MedPath

Pembrolizumab

Generic Name
Pembrolizumab
Brand Names
Keytruda
Drug Type
Biotech
Chemical Formula
-
CAS Number
1374853-91-4
Unique Ingredient Identifier
DPT0O3T46P
Background

Pembrolizumab is a highly selective IgG4-kappa humanized monoclonal antibody against PD-1 receptors. It was generated by grafting the variable sequences of a very high-affinity mouse antihuman PD-1 antibody onto a human IgG4-kappa isotype containing a stabilizing S228P Fc mutation. It contains 32 cysteine residues and the complete folded molecule includes 4 disulfide linkages as interchain bonds and 23 interchain bonds. It was developed by Merck & Co and first approved for the treatment of metastatic malignant melanoma by the FDA on September 4, 2014, becoming the first approved therapy against PD-1. In the time since its initial approval, pembrolizumab has been granted approval in the treatment of a wide variety of cancers.

Indication

Pembrolizumab is indicated for the following conditions:

For all approved adult indications, pembrolizumab may be used for an additional 6 weeks at 400mg weekly.

Associated Conditions
Advanced Endometrial Cancer, Advanced Renal Cell Carcinoma, Hepatocellular Carcinoma, Locally Advanced Cutaneous Squamous Cell Carcinoma, Locally Advanced or Metastatic Urothelial Carcinoma (UC), Metastatic Adenocarcinoma of the Gastroesophageal Junction, Metastatic Cervical Cancer, Metastatic Esophageal Carcinoma, Metastatic Melanoma, Metastatic Non-Small Cell Lung Cancer, Metastatic Renal Cell Carcinoma ( mRCC), Metastatic Squamous Cell Carcinoma of the Head and Neck (HNSCC), Metastatic Triple Negative Breast Cancers, Metastatic Urothelial Carcinoma (UC), Metastatic cutaneous squamous cell carcinoma, Metastic Renal Cell Carcinoma, Non-Small Cell Lung Cancer (NSCLC), Nonsmall Cell Lung Cancer, Stage II, Persistent Cervical Cancer, Recurrent Cervical Cancer, Refractory Primary Mediastinal Large B-Cell Cell Lymphoma, Renal Cell Carcinoma (RCC), Resectable Non-small Cell Lung Cancer, Stage IB Non-small Cell Lung Cancer, Stage IIB Melanoma, Stage IIC Melanoma, Stage III Melanoma, Stage IIIA Non Small Cell Lung Cancer, Unresectable Melanoma, Advanced Microsatellite Instability High Endometrial Carcinoma, Advanced Mismatch Repair-deficient (dMMR) Endometrial Carcinoma, High risk, early Triple Negative Breast Cancer, High risk, in situ Non-Muscle Invasive Bladder Cancer (NMIBC) Refractory to BCG, Locally advanced Adenocarcinomas of the Gastroesophageal Junction, Locally advanced Esophageal Carcinoma, Locally advanced Urothelial Carcinoma, Metastatic HER2-positive Adenocarcinoma of the Stomach, Metastatic HER2-positive Adenocarcinomas of the Gastroesophageal Junction, Metastatic High Tumor Mutation Burden Solid Tumors, Metastatic Merkel Cell Carcinoma (MCC), Metastatic Microsatellite Instability High Colorectal Cancer, Metastatic Microsatellite Instability-High (MSI-H) Solid Tumors, Metastatic Mismatch Repair Deficient Colorectal Cancer, Metastatic Mismatch repair deficient (dMMR) solid tumors, Recurrent Cutaneous Squamous Cell Carcinoma, Recurrent Squamous Cell Carcinoma of the Head and Neck (SCCHN), Recurrent, locally advanced Adenocarcinomas of the Gastroesophageal Junction, Recurrent, locally advanced Merkel Cell Carcinoma, Refractory Classical Hodgkin's Lymphoma, Relapsed Classical Hodgkin's Lymphoma, Stage 3 Non-Small Cell Lung Carcinoma (NSCLC), Unresectable High Tumor Mutation Burden Solid Tumors, Unresectable Microsatellite Instability High Colorectal Cancer, Unresectable Microsatellite Instability-High (MSI-H) Solid Tumors, Unresectable Mismatch Repair Deficient Colorectal Cancer, Unresectable Mismatch repair deficient (dMMR) solid tumors, Unresectable, locally advanced HER2-positive Adenocarcinoma of the Stomach, Unresectable, locally advanced HER2-positive Adenocarcinomas of the Gastroesophageal Junction, Unresectable, locally recurrent Triple Negative Breast Cancer, Unresectable, recurrent Squamous Cell Carcinoma of the Head and Neck (SCCHN)
Associated Therapies
-

Metformin Plus/Minus Fasting Mimicking Diet to Target the Metabolic Vulnerabilities of LKB1-inactive Lung Adenocarcinoma

Phase 2
Conditions
Advanced LKB1-inactive Lung Adenocarcinoma
Interventions
First Posted Date
2018-10-17
Last Posted Date
2020-11-16
Lead Sponsor
Marina Garassino
Target Recruit Count
64
Registration Number
NCT03709147
Locations
🇮🇹

Marina Chiara Garassino, Milan, Italy

Pilot Immunotherapy Study With Letetresgene Autoleucel (Lete-cel, GSK3377794)T-cells in New York Esophageal Squamous Cell Carcinoma-1 (NY-ESO-1)/ LAGE-1a-positive Advanced Non-small Cell Lung Cancer (NSCLC) Either Alone or in Combination With Pembrolizumab

Phase 1
Terminated
Conditions
Neoplasms
Interventions
Drug: Lete-cel
Drug: Pembrolizumab
First Posted Date
2018-10-17
Last Posted Date
2024-02-23
Lead Sponsor
GlaxoSmithKline
Target Recruit Count
34
Registration Number
NCT03709706
Locations
🇬🇧

GSK Investigational Site, Manchester, United Kingdom

A Study to Compare the Administration of Pembrolizumab After Surgery Versus Administration Both Before and After Surgery for High-Risk Melanoma

Phase 2
Active, not recruiting
Conditions
Acral Lentiginous Melanoma
Clinical Stage IV Cutaneous Melanoma AJCC v8
Clinical Stage III Cutaneous Melanoma AJCC v8
Mucosal Melanoma
Interventions
Procedure: Biospecimen Collection
Procedure: Computed Tomography
Procedure: Magnetic Resonance Imaging
Biological: Pembrolizumab
Procedure: Therapeutic Conventional Surgery
First Posted Date
2018-10-05
Last Posted Date
2024-12-04
Lead Sponsor
National Cancer Institute (NCI)
Target Recruit Count
313
Registration Number
NCT03698019
Locations
🇺🇸

Kaiser Permanente Sacramento Medical Center, Sacramento, California, United States

🇺🇸

Lutheran Hospital - Cancer Centers of Colorado, Golden, Colorado, United States

🇺🇸

Good Samaritan Hospital - Cancer Centers of Colorado, Lafayette, Colorado, United States

and more 817 locations

Pembrolizumab in Treating Patients with Stage IB-IV Mycosis Fungoides

Phase 2
Completed
Conditions
Mycosis Fungoides
Sezary Syndrome
Stage IB Mycosis Fungoides and Sezary Syndrome AJCC V8
Stage II Mycosis Fungoides and Sezary Syndrome AJCC V8
Stage IIA Mycosis Fungoides and Sezary Syndrome AJCC V8
Stage IIB Mycosis Fungoides and Sezary Syndrome AJCC V8
Stage III Mycosis Fungoides and Sezary Syndrome AJCC V8
Stage IIIA Mycosis Fungoides and Sezary Syndrome AJCC V8
Stage IIIB Mycosis Fungoides and Sezary Syndrome AJCC V8
Stage IV Mycosis Fungoides and Sezary Syndrome AJCC V8
Interventions
First Posted Date
2018-10-04
Last Posted Date
2024-12-09
Lead Sponsor
Mayo Clinic
Target Recruit Count
9
Registration Number
NCT03695471
Locations
🇺🇸

Mayo Clinic in Florida, Jacksonville, Florida, United States

Window of Opportunity Pilot Study of Pembrolizumab in Obesity-driven Endometrial Cancer

Early Phase 1
Terminated
Conditions
Endometrial Cancer
Uterine Cancer
Interventions
Drug: Pembrolizumab
Procedure: Hysterectomy
First Posted Date
2018-10-03
Last Posted Date
2023-11-28
Lead Sponsor
UNC Lineberger Comprehensive Cancer Center
Target Recruit Count
3
Registration Number
NCT03694834
Locations
🇺🇸

Lineberger Comprehensive Cancer Center, Chapel Hill, North Carolina, United States

First-time-in-human (FTIH) Study of GSK3145095 Alone and in Combination With Other Anticancer Agents in Adults With Advanced Solid Tumors

Phase 2
Terminated
Conditions
Neoplasms, Pancreatic
Interventions
Drug: GSK3145095
Drug: Pembrolizumab
First Posted Date
2018-09-24
Last Posted Date
2020-07-31
Lead Sponsor
GlaxoSmithKline
Target Recruit Count
8
Registration Number
NCT03681951
Locations
🇺🇸

GSK Investigational Site, Houston, Texas, United States

Pembrolizumab (MK-3475) Plus Chemotherapy Versus Placebo Plus Chemotherapy in Participants Gastric or Gastroesophageal Junction (GEJ) Adenocarcinoma (MK-3475-859/KEYNOTE-859)

First Posted Date
2018-09-18
Last Posted Date
2024-12-02
Lead Sponsor
Merck Sharp & Dohme LLC
Target Recruit Count
1579
Registration Number
NCT03675737
Locations
🇨🇷

CIMCA Centro de Investigacion y Manejo del Cancer ( Site 3001), San Jose, Costa Rica

🇨🇷

Policlinico San Bosco ( Site 3002), San Jose, Costa Rica

🇨🇷

ICIMED - Instituto de Investigacion en Ciencias Medicas ( Site 3000), San Jose, Costa Rica

and more 212 locations

Immunotherapy +/- EGFR Inhibitor In Advanced/Metastatic cSCC: Tackling Primary And Secondary Resistance

Phase 2
Conditions
Skin Neoplasm
Interventions
First Posted Date
2018-09-11
Last Posted Date
2018-09-11
Lead Sponsor
Fondazione IRCCS Istituto Nazionale dei Tumori, Milano
Target Recruit Count
43
Registration Number
NCT03666325
Locations
🇮🇹

ASST Spedali Civili di Brescia, Brescia, BS, Italy

🇮🇹

Istituto IRCCS AOU S. Martino, Genova, Italy

🇮🇹

Istituto Europeo di Oncologia, Milan, MI, Italy

and more 4 locations

Biomarkers of Response to Pembrolizumab Combined With Chemotherapy in Non-Small Cell Lung Cancer (KEYNOTE-782, MK-3475-782)

Phase 2
Completed
Conditions
Non-Small Cell Lung Cancer
Interventions
First Posted Date
2018-09-10
Last Posted Date
2024-08-22
Lead Sponsor
Merck Sharp & Dohme LLC
Target Recruit Count
118
Registration Number
NCT03664024
Locations
🇨🇦

CISSS de la Monteregie-Centre ( Site 0801), Greenfield Park, Quebec, Canada

🇭🇺

Jasz Nagykun Szolnok Megyei Hetenyi Geza Korhaz Rendelointezet ( Site 0401), Szolnok, Hungary

🇮🇱

Meir Medical Center ( Site 0501), Kfar-Saba, Israel

and more 12 locations
© Copyright 2025. All Rights Reserved by MedPath