arm A)/consolidating HCT-ASCT (arm B)
Time frame: at RA II: after 12 weeks
Remission status after completion of maintenance treatment (arm A)/6 months follow-up (arm B)
Time frame: 6 months after RA II
Quality of life (EORTC QLQ-C30)
Time frame: from date of informed consent form (ICF) signature up to 6 years
Quality of Life (EORTC-QLQ BN 20)
Time frame: from date of informed consent form (ICF) signature up to 6 years
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 17 Feb 2025.
- Background: PubMed 38301670Schorb E, Isbell LK, Kerkhoff A, Mathas S, Braulke F, Egerer G, Roth A, Schliffke S, Borchmann P, Brunnberg U, Kroschinsky F, Mohle R, Rank A, Wellnitz D, Kasenda B, Pospiech L, Wendler J, Scherer F, Deckert M, Henkes E, von Gottberg P, Gmehlin D, Backenstrass M, Jensch A, Burger-Martin E, Grishina O, Fricker H, Malenica N, Orban A, Duyster J, Ihorst G, Finke J, Illerhaus G. High-dose chemotherapy and autologous haematopoietic stem-cell transplantation in older, fit patients with primary diffuse large B-cell CNS lymphoma (MARTA): a single-arm, phase 2 trial. Lancet Haematol. 2024 Mar;11(3):e196-e205. doi: 10.1016/S2352-3026(23)00371-X. Epub 2024 Jan 29.
- Background: PubMed 29036697Mendez JS, Ostrom QT, Gittleman H, Kruchko C, DeAngelis LM, Barnholtz-Sloan JS, Grommes C. The elderly left behind-changes in survival trends of primary central nervous system lymphoma over the past 4 decades. Neuro Oncol. 2018 Apr 9;20(5):687-694. doi: 10.1093/neuonc/nox187.
- Background: PubMed 31907289Houillier C, Soussain C, Ghesquieres H, Soubeyran P, Chinot O, Taillandier L, Lamy T, Choquet S, Ahle G, Damaj G, Agape P, Molucon-Chabrot C, Amiel A, Delwail V, Fabbro M, Jardin F, Chauchet A, Moles-Moreau MP, Morschhauser F, Casasnovas O, Gressin R, Fornecker LM, Abraham J, Marolleau JP, Tempescul A, Campello C, Colin P, Tamburini J, Laribi K, Serrier C, Haioun C, Chebrek S, Schmitt A, Blonski M, Houot R, Boyle E, Bay JO, Oberic L, Tabouret E, Waultier A, Martin-Duverneuil N, Touitou V, Cassoux N, Kas A, Mokhtari K, Charlotte F, Alentorn A, Feuvret L, Le Garff-Tavernier M, Costopoulos M, Mathon B, Peyre M, Delgadillo D, Douzane H, Genet D, Aidaoui B, Hoang-Xuan K, Gyan E. Management and outcome of primary CNS lymphoma in the modern era: An LOC network study. Neurology. 2020 Mar 10;94(10):e1027-e1039. doi: 10.1212/WNL.0000000000008900. Epub 2020 Jan 6.
- Background: PubMed 31997308Schorb E, Fox CP, Kasenda B, Linton K, Martinez-Calle N, Calimeri T, Ninkovic S, Eyre TA, Cummin T, Smith J, Yallop D, De Marco B, Krampera M, Trefz S, Orsucci L, Fabbri A, Illerhaus G, Cwynarski K, Ferreri AJM. Induction therapy with the MATRix regimen in patients with newly diagnosed primary diffuse large B-cell lymphoma of the central nervous system - an international study of feasibility and efficacy in routine clinical practice. Br J Haematol. 2020 Jun;189(5):879-887. doi: 10.1111/bjh.16451. Epub 2020 Jan 29.
- Background: PubMed 25052698Olivier G, Clavert A, Lacotte-Thierry L, Gardembas M, Escoffre-Barbe M, Brion A, Cumin I, Legouffe E, Solal-Celigny P, Chabin M, Ingrand P, Colombat P, Delwail V. A phase 1 dose escalation study of idarubicin combined with methotrexate, vindesine, and prednisolone for untreated elderly patients with primary central nervous system lymphoma. The GOELAMS LCP 99 trial. Am J Hematol. 2014 Nov;89(11):1024-9. doi: 10.1002/ajh.23812. Epub 2014 Aug 27.
- Background: PubMed 27132696Ferreri AJ, Cwynarski K, Pulczynski E, Ponzoni M, Deckert M, Politi LS, Torri V, Fox CP, Rosee PL, Schorb E, Ambrosetti A, Roth A, Hemmaway C, Ferrari A, Linton KM, Ruda R, Binder M, Pukrop T, Balzarotti M, Fabbri A, Johnson P, Gorlov JS, Hess G, Panse J, Pisani F, Tucci A, Stilgenbauer S, Hertenstein B, Keller U, Krause SW, Levis A, Schmoll HJ, Cavalli F, Finke J, Reni M, Zucca E, Illerhaus G; International Extranodal Lymphoma Study Group (IELSG). Chemoimmunotherapy with methotrexate, cytarabine, thiotepa, and rituximab (MATRix regimen) in patients with primary CNS lymphoma: results of the first randomisation of the International Extranodal Lymphoma Study Group-32 (IELSG32) phase 2 trial. Lancet Haematol. 2016 May;3(5):e217-27. doi: 10.1016/S2352-3026(16)00036-3. Epub 2016 Apr 6.
- Background: PubMed 29054815Ferreri AJM, Cwynarski K, Pulczynski E, Fox CP, Schorb E, La Rosee P, Binder M, Fabbri A, Torri V, Minacapelli E, Falautano M, Ilariucci F, Ambrosetti A, Roth A, Hemmaway C, Johnson P, Linton KM, Pukrop T, Sonderskov Gorlov J, Balzarotti M, Hess G, Keller U, Stilgenbauer S, Panse J, Tucci A, Orsucci L, Pisani F, Levis A, Krause SW, Schmoll HJ, Hertenstein B, Rummel M, Smith J, Pfreundschuh M, Cabras G, Angrilli F, Ponzoni M, Deckert M, Politi LS, Finke J, Reni M, Cavalli F, Zucca E, Illerhaus G; International Extranodal Lymphoma Study Group (IELSG). Whole-brain radiotherapy or autologous stem-cell transplantation as consolidation strategies after high-dose methotrexate-based chemoimmunotherapy in patients with primary CNS lymphoma: results of the second randomisation of the International Extranodal Lymphoma Study Group-32 phase 2 trial. Lancet Haematol. 2017 Nov;4(11):e510-e523. doi: 10.1016/S2352-3026(17)30174-6. Epub 2017 Oct 17.
- Background: PubMed 27843136Fritsch K, Kasenda B, Schorb E, Hau P, Bloehdorn J, Mohle R, Low S, Binder M, Atta J, Keller U, Wolf HH, Krause SW, Hess G, Naumann R, Sasse S, Hirt C, Lamprecht M, Martens U, Morgner A, Panse J, Frickhofen N, Roth A, Hader C, Deckert M, Fricker H, Ihorst G, Finke J, Illerhaus G. High-dose methotrexate-based immuno-chemotherapy for elderly primary CNS lymphoma patients (PRIMAIN study). Leukemia. 2017 Apr;31(4):846-852. doi: 10.1038/leu.2016.334. Epub 2016 Nov 15.
- Background: PubMed 32722778Schorb E, Kasenda B, Ihorst G, Scherer F, Wendler J, Isbell L, Fricker H, Finke J, Illerhaus G. High-dose chemotherapy and autologous stem cell transplant in elderly patients with primary CNS lymphoma: a pilot study. Blood Adv. 2020 Jul 28;4(14):3378-3381. doi: 10.1182/bloodadvances.2020002064.
- Background: PubMed 30925912Schorb E, Finke J, Ihorst G, Kasenda B, Fricker H, Illerhaus G. Age-adjusted high-dose chemotherapy and autologous stem cell transplant in elderly and fit primary CNS lymphoma patients. BMC Cancer. 2019 Mar 29;19(1):287. doi: 10.1186/s12885-019-5473-z.
- Background: PubMed 26688235Omuro A, Chinot O, Taillandier L, Ghesquieres H, Soussain C, Delwail V, Lamy T, Gressin R, Choquet S, Soubeyran P, Huchet A, Benouaich-Amiel A, Lebouvier-Sadot S, Gyan E, Touitou V, Barrie M, del Rio MS, Gonzalez-Aguilar A, Houillier C, Delgadillo D, Lacomblez L, Tanguy ML, Hoang-Xuan K. Methotrexate and temozolomide versus methotrexate, procarbazine, vincristine, and cytarabine for primary CNS lymphoma in an elderly population: an intergroup ANOCEF-GOELAMS randomised phase 2 trial. Lancet Haematol. 2015 Jun;2(6):e251-9. doi: 10.1016/S2352-3026(15)00074-5. Epub 2015 Jun 3.
- Background: PubMed 36088292Wendler J, Fox CP, Valk E, Steinheber C, Fricker H, Isbell LK, Neumaier S, Okosun J, Scherer F, Ihorst G, Cwynarski K, Schorb E, Illerhaus G. Optimizing MATRix as remission induction in PCNSL: de-escalated induction treatment in newly diagnosed primary CNS lymphoma. BMC Cancer. 2022 Sep 10;22(1):971. doi: 10.1186/s12885-022-09723-w.
- Individual participant dataSharing planned: Yes. Publication of study protocol and publication of study results
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
35 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing R-MP and Procarbazine maintenance and R-MTX/AraC (MARTA) induction followed by consolidating HCT-ASCT in people with Primary Central Nervous System Lymphoma, run by University Hospital Freiburg at 35 sites in Germany.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 12 inclusion and 19 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 17 Feb 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 35 sites in Germany. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Elisabeth Schorb, MD (+49 761 270-35360, elisabeth.schorb@uniklinik-freiburg.de), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Progression free survival (PFS) between the 2 arms (time frame: up to 6 years). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT06830421, which also lists 15 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Feb 2025.