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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT04303169
Other study ID # 3475-02C
Secondary ID MK-3475-02CKEYMA
Status Active, not recruiting
Phase Phase 1/Phase 2
First received
Last updated
Start date June 26, 2020
Est. completion date April 3, 2030

Study information

Verified date January 2024
Source Merck Sharp & Dohme LLC
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Substudy 02C is part of a larger research study that is testing experimental treatments for melanoma, a type of skin cancer. The larger study is the umbrella study. The goal of substudy 02C is to evaluate the safety and efficacy of investigational treatment arms in participants with Stage III melanoma who are candidates for neoadjuvant therapy to identify the investigational agent(s) that, when used in combination, are superior to the current treatment options/historical control available. Arm 1: Pembrolizumab + Vibostolimab, Arm 2: Pembrolizumab + Gebasaxturev, and Arm 3: Pembrolizumab were added in the base protocol on 13-Nov-2019, and enrollment into those arms has been completed. Arm 4: Pembrolizumab + MK-4830 was added in Amendment 04 on 20-Dec-2021, and enrollment into that arm has been completed. Arm 5: Favezelimab + Pembrolizumab and Arm 6: Pembrolizumab + all-trans retinoic acid (ATRA) were added in Amendment 06 on 25-Jun-2022, and enrollment is ongoing.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 90
Est. completion date April 3, 2030
Est. primary completion date April 3, 2030
Accepts healthy volunteers No
Gender All
Age group 18 Years to 120 Years
Eligibility Inclusion Criteria: - Has histologically or cytologically confirmed melanoma - Has clinically detectable and resectable Stage IIIB or IIIC or IIID melanoma amenable to surgery - Has been untreated for Stage IIIB, IIIC or IIID melanoma - surgical resection of primary melanoma is allowed - prior radiotherapy to the primary melanoma is allowed - Has provided a baseline tumor biopsy - Male participants who receive gebasaxturev are abstinent from heterosexual intercourse or agree to use contraception during the intervention period and for at least 120 days after the last dose of gebasaxturev - Male participants who receive ATRA are abstinent from heterosexual intercourse or agree to use contraception during the intervention period and for at least 7 days after the last dose of ATRA - Female participants are not pregnant or breastfeeding and are either not a woman of child-bearing potential (WOCBP) OR use a contraceptive method that is highly effective or are abstinent from heterosexual intercourse during the intervention period and for at least 120 days after the last dose of pembrolizumab, vibostolimab, gebasaxturev, or MK-4830, favezelimab + pembrolizumab, or 30 days after the last dose of ATRA, whichever occurs last - Has adequate organ function - Has resolution of toxic effect(s) of the most recent prior therapy to Grade 1 or less (except alopecia) Exclusion Criteria: - Has a diagnosis of immunodeficiency or is receiving immunosuppressive therapy within 7 days before the first dose of study intervention - Has a known additional malignancy that is progressing or requires active treatment within the past 2 years - Has known central nervous system (CNS) metastases and/or carcinomatous meningitis - Has ocular or mucosal melanoma - Has known hypersensitivity including previous clinically significant hypersensitivity reaction to treatment with another monoclonal antibody (mAb) - Has an active autoimmune disease that has required systemic treatment in the past 2 years - Has an active infection requiring systemic therapy - Has known history of human immunodeficiency virus (HIV) - Has known history of hepatitis B - Has a history of (noninfectious) pneumonitis - Has a history of active tuberculosis (TB) - Has received prior systemic anticancer therapy within 4 weeks prior to randomization - Has received prior radiotherapy within 2 weeks of first dose of study intervention - Has had major surgery <3 weeks prior to first dose of study intervention - Has received a live or live-attenuated vaccine within 30 days before the first dose of study intervention - Has participated in a study of an investigational agent within 4 weeks prior to the first dose of study intervention - Has had an allogeneic tissue/solid organ transplant - Has only mucosal lesions - Is not naïve to Talimogene laherparepvec (TVEC) and other oncolytic viruses

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
Pembrolizumab
Administered via IV infusion at a specified dose on specified days
Vibostolimab
Administered via IV infusion at a specified dose on specified days
Gebasaxturev
Administered via IT injection at a specified dose on specified days
MK-4830
Administered via IV infusion at a specified dose on specified days
Favezelimab + Pembrolizumab
Administered via IV infusion at a specified dose on specified days
Drug:
ATRA
Administered via oral capsules at a specified dose on specified days

Locations

Country Name City State
Australia Fiona Stanley Hospital ( Site 3401) Murdoch Western Australia
Australia Tasman Oncology Research Pty Ltd ( Site 3403) Southport Queensland
Australia Melanoma Institute Australia ( Site 3402) Wollstonecraft New South Wales
France Hopital La Timone ( Site 3103) Marseille Bouches-du-Rhone
France A.P.H. Paris, Hopital Saint Louis ( Site 3107) Paris
France Centre Hospitalier Lyon Sud ( Site 3102) Pierre Benite Rhone
France Institut Claudius Regaud ( Site 3105) Toulouse cedex 9 Haute-Garonne
France Gustave Roussy ( Site 3101) Villejuif Ile-de-France
Israel HaEmek Medical Center ( Site 3703) Afula
Israel Rambam Health Care Campus-Oncology ( Site 3704) Haifa
Israel Hadassah Ein Karem Jerusalem ( Site 3702) Jerusalem
Israel Rabin Medical Center-Oncology ( Site 3705) Petah-Tikva
Israel Chaim Sheba Medical Center ( Site 3701) Ramat Gan
Italy Istituto Europeo di Oncologia ( Site 3301) Milano
Italy Policlinico Le Scotte - A.O. Senese ( Site 3377) Siena
Switzerland Hôpitaux Universitaires de Genève (HUG)-Oncology ( Site 3603) Genève Geneve
Switzerland CHUV Centre Hospitalier Universitaire Vaudois ( Site 3602) Lausanne Vaud
Switzerland Universitaetsspital Zuerich ( Site 3601) Zuerich Flughafen Zurich
United States University of Colorado, Anschutz Cancer Pavilion ( Site 3012) Aurora Colorado
United States Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins ( Site 3022) Baltimore Maryland
United States Martha Morehouse Tower ( Site 3020) Columbus Ohio
United States Duke Cancer Institute ( Site 3005) Durham North Carolina
United States Inova Schar Cancer Institute ( Site 3011) Fairfax Virginia
United States West Cancer Center - East Campus ( Site 3014) Germantown Tennessee
United States The Angeles Clinic and Research Institute ( Site 3009) Los Angeles California
United States NYU Clinical Cancer Center ( Site 3002) New York New York
United States University of Pennsylvania Abramson Cancer Center ( Site 3008) Philadelphia Pennsylvania
United States Oregon Health & Science University ( Site 3013) Portland Oregon
United States Providence Saint John's Health Center ( Site 3010) Santa Monica California

Sponsors (1)

Lead Sponsor Collaborator
Merck Sharp & Dohme LLC

Countries where clinical trial is conducted

United States,  Australia,  France,  Israel,  Italy,  Switzerland, 

Outcome

Type Measure Description Time frame Safety issue
Primary Percentage of participants who experience an adverse event (AE) An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The percentage of participants who experience an AE will be reported. Up to ~16 months
Primary Percentage of participants who discontinue study treatment due to an AE An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The percentage of participants who discontinue study treatment due to an AE will be reported. Up to ~12 months
Primary Pathological complete response (pCR) rate pCR rate is defined as the proportion of participants with complete absence of viable tumor in the treated tumor bed. Assessments are according to Response Evaluation Criteria in Solid Tumors 1.1 (RECIST 1.1) by central review of the pathology results. RECIST 1.1 has been modified for this study to include a maximum of 10 target lesions and a maximum of 5 target lesions per organ. Up to ~1.5 months
Secondary Near pathological complete response (near pCR) rate Near pCR is defined as the proportion of participants with >0% but =10% of viable tumor cells in the treated tumor bed. Assessments are according to RECIST 1.1 by central review of the pathology results. RECIST 1.1 has been modified for this study to include a maximum of 10 target lesions and a maximum of 5 target lesions per organ. Up to ~1.5 months
Secondary Pathological partial response (pPR) rate pPR rate is defined as the proportion of participants with >10% but =50% of the treated tumor bed occupied by viable tumor cells. Assessments are according to RECIST 1.1 by central review of the pathology results. RECIST 1.1 has been modified for this study to include a maximum of 10 target lesions and a maximum of 5 target lesions per organ. Up to ~1.5 months
Secondary Recurrence-free survival (RFS) RFS is defined as the time from the date of surgery to (1) any recurrence (local, regional, or distant) as assessed by the investigator or (2) death due to any cause (both cancer and noncancer causes of death). Assessments are according to RECIST 1.1 which has been modified for this study to include a maximum of 10 target lesions and a maximum of 5 target lesions per organ. Up to ~60 months
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