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MEDI5083 Alone and in Combination With Durvalumab, Tremelimumab, and/or Docetaxel.

Phase 1
Completed
Conditions
Advanced Solid Tumors
Interventions
Biological: MEID5083 with Durvalumab or Tremelimumab
Biological: MEDI5083 monotherapy
Biological: Medi5083 with Durvalumab and Docetaxel
Registration Number
NCT03089645
Lead Sponsor
MedImmune LLC
Brief Summary

The purpose of this study is to evaluate the safety, pharmacokinetics and Immunogenicity of Medi5083 alone or in combination with Durvalumab,Tremelimumab, and/or Docetaxel in adult subjects with advanced solid tumors.

Detailed Description

This is a global Phase 1, first-time-in-human, multicenter, dose-escalation and dose-expansion study of MEDI5083 alone or in combination with Durvalumab, Tremelimumab, and/or Docetaxel.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
39
Inclusion Criteria
  1. Age ≥ 18 years at the time of screening or age of consent according to local law
  2. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
  3. Histologically or cytologically confirmed metastatic or recurrent tumor types
  4. Subjects who have received prior immunotherapy may be eligible
  5. Subjects must have at least one measurable lesion
  6. Consent to provide archival tumor tissue and pre/on-treatment biopsies
  7. Adequate organ and marrow function
  8. Consent to use one highly effective method of contraception
Exclusion Criteria
  1. Receipt of any systemic anticancer therapy within 28 days prior to the first dose of MEDI5083
  2. Concurrent enrollment in another clinical study
  3. Active/prior autoimmune of inflammatory disorders
  4. History of immunodeficiency, solid organ transplant, or tuberculosis
  5. Known allergy/hypersensitivity to drug or components
  6. Untreated central nervous system (CNS) metastatic disease, leptomeningeal disease, or cord compression
  7. Current or prior use of immunosuppressive medication within 14 days prior to the first dose of MEDI5083

Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
Part 2MEID5083 with Durvalumab or TremelimumabSequential MEDI5083 with concurrent Durvalumab or Tremelimumab, and intermittent Medi5083 with concurrent Durvalumab in subjects with advanced solid tumors.
Part 1MEDI5083 monotherapyMEDI5083 monotherapy followed by Durvalumab monotherapy in subjects with advanced solid tumors
Part 3Medi5083 with Durvalumab and DocetaxelMedi5083 with concurrent Durvalumab and Docetaxel randomized against Durvalumab and Docetaxel in subjects with IO refractory/relapsed 2/3L in NSCLC
Primary Outcome Measures
NameTimeMethod
Number of participants with Adverse Events (AEs) as a measure of safetyFrom the time of consent through 120 days after last treatment

Safety Endpoint

Number of participants with Dose Limiting Toxicities (DLTs) as a measure of safetyFrom the time of first dose through 28 days thereafter

Safety Endpoint

Antitumor activity endpoints OR, based on RECIST v1.1Part 3

Safety Endpoint

Number of participants with Serious Adverse Events (SAEs) as a measure of safetyFrom the time of consent through 120 days after last treatment

Safety Endpoint

Discontinuation of investigational products due to toxicityFrom the time of first dose through end of study (2 years after last subject enrolled or earlier at sponsor discretion)

Safety Endpoint

The Maximum Tolerated Dose (MTD) or Highest Protocol-Defined DoseFrom the time of first dose through end of study (2 years after last subject enrolled or earlier at sponsor discretion)

Safety Endpoint

Clinically significant alterations in vital signs, laboratory parameters, physical examination, and electrocardiogram (ECG) results.From the time of first dose through end of study (2 years after last subject enrolled or earlier at sponsor discretion)

Safety Endpoint

Secondary Outcome Measures
NameTimeMethod
Serum MEDI5083 concentration levelsFrom the time of first dose through 57 days after first treatment

Pharmacokinetics (PK)

Reduction in peripheral blood CD19+ B cellsFrom the time of first dose through 57 days after first treatment

Pharmacodynamics (PD)

Progression Free Survival (PFS) at 6 months (PFS-6)From the time of first dose until 6 months after the last subject is dosed

Clinical Activity Endpoint

Serum Durvalumab concentration levels collected over timeFrom the time of first dose through 29 days after first treatment

Pharmacokinetics (PK)

Serum tremelimumab concentration levels collected over timeFrom the time of first dose through 57 days after first treatment

Pharmacodynamics (PD)

Incidence of anti-drug antibody (ADA) responses to MEDI5083From the time of first dose through 2 years after last treatment

Immunogenicity

Objective Response Rate (ORR)From the time of consent through end of study (2 years after last subject enrolled or earlier at sponsor discretion)

Clinical Activity Endpoint

Overall Survival (OS)From the time of consent through end of study (2 years after last subject enrolled or earlier at sponsor discretion)

Clinical Activity Endpoint

Disease Control Rate (DCR)From the time of consent through end of study (2 years after last subject enrolled or earlier at sponsor discretion)

Clinical Activity Endpoint

Incidence of anti-drug antibody (ADA) responses to DurvalumabFrom the time of first dose through 2 years after last treatment

Immunogenicity

Duration of Response (DoR)From the time of consent through end of study (2 years after last subject enrolled or earlier at sponsor discretion)

Clinical Activity Endpoint

Incidence of anti-drug antibody (ADA) responses to tremelilumabFrom the time of first dose through 2 years after last treatment

Immunogenicity

PD of MEDI5083 alone and in combination with Durvalumab and tremelimumabFrom the time of first dose through 57 days after first treatment

Pharmacodynamics (PD)

Safety and tolerability of MEDI5083 with durvalumamb and docetaxel and in subjects with IO relapsed/refractory 2/3L NSCLCFrom the time of first dose through 57 days after first treatment

Safety

Trial Locations

Locations (1)

Research Site

🇦🇺

Randwick, Australia

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