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First-in-human Study of DRP-104 as Single Agent and in Combination With Atezolizumab 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. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT04471415
Recruitment Status : Recruiting
First Posted : July 15, 2020
Last Update Posted : September 4, 2020
Sponsor:
Information provided by (Responsible Party):
Dracen Pharmaceuticals, Inc.

Brief Summary:
The purpose of this study is to characterize the safety, tolerability, pharmacokinetics, pharmacodynamics and preliminary antitumor activity of DRP-104 administered via intravenous infusion as a single agent and in combination with atezolizumab in patients with advanced solid tumors and to assess preliminary safety and efficacy in two expansions of patients, advanced non-small cell lung cancer (NSCLC) with defined genetic mutations and advanced squamous cell carcinoma of the head and neck (SCCHN).

Condition or disease Intervention/treatment Phase
Advanced Solid Tumor Non-Small Cell Lung Cancer Recurrent Squamous Cell Carcinoma of Head and Neck Non Small Cell Lung Cancer Metastatic Drug: DRP-104 Biological: atezolizumab Phase 1 Phase 2

Detailed Description:

This study will be conducted in 4 Parts:

Part 1: Phase 1 single-agent dose escalation of DRP-104 in patients with advanced solid tumors to define the MTD (up to approximately 50 patients)

Part 2, Once the MTD of DRP-104 has been declared and includes 3 specific cohorts:

  • Cohort 1: Phase 1 single-agent safety expansion at the of DRP-104 in patients with advanced solid tumors (N=14 patients);
  • Cohort 2: Phase 2a expansion at the of DRP-104 in patients with locally advanced or metastatic NSCLC whose tumors contain a KEAP1 mutation, NFE2L2 mutation and/or STK11 mutation (N=55 patients)
  • Cohort 3: Phase 2a expansion at the MTD of DRP-104 in recurrent, unresectable or metastatic SCCHN (N=15-25 patients).

Part 3: Phase 1 combination dose escalation of DRP-104 and atezolizumab in patients with advanced solid tumors previously treated with an anti-PD-1, anti PD-L1, and/or anti-CTLA-4 antibody, starting one dose level below the MTD of single-agent DRP-104 and in combination with atezolizumab (up to approximately N=12 patients).

Part 4: Phase 1 combination safety expansion at the MTD of DRP-104 with atezolizumab in a similar patient population as the dose-escalation (N=14 patients).

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 160 participants
Allocation: Non-Randomized
Intervention Model: Sequential Assignment
Intervention Model Description: Dose Escalation cohort, followed by Dose Expansion cohort, followed by NSCLC, SCCHN and combination with atezolizumab cohorts.
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Phase 1 and Phase 2a, First-in-human Study of DRP-104, a Glutamine Antagonist, in Adult Patients With Advanced Solid Tumors
Actual Study Start Date : August 31, 2020
Estimated Primary Completion Date : March 2023
Estimated Study Completion Date : July 2023

Resource links provided by the National Library of Medicine


Arm Intervention/treatment
Experimental: Part 1
Single-agent dose escalation of DRP-104 to define the MTD (up to approximately 50 patients) starting at Dose Level 1 of 3.3 mg/m2
Drug: DRP-104
DRP-104 administered intravenously over 1 hour, three times per week (TIW) (Monday, Wednesday, Friday) for 2 consecutive weeks, one week off

Experimental: Part 2

Cohort 1: Phase 1 single-agent safety expansion at the of DRP-104 in patients with advanced solid tumors (N=14 patients);

  • Cohort 2: Phase 2a expansion at the of DRP-104 in patients with locally advanced or metastatic NSCLC whose tumors contain a KEAP1 mutation, NFE2L2 mutation and/or STK11 mutation (N=55 patients)
  • Cohort 3: Phase 2a expansion at the MTD of DRP-104 in recurrent, unresectable or metastatic SCCHN (N=15-25 patients).
Drug: DRP-104
DRP-104 administered intravenously over 1 hour, three times per week (TIW) (Monday, Wednesday, Friday) for 2 consecutive weeks, one week off

Experimental: Part 3
Dose escalation of DRP-104 at 1 dose level below declared MTD in combination with atezolizumab in patients with advanced solid tumors previously treated with an anti-PD-1, anti PD-L1, and/or anti-CTLA-4 antibody (up to approximately (N=12 patients).
Drug: DRP-104
DRP-104 administered intravenously over 1 hour, three times per week (TIW) (Monday, Wednesday, Friday) for 2 consecutive weeks, one week off

Biological: atezolizumab
atezolizumab administered intravenously over 1 hour at 1200 mg once every 3 weeks.

Experimental: Part 4
Dose expansion at the MTD of DRP-104 with atezolizumab (N=14 patients).
Drug: DRP-104
DRP-104 administered intravenously over 1 hour, three times per week (TIW) (Monday, Wednesday, Friday) for 2 consecutive weeks, one week off

Biological: atezolizumab
atezolizumab administered intravenously over 1 hour at 1200 mg once every 3 weeks.




Primary Outcome Measures :
  1. Maximum Tolerated Dose (MTD [ Time Frame: anticipated 1 year ]
    Safety

  2. Area under the plasma concentration versus time curve (AUC) [ Time Frame: anticipated 1 year ]
  3. Cmax of DRP-104 [ Time Frame: anticipated 1 year ]

Secondary Outcome Measures :
  1. Overall Response Rate [ Time Frame: anticipated 2 year ]
  2. Disease control rate [ Time Frame: anticipated 2 year ]
  3. Duration of response [ Time Frame: anticipated 2 year ]
  4. Progression-free survival [ Time Frame: anticipated 2 year ]
  5. Overall survival (OS) [ Time Frame: anticipated 2 year ]


Information from the National Library of Medicine

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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:

  • Diagnosis of advanced or recurrent, histologically or cytologically confirmed, measurable by RECIST 1.1 metastatic or unresectable solid tumor
  • Patient must have progressed on, be intolerant of, decline, or be ineligible for, all available standard of care therapies
  • Part 2: locally advanced or metastatic NSCLC with KEAP1, NFE2L2 and/or STK11 mutation ; Patients must have received at least a platinum doublet chemotherapy and an anti-PD-(L)1 antibody; Received up to 3 lines of systemic anticancer therapy in the recurrent or metastatic setting
  • Part 2: Recurrent, unresectable or metastatic squamous cell carcinoma of the head and neck (SCCHN) (oropharynx, oral cavity, hypopharynx or larynx); Patient must have received platinum containing chemotherapy and antiPD-(L)1 antibody in recurrent or metastatic setting
  • Part 3 and 4 - DRP-104 + atezolizumab Prior exposure to any checkpoint inhibitor (anti-PD-1, anti-PD-L1, anti-PDL2, and/or anti-CTLA-4 antibody)
  • ECOG performance 0 or 1
  • Patient must consent to allow acquisition of existing FFPE tumor tissue; If unavailable, patient must consent to new pre-treatment tumor biopsy
  • All SCCHN patient, all NSCLC patients and all patients treated with combination of DRP-104 and atezolizumab will be required to undergo pre-treatment and post-treatment core or excisional biopsies.
  • Pre-treatment and post-treatment core or excisional biopsies are optional for all remaining patients
  • Adequate baseline organ function as defined by: Absolute neutrophil count ≥ 1.5 × 109/L (1500/µL); Hemoglobin ≥ 9 g/dL ;Platelets ≥ 75 × 109/L (75,000/µL); Hepatic Total bilirubin ≤1.5 × upper limit of normal (ULN): PT/INR and PTT ≤1.5 × ULN, unless treated with warfarin; AST(SGOT)/ALT(SGPT) ≤3 × ULN or ≤ 5 × ULN for patients with liver metastases; Creatinine clearance ≥ 60 ml/min/1.73m2 measured or calculated
  • Cardiac QTc (Fridericia) <470 ms
  • Women of child-bearing potential and men who are sexually active must agree to use one highly effective method of contraception

Exclusion Criteria:

  • Patients with primary central nervous system tumors and hepatocellular carcinoma
  • Patients with progressive or symptomatic brain metastases
  • Leptomeningeal disease
  • Spinal cord compression not definitively treated with surgery and/or radiation
  • Uncontrolled pleural effusion, pericardial effusion, or ascites requiring recurrent drainage
  • Prior glutaminase inhibitor use
  • Prior systemic anticancer treatment (i.e. chemotherapy, biologic therapy, monoclonal antibodies, investigational agents) within 21 days or 5 half-lives, whichever is shorter
  • Anti-androgen therapies for prostate cancer, such as bicalutamide, within 4 weeks prior to enrollment
  • Prior small port palliative radiotherapy within 14 days of start of Cycle 1
  • Any major surgery within 21 days from start of Cycle 1
  • Secondary malignancy that is progressing or has required active treatment within the past 3 years, except basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or carcinoma in situ (e.g. breast carcinoma, cervical cancer in situ) that have undergone potentially curative therapy
  • Has a known history of HIV, or HBV
  • Gastrointestinal (GI) function impairment or GI disease
  • Significant, uncontrolled heart disease and/or cardiac repolarization abnormality
  • Exclusion specific to only Part 3 and 4 (DRP-104 combined with atezolizumab): History of severe allergic, anaphylactic to chimeric or humanized antibodies or fusion proteins; Known hypersensitivity or allergy to biopharmaceuticals produced in Chinese hamster ovary cells; Prior anti-PD-1, anti-PD-L1 and/or anti CTLA4- agent, patient must not have had a serious (> Grade 3) immune-related AE requiring treatment; History of autoimmune disease except hypothyroidism on thyroid replacement hormone therapy; History of idiopathic pulmonary fibrosis, organizing pneumonia (e.g., bronchiolitis obliterans), drug-induced pneumonitis, idiopathic pneumonitis, or evidence of active pneumonitis; Patients with underlying condition requiring systemic corticosteroids (>10 mg daily prednisone equivalents) or other immunosuppressive medications or other systemic immunosuppressant medications may be enrolled in the study after approval by the Medical Monitor; Evidence or history of active or latent tuberculosis infection; Administration of a live, attenuated vaccine within 4 weeks before Cycle 1 Day 1

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): NCT04471415


Contacts
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Contact: Margaret Dugan, MD 973-489-7163 mdugan@dracenpharma.com
Contact: Francois Lafleur, MPH 917-330-3971 FLafleur@dracenpharma.com

Locations
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United States, Arizona
HonorHealth Not yet recruiting
Scottsdale, Arizona, United States, 85258
Principal Investigator: Sunil Sharma, MD         
United States, California
UCLA Not yet recruiting
Los Angeles, California, United States, 90095
Principal Investigator: Aaron Lisberg, MD         
United States, Maryland
Johns Hopkins Kimmel Institute Not yet recruiting
Baltimore, Maryland, United States, 21231
Principal Investigator: Tanguy Siewert, MD         
United States, New York
NYU Langone Not yet recruiting
New York, New York, United States, 10016
Principal Investigator: Vamsidhar Velcheti, MD         
Mount Sinai Health Systems Not yet recruiting
New York, New York, United States, 10029-6574
Principal Investigator: Deborah Doroshow, MD         
United States, North Carolina
University of North Carolina Not yet recruiting
Chapel Hill, North Carolina, United States, 27514
Principal Investigator: Shetal Patel, MD         
United States, Tennessee
Sarah Cannon Research Institute Recruiting
Nashville, Tennessee, United States, 37203
Principal Investigator: Melissa Johnson, MD         
Vanderbilt University Medical Center Not yet recruiting
Nashville, Tennessee, United States, 37232
Principal Investigator: Michael Gibson, MD         
Germany
Centrum fur Integrieerte Onkologie Not yet recruiting
Cologne, Germany, 50924
Contact: MD         
Principal Investigator: Matthias Scheffler, MD         
Sub-Investigator: Jurgen Wolfe, MD         
Sponsors and Collaborators
Dracen Pharmaceuticals, Inc.
Investigators
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Principal Investigator: Sunil Sharma, MD HonorHealth Director
Additional Information:
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Responsible Party: Dracen Pharmaceuticals, Inc.
ClinicalTrials.gov Identifier: NCT04471415    
Other Study ID Numbers: DRA-104-001
First Posted: July 15, 2020    Key Record Dates
Last Update Posted: September 4, 2020
Last Verified: August 2020
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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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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Lung Neoplasms
Carcinoma, Non-Small-Cell Lung
Squamous Cell Carcinoma of Head and Neck
Respiratory Tract Neoplasms
Thoracic Neoplasms
Neoplasms by Site
Neoplasms
Lung Diseases
Respiratory Tract Diseases
Carcinoma, Bronchogenic
Bronchial Neoplasms
Carcinoma, Squamous Cell
Carcinoma
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Head and Neck Neoplasms
Atezolizumab
Antineoplastic Agents