Study of Pembrolizumab (MK-3475) in Participants With Advanced Solid Tumors (MK-3475-158/KEYNOTE-158)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE2

Total Enrollment

1609 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-12-18

Study Completion Date

2027-05-04

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

In this study, participants with multiple types of advanced (unresectable and/or metastatic) solid tumors who have progressed on standard of care therapy will be treated with pembrolizumab (MK-3475).

Related Clinical Trials

Explore similar clinical trials based on study characteristics and research focus.

Study of Pembrolizumab (MK-3475) in Participants With Progressive Locally Advanced or Metastatic Carcinoma, Melanoma, or Non-small Cell Lung Carcinoma (P07990/MK-3475-001/KEYNOTE-001)

NCT01295827

Cancer, Solid Tumor

COMPLETED PHASE1

Study of Pembrolizumab (MK-3475) Monotherapy in Advanced Solid Tumors and Pembrolizumab Combination Therapy in Advanced Non-small Cell Lung Cancer/ Extensive-disease Small Cell Lung Cancer (MK-3475-011/KEYNOTE-011)

NCT01840579

Solid Tumor Non-small Cell Lung Cancer Small Cell Lung Cancer

COMPLETED PHASE1

Study of Pemetrexed+Platinum Chemotherapy With or Without Pembrolizumab (MK-3475) in Participants With First Line Metastatic Nonsquamous Non-small Cell Lung Cancer (MK-3475-189/KEYNOTE-189)

NCT02578680

Non-Small-Cell Lung Carcinoma

COMPLETED PHASE3

Study of Pembrolizumab (MK-3475) in Participants With Advanced Non-small Cell Lung Cancer (MK-3475-025/KEYNOTE-025)

NCT02007070

Non-small Cell Lung Cancer

COMPLETED PHASE1

Pembrolizumab With Combination Chemotherapy in Treating Participants With Locally Advanced or Metastatic Small Cell/Neuroendocrine Cancers of Urothelium or Prostate

NCT03582475

Bladder Small Cell Neuroendocrine Carcinoma Castration-Resistant Prostate Carcinoma Metastatic Bladder Urothelial Carcinoma +14 more

ACTIVE_NOT_RECRUITING PHASE1

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Advanced Cancer Anal Carcinoma Anal Cancer Biliary Cancer Cholangiocarcinoma Bile Duct Cancer Neuroendocrine Tumor Carcinoid Tumor Endometrial Carcinoma Endometrial Cancer Cervical Carcinoma Cervical Cancer Vulvar Carcinoma Vulvar Cancer Small Cell Lung Carcinoma Small Cell Lung Cancer (SCLC) Mesothelioma Thyroid Carcinoma Thyroid Cancer Salivary Gland Carcinoma Salivary Gland Cancer Salivary Cancer Parotid Gland Cancer Advanced Solid Tumors Colorectal Carcinoma

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Pembrolizumab 200 mg

Participants will receive pembrolizumab 200 mg intravenously on Day 1 of each 3-week cycle for up to 35 administrations (up to approximately 2 years of treatment).

Group Type EXPERIMENTAL

pembrolizumab

Intervention Type BIOLOGICAL

intravenous infusion

Pembrolizumab 400 mg

Participants with any advanced solid tumor that has failed at least one line of therapy and is Tumor- Mutational Burden-High (TMB-H), excluding participants with mismatch repair deficient (dMMR/MSI-H) tumors. The dosing regimen for this cohort will be 400 mg every 6 weeks (Q6W) for up to 18 administrations (up to approximately 2 years of treatment).

Group Type EXPERIMENTAL

pembrolizumab

Intervention Type BIOLOGICAL

intravenous infusion

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

pembrolizumab

intravenous infusion

Intervention Type BIOLOGICAL

pembrolizumab

intravenous infusion

Intervention Type BIOLOGICAL

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

MK-3475 SCH 900475 KEYTRUDA® MK-3475 SCH 900475 KEYTRUDA®

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

\- Histologically or cytologically-documented, advanced solid tumor of one of the following types:

* Anal Squamous Cell Carcinoma
* Biliary Adenocarcinoma (gallbladder or biliary tree (intrahepatic or extrahepatic cholangiocarcinoma) except Ampulla of Vater cancers)
* Neuroendocrine Tumors (well- and moderately-differentiated) of the lung, appendix, small intestine, colon, rectum, or pancreas
* Endometrial Carcinoma (sarcomas and mesenchymal tumors are excluded)
* Cervical Squamous Cell Carcinoma
* Vulvar Squamous Cell Carcinoma
* Small Cell Lung Carcinoma
* Mesothelioma
* Thyroid Carcinoma
* Salivary Gland Carcinoma (sarcomas and mesenchymal tumors are excluded)
* Any advanced solid tumor, with the exception of colorectal carcinoma (CRC), which is Microsatellite Instability (MSI)-High (MSI-H) OR
* Any advanced solid tumor (including Colorectal Carcinoma \[CRC\]) which is Mismatch Repair Deficient (dMMR)/MSI-H in participants from mainland China who are of Chinese descent. (CRC participants will have a histologically proven locally advanced unresectable or metastatic CRC which is dMMR/MSI-H that has received 2 prior lines of therapy) OR
* Any advanced solid tumor that has failed at least one line of therapy and is TMB-H (≥10 mut/Mb, F1CDx assay), excluding dMMR/MSI-H tumors.

Note: For participants to be eligible for enrollment they must have failed at least one line of standard of care systemic therapy (ie, not treatment naïve), with the exception of CRC participants who must have failed at least 2 lines of standard of care systemic therapy, as per CRC specific eligibility criteria. Participants must not have melanoma or NSCLC.

* Progression of tumor or intolerance to therapies known to provide clinical benefit. There is no limit to the number of prior treatment regimens
* Can supply tumor tissue for study analyses (dependent on tumor type)
* Radiologically-measurable disease
* Performance status of 0 or 1 on the Eastern Cooperative Oncology Group (ECOG) Performance Scale within 3 days prior to first dose of pembrolizumab
* Life expectancy of at least 3 months
* Adequate organ function
* Female participants of childbearing potential must be willing to use adequate contraception during the intervention period and for at least the time needed to eliminate each study intervention after the last dose of study intervention. and agrees not to donate eggs (ova, oocytes) to others or freeze/store for her own use for the purpose of reproduction during this period. The length of time required to continue contraception for each study intervention is as follows: MK-3475 (120 days)

Exclusion Criteria

* Currently participating and receiving study therapy or has participated in a study of an investigational agent and received study therapy or used an investigational device within 4 weeks of the first dose of study treatment
* Diagnosis of immunodeficiency or receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of study treatment
* Active autoimmune disease that has required systemic treatment in the past 2 years
* Prior anti-cancer monoclonal antibody (mAb) within 4 weeks prior to study Day 1 or not recovered from an adverse event caused by mAbs administered more than 4 weeks earlier
* Prior chemotherapy, targeted small molecule therapy, or radiation therapy within 2 weeks of study Day 1 or not recovered from adverse events caused by a previously administered agent
* Known additional malignancy within 2 years prior to enrollment with the exception of curatively treated basal cell carcinoma of the skin, squamous cell carcinoma of the skin and/or curatively resected in situ cancers
* Known active central nervous system (CNS) metastases and/or carcinomatous meningitis
* Has known glioblastoma multiforme of the brain stem
* Has a history of (noninfectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease.
* Active infection requiring systemic therapy
* Known psychiatric or substance abuse disorders that would interfere with the participant's ability to cooperate with the requirements of the study
* Pregnant, 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 study treatment
* Previously participated in any other pembrolizumab (MK-3475) study, or received prior therapy with an anti-programmed cell death (PD)-1, anti-PD-Ligand 1 (anti-PD-L1), anti-PD-Ligand 2 (anti-PD-L2), or any other immunomodulating mAb or drug specifically targeting T-cell co-stimulation or checkpoint pathways
* Known history of Human Immunodeficiency Virus (HIV)
* Known active Hepatitis B or C
* Received live vaccine within 30 days of planned start of study treatment
* Has severe hypersensitivity (≥Grade 3) to pembrolizumab and/or any of its excipients
* Known history of active tuberculosis (TB, Bacillus tuberculosis)
* Has had an allogenic tissue/solid organ transplant.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Medical Director

Role: STUDY_DIRECTOR

Merck Sharp & Dohme LLC

References

Explore related publications, articles, or registry entries linked to this study.

Marabelle A, Le DT, Ascierto PA, Di Giacomo AM, De Jesus-Acosta A, Delord JP, Geva R, Gottfried M, Penel N, Hansen AR, Piha-Paul SA, Doi T, Gao B, Chung HC, Lopez-Martin J, Bang YJ, Frommer RS, Shah M, Ghori R, Joe AK, Pruitt SK, Diaz LA Jr. Efficacy of Pembrolizumab in Patients With Noncolorectal High Microsatellite Instability/Mismatch Repair-Deficient Cancer: Results From the Phase II KEYNOTE-158 Study. J Clin Oncol. 2020 Jan 1;38(1):1-10. doi: 10.1200/JCO.19.02105. Epub 2019 Nov 4.

Reference Type RESULT

PMID: 31682550 (View on PubMed)

Marabelle A, O'Malley DM, Hendifar AE, Ascierto PA, Motola-Kuba D, Penel N, Cassier PA, Bariani G, De Jesus-Acosta A, Doi T, Longo F, Miller WH Jr, Oh DY, Gottfried M, Yao L, Jin F, Gozman A, Maio M. Pembrolizumab in microsatellite-instability-high and mismatch-repair-deficient advanced solid tumors: updated results of the KEYNOTE-158 trial. Nat Cancer. 2025 Feb;6(2):253-258. doi: 10.1038/s43018-024-00894-y. Epub 2025 Feb 20.

Reference Type RESULT

PMID: 39979665 (View on PubMed)

Wu X, Mao Y, Xu N, Bai Y, Wang D, Chen X, Yin X, Deng Y, Yang J, Zhang J, Tang J, Huang Y, Li J, Luo S, Zheng H, Zhao W, Xu M, Li N, Mao Y, Gozman A, Xu J. Pembrolizumab in Patients of Chinese Descent with Microsatellite Instability-high/Mismatch Repair Deficient Advanced Solid Tumors: KEYNOTE-158 Final Analysis. Adv Ther. 2025 May;42(5):2480-2489. doi: 10.1007/s12325-025-03142-6. Epub 2025 Mar 22.

Reference Type DERIVED

PMID: 40121391 (View on PubMed)

Oh DY, Algazi A, Capdevila J, Longo F, Miller W Jr, Chun Bing JT, Bonilla CE, Chung HC, Guren TK, Lin CC, Motola-Kuba D, Shah M, Hadoux J, Yao L, Jin F, Norwood K, Lebellec L. Efficacy and safety of pembrolizumab monotherapy in patients with advanced thyroid cancer in the phase 2 KEYNOTE-158 study. Cancer. 2023 Apr 15;129(8):1195-1204. doi: 10.1002/cncr.34657. Epub 2023 Feb 7.

Reference Type DERIVED

PMID: 36748723 (View on PubMed)

O'Malley DM, Bariani GM, Cassier PA, Marabelle A, Hansen AR, De Jesus Acosta A, Miller WH Jr, Safra T, Italiano A, Mileshkin L, Amonkar M, Yao L, Jin F, Norwood K, Maio M. Health-related quality of life with pembrolizumab monotherapy in patients with previously treated advanced microsatellite instability high/mismatch repair deficient endometrial cancer in the KEYNOTE-158 study. Gynecol Oncol. 2022 Aug;166(2):245-253. doi: 10.1016/j.ygyno.2022.06.005. Epub 2022 Jul 11.

Reference Type DERIVED

PMID: 35835611 (View on PubMed)

Even C, Delord JP, Price KA, Nakagawa K, Oh DY, Burge M, Chung HC, Doi T, Fakih M, Takahashi S, Yao L, Jin F, Norwood K, Hansen AR. Evaluation of pembrolizumab monotherapy in patients with previously treated advanced salivary gland carcinoma in the phase 2 KEYNOTE-158 study. Eur J Cancer. 2022 Aug;171:259-268. doi: 10.1016/j.ejca.2022.05.007. Epub 2022 Jun 28.

Reference Type DERIVED

PMID: 35777186 (View on PubMed)

Maio M, Ascierto PA, Manzyuk L, Motola-Kuba D, Penel N, Cassier PA, Bariani GM, De Jesus Acosta A, Doi T, Longo F, Miller WH, Oh DY, Gottfried M, Xu L, Jin F, Norwood K, Marabelle A. Pembrolizumab in microsatellite instability high or mismatch repair deficient cancers: updated analysis from the phase II KEYNOTE-158 study. Ann Oncol. 2022 Sep;33(9):929-938. doi: 10.1016/j.annonc.2022.05.519. Epub 2022 Jun 6.

Reference Type DERIVED

PMID: 35680043 (View on PubMed)

Maio M, Amonkar MM, Norquist JM, Ascierto PA, Manzyuk L, Motola-Kuba D, Penel N, Cassier PA, Bariani GM, De Jesus Acosta A, Doi T, Longo F, Miller WH Jr, Oh DY, Gottfried M, Wang R, Norwood K, Marabelle A. Health-related quality of life in patients treated with pembrolizumab for microsatellite instability-high/mismatch repair-deficient advanced solid tumours: Results from the KEYNOTE-158 study. Eur J Cancer. 2022 Jul;169:188-197. doi: 10.1016/j.ejca.2022.03.040. Epub 2022 May 16.

Reference Type DERIVED

PMID: 35588692 (View on PubMed)

Shapira-Frommer R, Mileshkin L, Manzyuk L, Penel N, Burge M, Piha-Paul SA, Girda E, Lopez Martin JA, van Dongen MGJ, Italiano A, Xu L, Jin F, Norwood K, Ott PA. Efficacy and safety of pembrolizumab for patients with previously treated advanced vulvar squamous cell carcinoma: Results from the phase 2 KEYNOTE-158 study. Gynecol Oncol. 2022 Aug;166(2):211-218. doi: 10.1016/j.ygyno.2022.01.029. Epub 2022 Mar 28.

Reference Type DERIVED

PMID: 35361487 (View on PubMed)

Marabelle A, Cassier PA, Fakih M, Kao S, Nielsen D, Italiano A, Guren TK, van Dongen MGJ, Spencer K, Bariani GM, Ascierto PA, Santoro A, Shah M, Asselah J, Iqbal S, Takahashi S, Piha-Paul SA, Ott PA, Chatterjee A, Jin F, Norwood K, Delord JP. Pembrolizumab for previously treated advanced anal squamous cell carcinoma: results from the non-randomised, multicohort, multicentre, phase 2 KEYNOTE-158 study. Lancet Gastroenterol Hepatol. 2022 May;7(5):446-454. doi: 10.1016/S2468-1253(21)00382-4. Epub 2022 Feb 1.

Reference Type DERIVED

PMID: 35114169 (View on PubMed)

O'Malley DM, Bariani GM, Cassier PA, Marabelle A, Hansen AR, De Jesus Acosta A, Miller WH Jr, Safra T, Italiano A, Mileshkin L, Xu L, Jin F, Norwood K, Maio M. Pembrolizumab in Patients With Microsatellite Instability-High Advanced Endometrial Cancer: Results From the KEYNOTE-158 Study. J Clin Oncol. 2022 Mar 1;40(7):752-761. doi: 10.1200/JCO.21.01874. Epub 2022 Jan 6.

Reference Type DERIVED

PMID: 34990208 (View on PubMed)

Yap TA, Nakagawa K, Fujimoto N, Kuribayashi K, Guren TK, Calabro L, Shapira-Frommer R, Gao B, Kao S, Matos I, Planchard D, Chatterjee A, Jin F, Norwood K, Kindler HL. Efficacy and safety of pembrolizumab in patients with advanced mesothelioma in the open-label, single-arm, phase 2 KEYNOTE-158 study. Lancet Respir Med. 2021 Jun;9(6):613-621. doi: 10.1016/S2213-2600(20)30515-4. Epub 2021 Apr 6.

Reference Type DERIVED

PMID: 33836153 (View on PubMed)

Marabelle A, Fakih M, Lopez J, Shah M, Shapira-Frommer R, Nakagawa K, Chung HC, Kindler HL, Lopez-Martin JA, Miller WH Jr, Italiano A, Kao S, Piha-Paul SA, Delord JP, McWilliams RR, Fabrizio DA, Aurora-Garg D, Xu L, Jin F, Norwood K, Bang YJ. Association of tumour mutational burden with outcomes in patients with advanced solid tumours treated with pembrolizumab: prospective biomarker analysis of the multicohort, open-label, phase 2 KEYNOTE-158 study. Lancet Oncol. 2020 Oct;21(10):1353-1365. doi: 10.1016/S1470-2045(20)30445-9. Epub 2020 Sep 10.

Reference Type DERIVED

PMID: 32919526 (View on PubMed)

Piha-Paul SA, Oh DY, Ueno M, Malka D, Chung HC, Nagrial A, Kelley RK, Ros W, Italiano A, Nakagawa K, Rugo HS, de Braud F, Varga AI, Hansen A, Wang H, Krishnan S, Norwood KG, Doi T. Efficacy and safety of pembrolizumab for the treatment of advanced biliary cancer: Results from the KEYNOTE-158 and KEYNOTE-028 studies. Int J Cancer. 2020 Oct 15;147(8):2190-2198. doi: 10.1002/ijc.33013. Epub 2020 May 2.

Reference Type DERIVED

PMID: 32359091 (View on PubMed)

Strosberg J, Mizuno N, Doi T, Grande E, Delord JP, Shapira-Frommer R, Bergsland E, Shah M, Fakih M, Takahashi S, Piha-Paul SA, O'Neil B, Thomas S, Lolkema MP, Chen M, Ibrahim N, Norwood K, Hadoux J. Efficacy and Safety of Pembrolizumab in Previously Treated Advanced Neuroendocrine Tumors: Results From the Phase II KEYNOTE-158 Study. Clin Cancer Res. 2020 May 1;26(9):2124-2130. doi: 10.1158/1078-0432.CCR-19-3014. Epub 2020 Jan 24.

Reference Type DERIVED

PMID: 31980466 (View on PubMed)

Chung HC, Ros W, Delord JP, Perets R, Italiano A, Shapira-Frommer R, Manzuk L, Piha-Paul SA, Xu L, Zeigenfuss S, Pruitt SK, Leary A. Efficacy and Safety of Pembrolizumab in Previously Treated Advanced Cervical Cancer: Results From the Phase II KEYNOTE-158 Study. J Clin Oncol. 2019 Jun 10;37(17):1470-1478. doi: 10.1200/JCO.18.01265. Epub 2019 Apr 3.

Reference Type DERIVED

PMID: 30943124 (View on PubMed)