IL-12 Therapy Elicits Encouraging Response Rates in Melanoma

Excerpt:

“Immunopulse IL-12 monotherapy and in combination with pembrolizumab was associated with encouraging response rates and safety data in patients with melanoma who may not respond to anti-PD-1 therapy, according to a press release.

“The findings were presented at the 9th World Congress of Melanoma — A Joint Meeting with the Society for Melanoma Research. The data include a phase 2 Immunopulse IL-12 (OncoSec) monotherapy study with 51 patients and a phase 2 study of the immunotherapy in combination with pembrolizumab, which included 22 patients.”

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Novel Combinations Mark Next Step for Melanoma

Excerpt:

“Immunotherapy has led a transformation for melanoma care but combinations of anti–PD-1 and CTLA-4 agents are toxic and biomarkers are not available to help personalized treatment, calling for further research into less toxic and more effective options, according to a presentation by Caroline Robert, MD, PhD, at the 2017 World Congress of Melanoma.

“At this point, the only approved immunotherapy combination remains the PD-1 inhibitor nivolumab (Opdivo) and the CTLA-4 inhibitor ipilimumab (Yervoy). However, research into combination approaches is now focusing on triplets of anti–PD-1 therapies and new checkpoints, such as IDO. Additionally, ongoing research continues to search of a biomarker of response for immunotherapy in melanoma.”

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Immune-Stimulator Boosts Pembrolizumab in Melanoma Patients With “Cold” Tumors

Excerpt:

“Adding the immune stimulator ImmunoPulse IL-12 to pembrolizumab (Keytruda) produced promising activity among patients with melanoma identified as unlikely responders to anti–PD-1 therapies.

“Data from the phase II OMS-I102 trial presented at the 2017 World Congress of Melanoma showed that the combination induced an overall response rate (ORR) of 50% (n = 11) among 22 patients with baseline biomarker data suggesting they would not respond to anti–PD-1 therapy.”

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Overall Survival up for Melanoma Brain Metastases

Excerpt:

“Overall survival (OS) for patients with melanoma brain metastases (MBM) has improved significantly since 2000, according to a study published online Oct. 12 in Cancer.

“Sarah Sloot, M.D., from Groningen University Medical Center in the Netherlands, and colleagues identified 610 patients with unresectable American Joint Committee on Cancer stage III/IV melanoma who received first-line systemic therapy at Moffitt Cancer Center between 2000 and 2012.”

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FDA Grants Priority Review to Opdivo for Resected, High-Risk Melanoma

Excerpt:

“The FDA granted priority review to nivolumab for the treatment of patients with melanoma who are at high risk for disease recurrence following complete surgical resection, according to the drug’s manufacturer.

“Nivolumab (Opdivo, Bristol-Myers Squibb), a PD-1 checkpoint inhibitor, previously received breakthrough therapy designation for this indication.”

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Adjuvant Ipilimumab in Melanoma: Future in Doubt

Excerpt:

“The future of adjuvant ipilimumab (Yervoy, Bristol-Myers Squibb) for the treatment of resected stage III melanoma could be in doubt, as a combination of ‘astronomically high’ costs and better outcome data with another treatment threaten its position as the standard of care, argues an expert.

“Ipilimumab, a monoclonal antibody that blocks CTLA-4, was shown to significantly improve recurrence-free and overall survival vs placebo when used after surgery. These data, from the EORTC 18071 trial, led to its approval by the US Food and Drug Administration (FDA) as an adjuvant therapy for patients with stage III melanoma in October 2015. This extended its original approval in 2011 to treat late-stage melanoma in patients who are not candidates for surgery.”

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Three-Drug Regimen Active in BRAF-Mutant Melanoma

Excerpt:

“Triplet therapy for advanced, BRAF V600-mutant melanoma led to objective responses in 73% of a small group of patients enrolled in a phase I trial, according to updated results reported at the 2017 ESMO Annual Congress in Madrid.

“Ongoing follow-up in the trial showed that 11 of 15 patients responded to the combination of pembrolizumab (Keytruda), dabrafenib (Tafinlar), and trametinib (Mekinist). Seven of the 11 responding patients had not progressed after a median follow-up of 20 months. ‘Updated results of the phase I portion of the KEYNOTE-022 trial confirmed previously reported efficacy of this triplet combination,’ said Antoni Ribas, MD, PhD, a professor of medicine, surgery, and molecular and medical pharmacology at the University of California at Los Angeles. ‘The results demonstrated durability of responses. No late or unexpected toxicities occurred with longer follow-up. The randomized phase II portion of KEYNOTE-022 is ongoing.’ ”

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Relatlimab/Nivolumab Combo Active in Melanoma After PD-1/PD-L1 Therapy

Excerpt:

“Half of patients with melanoma who progressed on anti–PD-1/PD-L1 therapy benefited from the combination of nivolumab (Opdivo) and the LAG-3 inhibitor relatlimab (BMS-986016), data from a dose-expansion study showed.

“The combination led to objective responses in 7 of 61 evaluable patients, increasing to 18% in a subgroup of patients LAG-3–positive tumors. Half of all patients treated and two-thirds of those patients with LAG-3–positive tumors derived clinical benefit, as reported at the 2017 ESMO Congress.”

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Array BioPharma Announces FDA Acceptance For Review Of Binimetinib And Encorafenib New Drug Applications For Patients With Advanced BRAF-mutant Melanoma

Excerpt:

“Array BioPharma (ARRY) today announced that the U.S. Food and Drug Administration (FDA) has accepted for review its New Drug Applications (NDAs) to support use of the combination of binimetinib 45 mg twice daily and encorafenib 450 mg once daily (COMBO450) for the treatment of patients with BRAF-mutant advanced, unresectable or metastatic melanoma. The FDA set a target action date under the Prescription Drug User Fee Act (PDUFA) of June 30, 2018 for both applications. In addition, the FDA informed Array that based on their preliminary review of the applications they have not identified any potential review issues, and that they are not currently planning to hold an advisory committee meeting to discuss these NDAs.  Array completed its NDA submissions at the end of June 2017based on findings from the pivotal Phase 3 COLUMBUS trial.”

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