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ADG116 in Combination With Pembrolizumab in Patients With Advanced/Metastatic 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. Identifier: NCT05277402
Recruitment Status : Recruiting
First Posted : March 14, 2022
Last Update Posted : April 4, 2022
Merck Sharp & Dohme LLC
Information provided by (Responsible Party):
Adagene Inc

Brief Summary:
This is a Phase 1b, open-label, dose escalation study to evaluate the safety, tolerability, PK, and immunogenicity of an ADG116-pembrolizumab combination regimen in patients with advanced/metastatic solid tumors. Study drug ADG116, is an anti -CTLA-4 fully human monoclonal antibody that specifically binds to human CTLA-4. Pembrolizumab is a PD-1 receptor-blocking antibody (a humanized IgG4 monoclonal antibody) which is indicated for the treatment of patients across a number of indications. The treatment strategy of using anti-PD 1 therapy combined with anti-CTLA-4 therapy is to explore the potential of combination checkpoint inhibition regimens for the enhanced antitumor efficacy results.

Condition or disease Intervention/treatment Phase
Advanced/Metastatic Solid Tumors Drug: ADG116 Phase 1

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 12 participants
Allocation: N/A
Intervention Model: Sequential Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 1b, Open-Label, Dose Escalation Study of ADG116 in Combination With Pembrolizumab (Anti-PD-1 Antibody) in Patients With Advanced/Metastatic Solid Tumors
Actual Study Start Date : February 9, 2022
Estimated Primary Completion Date : December 30, 2022
Estimated Study Completion Date : December 30, 2022

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: Dose escalation
ADG116 combination treatment with pembrolizumab, both drugs will be administered in each cohort.
Drug: ADG116
IV infusion
Other Name: Pembrolizumab

Primary Outcome Measures :
  1. Dose-limiting toxicity (DLT) and RP2D of ADG116 in combination with pembrolizumab. [ Time Frame: 9 months ]
    Number of participants experiencing dose-limiting toxicities escalating dose levels in adults with advanced / metastatic solid tumor

  2. The safety and tolerability of ADG116 in combination with pembrolizumab [ Time Frame: 9 month ]
    Number of participants with adverse events as assessed by CTCAE v5.0

Secondary Outcome Measures :
  1. Pharmacokinetic (PK) profile/parameters [ Time Frame: 9 Months ]
    Area under the time concentration curve (AUC) from time zero to infinity (AUC0-inf)

  2. Maximum (peak) plasma concentration (Cmax) [ Time Frame: 9 months ]
    Maximum (peak) plasma concentration (Cmax)

  3. Time to maximum (peak) concentration (Tmax) [ Time Frame: 9 month ]
    Time to maximum (peak) concentration (Tmax) Time to maximum (peak) concentration (Tmax)

  4. Trough concentration (Ctrough) [ Time Frame: 9 months ]
    Trough concentration (Ctrough)

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

Inclusion Criteria:

  • Patients must meet all of the following inclusion criteria to be eligible for participation in this study:

    1. ≥ 18 years of age at the time of informed consent.
    2. Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1 with no deterioration over the previous 2 weeks.
    3. Patients with advanced or metastatic solid tumors, histologically or pathologically confirmed, who have progressed after all standard therapies, or for whom no further standard therapy exists. Patients who have declined standard therapy or have no access to standard therapy may be enrolled and the reasons for lack of access need to be documented.
    4. Patients should have at least 1 measurable lesion at baseline according to the definition of RECIST v1.1. Lesions situated in a previously irradiated area are considered measurable if progression has been demonstrated in such lesions.
    5. Patients previously treated with anti-CTLA 4 checkpoint inhibitors or anti programmed cell death 1 (PD-1)/L1 will also be recruited if they meet all eligibility criteria. For anti-PD-1/L1 patients, patients must have progressed on treatment with an anti PD 1/L1 monoclonal antibody (mAb) administered either as monotherapy, or in combination with other checkpoint inhibitors or other therapies. Anti PD-1/L1 treatment progression is defined by meeting all of the following criteria:

      1. Has received at least 2 doses of an approved anti-PD-1/L1 mAb.
      2. Has demonstrated disease progression (PD) after PD-1/L1 as defined by RECIST v1.1. The initial evidence of PD is to be confirmed by a second assessment no less than 4 weeks from the date of the first documented PD, in the absence of rapid clinical progression.
      3. Progressive disease has been documented within 12 weeks from the last dose of anti-PD-1/L1 mAb.

      i. Progressive disease is determined according to iRECIST. ii. This determination is made by the Investigator. Once PD is confirmed, the initial date of PD documentation will be considered the date of disease progression.

    6. Adequate hematologic function, defined by the following:

      1. Absolute neutrophil count (ANC) ≥ 1.5 × 109/L, without the use of granulocyte colony stimulating factor such as filgrastim within 2 weeks prior to study treatment.
      2. Platelet count ≥ 100 × 109/L without transfusion within 2 weeks (≤ 14 days) prior to study treatment.
      3. Hemoglobin ≥ 9 g/dL without transfusion or erythropoietin within 2 weeks (≤ 14 days) prior to study treatment.
    7. Aspartate transaminase (AST) and alanine aminotransferase (ALT) ≤ 2.5 × upper limit of normal (ULN), and total bilirubin ≤ 1.5 × ULN. Exceptions: Patients who have serum bilirubin increases due to documented underlying Gilbert's Syndrome or familial benign unconjugated hyperbilirubinemia may be enrolled. Patients with known liver metastases or patients with hepatocellular carcinoma may be enrolled with AST, ALT, and/or total bilirubin ≤ 5 × the ULN.
    8. Adequate renal function defined by either a creatinine clearance ≥ 45 mL/min (by Cockcroft-Gault formula) or serum creatinine (SCr) ≤ 1.5 × ULN
    9. Coagulation tests, defined by the following:

      1. Activated partial thromboplastin time (aPTT) ≤ 1.5 × ULN.
      2. International normalized ratio (INR) ≤ 1.5 × ULN. Exception: INR 2 to ≤ 3 × ULN is acceptable for patients on Warfarin anticoagulation.
    10. Left ventricular ejection fraction (LVEF) ≥ 50% measured by multiple-gated acquisition (MUGA) or echocardiogram (ECHO.).
    11. Previous antitumor therapy (including endocrine, chemoradiotherapy/ radiotherapy, targeted therapy, or immunotherapy) that has ended at least 4 weeks prior to administration of ADG116. Focal radiation therapy for symptom relief must have been completed at least 2 weeks prior to the first dose of ADG116. Participants must have recovered from all radiation-related toxicities, not require corticosteroids, and not have had radiation pneumonitis. A 1-week washout is permitted for palliative radiation (≤ 2 weeks of radiotherapy) to non-CNS disease. Exception: hormonal therapy for prostate cancer is allowed (Section 6.7).
    12. Previous AEs have been improved to baseline or Grade ≤ 1 NCI CTCAE v5.0 (except for patients with alopecia). Participants with Grade ≤ 2 neuropathy may be eligible. Participants with endocrine-related AEs Grade ≤ 2 requiring treatment or hormone replacement may be eligible.

Exclusion Criteria:

  • Patients who meet any of the following criteria cannot be enrolled:

    1. Pregnant or breastfeeding females.
    2. Females of childbearing potential and males whose partners are of childbearing potential who do not agree to the use of 2 forms of highly effective contraception during the treatment period and for 6 months after the last dose of study drug.
    3. Treatment with any investigational drug within 4 weeks prior to the first dose of study drug.
    4. Grade ≥ 3 immune-related AEs (irAEs) or irAE that lead to discontinuation of prior immunotherapy.
    5. Has known active CNS metastases and/or carcinomatous meningitis. Participants with previously treated brain metastases may participate provided they are radiologically stable, i.e., without evidence of progression for at least 4 weeks by repeat imaging (note that the repeat imaging should be performed during study screening), clinically stable and without requirement of steroid treatment for at least 14 days prior to first dose of study treatment.
    6. History of severe hypersensitivity (Grade ≥ 3) or known to be allergic to protein drugs or recombinant proteins or any ingredients contained in the ADG116 or pembrolizumab drug formulation.
    7. Has an active autoimmune disease that has required systemic treatment in past 2 years (i.e., with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency) is not considered a form of systemic treatment and is allowed.
    8. Patients requiring systemic treatment with corticosteroids (>10 mg/day prednisone or equivalent) or other immunosuppressive medications within 21 days before the planned first dose of study drug. Ophthalmologic, nasal, inhaled and intra-articular injections of steroids are allowed.
    9. Patients receiving granulocyte colony stimulating factor (G-CSF), granulocyte macrophage colony stimulating factor (GM-CSF), erythropoietin, or blood (red blood cell [RBC] or platelet) transfusion within 14 days prior to the first dose of the study drug.
    10. Any evidence of underlying liver dysfunction due to other causes; Any history of significant alcohol abuse, alcoholic or drug-induced hepatitis, or documented nonalcoholic steatohepatitis.
    11. Active viral (any etiology) hepatitis patients are excluded. Hepatitis B virus (HBV) carriers are ineligible. Cured Hepatitis C (HCV) (negative HCV ribonucleic acid [RNA] test) patients may be enrolled after consulting with the Medical Monitor.
    12. Any uncontrolled active infections requiring systemic antimicrobial treatment (viral, bacterial, or other), or uncontrolled or poorly controlled diabetes as evidenced by Screening (baseline) HbA1c≥ 7.5, asthma, chronic obstructive pulmonary disease (COPD), or other conditions that pose a risk to the patient participating on study.
    13. Has a known history of HIV infection.
    14. Patients with any type of primary immunodeficiency or autoimmune disorder requiring treatment.
    15. Major surgery within 4 weeks prior to the first dose of the study drug.
    16. Has had an allogeneic tissue/solid organ transplant.
    17. Clinically significant cardiac conditions, including myocardial infarction within the last 6 months, uncontrolled angina, viral myocarditis, pericarditis, cerebrovascular accident, or other acute uncontrolled heart disease <3 months prior to the first dose of the study drug; LVEF <50%, New York Heart Association (NYHA) Class III or IV congestive heart failure, or uncontrolled hypertension.
    18. Patients with underlying hemoglobinopathies (e.g., thalassemia) will be excluded.
    19. Pulmonary embolism or deep vein thrombosis within 3 months prior to the first dose of study drug.
    20. Has received a COVID-19 vaccine within 7 days prior to the first dose of study treatment. Has received any other live or live-attenuated vaccine within 30 days prior to the first dose of study treatment. Note: Administration of killed vaccines are allowed.
    21. Has received a positive COVID-19 test within 14 days of Cycle 1 Day 1.
    22. Has a history of (non-infectious) pneumonitis / interstitial lung disease that required steroids or has current pneumonitis / interstitial lung disease.
    23. Any known, documented, or suspected history of illicit substance abuse.
    24. Any other disease or clinically significant abnormality in laboratory parameters, including serious medical or psychiatric illness/condition, which in the judgment of the Investigator might compromise the safety of the patient or integrity of the study, interfere with the patient participation in the trial or compromise the trial objectives.

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 identifier (NCT number): NCT05277402

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Contact: Kristine She, MS 408-838-9296
Contact: Jiping Zha, MD 650-358-9002

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United States, North Carolina
Carolina BioOncology Institute Recruiting
Huntersville, North Carolina, United States, 28078
Contact: Ashley McClain         
United States, Texas
Next Oncology Recruiting
San Antonio, Texas, United States, 78229
Contact: Anthony Tolcher, MD         
Sponsors and Collaborators
Adagene Inc
Merck Sharp & Dohme LLC
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Study Chair: Jiping Zha, MD Adagene Inc
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Responsible Party: Adagene Inc Identifier: NCT05277402    
Other Study ID Numbers: ADG116-P001
KEYNOTE-C97 ( Other Identifier: (Other Identifier: Merck) )
First Posted: March 14, 2022    Key Record Dates
Last Update Posted: April 4, 2022
Last Verified: March 2022
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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Antineoplastic Agents, Immunological
Antineoplastic Agents