Nivolumab plus relatlimab induces sturdy responses in complicated melanoma

Ivan J. Lipson, MD

The combo of nivolumab (nivolumab) and relatlimab (Opdualag) has demonstrated scientific get advantages with a manageable protection profile in sufferers with complicated melanoma, without reference to PD-L1 and LAG-3 expression, prior PD- Have advanced on L1 or PD-1 inhibitors. In line with the findings of the continuing Section 1/2a RELATIVITY-020 trial (NCT01968109).1

Amongst evaluable sufferers with a scientific cutoff date of January 4, 2021 and a minimal follow-up of nineteen.4 months, the total reaction fee (ORR) via blinded unbiased central assessment (BICR) used to be 12.0% (95% CI, 8.8%) . -15.8%) in sufferers who advanced on 1 prior PD-1 inhibitor (D1; n = 351) and 9.2% (95% CI, 5.2%-14.7%) who advanced on a minimum of 1 prior PD-1 of Thi/PD-L1 inhibitor (D2; n = 163).

Ivan J., MD, of the Sidney Kimmel Complete Most cancers Middle in Baltimore. “In sufferers with complicated melanoma who advanced after anti-PD-1-based remedy, nivolumab plus rilatlimab brought on sturdy tumor regression and had a manageable protection profile,” Lipson mentioned. Maryland, mentioned on-line,

“Nivolumab and…relatilimab…were proven to be a secure and efficient remedy choice in extremely pretreated sufferers with complicated melanoma. (In Relativity-020), nivolumab and rilatilimab had been discovered to have a manageable, constant protection profile , and didn’t lead to any treatment-related loss of life,” mentioned lead learn about creator Paolo A. Assierto, MD, Istituto Nazionale Tumori IRCCS” on the Fondazione G. Pascale, Naples, Italy, informed OnLive,

First, the Section 2/3 RELATIVITY-047 trial (NCT03470922), which investigated a fixed-dose mixture of nivolumab, a PD-1 inhibitor, plus relatlimab, a LAG-3 inhibitor, as opposed to nivolumab monotherapy in sufferers with up to now untreated complicated melanoma considerably advanced median progression-free survival (PFS) with the mix of nivolumab on my own at 10.2 months (95% CI, 6.5–14.8) as opposed to 4.6 months (95% CI, 3.5–6.4; HR, 0.78, 95%) Exhibited. CI, 0.6–0.9) at an average follow-up of nineteen.3 months. Moreover, the median ORR via BICR used to be 43.1% (95% CI, 37.9%–48.4%) in sufferers who won the mix as opposed to 32.6% (95% CI, 27.8%–37.7%) in those that won nivolumab on my own .2 Relativity-047 findings supported March 2022 FDA approves fixed-dose reltimab plus nivolumab In sufferers a minimum of 12 years of age with unresectable or metastatic melanoma.

The open-label, dose-escalation and cohort-expansion RELATIVITY-020 trial evaluated the efficacy, protection, and tolerability of relatilimab monotherapy and relatilimab plus nivolumab in sufferers with complicated cast tumors. Phase D of this trial tested the efficacy and protection of ritulimab plus nivolumab in sufferers with complicated melanoma who won 1 PD-1-containing routine (D1) or a minimum of 1 PD-1/PD-L1 throughout or inside of 3 months. advanced inside of. containing nutrition (D2).1

To sign up for RELATIVITY-020, sufferers had been required to have a histologically or cytologically showed metastatic and/or unresectable cast malignancy. Sufferers had been eligible for Phase D if they’d complicated unresectable or metastatic melanoma and illness development on PD-L1 or PD-1 inhibitors.

In Phase D1, sufferers are required to have won 1 prior PD-1 inhibitor, in particular nivolumab or pembrolizumab (Keytruda), within the complicated/metastatic environment, and growth in this agent inside of 3 months after receiving the ultimate dose . Sufferers who had won prior CTLA-4-containing regimens that incorporated PD-1 inhibitors with CTLA-4 inhibitors had been approved. affected person with BRF-Reactive illness used to be additionally approved if they’d won and advanced on first line of a BRAF inhibitor within the complicated/metastatic environment. Alternatively, sufferers had been excluded if they’d up to now won LAG-3 or PD-L1 inhibitors, or if they’d won adjuvant or neoadjuvant PD-1/PD-L1 inhibitors. All sufferers required an ECOG efficiency standing (PS) of 0 or 1 in D1.

In Phase D2, sufferers can have won a couple of prior traces of PD-1 or PD-L1 inhibitors. Sufferers who had won prior adjuvant or neoadjuvant PD-1 inhibitors might join in the event that they advanced on the ones brokers throughout remedy or inside of 6 months after their ultimate adjuvant dose or in the event that they had been due to this fact recognized with metastatic illness. Continue to further PD-1 remedy. Sufferers can have won a number of prior traces of BRAF inhibitors, however sufferers with BRFMutant illness development used to be now not required on those brokers. All sufferers in D2 had been required to have an EGOG PS of 0 to two.

General, 518 sufferers (D1, n = 354; D2, n = 164) won nivolumab plus reltimumab. Sufferers in D1 won both 240 mg nivolumab and 80 mg ritalimab as soon as each 2 weeks as a single-agent vial (n = 189; D1 as soon as each 2 weeks) or to obtain 480 mg nivolumab and 160 mg Randomized 1:1. relatlimab as soon as each 4 weeks as a unmarried agent vial (n = 83) or relatlimab as soon as each 4 weeks as a fixed-dose mixture (n = 82; D1 as soon as each 4 weeks). Sufferers in D2 won 480 mg nivolumab and 160 mg reltimumab as soon as each 4 weeks as a single-agent vial.

The main finish level in Phase D used to be protection, as measured via charges of difficult results (AEs); serious AE; and AEs resulting in remedy discontinuation, loss of life, and laboratory abnormalities. The co-primary endpoint at D1 as soon as each 2 weeks used to be ORR in step with RECIST v1.1 standards in sufferers with LAG-3 expression via BICR. The co-primary endpoint in D1 as soon as each 4 weeks used to be protection as measured via the incidence of hypersensitive reaction or infusion-related reactions inside of 2 days of dosing. An extra co-primary finish level used to be the protection of 240 mg nivolumab plus 80 mg relatalimab as soon as each 2 weeks as opposed to 480 mg nivolumab plus 160 mg ralatalimab as soon as each 4 weeks.

At D1 and D2, 53.3% and 58.5% of sufferers had won a minimum of 2 and a minimum of 3 prior remedies, respectively. At D1 and D2, 39.3% and 59.8% of sufferers had won prior CLTA-4 inhibitors, 16.1% and 23.8% of sufferers had won prior BRAF inhibitors, and 30.2% and 49.4% had won prior chemotherapy, respectively.

The median period of remedy used to be roughly 16 weeks (vary, 2–160) within the single-agent placebo fingers and 19.8 weeks (vary, 4–128) within the fixed-dose mixture arm.

At D1, the ORR via BICR used to be 14.1% (95% CI, 9.6%–19.8%) in sufferers with LAG-3 expression of a minimum of 1% and 5.4% (95% CI, 1.8%–12.2%) in sufferers with LAG-3 expression. LAG-3 expression of lower than 1%. The ORR via BICR used to be 15.7% (95% CI, 10.0%–23.0%) in D1 sufferers with a minimum of 1% PD-L1 expression and eight.2% (95% CI, 4.3%–13.8%) in sufferers with PD. -L1 expression lower than 1%.

In D1 sufferers with and with out prior CLTA-4 publicity, the ORR via BICR used to be 11.7% (95% CI, 6.8%–18.3%) and 12.1% (95% CI, 8.1%–17.3%), respectively. In sufferers with D1 with and with out prior BRAF or MEK inhibitors, the ORR via BICR used to be 13.5% (95% CI, 5.6%–25.8%) and 12.5% ​​(95% CI, 1.6%–38.3%), respectively.

In D1 sufferers with M1c illness, the ORR via BICR used to be 13.9% (95% CI, 4.7%–29.5%) in the ones with mind metastases and eight.1% (95% CI, 4.7%–12.9%) in the ones with out mind metastases. , In sufferers with lactate dehydrogenase ranges more than or lower than the higher restrict of standard on D1, the ORR via BICR used to be 10.2% (95% CI, 6.0%–15.8%) and 13.7% (95% CI, 9.1%–19.6%) . , respectively.

The illness regulate charges showed via BICR had been 40.5% and 39.9% in D1 and D2, respectively.

The median period of reaction used to be now not reached in D1 (NR; 95% CI, 12.9–NR) and 12.8 months (95% CI, 6.9–12.9) in D2. At D1, the 6- and 12-month reaction charges had been 92.3% (95% CI, 78.0%–97.5%) and 70.9% (95% CI, 53.5%–82.7%), respectively. In D2, the 6- and 12-month reaction charges had been 84.6% (95% CI, 51.2%–95.9%) and 52.7% (95% CI, 23.4%–75.5%), respectively.

Median PFS via BICR used to be 2.1 months (95% CI, 1.9–3.5) at D1 and three.2 months (95% CI, 1.9–3.6) at D2, with a 6-month PFS fee of 29.1% (95% CI, 24.2%) . -34.1%) and 27.7% (95% CI, 20.5% -35.4%) and 12-month PFS charges 21.4% (95% CI, 17.0% -26.1%) and 16.0% (95% CI, 10.0% -23.0%) %) in D1 and D2, respectively.

Median general survival (OS) used to be 14.7 months (95% CI, 12.4–16.9) at D1 and 17.1 months (95% CI, 13.4–21.0) at D2, with a 12-month OS fee of 56.0% (95% CI, D1 and 50.6%–61.1%) and 60.0% (95% CI, 52.0%–67.0%) in D2, respectively.

Main pharmacokinetic parameters had been equivalent between sufferers who won the mix as a single-agent vial and people who won it as a fixed-dose mixture. Roughly 50% aid of sLAG-3 ranges came about on day 29 in D1 as soon as each 4 weeks. The investigators discovered no distinction between SLAG-3 trade from baseline to day 15 at D1 as soon as each 4 weeks. Remedy with the mix led to an roughly 2-fold build up in serum interferon-gamma ranges when compared with the ones at baseline on each D1 as soon as each 4 weeks.

Remedy-related AEs (TRAEs) of any class came about in 67.5% of sufferers on D1 and 68.9% of sufferers on D2. Grade 3/4 TRAE came about in 15.0% of sufferers on D1 and 12.8% of sufferers on D2. The occurrence of remedy discontinuation because of TRAE of any grade in D1 and D2 used to be 5.1% and four.3%, respectively.

At D1, the commonest immune-mediated AEs had been rash (7.3%), hypothyroidism or thyroiditis (5.9%), and diarrhea or colitis (5.4%). At D2, the commonest immune-mediated AEs had been rash (8.5%), hypothyroidism or thyroiditis (4.3%), and hepatitis (4.3%).

The occurrence of treatment-related hypersensitive reaction or infusion-related reactions used to be 8.5% (n = 16) within the D1 as soon as each 2 weeks cohort, 3.6% (n = 3) within the D1 as soon as each 4 weeks single-agent vial cohort, and seven.3% (n = 6) within the D1 as soon as each 4 weeks constant dose mixture staff. No Grade 3/4 cases of hypersensitive reaction or infusion-related reactions came about.

In D1 one affected person advanced grade 3 myocarditis. There have been no treatment-related deaths in Phase D.

Lipson concluded, “The combo[of nivolumab and ritulimab]expands remedy choices for this affected person inhabitants.”

editor’s Notice,Dr. Lipson has consulted or is an marketing consultant to Bristol Myers Squibb, Novartis, Macrogenix, Merck, Sanofi/Regeneron, Genentech, Odonate Therapeutics, Eisai, Natera, Insteel Bio, Nectar, OncoSec, Pfizer, Ren Therapeutics, Regeneron, CareDx, and ImmunoCore reported roles; and has won analysis investment from Bristol Myers Squibb (Institute), Merck (Institute), and Sanofi/Regeneron (Institute).

Dr. Ascierto reviews inventory and different possession pursuits in Primevax; Consulted or Marketing consultant to Bristol Myers Squibb, Roche/Genentech, Merck Sharp & Dohme, Novartis, Array BioPharma, Merck Serono, Pierre Fabre, Incyte, MedImmune, AstraZeneca, Solar Pharma, Sanofi, Idera, Ultimovax, Sandoz, Immunocor, 4SC, roles. Alkermes, Italfarmaco, Nektar, Boehringer Ingelheim, Eisai, Regeneron, Daiichi Sankyo, Pfizer, OncoSec, Nouscom, Takis Biotech, Lunaphore Applied sciences, Seattle Genetics, iTeos Therapeutics, Medicenna, Bio-Al Well being, ValoTx, Replimune, and Bayer; analysis investment from Bristol Myers Squibb (Insta), Roche/Genentech (Insta), Array BioPharma (Insta), Sanofi (Insta), and Pfizer (Insta); and has won shuttle lodging from Merck Sharp & Dohme, Pfizer, Bio-Al Well being, and Replimune.

Reference

  1. Ascierto PA, Lipson EJ, Dummer R, et al. Nivolumab and rilitimab in sufferers with complicated melanoma who advanced on anti-programmed death-1/programmed loss of life ligand 1 remedy: result of the segment I/IIa RELATIVITY-020 trial. J Clin Oncol, Printed on-line February 13, 2023. doi:10.1200/JCO.22.02072
  2. Lengthy GV, Hodi SF, Lipson EJ, et al. Relatlimab and nivolumab as opposed to nivolumab in up to now untreated metastatic or unresectable melanoma: general survival and reaction charges from RELATIVITY-047 (CA224-047). J Clin Oncol, 2022; 40(36): 360–385. doi:10.1200/jco.2022.40.36_supl.360385