Status Approved
First Submitted Date
2022/09/07
Registered Date
2022/09/29
Last Updated Date
2022/09/07
CRIS Required
WHO ICTRP (International Clinical Trial Registry Platform) Required
1. Background
CRIS Registration Number |
KCT0007745 |
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Unique Protocol ID | 4-2022-0713 |
Public/Brief Title | Vactosertib in combination with pembrolizumab in acral and mucosal melanoma |
Scientific Title | A phase II multicenter study to assess the antitumor activity of vactosertib in combination with pembrolizumab in acral and mucosal melanoma patients progressed from prior immune check point inhibitor) |
Acronym | |
MFDS Regulated Study | Yes |
IND/IDE Protocol | No |
Registered at Other Registry | No |
Healthcare Benefit Approval Status | Submitted pending |
2. Institutional Review Board / Ethics Committee
Board Approval Status | Submitted approval |
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Board Approval Number | 4-2022-0713 |
Approval Date | 2022-07-19 |
Institutional Review Board Name | Yonsei University Health system, Severance Hospital, Institutional Review Board |
Institutional Review Board Address | 50-1, Yonsei-ro, Seodaemun-gu, Seoul |
Institutional Review Board Telephone | 02-2228-0430 |
Data Monitoring Committee | No |
3. Contact Details
Contact Person for Principal Investigator / Scientific Queries | |
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Name | Minkyu Jung |
Title | Assistant Professor |
Telephone | +82-2-2228-8128 |
Affiliation | Yonsei University Health System, Severance Hospital |
Address | 50-1, Yonsei-ro, Seodaemun-gu, Seoul |
Contact Person for Public Queries | |
Name | Minkyu Jung |
Title | Assistant Professor |
Telephone | +82-2-2228-8128 |
Affiliation | Yonsei University Health System, Severance Hospital |
Address | 50-1, Yonsei-ro, Seodaemun-gu, Seoul |
Contact Person for Updating Information | |
Name | Hyeyoon Lee |
Title | CRC |
Telephone | +82-2-2228-0557 |
Affiliation | Yonsei University Health System, Severance Hospital |
Address | 50-1 Yonsei-ro, Seodaemun-gu, Seoul |
4. Status
Study Site | Single | |
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Overall Recruitment Status | Not yet recruiting | |
Date of First Enrollment | 2022-10-03 Anticipated | |
Target Number of Participant | 30 | |
Primary Completion Date | 2024-07-18 , Anticipated | |
Study Completion Date | 2024-07-18 , Anticipated | |
Recruitment Status by Participating Study Site 1 | ||
Name of Study | Yonsei University Health System, Severance Hospital | |
Recruitment Status | Not yet recruiting | |
Date of First Enrollment | 2022-10-03 , |
5. Source of Monetary / Material Support
1. Source of Monetary/Material Support | |
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Organization Name | MSD Korea |
Organization Type | Pharmaceutical Company |
Project ID |
6. Sponsor Organization
1. Sponsor Organization | |
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Organization Name | Yonsei University Health System, Severance Hospital |
Organization Type | Medical Institute |
7. Study Summary
Lay Summary | This trial is a multicenter, single arm study of efficacy of vactosertib in combination with pembrolizumab in advanced acral or mucosal melanoma patients progressed prior treatment including immunotherapy or targeted therapy and chemotherapy. This trial will be conducted though Korean Cancer Study Group (KCSG). The KCSG is responsible for the project management of the trial. Patient recruitment will take at 4 institutions. Immunotherapy is an important systemic treatment modality for metastatic melanoma.The available data suggest that anti-PD-1 monotherapy can produce durable treatment-free responses in approximately 20 to 35 percent of patients. Nevertheless, more than half of patients either do not response to anti-PD-1 or progress eventually because of primary or acquired resistance to anti-PD-1. Especially, the efficacy of immunotherapy is lower in acral or mucosal melanoma than non-acral cutaneous melanoma. In a recent publication, lack of response from anti-PD-L1 was associated with a signature of TGF-β signaling in fibroblasts. Vactosertib (INN name; also known as TEW-7197, EW-7197) is a potent, highly selective, oral inhibitor of TGF-β receptor type 1. Preclinical studies in murine models indicated that anti-PD-L1 antibody and vactosertib had improved anti-tumor activity compared with either an anti–PD-L1 antibody or vactosertib alone, and extended survival. Furthermore, in a poorly immunogenic murine melanoma model, vactosertib overcame resistance to anti-PD-1 antibody due to induction of TGF-β response gene signature (TBRS) and improved anti-tumor response with increased CD8+ T-cells. In a phase Ib/2a study of vactosertib in combination with pembrolizumab (NCT 03724851), a preliminary clinical efficacy data showed a promising antitumor activity in patients with microsatellite-stable colorectal cancer; clinical benefit rate (iRECIST iPR or durable PFS > 24 weeks) was 33.3% including 3 PR and 1 iPR patients in efficacy evaluable patients. The combination of vactosertib and pembrolizumab had an acceptable tolerability with a manageable safety profile without any cardiac toxicities. Expression levels of cytotoxic tumor infiltrating lymphocytes in patient samples were shown to increase after the combination treatment (SITC2020, #332). Participants will be treated for up to 35 cycles (approximately 2 years) after initiation of treatment with intravenous 200mg of pembrolizumab every 3 weeks in combination with vactosertib. Vactosertib will be given orally for 200mg, bid for 5 days (from Mon. to Fri.) per week. This study will use ORR based on RECIST 1.1 and modified RECIST 1.1 (immune related RECIST) criteria as the primary endpoint and the tumor assessment will be done every 6 weeks. Secondary endpoints are DCR, PFS, OS, and safeties. Exploratory biomarkers predictive biomarker candidates (e.g., level of PD-L1 tumor expression, EMT marker, PD-L1, TGF-β RII, and pSMAD2) in tumor tissue and ctDNA in blood will be investigated in both pre-treatment and post-treatment periods. |
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8. Study Design
Study Type | Interventional Study |
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Study Purpose | Treatment |
Phase | Phase2 |
Intervention Model | Single Group |
Blinding/Masking | Open |
Allocation | Not Applicable |
Intervention Type | Drug |
Intervention Description | Participants will be treated for up to 35 cycles (approximately 2 years) after initiation of treatment with intravenous 200mg of pembrolizumab every 3 weeks in combination with vactosertib. Vactosertib will be given orally for 200mg, bid for 5 days (from Mon. to Fri.) per week. |
Number of Arms | 1 |
Arm 1 |
Arm Label vactosertib in combination with pembrolizumab |
Target Number of Participant 30 |
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Arm Type Experimental |
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Arm Description Participants will be treated for up to 35 cycles (approximately 2 years) after initiation of treatment with intravenous 200mg of pembrolizumab every 3 weeks in combination with vactosertib. Vactosertib will be given orally for 200mg, bid for 5 days (from Mon. to Fri.) per week. |
9. Subject Eligibility
Condition(s)/Problem(s) |
* (C00-D48)Neoplasms (C43.9)Malignant melanoma of skin, unspecified melanoma |
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Rare Disease | No |
Inclusion Criteria |
Gender Both |
Age 19Year~No Limit |
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Description 1. Male/female participants who are at least 18 years of age on the day of signing informed consent with histologically confirmed diagnosis of acral or mucosal melanoma with stage IV or unresectable stage III diseasewill be enrolled in this study. 2. Have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1.Evaluation of ECOG is to be performed within 7 days prior to the first dose of study intervention 3. Have progressed after at least one line of therapy which must include anti-PD-1 (and/or anti-CTLA4) treatment for metastatic melanoma. a. patients with actionable BRAF mutation must also have been treated with appropriate targeted therapy (BRAF inhibitor and/or RAF inhibitor), b. patient treated with chemotherapy can be enrolled 4. Participants must have progressed on treatment with an anti-PD-1/L1 mAb administered either as monotherapy or in combination with other checkpoint inhibitors or other therapies. PD-1 treatment progression is defined by meeting all of the following criteria: a. Has received at least 2 doses of an approved anti-PD-1/L1 mAb. b. Has demonstrated disease progression after anti-PD-1/L1 as defined by RECIST v1.1. 5. c. Progressive disease has been documented within 12 weeks from the last dose of anti-PD-1/L1 mAb. Patients must be able to swallow tablets and absorb vactosertib. 6. Life expectancy > 3 months 7. Patients with CNS metastasis must have stable neurologic function without evidence of CNS progression within 8 weeks (i.e., patients with controlled, asymptomatic or with resected CNS metastases with no radiological evidence of disease) 8. Have measurable disease based on RECIST 1.1. Lesions situated in a previously irradiated area are considered measurable if progression has been demonstrated in such lesions. 9. Male participants: A male participant must agree to use a contraception as detailed in Appendix 3 of this protocol during the treatment period and for at least [120 days, corresponding to time needed to eliminate any study treatment(s) (e.g. 5 terminal half-lives for pembrolizumab and/or any active comparator/combination) plus an additional 90 days (a spermatogenesis cycle) for study treatments with evidence of genotoxicity at any dose] after the last dose of study treatment and refrain from donating sperm during this period. Female participants: A male participant must agree to use a contraception as detailed in Appendix 3 of this protocol during the treatment period and for at least 120 days 10. A female participant is eligible to participate if she is not pregnant (see Appendix 3), not breastfeeding, and at least one of the following conditions applies: 4. Not a woman of childbearing potential (WOCBP) as defined in Appendix 3 OR b. A WOCBP who agrees to follow the contraceptive guidance in Appendix 3 during the treatment period and for at least 120 days (corresponding to time needed to eliminate any study treatments (pembrolizumab and vactosertib) plus 30 days (a menstruation cycle) for study treatments with risk of genotoxicity after the last dose of study treatment. 11. The participant (or legally acceptable representative if applicable) provides written informed consent for the trial. 12. Have adequate organ function as defined as following. Specimens must be collected within 10 days prior to the start of study intervention. - Absolute neutrophil count (ANC)≥1500/µL - Platelets≥100 000/µL - Hemoglobin≥9.0 g/dL or ≥5.6 mmol/La - Creatinine OR Measured or calculatedb creatinine clearance(GFR can also be used in place of creatinine or CrCl)≤1.5 × ULN OR ≥30 mL/min for participant with creatinine levels >1.5 × institutional ULN - Total bilirubin≤1.5 ×ULN OR direct bilirubin ≤ULN for participants with total bilirubin levels >1.5 × ULN - AST (SGOT) and ALT (SGPT)≤2.5 × ULN (≤5 × ULN for participants with liver metastases) - International normalized ratio (INR) OR prothrombin time (PT), Activated partial thromboplastin time (aPTT) ≤1.5 × ULN unless participant is receiving anticoagulant therapy as long as PT or aPTT is within therapeutic range of intended use of anticoagulants |
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Exclusion Criteria |
1. A WOCBP who has a positive urine pregnancy test within 72 hours prior to [randomization/allocation] (see Appendix 3). If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required. 2. Has received prior radiotherapy within 2 weeks of start of study intervention. 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. 3. Has received a live vaccine or live-attenuated vaccine within 30 days prior to the first dose of study drug. Administration of killed vaccines is allowed. 4. Is currently participating in or has participated in a study of an investigational agent or has used an investigational device within 4 weeks prior to the first dose of study intervention. 5. Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosing exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy within 7 days prior to the first dose of study drug. 6. Has a known additional malignancy that is progressing or has required active treatment within the past 3 years. Participants with basal cell carcinoma of the skin, squamous cell carcinoma of the skin or carcinoma in situ, excluding carcinoma in situ of the bladder, that have undergone potentially curative therapy are not excluded. 7. 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 intervention. 8. Has severe hypersensitivity (≥Grade 3) to pembrolizumab and/or any of its excipients. 9. Has active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (eg., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment and is allowed. 10. Has a history of (non-infectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease. 11. Has an active infection requiring systemic therapy. 12. Concurrent active Hepatitis B (defined as HBsAG positive and/or detectable HBV DNA) and Hepatitis C virus (defined as anti-HCV Ab positive and detectable HCV RNA) infection. Note: no testing for Hepatitis B and Hepatitis C is required unless mandated by local health authority. 13. Has a history or current evidence of any condition, therapy, or laboratory abnormality or other circumstance that might confound the results of the study, interfere with the participant’s participation for the full duration of the study, such that it is not in the best interest of the participant to participate, in the opinion of the treating investigator. 14. Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial. 15. Is pregnant or breastfeeding or expecting to conceive or father children within the projected duration of the study, starting with the screening visit through 120 days after the last dose of trial treatment. 16. Has had an allogenic tissue/solid organ transplant. 17. Patients treated with co-administration of a strong CYP3A4 inducers (e.g. rifampin, phenytoin, carbamazepine, phenobarbital, and St. John’s Wort) or inhibitors (e.g. clarithromycin, grapefruit juice, itraconazole, ketoconazole, posaconazole, telithromycin, and voriconazole) 18. Demonstrates a QTc interval >450 ms for men or >470 ms for women, or has known history of congenital QT-prolongation or Torsade de pointes (TdP) |
Healthy Volunteers | No |
10. Outcome Measure(s)
Type of Primary Outcome | Efficacy | |
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Primary Outcome(s) 1 | ||
Outcome | overall response rate (ORR) |
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Timepoint | Primary analysis is planned at approximately 6 months after the first dose of last enrolled patient, after study termination, or at study completion decided by Principal Investigator, whichever occurs first. |
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Secondary Outcome(s) 1 | ||
Outcome | overall survival, OS |
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Timepoint | Primary analysis is planned at approximately 6 months after the first dose of last enrolled patient, after study termination, or at study completion decided by Principal Investigator, whichever occurs first. |
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Secondary Outcome(s) 2 | ||
Outcome | progression-free survival, PFS |
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Timepoint | Primary analysis is planned at approximately 6 months after the first dose of last enrolled patient, after study termination, or at study completion decided by Principal Investigator, whichever occurs first. |
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Secondary Outcome(s) 3 | ||
Outcome | duration of response, DOR |
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Timepoint | Primary analysis is planned at approximately 6 months after the first dose of last enrolled patient, after study termination, or at study completion decided by Principal Investigator, whichever occurs first. |
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Secondary Outcome(s) 4 | ||
Outcome | Disease Control Rate, DCR |
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Timepoint | Primary analysis is planned at approximately 6 months after the first dose of last enrolled patient, after study termination, or at study completion decided by Principal Investigator, whichever occurs first. |
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Secondary Outcome(s) 5 | ||
Outcome | Safety Analysis Set |
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Timepoint | Primary analysis is planned at approximately 6 months after the first dose of last enrolled patient, after study termination, or at study completion decided by Principal Investigator, whichever occurs first. |
11. Study Results and Publication
Result Registered | No |
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12. Sharing of Study Data(Deidentified Individual-Patient Data, IPD)
Sharing Statement | No |
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