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Merck To Present Data at 2022 ASCO Annual Meeting Highlighting Promising Pipeline Medicines and Significant Progress in Treating Earlier Stages of Certain Cancers With KEYTRUDA® (pembrolizumab)

Published: 2022-05-10 10:45:00 ET
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Data from studies of six medicines and pipeline candidates in more than 25 cancers to be presented

RAHWAY, N.J.--(BUSINESS WIRE)-- Merck (NYSE: MRK), known as MSD outside the United States and Canada, today announced that data for six approved medicines and pipeline candidates in more than 25 types of cancer will be presented at the 2022 American Society of Clinical Oncology (ASCO) Annual Meeting in Chicago from June 3-7. Presentations will feature new or updated findings from Merck’s broad portfolio of cancer medicines: KEYTRUDA; WELIREG™ (belzutifan); LYNPARZA® (olaparib, in collaboration with AstraZeneca); and LENVIMA® (lenvatinib, in collaboration with Eisai). Additionally, Merck will present data from its diverse pipeline of immuno-therapeutic candidates, including the investigational anti-LAG-3 therapy favezelimab and the investigational anti-ILT3 therapy MK-0482.

“The medicines in our broad portfolio have helped transform the treatment of many advanced cancers, but patients continue to need new treatment approaches and new medicines,” said Dr. Eliav Barr, senior vice president and head of global clinical development, chief medical officer, Merck Research Laboratories. “We are delighted to share the progress we are making across our expansive and diverse oncology portfolio and pipeline, including in earlier stages of cancer and in some of the most common types of cancer such as melanoma, non-small cell lung cancer, renal cell carcinoma and triple-negative breast cancer.”

Key data from Merck’s portfolio to be presented at ASCO:

  • First presentation of distant metastasis-free survival (DMFS) and updated recurrence-free survival findings from the Phase 3 KEYNOTE-716 trial evaluating KEYTRUDA as adjuvant therapy in resected stage IIB and IIC melanoma (Abstract #LBA9500). Earlier this year, Merck reported that KEYNOTE-716 met its key secondary endpoint of DMFS as adjuvant treatment for these patients. Additionally, health-related quality-of-life data for KEYNOTE-716 will be presented for the first time (Abstract #9581);
  • Data from a subgroup analysis of the Phase 3 KEYNOTE-091 trial evaluating outcomes related to surgery, disease burden and adjuvant chemotherapy in patients with stage IB (greater than 4 cm) – stage III non-small cell lung cancer (NSCLC) treated with KEYTRUDA in the adjuvant setting following complete resection (Abstract #8512);
  • Additional long-term efficacy analyses of the Phase 3 KEYNOTE-564 trial evaluating KEYTRUDA in the adjuvant setting for patients with renal cell carcinoma (RCC) who are at intermediate-high to high risk of recurrence following nephrectomy (Abstract #4512);
  • Exploratory analysis of the Phase 3 KEYNOTE-426 trial evaluating KEYTRUDA plus axitinib as first-line therapy for advanced clear cell RCC following progression after first subsequent therapy (Abstract #4513);
  • Exploratory analysis from the Phase 3 KEYNOTE-522 trial evaluating KEYTRUDA plus chemotherapy in the neoadjuvant setting in patients with early-stage triple-negative breast cancer investigating event-free survival by residual cancer burden (Abstract #502);
  • Subgroup analysis from the Phase 3 KEYNOTE-826 trial evaluating KEYTRUDA plus chemotherapy as first-line treatment for patients with persistent, recurrent or metastatic cervical cancer (Abstract #5506);
  • Three-year follow-up data from the Phase 1 LITESPARK-001 trial evaluating WELIREG from the advanced clear cell RCC cohort (Abstract #4509) and two-year follow-up data from the Phase 2 LITESPARK-004 trial evaluating WELIREG in von-Hippel-Lindau disease (Abstract #4546).

Key data from Merck’s pipeline to be presented at ASCO:

  • First presentation of results from Cohort 1 of a Phase 1/2 study evaluating the anti-LAG-3 antibody, favezelimab plus KEYTRUDA in patients with anti-PD-1-naïve relapsed or refractory (R/R) classical Hodgkin lymphoma (cHL) (Abstract #7516). Results for Cohort 2 of this study evaluating favezelimab plus KEYTRUDA in patients with R/R cHL after anti-PD-1 treatment will also be presented for the first time (Abstract #7545).

For more information about our data presentations at ASCO and to learn more about Merck’s commitment to cancer research and patients, please visit https://www.merck.com/media/merck-at-asco-2022/.

Merck investor event

Merck will host an Oncology Investor Event to coincide with the ASCO Annual Meeting on Tuesday, June 7, 2022, 7-8 a.m. CT, at which senior management will provide an update on the company’s oncology strategy and program. The event will take place in Chicago and will be accessible via webcast. Further details including the webcast link will be announced at a later date.

Details on abstracts listed above and additional key abstracts for Merck

Breast cancer

  • Abstract #503, Oral Presentation: Event-Free Survival By Residual Cancer Burden After Neoadjuvant Pembrolizumab + Chemotherapy Versus Placebo + Chemotherapy For Early TNBC: Exploratory Analysis From KEYNOTE-522. L. Pusztai.

Gastrointestinal cancers

  • Abstract #4109, Poster Presentation: Pembrolizumab Monotherapy For Previously Untreated Advanced Hepatocellular Carcinoma (aHCC): 3-Year Follow-Up Of The Phase 2 KEYNOTE-224 Study. I. Borbath;
  • Abstract #4088, Poster Presentation: Health-Related Quality Of Life (HRQoL) Impact Of Pembrolizumab (Pembro) Plus Best Supportive Care (BSC) Versus Placebo (PBO) Plus BSC As Second-Line (2L) Therapy In Patients (Pts) In Asia With Advanced Hepatocellular Carcinoma (HCC): Phase 3 KEYNOTE-394 Study. S. Qin.

Genitourinary cancer

  • Abstract #4561, Poster Presentation: Health-Related Quality Of Life (HRQoL) For Patients With Advanced/Metastatic Urothelial Carcinoma (UC) Enrolled In KEYNOTE-052 Who Are Potentially Platinum Ineligible. R. Morales-Barrera;
  • Abstract #4513, Poster Discussion: Pembrolizumab (Pembro) Plus Axitinib (Axi) Versus Sunitinib As First-Line Therapy For Advanced Clear Cell Renal Cell Carcinoma (ccRCC): Analysis Of Progression After First Subsequent Therapy In KEYNOTE-426. T. Powles;
  • Abstract #4512, Poster Discussion: Adjuvant Pembrolizumab For Post-nephrectomy Renal Cell Carcinoma (RCC): Expanded Efficacy Analyses From KEYNOTE-564. T. Choueiri;
  • Abstract #4509, Poster Discussion: Phase 1 LITESPARK-001 (MK-6482-001) Study Of Belzutifan In Advanced Solid Tumors: Update Of The Clear Cell Renal Cell Carcinoma (ccRCC) Cohort With More Than 3 Years Of Total Follow-Up. E. Jonasch;
  • Abstract #4546, Poster Presentation: LITESPARK-004 (MK-6482-004) Phase 2 Study Of Belzutifan, An Oral Hypoxia-Inducible Factor 2α Inhibitor (HIF-2α), For Von Hippel-Lindau (VHL) Disease: Update With More Than Two Years Of Follow-Up Data. E. Jonasch;
  • Abstract #4514, Poster Discussion: Impact Of Subsequent Therapies In Patients (Pts) With Advanced Renal Cell Carcinoma (aRCC) Receiving Lenvatinib Plus Pembrolizumab (LEN + PEMBRO) Or Sunitinib (SUN) In The CLEAR Study. M. Voss.

Gynecologic cancers

  • Abstract #5506, Oral Presentation: Pembrolizumab + Chemotherapy In Patients With Persistent, Recurrent, Or Metastatic Cervical Cancer: Subgroup Analysis Of KEYNOTE-826. K.S. Tewari;
  • Abstract #5560, Poster Presentation: Quality Of Life In Patients With Advanced High-Grade Ovarian Cancer (HGOC) Receiving Maintenance Therapies After First-Line (1L) Chemotherapy In The Randomized Phase III PAOLA-1/ENGOT-ov25 Trial (NCT02477644). J.E. Kurtz;
  • Abstract #5571, Poster Presentation: Efficacy Of Maintenance Olaparib Plus Bevacizumab In Patients With Newly Diagnosed Advanced Ovarian Cancer According To BRCA Mutation Genotype In The Phase III PAOLA-1/ENGOT-ov25 Trial. S.I. Labidi-Galy;
  • Abstract #5587, Poster Presentation: Efficacy Of Next Line Of Therapy After Treatment With Lenvatinib (LEN) In Combination With Pembrolizumab (Pembro) Versus Treatment Of Physician’s Choice (TPC) In Patients (Pts) With Advanced Endometrial Cancer (aEC): Exploratory Analysis Of Study 309/KEYNOTE-775. V. Makker.

Hematology

  • Abstract #7516, Poster Discussion: Favezelimab (Anti–LAG-3) Plus Pembrolizumab In Patients With Anti–PD-1–Naïve Relapsed Or Refractory (R/R) Classical Hodgkin Lymphoma (cHL): An Open-Label Phase 1/2 Study. N. Johnson;
  • Abstract #7545, Poster Presentation: Favezelimab (Anti–LAG-3) Plus Pembrolizumab In Patients With Relapsed Or Refractory (R/R) Classical Hodgkin Lymphoma (cHL) After Anti –PD-1 Treatment: An Open-Label Phase 1/2 Study. J. Timmerman.

Lung cancer

  • Abstract #8512, Poster Discussion: EORTC-1416-LCG/ETOP 8-15 – PEARLS/KEYNOTE-091 Study Of Pembrolizumab Versus Placebo For Completely Resected Early-Stage Non-Small-Cell Lung Cancer (NSCLC): Outcomes In Subgroups Related To Surgery, Disease Burden, And Adjuvant Chemotherapy Use. M. O’Brien;
  • Abstract #8508, Poster Discussion: Two-Year Update From KEYNOTE-799: Pembrolizumab Plus Concurrent Chemoradiation Therapy (cCRT) For Unresectable, Locally Advanced, Stage III NSCLC. M. Reck.

Melanoma

  • Abstract #LBA9500, Oral Presentation: Distant Metastasis-Free Survival With Pembrolizumab Versus Placebo As Adjuvant Therapy In Stage IIB Or IIC Melanoma: The Phase 3 KEYNOTE-716 Study. G. Long;
  • Abstract #9581, Poster Presentation: Health-Related Quality Of Life (HRQoL) With Pembrolizumab (Pembro) In Resected High-Risk Stage II Melanoma In The Phase 3 KEYNOTE-716 Study. M.A. Khattak.

Solid tumors

  • Abstract #2505, Oral Presentation: Phase 1 First-In-Human Study Of Anti–ILT3 mAb MK-0482 As Monotherapy And In Combination With Pembrolizumab In Advanced Solid Tumors: Dose Escalation Results. M. Gutierrez.

About Merck’s early-stage cancer clinical program

Finding cancer at an earlier stage may give patients a greater chance of long-term survival. Many cancers are considered most treatable and potentially curable in their earliest stage of disease. Building on the strong understanding of the role of KEYTRUDA in later-stage cancers, Merck is studying KEYTRUDA in earlier disease states, with approximately 20 ongoing registrational studies across multiple types of cancer.

About KEYTRUDA® (pembrolizumab) injection, 100 mg

KEYTRUDA is an anti-programmed death receptor-1 (PD-1) therapy that works by increasing the ability of the body’s immune system to help detect and fight tumor cells. KEYTRUDA is a humanized monoclonal antibody that blocks the interaction between PD-1 and its ligands, PD-L1 and PD-L2, thereby activating T lymphocytes which may affect both tumor cells and healthy cells.

Merck has the industry’s largest immuno-oncology clinical research program. There are currently more than 1,700 trials studying KEYTRUDA across a wide variety of cancers and treatment settings. The KEYTRUDA clinical program seeks to understand the role of KEYTRUDA across cancers and the factors that may predict a patient's likelihood of benefitting from treatment with KEYTRUDA, including exploring several different biomarkers.

Selected KEYTRUDA® (pembrolizumab) Indications in the U.S.

Melanoma

KEYTRUDA is indicated for the treatment of patients with unresectable or metastatic melanoma.

KEYTRUDA is indicated for the adjuvant treatment of adult and pediatric (12 years and older) patients with stage IIB, IIC, or III melanoma following complete resection.

Non-Small Cell Lung Cancer

KEYTRUDA, in combination with pemetrexed and platinum chemotherapy, is indicated for the first-line treatment of patients with metastatic nonsquamous non-small cell lung cancer (NSCLC), with no EGFR or ALK genomic tumor aberrations.

KEYTRUDA, in combination with carboplatin and either paclitaxel or paclitaxel protein-bound, is indicated for the first-line treatment of patients with metastatic squamous NSCLC.

KEYTRUDA, as a single agent, is indicated for the first-line treatment of patients with NSCLC expressing PD-L1 [tumor proportion score (TPS) ≥1%] as determined by an FDA-approved test, with no EGFR or ALK genomic tumor aberrations, and is:

  • stage III where patients are not candidates for surgical resection or definitive chemoradiation, or
  • metastatic.

KEYTRUDA, as a single agent, is indicated for the treatment of patients with metastatic NSCLC whose tumors express PD-L1 (TPS ≥1%) as determined by an FDA-approved test, with disease progression on or after platinum-containing chemotherapy. Patients with EGFR or ALK genomic tumor aberrations should have disease progression on FDA-approved therapy for these aberrations prior to receiving KEYTRUDA.

Head and Neck Squamous Cell Cancer

KEYTRUDA, in combination with platinum and fluorouracil (FU), is indicated for the first-line treatment of patients with metastatic or with unresectable, recurrent head and neck squamous cell carcinoma (HNSCC).

KEYTRUDA, as a single agent, is indicated for the first-line treatment of patients with metastatic or with unresectable, recurrent HNSCC whose tumors express PD-L1 [Combined Positive Score (CPS) ≥1] as determined by an FDA-approved test.

KEYTRUDA, as a single agent, is indicated for the treatment of patients with recurrent or metastatic HNSCC with disease progression on or after platinum-containing chemotherapy.

Classical Hodgkin Lymphoma

KEYTRUDA is indicated for the treatment of adult patients with relapsed or refractory classical Hodgkin lymphoma (cHL).

KEYTRUDA is indicated for the treatment of pediatric patients with refractory cHL, or cHL that has relapsed after 2 or more lines of therapy.

Primary Mediastinal Large B-Cell Lymphoma

KEYTRUDA is indicated for the treatment of adult and pediatric patients with refractory primary mediastinal large B-cell lymphoma (PMBCL), or who have relapsed after 2 or more prior lines of therapy.

KEYTRUDA is not recommended for treatment of patients with PMBCL who require urgent cytoreductive therapy.

Urothelial Carcinoma

KEYTRUDA is indicated for the treatment of patients with locally advanced or metastatic urothelial carcinoma (mUC):

  • who are not eligible for any platinum-containing chemotherapy, or
  • who have disease progression during or following platinum-containing chemotherapy or within 12 months of neoadjuvant or adjuvant treatment with platinum-containing chemotherapy.

Non-muscle Invasive Bladder Cancer

KEYTRUDA is indicated for the treatment of patients with Bacillus Calmette-Guerin-unresponsive, high-risk, non-muscle invasive bladder cancer (NMIBC) with carcinoma in situ with or without papillary tumors who are ineligible for or have elected not to undergo cystectomy.

Microsatellite Instability-High or Mismatch Repair Deficient Cancer

KEYTRUDA is indicated for the treatment of adult and pediatric patients with unresectable or metastatic microsatellite instability-high (MSI-H) or mismatch repair deficient (dMMR) solid tumors that have progressed following prior treatment and who have no satisfactory alternative treatment options.

This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials. The safety and effectiveness of KEYTRUDA in pediatric patients with MSI-H central nervous system cancers have not been established.

Microsatellite Instability-High or Mismatch Repair Deficient Colorectal Cancer

KEYTRUDA is indicated for the treatment of patients with unresectable or metastatic MSI-H or dMMR colorectal cancer (CRC).

Gastric Cancer

KEYTRUDA, in combination with trastuzumab, fluoropyrimidine- and platinum-containing chemotherapy, is indicated for the first-line treatment of patients with locally advanced unresectable or metastatic HER2-positive gastric or gastroesophageal junction (GEJ) adenocarcinoma.

This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials.

Esophageal Cancer

KEYTRUDA is indicated for the treatment of patients with locally advanced or metastatic esophageal or gastroesophageal junction (GEJ) (tumors with epicenter 1 to 5 centimeters above the GEJ) carcinoma that is not amenable to surgical resection or definitive chemoradiation either:

  • in combination with platinum- and fluoropyrimidine-based chemotherapy, or
  • as a single agent after one or more prior lines of systemic therapy for patients with tumors of squamous cell histology that express PD-L1 (CPS ≥10) as determined by an FDA-approved test.

Cervical Cancer

KEYTRUDA, in combination with chemotherapy, with or without bevacizumab, is indicated for the treatment of patients with persistent, recurrent, or metastatic cervical cancer whose tumors express PD-L1 (CPS ≥1) as determined by an FDA-approved test.

KEYTRUDA, as a single agent, is indicated for the treatment of patients with recurrent or metastatic cervical cancer with disease progression on or after chemotherapy whose tumors express PD-L1 (CPS ≥1) as determined by an FDA-approved test.

Hepatocellular Carcinoma

KEYTRUDA is indicated for the treatment of patients with hepatocellular carcinoma (HCC) who have been previously treated with sorafenib. This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials.

Merkel Cell Carcinoma

KEYTRUDA is indicated for the treatment of adult and pediatric patients with recurrent locally advanced or metastatic Merkel cell carcinoma (MCC). This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials.

Renal Cell Carcinoma

KEYTRUDA, in combination with axitinib, is indicated for the first-line treatment of adult patients with advanced renal cell carcinoma (RCC).

KEYTRUDA, in combination with LENVIMA, is indicated for the first-line treatment of adult patients with advanced RCC.

KEYTRUDA is indicated for the adjuvant treatment of patients with RCC at intermediate-high or high risk of recurrence following nephrectomy, or following nephrectomy and resection of metastatic lesions.

Endometrial Carcinoma

KEYTRUDA, in combination with LENVIMA, is indicated for the treatment of patients with advanced endometrial carcinoma that is not MSI-H or dMMR, who have disease progression following prior systemic therapy in any setting and are not candidates for curative surgery or radiation.

KEYTRUDA, as a single agent, is indicated for the treatment of patients with advanced endometrial carcinoma that is MSI-H or dMMR, as determined by an FDA-approved test, who have disease progression following prior systemic therapy in any setting and are not candidates for curative surgery or radiation.

Tumor Mutational Burden-High Cancer

KEYTRUDA is indicated for the treatment of adult and pediatric patients with unresectable or metastatic tumor mutational burden-high (TMB-H) [≥10 mutations/megabase] solid tumors, as determined by an FDA-approved test, that have progressed following prior treatment and who have no satisfactory alternative treatment options. This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials. The safety and effectiveness of KEYTRUDA in pediatric patients with TMB-H central nervous system cancers have not been established.

Cutaneous Squamous Cell Carcinoma

KEYTRUDA is indicated for the treatment of patients with recurrent or metastatic cutaneous squamous cell carcinoma (cSCC) or locally advanced cSCC that is not curable by surgery or radiation.

Triple-Negative Breast Cancer

KEYTRUDA is indicated for the treatment of patients with high-risk early-stage triple-negative breast cancer (TNBC) in combination with chemotherapy as neoadjuvant treatment, and then continued as a single agent as adjuvant treatment after surgery.

KEYTRUDA, in combination with chemotherapy, is indicated for the treatment of patients with locally recurrent unresectable or metastatic TNBC whose tumors express PD-L1 (CPS ≥10) as determined by an FDA-approved test.

Selected Important Safety Information for KEYTRUDA

Severe and Fatal Immune-Mediated Adverse Reactions

KEYTRUDA is a monoclonal antibody that belongs to a class of drugs that bind to either the PD-1 or the PD-L1, blocking the PD-1/PD-L1 pathway, thereby removing inhibition of the immune response, potentially breaking peripheral tolerance and inducing immune-mediated adverse reactions. Immune-mediated adverse reactions, which may be severe or fatal, can occur in any organ system or tissue, can affect more than one body system simultaneously, and can occur at any time after starting treatment or after discontinuation of treatment. Important immune-mediated adverse reactions listed here may not include all possible severe and fatal immune-mediated adverse reactions.

Monitor patients closely for symptoms and signs that may be clinical manifestations of underlying immune-mediated adverse reactions. Early identification and management are essential to ensure safe use of anti–PD-1/PD-L1 treatments. Evaluate liver enzymes, creatinine, and thyroid function at baseline and periodically during treatment. For patients with TNBC treated with KEYTRUDA in the neoadjuvant setting, monitor blood cortisol at baseline, prior to surgery, and as clinically indicated. In cases of suspected immune-mediated adverse reactions, initiate appropriate workup to exclude alternative etiologies, including infection. Institute medical management promptly, including specialty consultation as appropriate.

Withhold or permanently discontinue KEYTRUDA depending on severity of the immune-mediated adverse reaction. In general, if KEYTRUDA requires interruption or discontinuation, administer systemic corticosteroid therapy (1 to 2 mg/kg/day prednisone or equivalent) until improvement to Grade 1 or less. Upon improvement to Grade 1 or less, initiate corticosteroid taper and continue to taper over at least 1 month. Consider administration of other systemic immunosuppressants in patients whose adverse reactions are not controlled with corticosteroid therapy.

Immune-Mediated Pneumonitis

KEYTRUDA can cause immune-mediated pneumonitis. The incidence is higher in patients who have received prior thoracic radiation. Immune-mediated pneumonitis occurred in 3.4% (94/2799) of patients receiving KEYTRUDA, including fatal (0.1%), Grade 4 (0.3%), Grade 3 (0.9%), and Grade 2 (1.3%) reactions. Systemic corticosteroids were required in 67% (63/94) of patients. Pneumonitis led to permanent discontinuation of KEYTRUDA in 1.3% (36) and withholding in 0.9% (26) of patients. All patients who were withheld reinitiated KEYTRUDA after symptom improvement; of these, 23% had recurrence. Pneumonitis resolved in 59% of the 94 patients.

Pneumonitis occurred in 8% (31/389) of adult patients with cHL receiving KEYTRUDA as a single agent, including Grades 3-4 in 2.3% of patients. Patients received high-dose corticosteroids for a median duration of 10 days (range: 2 days to 53 months). Pneumonitis rates were similar in patients with and without prior thoracic radiation. Pneumonitis led to discontinuation of KEYTRUDA in 5.4% (21) of patients. Of the patients who developed pneumonitis, 42% interrupted KEYTRUDA, 68% discontinued KEYTRUDA, and 77% had resolution.

Immune-Mediated Colitis

KEYTRUDA can cause immune-mediated colitis, which may present with diarrhea. Cytomegalovirus infection/reactivation has been reported in patients with corticosteroid-refractory immune-mediated colitis. In cases of corticosteroid-refractory colitis, consider repeating infectious workup to exclude alternative etiologies. Immune-mediated colitis occurred in 1.7% (48/2799) of patients receiving KEYTRUDA, including Grade 4 (