Efficacy and Safety of Pembrolizumab in Combination With Lenvatinib in Metastatic Uveal MElanoma Patients (PLUME) (PLUME)

  • STATUS
    Recruiting
  • End date
    Sep 30, 2026
  • participants needed
    54
  • sponsor
    Institut Curie
Updated on 4 October 2022

Summary

Because we suspect that the benefit of anti-PD-1 in metastatic UM patients could vary according to previous exposure to Tebentafusp (better efficacy of anti-PD-1 after Tebentafusp), the combination of pembrolizumab and lenvatinib will be assessed in two independent cohorts: cohort 1 with Tebentafusp-naive patients, and cohort 2 with patients previously treated by Tebentafusp.

The study is a monocentric, phase II trial with a single-arm of treatment in each cohort.

Liver MRI and chest-abdomen-pelvis CT will be performed every 9 weeks until progressive disease (PD), followed by a Follow-up visit within 28 days after last treatment intake. Survival status will be registered after patient discontinuation.

Description

After a screening phase of up to 28 days, each participant will receive assigned study intervention of pembrolizumab (maximum of 35 cycles) plus lenvatinib until reaching a discontinuation criterion including disease progression.

Because we suspect that the benefit of anti-PD-1 in metastatic UM patients could vary according to previous exposure to Tebentafusp (better efficacy of anti-PD-1 after Tebentafusp), the combination of pembrolizumab and lenvatinib will be assessed in two independent cohorts: cohort 1 with Tebentafusp-naive patients, and cohort 2 with patients previously treated by Tebentafusp.

The study is a monocentric, phase II trial with a single-arm of treatment in each cohort.

Liver MRI and chest-abdomen-pelvis CT will be performed every 9 weeks until progressive disease (PD), followed by a Follow-up visit within 28 days after last treatment intake. Survival status will be registered after patient discontinuation.

Participants who discontinue for reasons other than radiographic PD will have post-treatment follow-up imaging for disease status until (i) PD is documented radiographically per RECIST 1.1, or (ii) a non-study anticancer treatment is initiated, or (iii) consent is withdrawn, or (iv) the participant becomes lost to follow-up.

Lenvatinib will not be stopped for complete response (CR); participants should remain on lenvatinib until the discontinuation criterion are met.

All participants will be followed for OS until death, withdrawal of consent, loss to follow-up, or the end of the study. The survival status of all the participants will be collected at the date of the Last Visit of the Last Patient.

Exploratory research on biomarkers of response or resistance will also be conducted.

Details
Condition Metastatic Uveal Melanoma
Treatment Pembrolizumab 25 MG/1 ML Intravenous Solution
Clinical Study IdentifierNCT05282901
SponsorInstitut Curie
Last Modified on4 October 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Male/female participants who are at least 18 years of age on the day of signing informed consent with histologically confirmed diagnosis of metastatic uveal melanoma (UM)
(i) Not having been treated with Tebentafusp for cohort 1 (Tebentafusp-naive patients) OR (ii) Having been previously treated with Tebentafusp for cohort 2
Life expectancy > 3 months
Have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1. Evaluation of ECOG has to be performed at inclusion
Male participants must agree to use contraception
A female participant is eligible to participate if she is not pregnant, not breastfeeding, and at least one of the following conditions applies
Not a woman of childbearing potential (WOCBP) OR
A WOCBP who agrees to follow the contraceptive guidance
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
The participant (or legally acceptable representative if applicable) provides written informed consent for the trial
Have provided a newly obtained (or archival within 90 days before C1D1, FFPE biopsy allowed) core or excisional biopsy of a tumor lesion not previously irradiated
Patients with French Social Security in compliance with the French law relating to biomedical research
All other relevant medical conditions must be well-managed and stable, in the opinion of the investigator, for at least 28 days prior to first administration of study drug
Have adequate organ function as defined in the protocol

Exclusion Criteria

A WOCBP who has a positive urine pregnancy test within 72 hours prior to allocation
Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti PD L2 agent or with an agent directed to another stimulatory or co-inhibitory T-cell receptor (eg, CTLA-4, OX 40, and CD137) for metastatic UM
In contrast, prior therapy with Tebentafusp is permitted
Has recently received prior systemic anti-cancer therapy including investigational agents or biological agents [eg cytokines, antibodies or small molecules kinase inhibitors within 3 weeks or nitrosoureas/mitomycin C within 6 weeks] prior to allocation. Prior liver surgery or local treatment of metastases is allowed if there is an unequivocal progression
Note: Participants must have recovered from all AEs due to previous therapies
to ≤Grade 1 or baseline. Participants with ≤Grade 2 neuropathy may be
eligible
Note: Do not administer for at least 2 weeks following major surgery and until
adequate wound healing
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
Has received a live vaccine within 30 days prior to the first dose of study drug. Examples of live vaccines include, but are not limited to, the following: measles, mumps, rubella, varicella/zoster (chicken pox), yellow fever, rabies, Bacillus Calmette-Guérin (BCG), and typhoid vaccine. Seasonal influenza vaccines for injection are generally killed virus vaccines and are allowed; however, intranasal influenza vaccines (eg, FluMist®) are live attenuated vaccines and are not allowed. Only mRNA vaccines are authorized to prevent SARS-CoV-2 infection (COVID-19) during the trial
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
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
Has a history of a second malignancy, unless potentially curative treatment has been completed with no evidence of malignancy for 2 years
Note: The time requirement does not apply to participants who underwent
successful definitive resection of basal cell carcinoma of the skin, squamous
cell carcinoma of the skin, superficial bladder cancer, in situ cervical
cancer, or other in-situ cancers
Has known active CNS metastases and/or carcinomatous meningitis. Brain imaging is not required at inclusion if asymptomatic. 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
Has severe hypersensitivity (≥Grade 3) to pembrolizumab and/or lenvatinib and/or any of their excipients
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
Has a history of (non-infectious) pneumonitis that required steroids or has current pneumonitis
Has an active infection requiring systemic therapy. Patients requiring systemic antibiotics for infection must have completed therapy at least 1 week prior to the first dose of study drug
Has a known history of Human Immunodeficiency Virus (HIV) infection. HIV testing is not required at allocation
Has a known history of Hepatitis B (defined as Hepatitis B surface antigen [HBsAg] reactive) or known active Hepatitis C virus (defined as HCV RNA [qualitative] is detected) infection. Note: no testing for Hepatitis B and Hepatitis C is required unless mandated by local health authority
Has a known history of active TB (Bacillus Tuberculosis)
Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the study, interfere with the subject's participation for the full duration of the study, or is not in the best interest of the subject to participate, in the opinion of the treating investigator
Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial
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
Has had an allogenic tissue/solid organ transplant
Concurrent or recent (less than 1 week prior inclusion) immunosuppressive medications (including corticosteroids exceeding 10 mg daily of prednisone equivalent, azathioprin); hydrocortisone at physiological doses is allowed
Uncontrolled blood pressure (Systolic BP>150 mmHg and/or diastolic BP >90 mmHg) in spite of an optimized regimen of antihypertensive medication
Electrolyte abnormalities that have not been corrected as assessed by the investigator
Significant cardiovascular impairment: history of congestive heart failure greater than New York Heart Association (NYHA) Class II, unstable angina, myocardial infarction or stroke within 6 months of the first dose of study drug, or cardiac arrhythmia requiring medical treatment at Screening
Bleeding or thrombotic disorders or subjects at risk for severe hemorrhage. The degree of tumor invasion/infiltration of major blood vessels (e.g. carotid artery) should be considered because of the potential risk of severe hemorrhage associated with tumor shrinkage/necrosis following lenvatinib therapy
Subjects having > 1+ proteinuria on urine dipstick testing unless a 24-hour urine collection for quantitative assessment indicates that the urine protein is <1 g/24 hours
Subjects who have not recovered adequately from any toxicity from other anti-cancer treatment regimens and/or complications from major surgery prior to starting therapy
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