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A First-in-Human Dose Escalation and Expansion Study to Evaluate Intratumoral Administration of SAR441000 as Monotherapy and in Combination With Cemiplimab in Patients With Advanced Solid Tumors

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT03871348
Recruitment Status : Active, not recruiting
First Posted : March 12, 2019
Last Update Posted : August 12, 2022
Sponsor:
Collaborator:
BioNTech RNA Pharmaceuticals GmbH
Information provided by (Responsible Party):
Sanofi

Study Description
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Brief Summary:

Primary Objectives:

  • Dose Escalation: To determine maximum tolerated dose (MTD) or maximum administered dose (MAD) and overall safety and tolerability profile of SAR441000 when administered intratumorally as monotherapy and in combination with cemiplimab in patients who have no alternative standard treatment options.
  • Dose Expansion (Combination): To determine the objective response rate of SAR441000 administered intratumorally in combination with cemiplimab in patients with melanoma, cutaneous squamous cell carcinoma or head and neck squamous cell carcinoma.

Secondary Objectives:

  • To characterize the pharmacokinetic (PK) profile of SAR441000 administered as monotherapy and in combination with cemiplimab.
  • To assess the immunogenicity of SAR441000.
  • To characterize the safety of SAR441000 when administered intratumorally in combination with cemiplimab.
  • To determine the disease control rate (DCR), duration of response (DoR) and progression free survival (PFS) of SAR441000.
  • To determine the recommended dose of SAR441000 for the expansion phase.

Condition or disease Intervention/treatment Phase
Metastatic Neoplasm Drug: SAR441000 Drug: Cemiplimab REGN2810 Phase 1

Detailed Description:

The expected duration of treatment for patients who benefit from study intervention may vary, based on progression date. Median expected duration of study per patient is estimated as 9 months in monotherapy and 12 months in combination therapy.

The maximum treatment duration for non-progressive patients is up to 2 years.

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 77 participants
Allocation: Non-Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 1 First-in-Human Dose Escalation and Expansion Study for the Evaluation of Safety, Pharmacokinetics, Pharmacodynamics and Anti-tumor Activity of SAR441000 Administered Intratumorally as Monotherapy and in Combination With Cemiplimab in Patients With Advanced Solid Tumors
Actual Study Start Date : January 3, 2019
Actual Primary Completion Date : July 25, 2022
Estimated Study Completion Date : March 29, 2024
Arms and Interventions
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Arm Intervention/treatment
Experimental: SAR441000 Dose Escalation Phase
SAR441000 will be administered as intratumoral injection as monotherapy in patients with solid tumors over a 28-day cycle
 Drug: SAR441000

Pharmaceutical form: concentrate for solution for injection

Route of administration: intratumoral
Experimental: SAR441000 + cemiplimab - Dose Escalation Phase
SAR441000 will be administered as intratumoral injection in patients with solid tumors in combination with cemiplimab over a 21-day cycle
 Drug: SAR441000

Pharmaceutical form: concentrate for solution for injection

Route of administration: intratumoral


Drug: Cemiplimab REGN2810

Pharmaceutical form: solution for injection

Route of administration: intravenous
Experimental: SAR441000 + cemiplimab Expansion Melanoma, anti-PD-1 failure
SAR441000 will be administered intratumorally at the determined recommended dose in combination with cemiplimab to patients with advanced melanoma who have failed anti-PD-1/PD-L1 therapy. Treatment is administered over a 21-day cycle
 Drug: SAR441000

Pharmaceutical form: concentrate for solution for injection

Route of administration: intratumoral


Drug: Cemiplimab REGN2810

Pharmaceutical form: solution for injection

Route of administration: intravenous
Experimental: SAR441000 + cemiplimab Expansion Melanoma, anti-PD-1 naive
SAR441000 will be administered intratumorally at the determined recommended dose in combination with cemiplimab to patients with advanced anti-PD-1/PD-L1 naïve melanoma over a 21-day cycle
 Drug: SAR441000

Pharmaceutical form: concentrate for solution for injection

Route of administration: intratumoral


Drug: Cemiplimab REGN2810

Pharmaceutical form: solution for injection

Route of administration: intravenous
Experimental: SAR441000 + cemiplimab Expansion CSCC, anti-PD-1 naive
SAR441000 will be administered intratumorally at the determined recommended dose in combination with cemiplimab to patients with advanced anti-PD-1/PD-L1 naïve Cutaneous Squamous Cell Carcinoma (CSCC) over a 21-day cycle
 Drug: SAR441000

Pharmaceutical form: concentrate for solution for injection

Route of administration: intratumoral


Drug: Cemiplimab REGN2810

Pharmaceutical form: solution for injection

Route of administration: intravenous
Experimental: SAR441000 + cemiplimab Expansion HNSCC, anti-PD-1 naive
SAR441000 will be administered intratumorally at the determined recommended dose in combination with cemiplimab to patients with advanced anti-PD-1/PD-L1 naïve Head and Neck Squamous Cell Cancer (HNSCC) over a 21-day cycle
 Drug: SAR441000

Pharmaceutical form: concentrate for solution for injection

Route of administration: intratumoral


Drug: Cemiplimab REGN2810

Pharmaceutical form: solution for injection

Route of administration: intravenous


Outcome Measures
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Primary Outcome Measures :
  1. For dose escalation: Incidence of Dose Limiting Toxicities (DLTs) (Monotherapy) [ Time Frame: Cycle 1; Cycle = 28 days for monotherapy ]
    Incidence of DLTs at Cycle 1 (SAR441000 monotherapy), assessed as the occurrence of AE, satisfying protocol defined DLT criteria, using National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0 whether related or not to the study treatment in the absence of clear evidence to the contrary, and if not related to a disease progression

  2. For dose escalation: Incidence of Dose Limiting Toxicities (DLTs) (Combination therapy) [ Time Frame: Cycle 1 Day 1 to Cycle 2 Day 8; Cycle = 21 days for combination therapy; overall assessment = 28 days ]
    Incidence of DLTs during period from Cycle 1 Day 1 to Cycle 2 Day 8 (SAR441000 + cemiplimab combination therapy), assessed as the occurrence of AE, satisfying protocol defined DLT criteria, using NCI-CTCAE version 5.0 whether related or not to the study treatment in the absence of clear evidence to the contrary, and if not related to a disease progression

  3. For dose escalation: Maximum tolerated dose (MTD) of SAR441000 (Monotherapy) [ Time Frame: End of Dose Escalation phase (ie, End of Cycle 1 for last patient); Cycle = 28 days for monotherapy ]
    MTD of SAR441000 as monotherapy, determined during Cycle 1 of dose escalation phase

  4. For dose escalation: Maximum tolerated dose (MTD) of SAR441000 (Combination therapy) [ Time Frame: End of Dose Escalation Phase (ie, End of Cycle 1 Day 1 to Cycle 2 Day 8 for last patient); Cycle = 21 days for combination; overall assesment = 28 days ]
    MTD of SAR441000, in combination with cemiplimab, determined during period from Cycle 1 Day 1 to Cycle 2 Day 8 in dose escalation phase

  5. Adverse Events [ Time Frame: Up to end of treatment (Estimated median duration=12 months) ]
    Incidence of Treatment Emergent Adverse Events (TEAE) during dose escalation phase

  6. For Expansion: Objective Response Rate (ORR) [ Time Frame: Estimated median duration = 12 months ]
    Assessment of overall response rate using standard imaging and RECIST 1.1 criteria


Secondary Outcome Measures :
  1. Assessment of Pharmacokinetic (PK) parameter for SAR441000 (Cmax) (Monotherapy) [ Time Frame: Cycle 1 Week 1 and Cycle 3 Week 1 (in all patients); Cycle duration is 28 days for monotherapy ]
    Maximum plasma concentration (Cmax) of SAR4410000 as monotherapy observed over the dosing interval

  2. Assessment of Pharmacokinetic (PK) parameter for SAR441000 (Cmax) (Combination therapy) [ Time Frame: Cycle 1 Week 1 and Cycle 3 Week 1 (in all patients); Cycle duration is 21 days for combination therapy ]
    Maximum plasma concentration (Cmax) of SAR4410000 in combination with cemiplimab observed over the dosing interval

  3. Assessment of PK parameter for SAR441000 (AUC) (Monotherapy) [ Time Frame: Cycle 1 Week 1 and Cycle 3 Week 1 (in all patients); Cycle duration is 28 days for monotherapy ]
    Area under the plasma concentration versus time curve (AUC) of SAR441000 as monotherapy over the dosing interval

  4. Assessment of PK parameter for SAR441000 (AUC) (Combination therapy) [ Time Frame: Cycle 1 Week 1 and Cycle 3 Week 1 (in all patients); Cycle duration is 21 days for combination therapy ]
    Area under the plasma concentration versus time curve (AUC) of SAR441000 in combination with cemiplimab over the dosing interval

  5. Assessment of PK parameter (Ctrough) for SAR441000 [ Time Frame: Baseline to End of Treatment (Estimated median duration of 12 months) ]
    Trough Plasma Concentration (Ctrough) of SAR441000 as monotherapy and in combination with cemiplimab. It is defined as plasma concentration observed just before treatment administration during repeated dosing

  6. Assessment of PK parameter for cemiplimab (Cmax) [ Time Frame: Cycle 1; Cycle duration is 21 days ]
    Maximum plasma concentration of cemiplimab in combination with SAR441000, observed over the dosing interval

  7. Assessment of PK parameter of cemiplimab (AUC) [ Time Frame: Cycle 1; Cycle duration is 21 days ]
    Area under the plasma concentration versus time curve of cemiplimab in combination with SAR441000 over the dosing interval

  8. Assessment of PK parameter for cemiplimab (Ctrough) [ Time Frame: Baseline to End of Treatment (Estimated median duration of 12 months) ]
    Trough plasma concentration of cemiplimab in combination with SAR441000, observed just before treatment administration during repeated dosing

  9. Immunogenicity of SAR441000 and cemiplimab [ Time Frame: Baseline to End of Study (Estimated median duration of 12 months) ]
    Incidence of anti-drug antibody (ADA) positive patients for immunogenicity

  10. DCR [ Time Frame: Baseline to End of Study (Estimated median duration of 12 months) ]
    Disease Control Rate (DCR) with SAR441000 in combination with cemiplimab. DCR is sum of Complete Response + Partial Response + Stable Disease

  11. DoR [ Time Frame: Baseline to End of Study (Estimated median duration of 12 months) ]
    Duration of Response (DoR) with SAR441000 in combination with cemiplimab. DoR is time from initial response to the first documented tumor progression

  12. Progression Free Survival (PFS) [ Time Frame: Baseline to End of Study (Estimated median duration of 12 months) ]
    Time from first drug administration to the first documented tumor progression or death from any cause, whichever comes first

  13. Incidence of Treatment Emergent Adverse Events (TEAE) during dose expansion phase [ Time Frame: Baseline to End of Treatment (Estimated median duration of 12 months) ]
    Incidence of Adverse Events (AE)/ Serious AE (SAE) / Laboratory abnormalities considered to be adverse events

  14. Recommended dose of SAR441000 for expansion phase (Combination therapy) [ Time Frame: End of Dose Escalation Phase (ie, End of Cycle 1 Day 1 to Cycle 2 Day 8 for last patient); Cycle = 21 days for combination; overall assesment = 28 days ]
    SAR441000 dose for administration in combination with cemiplimab selected for expansion phase based on MTD/MAD by the Bayesian model, the overall safety, activity and PK/PDy data

  15. For Dose Expansion: Objective Response Rate (ORR) [ Time Frame: Estimated median duration of 12 months ]
    Assessment of overall response rate using standard imaging by RECIST 1.1 and iRECIST criteria


Eligibility Criteria
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Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion criteria:

  • At least 18 years of age
  • Advanced solid tumors including lymphomas for which no standard alternative therapy is available (escalation phase).
  • Advanced melanoma (Stage IIIB-C or Stage IV, anti-PD-1/PD-L1 treated or not) or anti-PD-1/PD-L1 not treated advanced Head and Neck Squamous Cell Cancer or anti-PD-1/PD-L1 not treated Advanced Cutaneous Squamous Cell Cancer where no other alternative treatment option exists (expansion phases).
  • Minimum 3 lesions enrollment.
  • Injectable disease (i.e., suitable for direct intratumoral injection based on the dose level volume of each cohort and cumulative lesion size; according to the investigator's judgement).
  • A lesion amenable for additional tumor biopsy.
  • Patients with measurable disease according to the Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 criteria.
  • Life expectancy more than 3 months.
  • Willingness to provide mandatory tumor biopsy.
  • Male and female patients who agree to use effective contraceptive methods.
  • Signed informed consent.

Exclusion criteria:

  • Eastern Cooperative Oncology Group (ECOG) performance score >1.
  • Significant and uncontrolled concomitant illness that would adversely affect the patient's participation in the study.
  • Any prior organ transplantation.
  • History within the last 5 years of an invasive malignancy other than the one treated in this study, with the exception of resected basal or squamous-cell skin cancer or carcinoma, in situ of cervix or other local tumors considered cured by local treatment.
  • History of unresolved viral hepatitis; systemic immune suppression including acquired immunodeficiency syndrome (AIDS) related illnesses or human immunodeficiency virus (HIV) disease requiring antiretroviral treatment.
  • Prior splenectomy.
  • New and progressive brain lesions.
  • Poor bone marrow reserve resulting in low blood cell count.
  • Poor liver and kidney functions, abnormal coagulation tests.
  • Ongoing or recent (within 5 years) evidence of significant autoimmune disease that required treatment with systemic immunosuppressive treatments.
  • Maintenance therapy with prednisolone >7.5 mg/day orally or equivalent during the study.
  • Non-resolution of any prior treatment related toxicity to Grade <2, except alopecia, vitiligo, fatigue and hypothyroidism controlled with replacement therapies.
  • Moderate to severe immune related adverse event to prior immune-modulating agents within 90 days prior to the first study treatment.
  • Central nervous system lymphoma.
  • Prior allogeneic hematopoietic stem cell transplantation (HSCT) for patients with lymphoma.
  • Autologous HSCT less than 90 days prior to initiation of study intervention.

The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03871348


Locations
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Sponsors and Collaborators
Sanofi
BioNTech RNA Pharmaceuticals GmbH
Investigators
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Study Director: Clinical Sciences & Operations Sanofi
More Information
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Responsible Party: Sanofi
ClinicalTrials.gov Identifier: NCT03871348    
Other Study ID Numbers: TED15297
2017-004766-94 ( EudraCT Number )
U1111-1205-1176 ( Other Identifier: UTN )
First Posted: March 12, 2019    Key Record Dates
Last Update Posted: August 12, 2022
Last Verified: August 2022
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Neoplasm Metastasis
Neoplastic Processes
Neoplasms
Pathologic Processes
 Cemiplimab
Antineoplastic Agents, Immunological
Antineoplastic Agents