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Vaccinazione triplex CMV-MVA dei donatori di cellule staminali nella prevenzione della viremia da CMV nei partecipanti con tumore del sangue sottoposti a trapianto di cellule staminali da donatore

3 settembre 2026 aggiornato da: City of Hope Medical Center

Vaccinazione triplex CMV-MVA dei donatori di cellule staminali per migliorare l'immunità specifica da CMV e prevenire la viremia da CMV nei riceventi dopo il trapianto di cellule staminali

This phase II trial studies how well multi-peptide CMV-modified vaccinia Ankara (CMV-MVA Triplex) vaccination of stem cell donors works in preventing cytomegalovirus (CMV) viremia in participants with blood cancer undergoing donor stem cell transplant. Giving a vaccine to the donors may boost the recipient's immunity to this virus and reduce the chance of CMV disease after transplant.

Panoramica dello studio

Descrizione dettagliata

PRIMARY OBJECTIVES:

I. Establish the feasibility and safety of priming CMV immunity in donors by Triplex vaccination prior to peripheral blood stem cell (PBSC) harvest.

SECONDARY OBJECTIVES:

I. Examine if Triplex vaccination of hematopoietic stem cell transplant (HCT) donors has an impact on CMV events.

OUTLINE:

Donors receive multi-peptide CMV-modified vaccinia Ankara vaccine injection between days -60 and -10 prior to granulocyte colony stimulating factor mobilization. Participants undergo hematopoietic cell transplantation on day 0.

After completion of study treatment, participants are followed up for 1 year.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

34

Fase

  • Fase 1

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

    • California
      • Duarte, California, Stati Uniti, 91010
        • City of Hope Medical Center

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 18 anni a 80 anni (Adulto, Adulto più anziano)

Accetta volontari sani

Sì

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  • DONOR: Ability to comprehend the investigational nature of the study and provide informed consent
  • DONOR: Willing to receive Triplex vaccination, a minimum of 14 days prior to the PBSC collection
  • DONOR VACCINATION: Donors are eligible to be vaccinated prior to the determination of their human immunodeficiency virus (HIV), hepatitis B virus (HBV), hepatitis C virus (HCV) and human T-cell lymphotropic virus (HTLV) status. The exclusion criteria for transplant is independent of eligibility for vaccination and is determined by the exclusion criteria for transplant from donors
  • RECIPIENT: All subjects must have the ability to understand and the willingness to sign a written informed consent
  • RECIPIENT: Participant must be willing to comply with study and/or follow-up procedures, including willingness to be followed for one year post-HCT
  • RECIPIENT: Age 18 to 75 years
  • RECIPIENT: Planned HCT for the treatment of the following hematologic malignancies: lymphoma (Hodgkin and non-Hodgkin), myelodysplastic syndrome, acute lymphoblastic leukemia in first or second remission, acute myeloid leukemia in first or second remission, chronic myelogenous leukemia (in first chronic or accelerated phase, or in second chronic phase), chronic lymphocytic leukemia, myeloproliferative disorders and myelofibrosis (City of Hope [COH] only). Patients with multiple myeloma are excluded
  • RECIPIENT: CMV seropositive
  • RECIPIENT: Planned related HCT with 8/8 (A, B, C, DRB1) high resolution HLA donor allele matching
  • RECIPIENT: Conditioning and immunosuppressive regimens according to institutional guidelines are permitted
  • RECIPIENT: Negative serum or urine beta-human chorionic gonadotropin (HCG) test (female patient of childbearing potential only) within two weeks of registration
  • RECIPIENT: Seronegative for HIV, HCV and active HBV (surface antigen negative) within 2 months of registration
  • RECIPIENT: Agreement by females of childbearing potential and males with partners of childbearing potential to use effective contraception (hormonal or barrier method or abstinence) prior to study entry and for up to 90 days post-HCT. Should a woman become pregnant or suspect that she is pregnant while participating on the trial, she should inform her treating physician immediately

Exclusion Criteria:

  • TRANSPLANT FROM DONOR: Unfit to undergo standard stem cell mobilization and apheresis e.g. abnormal blood counts, history of stroke, uncontrolled hypertension
  • TRANSPLANT FROM DONOR: Sickling hemoglobinopathy including HbSS, HbAS, HbSC
  • TRANSPLANT FROM DONOR: Positive for human immunodeficiency virus (HIV), active hepatitis B (hepatitis B virus [HBV]), hepatitis C (hepatitis C virus [HCV]) or human T-cell lymphotropic virus (HTLV-I/II). This holds true even if donors have been already vaccinated according to criteria for donor vaccination
  • TRANSPLANT FROM DONOR: Donors with impaired cardiac function are excluded. Electrocardiography is routine for potential HCT donors over 60 years old and those with a history of heart disease. Subjects in whom cardiac function is abnormal (excluding 1st degree branch block, sinus brachycardia, sinus tachycardia or non-specific T wave changes) are ineligible for Triplex vaccination
  • TRANSPLANT FROM DONOR: Severe psychiatric illness. Mental deficiency sufficiently severe as to make compliance with the donation procedure unlikely, and making informed consent impossible
  • RECIPIENT: Any prior investigational CMV vaccine
  • RECIPIENT: Experimental anti-CMV chemotherapy in the last 6 months
  • RECIPIENT: Planned medications from the time of HCT to day 70 post-HCT
  • RECIPIENT: Live attenuated vaccines
  • RECIPIENT: Medically indicated subunit (Engerix-B for HBV; Gardasil for human papillomavirus [HPV]) or killed vaccines (e.g. influenza, pneumococcal, or allergy treatment with antigen injections)
  • RECIPIENT: Allergy treatment with antigens injections
  • RECIPIENT: Alemtuzumab or any equivalent in vivo T-cell depleting agent
  • RECIPIENT: Antiviral medications with known therapeutic effects on CMV such as ganciclovir (GCV)/valganciclovir (VAL), FOS, Cidofovir, CMX-001, maribavir. Acyclovir has no known therapeutic efficacy against CMV and is allowable as standard of care to prevent Herpes simplex virus (HSV)
  • RECIPIENT: Prophylactic therapy with CMV immunoglobulin or prophylactic antiviral CMV treatment (Letermovir is permitted). EXCEPT for low risk patients [8/8 high resolution HLA donor allele matching HCT])
  • RECIPIENT: Other investigational product - concurrent enrollment in other clinical trials using any investigational new drug (IND) drugs with unknown effects on CMV or with unknown toxicity profiles is prohibited
  • RECIPIENT: Other medications that might interfere with the evaluation of the investigational product
  • RECIPIENT: Diagnosis with autoimmune disease
  • RECIPIENT: Pregnant women and women who are lactating. The risks of CMV-MVA-Triplex to pregnant women are unknown. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother. Breastfeeding should be discontinued if the mother is enrolled on this study
  • RECIPIENT: Any other condition that would, in the investigator's judgment, contraindicate the patient's participation in the clinical study due to safety concerns or compliance with clinical study procedures, e.g., social/ psychological issues, etc
  • RECIPIENT: Prospective participants who, in the opinion of the investigator, may not be able to comply with all study procedures (including compliance issues related to feasibility/logistics)

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Terapia di supporto
  • Assegnazione: Non randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Donor (multi-peptide CMV-modified vaccinia Ankara vaccine)

Donors receive multi-peptide CMV-modified vaccinia Ankara vaccine injection between days -60 and -10 prior to granulocyte colony stimulating factor mobilization.

Given via injection

Altri nomi:
  • Vaccino triplex CMV-MVA
Sperimentale: Receipient (multi-peptide CMV-modified vaccinia Ankara vaccine)

Participants undergo hematopoietic cell transplantation on day 0 and receive multi-peptide CMV-modified Vaccinia Ankara vaccine injection on days 28 and 56.

Given via injection

Altri nomi:
  • Vaccino triplex CMV-MVA

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Delayed Engraftment
Lasso di tempo: Up to 1 year from stem cell infusion.

Time to neutrophil engraftment was defined as days from stem cell infusion to the first of three consecutive days of absolute neutrophil count ≥0.5 x 109/L. Delayed engraftment was defined as ≥20 days to neutrophil recovery.

Up to 1 year from stem cell infusion.
Severe (Grade III-IV) Acute Graft Versus Host Disease
Lasso di tempo: Up to 6 months from stem cell infusion

Acute graft versus host disease (aGvHD) happens within days or as late as 6 months after allogeneic transplants. The three main tissues that acute GVHD affects are the skin, liver, and gastrointestinal tract.

Up to 6 months from stem cell infusion
Number of Recipients With Grade 3-4 Adverse Events
Lasso di tempo: Up to 1 year from stem cell infusion.

Toxicities were assessed in recipients by Common Terminology Criteria for Adverse Events version 4.0.

Up to 1 year from stem cell infusion.
Number of Donors With Grade 2-3 Adverse Events
Lasso di tempo: Up to 6 months after G-CSF mobilization

Toxicities were assessed in recipients by Common Terminology Criteria for Adverse Events version 4.0.

Up to 6 months after G-CSF mobilization
100-Day Non-Relapse Mortality (NRM)
Lasso di tempo: From stem cell infusion up to 100 days post-HSCT (hematopoietic stem cell transplantation).

NRM was defined as death without recurrent or progressive disease after allogeneic transplant. Probabilities of NRM were estimated with the use of cumulative incidence curves, with relapse viewed as a competing risk.

From stem cell infusion up to 100 days post-HSCT (hematopoietic stem cell transplantation).

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Investigatori

  • Investigatore principale: Ryotaro Nakamura, MD, City of Hope Medical Center

Pubblicazioni e link utili

La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

20 agosto 2018

Completamento primario (Effettivo)

22 gennaio 2022

Completamento dello studio (Stimato)

28 giugno 2027

Date di iscrizione allo studio

Primo inviato

7 giugno 2018

Primo inviato che soddisfa i criteri di controllo qualità

7 giugno 2018

Primo Inserito (Effettivo)

18 giugno 2018

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

28 settembre 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

3 settembre 2026

Ultimo verificato

1 settembre 2026

Maggiori informazioni

Termini relativi a questo studio

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

Sì

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

prodotto fabbricato ed esportato dagli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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