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Immunoglobulin Replacement Therapy (IgRT) Versus Antibiotic Prophylaxis (PA) in Patients Treated by CD19-targeted Chimeric Antigen Receptor (CAR)T Cells for a B Cell Acute Lymphoblastic Leukemia or a B Cell Lymphoma (PREV-CART)

4 août 2026 mis à jour par: Assistance Publique - Hôpitaux de Paris

A Multicentric Phase III Randomized Clinical Trial Open-label, Comparing Immunoglobulin Replacement Therapy (IgRT) and Antibiotic Prophylaxis (AP) in Patients Treated by CD19-targeted Chimeric Antigen Receptor (CAR)T Cells for a B Cell Acute Lymphoblastic Leukemia or a B Cell Lymphoma

B cell (CD19) targeted chimeric antigen receptor modified T Cells (CAR-T) has transformed treatment of relapsed/refractory B-cell acute lymphoblastic leukemia (B-ALL) or B-cell lymphoma (BCL).

Because patients receiving CAR-T often present uncontrolled disease and have undergone several lines of treatment, they may be deeply immuno-depressed and prone to infections. Hypogammaglobulinemia were reported in 74% of patients preCAR-T cells infusion (Hill JA, et al. Blood Rev. 2019 Nov). CART cells also results in depletion of normal CD19+ B cells and hypogammaglobulinemia as an on-target, off tumor toxicity.

Because CAR-T cells can persist for years, patients are exposed to infectious complications secondary to long-term Bcell aplasia and severe hypogammaglobulinemia (<4g/l). Data from patients who received rituximab (CD20-specific monoclonal antibody) show that patients with severe hypogammaglobulinemia experienced recurrent bronchitis, sinusitis, pneumonia, and rarely, enteroviral meningoencephalitis. In patients receiving CAR T-cells, infection density is 0.55-0.67 infections/100 days3,5 at risk after the first month with a majority of respiratory and ENT (earsnose-throat) infections. To prevent infections, anti-bacterial prophylaxis (AP) based on local guidelines is often used in patients treated by CAR-T cells, with the risk of subsequent resistance. Otherwise, intravenous immunoglobulin replacement therapy (IgRT) is authorized by the French authorities for patients with secondary antibody deficiencies who developed severe or recurrent infections after appropriate antimicrobial therapy, if IgG levels <4g/l. However, although IgRT as primary prophylaxis (PP) have no approval, they are used as PP after CAR T-cells by many centers, with no data supporting such a strategy. The benefit of IgRT over AP as a primary prophylaxis in the setting of CD19 CAR-T cells therapy should be demonstrated given its burden for patients and care, as well as its cost and the risk of Ig shortage. Therefore, this multi-centric prospective randomized openlabel study aims to assess the benefits of IgRT versus AP as PP in patients with secondary antibody deficiencies.

Aperçu de l'étude

Statut

Pas encore de recrutement

Les conditions

Intervention / Traitement

Type d'étude

Interventionnel

Inscription (Estimé)

228

Phase

  • Phase 3

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Coordonnées de l'étude

Sauvegarde des contacts de l'étude

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

  • Enfant
  • Adulte
  • Adulte plus âgé

Accepte les volontaires sains

Non

La description

Inclusion Criteria:

  1. Age 16-80 years at inclusion
  2. B-cell acute lymphoblastic leukemia or a B-cell lymphoma
  3. With gamma globulins <4g/L at the time of screening
  4. Receiving CD19-targeted autologous CAR-T cells (with AMM in their indication)
  5. Patients with childbearing potential* should have reliable contraception for the all duration of the study and another 12 months after CAR-T infusion.
  6. Contraceptive measures for concerned patients
  7. Informed consent signed by patient or legal representatives

Exclusion Criteria:

  1. Any medical history of intolerance to intravenous immunoglobulin
  2. With renal failure calculated glomerular filtrate rate <30 mL / min;
  3. With hepatic failure or hepatitis or bilirubin> 3 times the upper limit of normal, Serum ALT/AST >=5N
  4. With existing serious acute infection
  5. Contraindication to immunoglobulin or to prophylactic antibiotherapy administered in this clinical trial
  6. No health insurance coverage
  7. Females who are pregnant or breastfeeding
  8. Participation in another interventional study or being

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: La prévention
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Aucun (étiquette ouverte)

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: Immunoglobulin Replacement therapy
Médicament: Immunoglobulin
IgRT 0.4g/Kg IV every 4 weeks for 12 months
Comparateur actif: Antibiotic prophylaxis
Médicament: antibiotic prophylaxis
PA following each center's guidelines, for 12 months

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Occurrence of recurrent infections
Délai: At 12 months
Defined by at least 2 episodes requiring a curative systemic antibiotic treatment
At 12 months
Occurrence of a severe infection
Délai: At 12 months
Defined by the need of hospitalization
At 12 months

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Cumulative hazard of severe infections
Délai: Up to 12 months
requiring hospitalization
Up to 12 months
Infection-free survival rate
Délai: Up to 12 months
Up to 12 months
Occurrence of COVID19 infection
Délai: Up to 12 months
Up to 12 months
Cumulative incidence of readmissions due to infectious episode after hospital discharge following the infusion of CART cells
Délai: Up to 12 months
Up to 12 months
Incidence of adverse events due to IgRT and/or PA
Délai: Up to 12 months
Up to 12 months
Dosage of immune markers
Délai: Up to 12 months
IgA, IgG, IgM, CD19/CD4/CD8 lymphocytes counts, at lymphodepletion
Up to 12 months
Dosage of immune markers
Délai: At 1 month
IgA, IgG, IgM, CD19/CD4/CD8 lymphocytes counts
At 1 month
Dosage of immune markers
Délai: At 3 months
IgA, IgG, IgM, CD19/CD4/CD8 lymphocytes counts
At 3 months
Dosage of immune markers
Délai: At 6 months
IgA, IgG, IgM, CD19/CD4/CD8 lymphocytes counts
At 6 months
Dosage of immune markers
Délai: At 9 months
IgA, IgG, IgM, CD19/CD4/CD8 lymphocytes counts
At 9 months
Dosage of immune markers
Délai: At 12 months
IgA, IgG, IgM, CD19/CD4/CD8 lymphocytes counts
At 12 months
Quality of life assessment
Délai: At 3 months
EQ5D5L : standardized measure of health-related quality of life assessing five dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. The EQ-5D-5L index score typically ranges from values below 0 (health states considered worse than death) to 1.0 (full health), depending on the country-specific value set. Higher scores indicate better health-related quality of life.
At 3 months
Quality of life assessment
Délai: At 6 months
EQ5D5L : standardized measure of health-related quality of life assessing five dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. The EQ-5D-5L index score typically ranges from values below 0 (health states considered worse than death) to 1.0 (full health), depending on the country-specific value set. Higher scores indicate better health-related quality of life.
At 6 months
Quality of life assessment
Délai: At 9 months
EQ5D5L : standardized measure of health-related quality of life assessing five dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. The EQ-5D-5L index score typically ranges from values below 0 (health states considered worse than death) to 1.0 (full health), depending on the country-specific value set. Higher scores indicate better health-related quality of life.
At 9 months
Quality of life assessment
Délai: At 12 months
EQ5D5L : standardized measure of health-related quality of life assessing five dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. The EQ-5D-5L index score typically ranges from values below 0 (health states considered worse than death) to 1.0 (full health), depending on the country-specific value set. Higher scores indicate better health-related quality of life.
At 12 months
Quality of life assessment
Délai: At 3 months
EORTC QLQ-C30 : cancer-specific questionnaire designed to assess health-related quality of life in patients with cancer. Scores are linearly transformed to a 0-100 scale. For the Global Health Status/Quality of Life scale and the functional scales, higher scores indicate better quality of life and functioning. For symptom scales, higher scores indicate greater symptom burden and poorer health status.
At 3 months
Quality of life assessment
Délai: At 6 months
EORTC QLQ-C30 : cancer-specific questionnaire designed to assess health-related quality of life in patients with cancer. Scores are linearly transformed to a 0-100 scale. For the Global Health Status/Quality of Life scale and the functional scales, higher scores indicate better quality of life and functioning. For symptom scales, higher scores indicate greater symptom burden and poorer health status.
At 6 months
Quality of life assessment
Délai: At 9 months
EORTC QLQ-C30 : cancer-specific questionnaire designed to assess health-related quality of life in patients with cancer. Scores are linearly transformed to a 0-100 scale. For the Global Health Status/Quality of Life scale and the functional scales, higher scores indicate better quality of life and functioning. For symptom scales, higher scores indicate greater symptom burden and poorer health status.
At 9 months
Quality of life assessment
Délai: At 12 months
EORTC QLQ-C30 : cancer-specific questionnaire designed to assess health-related quality of life in patients with cancer. Scores are linearly transformed to a 0-100 scale. For the Global Health Status/Quality of Life scale and the functional scales, higher scores indicate better quality of life and functioning. For symptom scales, higher scores indicate greater symptom burden and poorer health status.
At 12 months
Incremental Cost-Effectiveness Ratio (ICER)
Délai: Up to 12 months
Up to 12 months

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

Assistance Publique - Hôpitaux de Paris

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Estimé)

1 septembre 2026

Achèvement primaire (Estimé)

1 septembre 2029

Achèvement de l'étude (Estimé)

1 septembre 2029

Dates d'inscription aux études

Première soumission

3 juillet 2026

Première soumission répondant aux critères de contrôle qualité

4 août 2026

Première publication (Réel)

10 août 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

10 août 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

4 août 2026

Dernière vérification

1 août 2026

Plus d'information

Termes liés à cette étude

Termes MeSH pertinents supplémentaires

Autres numéros d'identification d'étude

  • APHP241013

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

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