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Study Evaluating Safety and Efficacy of UCART Targeting CS1 in Patients With Relapsed/Refractory Multiple Myeloma (MELANI-01)

Phase I, Open-label Dose-escalation Study to Evaluate the Safety, Expansion, Persistence and Clinical Activity of UCARTCS1A (Allogenic Engineered T-cells Expressing Anti-CS1 Chimeric Antigen Receptor) Administered in Patients With Relapsed/Refractory Multiple Myeloma

Status
Terminated
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04142619
Enrollment
11
Registered
2019-10-29
Start date
2019-11-21
Completion date
2023-06-18
Last updated
2023-09-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Relapsed/Refractory Multiple Myeloma

Keywords

Multiple Myeloma, Chimeric Antigen Receptor T-Cell (CART-T) therapy, Transcription Activator-Like Effector Nuclease (TALEN), Allogeneic

Brief summary

This is a Phase I, FIH, open-label, dose escalation study evaluating Safety and Efficacy of UCART targeting CS1 in patients with Relapsed or Refractory Multiple Myeloma (MM). The purpose of this study is to evaluate the safety and clinical activity of UCARTCS1A and to determine the Maximum Tolerated Dose (MTD).

Interventions

BIOLOGICALUCARTCS1A

Allogenic engineered T-cells expressing anti- CS1 Chimeric Antigen Receptor

Sponsors

Cellectis S.A.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 64 Years
Healthy volunteers
No

Inclusion criteria

* Patients with confirmed diagnosis of active multiple myeloma (as defined by International Myeloma Working Group \[IMWG\] criteria) who have relapsed/refractory disease after and have received at least 3 prior lines of prior therapy. * Eastern Cooperative Oncology Group Performance Status of 0 or 1; * No previous treatment with investigational gene targeting CS1 or chimeric antigen receptor therapy targeting CS1 * Adequate organ function, including bone marrow, renal, hepatic, pulmonary, and cardiac function based on the last assessment performed within the screening period. * Other criteria may apply.

Exclusion criteria

* Previous treatment with investigational gene therapy targeting CS1 or chimeric antigen receptor therapy targeting CS1; * Any cellular therapy (other than autologous or allogenic HSCT) within 60 days prior to enrollment; * Prior treatment with rituximab or other anti-CD20 therapy within 3 months * Any known active or uncontrolled infection * Autologous hematopoietic stem cell transplantation (HSCT) within 12 weeks prior to enrollment; any cellular therapy (other than autologous) within 60 days prior to enrollment; prior allogeneic HSCT. * Seropositive for Hepatitis C virus or positive for Hepatitis B surface antigen or core antibody. * Presence of active and clinically relevant central nervous system disorder, such as epilepsy, generalized seizure disorder, paresis, aphasia, stroke, severe brain injury, dementia, Parkinson's disease, cerebellar disease, or organic brain syndrome.

Design outcomes

Primary

MeasureTime frameDescription
Safety of UCARTCS1A24 months.Incidence, nature and severity of adverse events and serious adverse events (SAEs) throughout the study.

Secondary

MeasureTime frameDescription
Response Assessment24 monthsAt Day 35, Day 56 (M2), Day 84 (M3), Follow-up \[Q3M up to Month 24; i.e., Month 3, Month 6, Month 9, Month 12, Month 15, Month 18, Month 21 and Month 24
Duration of Response24 monthsTime Frame: From the date of the initial response to the date of disease progression or death from any cause, whichever occurs first, assessed up to Month 24\]
Progression Free Survival24 monthsFrom the first day of study treatment to the date of disease progression or death from any cause, whichever occurs first, assessed up to Month 24
Overall Survival24 monthsFrom the first day of study treatment to the date of death from any cause, assessed up to Month 24

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 24, 2026