Carcinoma, Squamous Cell, Non-small-cell LungPhase 3NCT03976362
A Study of Pembrolizumab (MK-3475) With or Without Maintenance Olaparib in First-line Metastatic Squamous Non-small Cell Lung Cancer (NSCLC, MK-7339-008/KEYLYNK-008)
A Phase 3 study testing Pembrolizumab, Carboplatin and Paclitaxel in people with Carcinoma, Squamous Cell, Non-small-cell Lung, run by Merck Sharp & Dohme LLC at 178 sites in 20 countries.
Trial summary
The current study will compare pembrolizumab (MK-3475) plus maintenance olaparib, vs. pembrolizumab plus maintenance olaparib placebo for the treatment of squamous NSCLC. The study's 2 primary hypotheses are: 1. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Carcinoma, Squamous Cell, Non-small-cell Lung
- What is being tested?
- Pembrolizumab, Carboplatin and Paclitaxel
- Type of treatment
- Pill or oral medicine, Injection or infusion
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 851 participants
- Where
- 178 sitesin 20 countries
- Study dates
- 28 Jun 2019to 30 Jan 2026
- Phase
- Phase 3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Have a histologically or cytologically confirmed diagnosis squamous NSCLC.
- Have Stage IV squamous NSCLC.
- Have measurable disease based on RECIST 1.1.
- Have not received prior systemic treatment for their advanced/metastatic NSCLC.
- Have provided archival tumor tissue sample or newly obtained core or incisional biopsy of a tumor lesion not previously irradiated.
- Note: Adequacy of biopsy specimen for the above analyses must be confirmed by the central laboratory before the participant can receive study intervention(s). Submission of another tumor specimen may be required prior to enrolling the participant, if adequate tumor tissue was not provided the first time.
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- Have a performance status of 0 or 1 on the Eastern Cooperative Oncology Group (ECOG) Performance Status assessed within 7 days prior to the administration of study intervention
- Have a life expectancy of at least 3 months.
- Has adequate organ function.
- Male and female participants who are not pregnant and of childbearing potential must follow contraceptive guidance during the treatment period and for 180 days afterwards.
- Male participants must refrain from donating sperm during the treatment period and for 180 days afterwards.
Who cannot join
- Has non-squamous histology NSCLC.
- Has a known additional malignancy that is progressing or has progressed within the past 3 years requiring active treatment.
- Has known active central nervous system metastases and/or carcinomatous meningitis.
- Has a known hypersensitivity to any components or excipients of carboplatin, paclitaxel or nab-paclitaxel, or olaparib.
- Has a severe hypersensitivity (≥Grade 3) to pembrolizumab and/or any of its excipients.
- Has an active autoimmune disease that has required systemic treatment in past 2 years.
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- Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy.
- Has a known history of human immunodeficiency virus (HIV) infection, a known history of hepatitis B infection, or known active hepatitis C virus infection.
- Has interstitial lung disease, or history of pneumonitis requiring systemic steroids for treatment.
- Has received prior therapy with olaparib or with any other polyadenosine 5' diphosphoribose (polyADP ribose) polymerization (PARP) inhibitor.
- Has received prior therapy with an agent directed to programmed cell death ligand 1 (PD-L1), anti PD-L2, or directed to a stimulatory or co-inhibitory T-cell receptor (e.g., cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), OX-40, CD137).
- Has myelodysplastic syndrome (MDS)/acute myeloid leukemia (AML) or with features suggestive of MDS/AML.
Trial locations and contacts
178 sites in 20 countries.
178 sites in 20 countries
United States18 sites
MedStar Franklin Square Medical Center ( Site 0044)
Baltimore, Maryland, 21237
Frontier Oncology ( Site 0052)
Billings, Montana, 59102
Alabama Oncology Bruno Cancer Center ( Site 0001)
Birmingham, Alabama, 35205
Boca Raton Regional Hospital ( Site 0018)
Boca Raton, Florida, 33486
Bozeman Health Deaconness Cancer Center ( Site 0053)
Bozeman, Montana, 59715
Disney Family Cancer Center ( Site 0005)
Burbank, California, 91505
Waverly Hematology Oncology ( Site 0054)
Cary, North Carolina, 27518
Mount Sinai Hospital Medical Center ( Site 0035)
Chicago, Illinois, 60608
Columbus Regional Research Institute ( Site 0099)
Columbus, Georgia, 31904
Barbara Ann Karmanos Cancer Institute ( Site 0046)
Detroit, Michigan, 48201
Hattiesburg Clinic ( Site 0051)
Hattiesburg, Mississippi, 39401
Thompson Cancer Survival Center ( Site 2812)
Knoxville, Tennessee, 37804
Methodists Hospitals/Premier Oncology Hematology Associates ( Site 0039)
Merrillville, Indiana, 46410
Mid-Florida Cancer Centers ( Site 0022)
Orange City, Florida, 32763
Oncology of Northshore ( Site 0036)
Rolling Meadows, Illinois, 60008
Cancer Care Northwest ( Site 0083)
Spokane Valley, Washington, 99216
H. Lee Moffitt Cancer Center and Research Institute ( Site 0024)
Tampa, Florida, 33612
Renovatio Clinical ( Site 0074)
The Woodlands, Texas, 77380
Japan15 sites
National Hospital Organization Kyushu Medical Center ( Site 0805)
Fukuoka, 810-8563
Kansai Medical University Hospital ( Site 0804)
Hirakata, Osaka, 573-1191
Kanazawa University Hospital ( Site 0811)
Kanazawa, Ishikawa-ken, 920-8641
National Cancer Center Hospital East ( Site 0801)
Kashiwa, Chiba, 277-8577
Kurume University Hospital ( Site 0814)
Kurume, Fukuoka, 830-0011
National Hospital Organization Nagoya Medical Center ( Site 0806)
Nagoya, Aichi-ken, 460-0001
Aichi Cancer Center Hospital ( Site 0803)
Nagoya, Aichi-ken, 464-8681
Niigata Cancer Center Hospital ( Site 0808)
Niigata, 951-8566
Okayama University Hospital ( Site 0810)
Okayama, 700-8558
Osaka International Cancer Institute ( Site 0809)
Osaka, 541-8567
National Hospital Organization Kinki-chuo Chest Medical Center ( Site 0813)
Sakai, Osaka, 591-8555
Sendai Kousei Hospital ( Site 0812)
Sendai, Miyagi, 980-0873
Shizuoka Cancer Center Hospital and Research Institute ( Site 0802)
Sunto-gun, Shizuoka, 411-8777
The Cancer Institute Hospital of JFCR ( Site 0800)
Tokyo, 135-8550
Kanagawa Cancer Center ( Site 0807)
Yokohama, Kanagawa, 241-8515
Germany13 sites
Studienzentrum Aschaffenburg ( Site 1575)
Aschaffenburg, Bavaria, 63739
Universitaetsklinikum Bonn ( Site 1574)
Bonn, North Rhine-Westphalia, 53105
Helios Klinikum Erfurt GmbH ( Site 1552)
Erfurt, Thuringia, 99089
Kliniken Essen Mitte ( Site 1567)
Essen, North Rhine-Westphalia, 45136
Universitaetsklinikum Frankfurt ( Site 1563)
Frankfurt am Main, Hesse, 60590
Universitaetsmedizin Goettingen ( Site 1557)
Göttingen, Lower Saxony, 37075
Katholisches Marienkrankenhaus gGmbH ( Site 1572)
Hamburg, 22087
Pneumologische Lehrklinik Universitaet Goettingen ( Site 1551)
Immenhausen, Hesse, 34376
InVo-Institut fuer Versorgungsforschung in der Onkologie ( Site 1564)
Koblenz, Rhineland-Palatinate, 56068
Klinikum der LMU ( Site 1550)
Munich, Bavaria, 80336
Klinikum Bogenhausen Staedt. Klinikum Muenchen GmbH ( Site 1573)
Munich, Bavaria, 81925
Universitaetsklinikum Regensburg ( Site 1562)
Regensburg, Bavaria, 93042
Klinikum Wuerzburg Mitte gGmbH ( Site 1559)
Würzburg, Bavaria, 97074
Russia13 sites
Moscow Regional Oncological Dispensary ( Site 2028)
Balashikha, Moscow Oblast, 143900
Republican Clinical Oncology Dispensary of Tatarstan MoH ( Site 2021)
Kazan', Tatarstan, Respublika, 420029
Russian Oncological Research Center n.a. N.N.Blokhin of MoH ( Site 2000)
Moscow, Moscow, 115478
First Moscow State Medical University n.a. I.M.Sechenov ( Site 2024)
Moscow, Moscow, 119991
Moscow Research Oncology Institute named after P.A. Hertsen ( Site 2009)
Moscow, Moscow, 125284
FSAI Treatment and Rehabilitation Centre of the MoH and SD of RF ( Site 2006)
Moscow, Moscow, 125367
Nizhniy Novgorod Region Oncology Dispensary ( Site 2026)
Nizhny Novgorod, Nizhny Novgorod Oblast, 603081
Budgetary Healthcare Institution of Omsk Region Clinical Oncology Dispensary-Chemotherapy #1 ( Site
Omsk, Omsk Oblast, 644013
SBHI Leningrad Regional Clinical Hospital ( Site 2002)
Saint Petersburg, Sankt-Peterburg, 194291
SPb Central Clinical Railway Hospital ( Site 2003)
Saint Petersburg, Sankt-Peterburg, 195271
National Medical Research Center of Oncology N.A. N.N. Petrov ( Site 2004)
Saint Petersburg, Sankt-Peterburg, 197758
SPb SBHI City Clinical Oncological Dispensary ( Site 2001)
Saint Petersburg, Sankt-Peterburg, 198255
SBHI Samara Regional Clinical Oncology Dispensary ( Site 2016)
Samara, Samara Oblast, 443031
Ukraine12 sites
Cherkasy Regional Oncology Dispensary ( Site 2225)
Cherkasy, Cherkasy Oblast, 18009
City Clinical Hosp.4 of DCC ( Site 2215)
Dnipro, Dnipropetrovsk Oblast, 49102
MI Precarpathian Clinical Oncology Center ( Site 2218)
Ivano-Frankivsk, Ivano-Frankivsk Oblast, 76018
Grigoriev Institute for medical Radiology NAMS of Ukraine ( Site 2226)
Kharkiv, Kharkiv Oblast, 61024
Regional Centre of Oncology-Thoracic organs ( Site 2219)
Kharkiv, Kharkiv Oblast, 61070
Medical Center Asklepion LLC ( Site 2243)
Khodosovka, Kyivska Oblast, 08173
PP PPC Acinus Medical and Diagnostic Centre ( Site 2223)
Kropyvnytskyi, Kirovohrad Oblast, 25006
Kyiv City Clinical Oncology Centre ( Site 2224)
Kyiv, Kyivska Oblast, 03115
Medical and Diagnostic Centre LLC Dobryi Prognoz ( Site 2227)
Kyiv, Kyivska Oblast, 03126
Medical Center Verum ( Site 2228)
Kyiv, 03039
MI Odessa Regional Oncological Centre ( Site 2222)
Odesa, Odesa Oblast, 65055
Central City Clinical Hospital ( Site 2221)
Uzhhorod, Zakarpattia Oblast, 88000
Brazil11 sites
Oncologica do Brasil ( Site 0256)
Belém, Pará, 66053-000
Hospital Tacchini ( Site 0265)
Bento Gonçalves, Rio Grande do Sul, 95700-000
Instituto do Cancer do Ceara ( Site 0251)
Fortaleza, Ceará, 60430-230
Centro de Novos Tratamentos Itajai - Clinica de Neoplasias Litoral ( Site 0252)
Itajaí, Santa Catarina, 88301-220
Irmandade da Santa Casa de Misericordia de Porto Alegre ( Site 0255)
Porto Alegre, Rio Grande do Sul, 90050-170
Instituto Nacional do Cancer Jose Alencar Gomes da Silva INCA ( Site 0253)
Rio de Janeiro, 20230-130
Hospital Sao Rafael ( Site 0258)
Salvador - BA, Estado de Bahia, 41253-190
Hospital de Base de Sao Jose de Rio Preto ( Site 0254)
Sao Jose Rio Preto, São Paulo, 15090-000
Instituto do Cancer do Estado de Sao Paulo - ICESP ( Site 0250)
São Paulo, 01246-000
Hospital Paulistano - Amil Clinical Research ( Site 0263)
São Paulo, 01321-001
Real e Benemerita Associacao Portuguesa de Beneficencia ( Site 0260)
São Paulo, 01321-001
Argentina10 sites
Hospital Italiano Regional del Sur ( Site 0509)
Bahía Blanca, Buenos Aires, B8001HXM
Hospital Britanico de Buenos Aires ( Site 0500)
Buenos Aires, Buenos Aires F.D., C1280AEB
Hospital Italiano de Buenos Aires ( Site 0511)
Buenos Aires, C1199ABB
Clínica Universitaria Reina Fabiola ( Site 0505)
Córdoba, X5004FHP
Instituto de Investigaciones Clinicas Mar del Plata ( Site 0516)
Mar del Plata, Buenos Aires, B7600FZO
Instituto Medico Rio Cuarto ( Site 0501)
Río Cuarto, Córdoba Province, X5800AEV
Sanatorio Parque ( Site 0515)
Rosario, Santa Fe Province, S2000DSV
Centro Oncológico de Rosario ( Site 0507)
Rosario, Santa Fe Province, S2000KZE
Centro Medico San Roque ( Site 0506)
San Miguel de Tucumán, Tucumán Province, T4000IAK
Sanatorio Privado San Geronimo S.R.L ( Site 0510)
Santa Fe, S3000AOL
France9 sites
CHU Angers ( Site 1405)
Angers, Maine-et-Loire, 49100
CHU Caen ( Site 1406)
Caen, Calvados, 14033
Centre Hospitalier De Chauny ( Site 1411)
Chauny, Aisne, 02300
Centre Jean Perrin ( Site 1407)
Clermont-Ferrand, Puy-de-Dome, 63011
Centre Hospitalier de Pau ( Site 1412)
Pau, Pyrenees-Atlantiques, 64000
CHU de Rouen ( Site 1403)
Rouen, Seine-Maritime, 76000
Hopital d'Instruction des Armees Begin ( Site 1413)
Saint-Mandé, Val-de-Marne, 94163
Institut De Cancerologie De Lorraine ( Site 1409)
Vandœuvre-lès-Nancy, Meurthe-et-Moselle, 54519
Hopital Robert Schuman ( Site 1402)
Vantoux, Moselle, 57070
South Korea9 sites
Chungbuk National University Hospital ( Site 1002)
Cheongju-si, North Chungcheong, 28644
National Cancer Center ( Site 1006)
Goyang-si, Kyonggi-do, 10408
The Catholic University of Korea St. Vincent s Hospital ( Site 1003)
Gyeonggi-do, Kyonggi-do, 16247
Gyeongsang National University Hospital ( Site 1005)
Jinju, Kyongsangnam-do, 52727
Seoul National University Hospital ( Site 1000)
Seoul, 03080
Severance Hospital Yonsei University Health System ( Site 1001)
Seoul, 03722
Korea University Guro Hospital ( Site 1008)
Seoul, 08308
Asan Medical Center ( Site 1007)
Songpa-gu, Seoul, 05505
Ajou University Hospital ( Site 1004)
Suwon, Kyonggi-do, 16499
Turkey (Türkiye)9 sites
Baskent Unv. Adana Uyg. ve Arast. Hastanesi ( Site 2101)
Adana, 01120
Gazi Universitesi Tip Fakultesi ( Site 2104)
Ankara, 06500
Ankara Sehir Hastanesi ( Site 2105)
Ankara, 06800
Bezmialem Vakif Univ. Tıp Fakultesi Hastanesi Tibbi Onkoloji Bolumu ( Site 2107)
Istanbul, 34093
Göztepe Prof. Dr. Süleyman Yalçın Şehir Hastanesi-oncology ( Site 2103)
Istanbul, 34722
Ege Universitesi Tip Fakultesi ( Site 2109)
Izmir, 35040
Erciyes Universitesi Tip Fakultesi ( Site 2108)
Kayseri, 38039
Ondokuz Mays Üniversitesi Tp Fakültesi Hastanesi-Oncology ( Site 2106)
Samsun, 55270
Namik Kemal Universitesi Tip Fakultesi ( Site 2100)
Tekirdağ, Tekirdas, 59100
United Kingdom9 sites
Birmingham Heartlands Hospital ( Site 1910)
Birmingham, B9 5SS
West Suffolk Hospitals NHS Trust ( Site 1919)
Bury St Edmunds, Suffolk, IP33 2QZ
Colchester General Hospital ( Site 1911)
Colchester, Worcestershire, CO4 5JL
Western General Hospital, Edinburgh ( Site 1924)
Edinburgh, United Kingdom, EH4 2XU
Barts Health NHS Trust - St Bartholomew s Hospital ( Site 1923)
London, London, City of, EC1M 6BQ
Chelsea and Westminster Hospital ( Site 1901)
London, London, City of, SW10 9NH
Newcastle Freeman Hospital ( Site 1902)
Newcastle upon Tyne, Newcastle Upon Tyne, NE7 7DN
Singleton Hospital ( Site 1909)
Swansea, Wales, SA2 8QA
Southend University Hospital NHS Foundation Trust ( Site 1913)
Westcliff-on-Sea, Essex, SS0 0RY
Canada8 sites
CISSS de la Monteregie-Centre ( Site 0101)
Greenfield Park, Quebec, J4V 2H1
Nova Scotia Health Authority ( Site 0103)
Halifax, Nova Scotia, B3H 1V7
Hamilton Health Sciences-Juravinski Cancer Centre ( Site 0107)
Hamilton, Ontario, L8V5C2
Kingston Health Sciences Centre ( Site 0102)
Kingston, Ontario, K7L 2V7
Hopital Cite de la Sante de Laval ( Site 0105)
Laval, Quebec, H7M 3L9
CIUSSS Ouest de l Ile - St-Mary s Hospital ( Site 0110)
Montreal, Quebec, H3T 1M5
Stronach Regional Cancer Centre ( Site 0100)
Newmarket, Ontario, L3Y 2P9
CIUSSS de la Mauricie et du Centre du Quebec ( Site 0106)
Trois-Rivières, Quebec, G8Z 3R9
Poland7 sites
Przychodnia Lekarska Komed ( Site 2416)
Konin, Greater Poland Voivodeship, 62-500
Krakowski Szpital Specjalistyczny im Jana Pawla II ( Site 2420)
Krakow, Lesser Poland Voivodeship, 31-202
Samodzielny Publiczny Zespol Gruzlicy i Chorob Pluc ( Site 2417)
Olsztyn, Lower Silesian Voivodeship, 10-357
MED-POLONIA Sp. z o.o. ( Site 2419)
Poznan, Greater Poland Voivodeship, 60-693
Szpital Rejonowy im. dr Jozefa Rostka ( Site 2402)
Racibórz, Silesian Voivodeship, 47-400
Narodowy Instytut Onkologii im. Marii Sklodowskiej-Curie - Panstwowy Instytut Badawczy w Warszawie (
Warsaw, Masovian Voivodeship, 02-781
Wielospecjalistyczny Szpital SPZOZ w Zgorzelcu ( Site 2404)
Zgorzelec, Lower Silesian Voivodeship, 59-900
Mexico6 sites
Hospital Civil de Guadalajara Fray Antonio Alcalde ( Site 0334)
Guadalajara, Jalisco, 44280
Investigacion Onco Farmaceutica S de RL de CV ( Site 0300)
La Paz, Baja California Sur, 23040
Arke Estudios Clinicos ( Site 0333)
Mexico City, Mexico City, 06700
Axis Heilsa S. de R.L. de C.V. ( Site 0301)
Monterrey, Nuevo León, 64060
CLIMERS Clinical Medical Research ( Site 0306)
Orizaba, Veracruz, 94300
FAICIC Clinical Research ( Site 0303)
Veracruz, 91900
Romania6 sites
S.C.Focus Lab Plus S.R.L ( Site 2502)
Bucharest, 022548
Cardiomed SRL Cluj-Napoca ( Site 2504)
Cluj-Napoca, Cluj, 400015
S.C. Radiotherapy Center Cluj S.R.L ( Site 2507)
Cluj-Napoca, Cluj, 407280
Spitalul Clinic Judetean de Urgenta Sf Apostol Andrei ( Site 2501)
Constanța, 900591
S.C. Centrul de Oncologie Sf. Nectarie SRL ( Site 2508)
Craiova, Dolj, 200347
Policlinica Oncomed SRL ( Site 2505)
Timișoara, Timiș County, 300239
Spain6 sites
Hospital Sant Creu i Sant Pau ( Site 1711)
Barcelona, 08041
Complejo Hospitalario de Jaen ( Site 1713)
Jaén, La Coruna, 23007
Hospital Duran i Reynals ( Site 1710)
L'Hospitalet de Llobregat, Barcelona, 08908
Hospital Universitario 12 de Octubre ( Site 1716)
Madrid, 28041
Complejo Hospitalario de Malaga ( Site 1714)
Málaga, 29010
Hospital Universitario Virgen Macarena ( Site 1712)
Seville, 41009
Taiwan6 sites
Chang Gung Medical Foundation. Kaohsiung Branch ( Site 0907)
Kaohsiung City, 83301
China Medical University Hospital ( Site 0904)
Taichung, 40447
National Cheng Kung University Hospital ( Site 0905)
Tainan, 704
National Taiwan University Hospital ( Site 0900)
Taipei, 10048
Mackay Memorial Hospital ( Site 0902)
Taipei, 104
Chang Gung Medical Foundation.Linkou Branch ( Site 0903)
Taoyuan, 333
Austria5 sites
Innsbruck LKH ( Site 1302)
Innsbruck, Tyrol, 6020
Ordensklinikum Linz GmbH Elisabethinen ( Site 1307)
Linz, Upper Austria, 4020
Social Medical Center - Otto Wagner Hospital ( Site 1301)
Vienna, State of Vienna, 1145
Krankenhaus Nord - Klinik Floridsdorf ( Site 1300)
Vienna, 1210
Klinikum Wels-Grieskirchen ( Site 1304)
Wels, Upper Austria, 4600
Australia4 sites
Monash Cancer Centre ( Site 1205)
Clayton, Victoria, 3168
Liverpool Hospital ( Site 1201)
Liverpool, New South Wales, 2170
Townsville General Hospital ( Site 1202)
Townsville, Queensland, 4814
Southern Medical Day Care Centre ( Site 1200)
Wollongong, New South Wales, 2500
New Zealand2 sites
MidCentral DHB Palmerston North Hospital ( Site 1102)
Palmerston North, Manawatu-Wanganui, 4414
Capital & Coast District Health Board - Wellington Hospital ( Site 1101)
Wellington, 6021
About this study
Official title: A Phase 3 Study of Pembrolizumab in Combination With Carboplatin/Taxane (Paclitaxel or Nab-paclitaxel) Followed by Pembrolizumab With or Without Maintenance Olaparib in the First-line Treatment of Metastatic Squamous Non-small Cell Lung Cancer (NSCLC)
The current study will compare pembrolizumab (MK-3475) plus maintenance olaparib, vs. pembrolizumab plus maintenance olaparib placebo for the treatment of squamous NSCLC. The study's 2 primary hypotheses are:
- Pembrolizumab plus maintenance olaparib is superior to pembrolizumab plus maintenance olaparib placebo with respect to progression-free survival (PFS) per RECIST 1.1 by blinded independent clinical review (BICR).
- Pembrolizumab plus maintenance olaparib is superior to pembrolizumab plus maintenance olaparib placebo with respect to overall survival (OS).
As of Amendment 07, there will be no further analyses for OS and patient-reported outcome assessments.
Read the detailed description
This study has 2 phases: an Induction Phase (4 Cycles) and a Maintenance Phase (Up to 31 cycles of pembrolizumab). In the Induction Phase, participants receive pembrolizumab plus carboplatin plus a taxane (paclitaxel or nab-paclitaxel). In the Maintenance Phase, participants with a partial or complete disease response or with stable disease after completing four cycles of induction therapy and who meet eligibility criteria will be randomly assigned to receive pembrolizumab plus maintenance olaparib OR pembrolizumab plus maintenance olaparib placebo. In the Maintenance Phase, participants randomly assigned to receive pembrolizumab for up to 31 cycles plus maintenance olaparib OR maintenance olaparib placebo until centrally verified progressive disease (PD), intolerable toxicities, or physician decision.
As of Amendment 07, participants actively taking placebo will discontinue taking the placebo intervention and continue in the study.
- Being tested
- Pembrolizumab, Carboplatin, Paclitaxel, Nab-paclitaxel, Olaparib
- Keywords
- PD-1, PD L1, PD L2
- Medical subject headings
- Carcinoma
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
PembrolizumabBiological
Also called MK-3475
IV infusion
CarboplatinDrug
Also called PARAPLATIN®
IV infusion
PaclitaxelDrug
Also called TAXOL®, ONXAL™
IV infusion
Nab-paclitaxelDrug
Also called ABRAXANE®
IV infusion
OlaparibDrug
Also called LYNPARZA®
Tablets
PlaceboDrug
Placebo to olaparib, tablets
| Study group | Role | What they receive |
|---|---|---|
| Pembrolizumab + Carboplatin + Taxane + Olaparib | Experimental | For the Induction Phase, participants receive 4 cycles:
Pembrolizumab 200 mg, intravenous (IV) on Day 1 of each 21-day cycle PLUS carboplatin PLUS a taxane (either paclitaxel or nab-paclitaxel) for 4 cycles (21-day cycles). If the participant has a complete or partial response or stable disease to induction therapy, the participant is randomized to maintenance therapy.
For the Maintenance Phase, participants receive pembrolizumab IV on Day 1 of each 21-day for up to 31 cycles PLUS maintenance oral olaparib 300 mg twice daily. In the Maintenance Phase, the participant continues to receive maintenance olaparib until centrally verified progressive disease, physician decision or intolerable toxicity. Receives: Biological: Pembrolizumab; Drug: Carboplatin; Drug: Paclitaxel; Drug: Nab-paclitaxel; Drug: Olaparib |
| Pembrolizumab + Carboplatin + Taxane + Olaparib Placebo | Active comparator | For the Induction Phase, participants receive 4 cycles:
Pembrolizumab 200 mg, intravenous (IV) on Day 1 of each 21-day cycle PLUS carboplatin PLUS a taxane (either paclitaxel or nab-paclitaxel) for 4 cycles (21-day cycles). If the participant has a complete or partial response or stable disease to induction therapy, the participant is randomized to maintenance therapy.
For the Maintenance Phase, participants receive pembrolizumab IV on Day 1 of each 21-day for up to 31 cycles PLUS matching maintenance olaparib placebo twice daily. In the Maintenance Phase, the participant continues to receive maintenance olaparib placebo until centrally verified progressive disease, physician decision or intolerable toxicity. Receives: Biological: Pembrolizumab; Drug: Carboplatin; Drug: Paclitaxel; Drug: Nab-paclitaxel; Drug: Placebo |
What is being measured
The primary outcome is the main question the study is designed to answer.
Progression-free Survival (PFS)
Progression-free Survival was defined as the time from the date of randomization until either documented disease progression or death due to any cause, whichever occurred first. Per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1, progressive disease (PD) was defined as ≥20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum must have also demonstrated an absolute increase of ≥5 mm. The appearance of one or more new lesions was also considered PD. PFS as assessed by Blinded Independent Central Review (BICR) per RECIST 1.1 is presented. PFS is reported based on the non-parametric Kaplan-Meier method. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Up to approximately 39 months
Overall Survival (OS)
Overall survival was the time from the date of randomization to death due to any cause. OS is reported based on the non-parametric Kaplan-Meier method. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Up to approximately 46 months
Secondary outcomes (12)
Number of Participants With One or More Adverse Events (AEs)
An adverse event (AE) was defined as any unfavorable and unintended sign including an abnormal laboratory finding, symptom or disease associated with the use of a medical treatment or procedure, regardless of whether it was considered related to the medical treatment or procedure, that occurred during the course of the study. The number of participants who reported 1 or more AEs is presented. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Up to approximately 4 years
Number of Participants Who Discontinued Study Intervention Due to an AE
An AE was defined as any unfavorable and unintended sign including an abnormal laboratory finding, symptom or disease associated with the use of a medical treatment or procedure, regardless of whether it was considered related to the medical treatment or procedure, that occurred during the course of the study. The number of participants who discontinued study intervention due to an AE is presented. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Up to approximately 4 years
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Global Health Status (GHS)/ Quality of Life (QoL) (Items 29 and 30) Combined Scale Score
EORTC QLQ-C30 is a 30-item questionnaire developed to assess the QoL of cancer patients. Participant responses to the Global Health Status GHS question "How would you rate your overall health during the past week?" (Item 29) and the QoL question "How would you rate your overall quality of life during the past week?" (Item 30) were each scored on a 7-point scale (1=Very Poor to 7=Excellent), then summed. Summed raw scores were standardized by linear transformation so that scores ranged from 0 to 100, with a higher score indicating a better overall outcome. Change from baseline in EORTC QLQ-C30 Items 29 and 30 combined score was assessed using a constrained longitudinal data analysis (cLDA) model with the patient-reported outcome (PRO) score as the response variable, and treatment, time, treatment-by-time interaction, and clinical study stratification factors as covariates. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Baseline and Week 24
Time to True Deterioration (TTD) in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Global Health Status (GHS)/Quality of Life (QoL) (Items 29 and 30) Scale Score
TTD is defined as the time from Baseline to the first onset of a ≥10-point negative change (decrease) from Baseline in GHS (EORTC QLQ-C30 Item 29) and QoL score (EORTC QLQ-C30 Item 30). Using linear transformation, raw scores are standardized, so that scores range from 0 to 100. The TTD, as assessed based on a ≥10- point negative change (decrease) from Baseline in GHS score, will be presented. A longer TTD indicates a better outcome. TTD is reported based on the non-parametric Kaplan-Meier method. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Up to approximately 2 years
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Lung Cancer Module 13 (QLQ-LC13) Cough (Item 1) Scale Score
The EORTC QLQ-LC13 is a lung cancer specific supplemental questionnaire used in combination with the EORTC QLQ-C30 questionnaire. Participant responses to the question "How much did you cough?" are scored on a 4-point scale (1=Not at All to 4=Very Much). Using linear transformation, raw scores are standardized, so that scores range from 0 to 100. A lower score indicates a better outcome. The change from baseline in EORTC QLQ-LC13 cough (Item 1) score is presented. Change from baseline score was assessed using a cLDA model with the PRO score as the response variable, and treatment, time, treatment-by-time interaction, and clinical study stratification factors as covariates. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Baseline and Week 24
Time to True Deterioration (TTD) in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Lung Cancer Module 13 (QLQ-LC13) Cough (Item 1) Scale Score
The EORTC QLQ-LC13 is a lung cancer specific supplemental questionnaire used in combination with the EORTC QLQ-C30 questionnaire. Participant responses to the question "How much did you cough?" are scored on a 4-point scale (1=Not at All to 4=Very Much). Using linear transformation, raw scores are standardized, so that scores range from 0 to 100. A lower score indicates a better outcome. TTD was defined as the time from baseline (at randomization) to the first onset of a ≥10-point decrease with confirmation by the subsequent visit of a ≥10-point decrease in cough scale score. The TTD for cough (Item 1) is presented. TTD is reported based on the non-parametric Kaplan-Meier method. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Up to approximately 2 years
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Lung Cancer Module 13 (QLQ-LC13) Chest Pain (Item 10) Scale Score
The EORTC QLQ-LC13 is a lung cancer specific supplemental questionnaire used in combination with the EORTC QLQ-C30 questionnaire. Participant responses to the question "Have you had pain in your chest?" are scored on a 4-point scale (1=Not at All to 4=Very Much). Using linear transformation, raw scores are standardized, so that scores range from 0 to 100. A lower score indicates a better outcome. The change from baseline in EORTC QLQ-LC13 chest pain (Item 10) score is presented. Change from baseline score was assessed using a cLDA model with the PRO score as the response variable, and treatment, time, treatment-by-time interaction, and clinical study stratification factors as covariates. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Baseline and Week 24
Time to True Deterioration (TTD) in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Lung Cancer Module 13 (QLQ-LC13) Chest Pain (Item 10) Scale Score
The EORTC QLQ-LC13 is a lung cancer specific supplemental questionnaire used in combination with the EORTC QLQ-C30 questionnaire. Participant responses to the question "Have you had pain in your chest?" are scored on a 4-point scale (1=Not at All to 4=Very Much). Using linear transformation, raw scores are standardized, so that scores range from 0 to 100. A lower score indicates a better outcome. TTD was defined as the time from baseline (at randomization) to the first onset of a ≥10-point decrease with confirmation by the subsequent visit of a ≥10-point decrease in chest pain scale score. The TTD for chest pain (Item 10) is presented. TTD is reported based on the non-parametric Kaplan-Meier method. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Up to approximately 2 years
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Dyspnea (Item 8) Scale Score
The EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life of cancer patients. Participant responses to the question "Were you short of breath?" are scored on a 4-point scale (1=Not at All to 4=Very Much). Using linear transformation, raw scores are standardized, so that scores range from 0 to 100. The change from baseline in EORTC QLQ-C30 dyspnea (Item 8) score will be presented. A lower score indicates a better outcome. The change from baseline in EORTC QLQ-C30 dyspnea (Item 8) score is presented. Change from baseline score was assessed using a cLDA model with the PRO score as the response variable, and treatment, time, treatment-by-time interaction, and clinical study stratification factors as covariates. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Baseline and Week 24
Time to True Deterioration (TTD) in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Dyspnea (Item 8) Scale Score
The EORTC QLQ-C30 is a questionnaire to assess the overall quality of life of cancer patients. Participant responses to the question "Were you short of breath?" are scored on a 4-point scale (1=Not at All to 4=Very Much). Using linear transformation, raw scores are standardized, so that scores range from 0 to 100. A lower score indicates a better outcome. TTD was defined as the time from baseline (at randomization) to the first onset of a ≥10-point decrease with confirmation by the subsequent visit of a ≥10-point decrease in Item 8 scale score. The TTD for dyspnea (Item 8) is presented. TTD is reported based on the non-parametric Kaplan-Meier method. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Up to approximately 2 years
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Physical Functioning (Items 1 to 5) Scale Score
The EORTC QLQ-C30 is a 30-item questionnaire to assess the overall quality of life of cancer patients. Participant responses to 5 questions about their physical functioning are scored on a 4-point scale (1=Not at All to 4=Very Much). Using linear transformation, raw scores are standardized, so that scores range from 0 to 100. A higher score indicates a better quality of life. The change from baseline in Physical Functioning (EORTC QLQ-C30 Items 1-5) score is presented. Change from baseline score was assessed using a constrained longitudinal data analysis (cLDA) model with the patient-reported outcome (PRO) score as the response variable, and treatment, time, treatment-by-time interaction, and clinical study stratification factors as covariates. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Baseline and Week 24
Time to True Deterioration (TTD) in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Physical Functioning (Items 1 to 5) Scale Score
The EORTC QLQ-C30 is a questionnaire to assess the overall quality of life of cancer patients. Participant responses to 5 questions about their physical functioning are scored on a 4-point scale (1=Not at All to 4=Very Much). Using linear transformation, raw scores are standardized, so that scores range from 0 to 100. A higher score indicates a better quality of life. TTD was defined as the time from baseline (at randomization) to the first onset of a ≥10-point decrease with confirmation by the subsequent visit of a ≥10-point decrease in physical functioning Items 1 to 5 scale scores. The TTD for physical functioning (Item 1-5) is presented. TTD is reported based on the non-parametric Kaplan-Meier method. Per protocol this outcome measure was not planned for the Induction Phase.
Measured: Up to approximately 2 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted6 Jun 2019
- Study start28 Jun 2019
- Primary completion21 Sep 2023
- Study completion30 Jan 2026
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Carcinoma, Squamous Cell, Non-small-cell LungStudies of the same condition, open and under way.
- More trials run by Merck Sharp & Dohme LLCThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Investigator, Outcomes assessor
- Enrolment
- 851 participants (actual)
Sponsor and investigators
- Lead sponsor
- Merck Sharp & Dohme LLC
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Medical Director, Study director, Merck Sharp & Dohme LLC
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03976362
- Sponsor's protocol ID
- 7339-008
- Other IDs
- MK-7339-008, KEYLYNK-008, 194894, 2023-508449-41-00, U1111-1298-1950, 2018-004721-88, 2018, 2023
- Status last verified
- Feb 2026
- First submitted
- 3 Jun 2019
- Last updated
- 25 Feb 2026
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- Yes: https://trialstransparency.msdclinicaltrials.com/pdf/ProcedureAccessClinicalTrialData.pdf
Publications
Hochmair M, Schenker M, Cobo Dols M, Kim TM, Ozyilkan O, Smagina M, Leonova V, Kato T, Fedenko A, De Angelis F, Rittmeyer A, Gray JE, Greystoke A, Aggarwal H, Huang Q, Zhao B, Lara-Guerra H, Nadal E. Pembrolizumab With or Without Maintenance Olaparib for Metastatic Squamous NSCLC That Responded to First-Line Pembrolizumab Plus Chemotherapy. J Thorac Oncol. 2025 Feb;20(2):203-218. doi: 10.1016/j.jtho.2024.10.012. Epub 2024 Oct 28.
PubMed 39477187
Study at a glance
From the registry record, last updated by the sponsor on 25 Feb 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase 3 Study of Pembrolizumab in Combination With Carboplatin/Taxane (Paclitaxel or Nab-paclitaxel) Followed by Pembrolizumab With or Without Maintenance Olaparib in the First-line Treatment of Metastatic Squamous Non-small Cell Lung Cancer (NSCLC)
- ClinicalTrials.gov ID
- NCT03976362
- Acronym / sponsor ID
- 7339-008
- Keywords
- PD-1, PD L1, PD L2
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 851 participants (actual)
- Lead sponsor
- Merck Sharp & Dohme LLCIndustry (pharma, biotech, devices)
- Study start
- 28 Jun 2019 (actual)
- Primary completion
- 21 Sep 2023 (actual)
- Study completion
- 30 Jan 2026 (actual)
- First posted
- 6 Jun 2019 (actual)
- Results
- Posted 6 Nov 2024
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The current study will compare pembrolizumab (MK-3475) plus maintenance olaparib, vs. pembrolizumab plus maintenance olaparib placebo for the treatment of squamous NSCLC. The study's 2 primary hypotheses are:
- Pembrolizumab plus maintenance olaparib is superior to pembrolizumab plus maintenance olaparib placebo with respect to progression-free survival (PFS) per RECIST 1.1 by blinded independent clinical review (BICR).
- Pembrolizumab plus maintenance olaparib is superior to pembrolizumab plus maintenance olaparib placebo with respect to overall survival (OS).
As of Amendment 07, there will be no further analyses for OS and patient-reported outcome assessments.
Detailed description
This study has 2 phases: an Induction Phase (4 Cycles) and a Maintenance Phase (Up to 31 cycles of pembrolizumab). In the Induction Phase, participants receive pembrolizumab plus carboplatin plus a taxane (paclitaxel or nab-paclitaxel). In the Maintenance Phase, participants with a partial or complete disease response or with stable disease after completing four cycles of induction therapy and who meet eligibility criteria will be randomly assigned to receive pembrolizumab plus maintenance olaparib OR pembrolizumab plus maintenance olaparib placebo. In the Maintenance Phase, participants randomly assigned to receive pembrolizumab for up to 31 cycles plus maintenance olaparib OR maintenance olaparib placebo until centrally verified progressive disease (PD), intolerable toxicities, or physician decision.
As of Amendment 07, participants actively taking placebo will discontinue taking the placebo intervention and continue in the study.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, investigator, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Pembrolizumab + Carboplatin + Taxane + Olaparib | Experimental | Biological: Pembrolizumab, Drug: Carboplatin, Drug: Paclitaxel, Drug: Nab-paclitaxel, Drug: OlaparibFor the Induction Phase, participants receive 4 cycles: Pembrolizumab 200 mg, intravenous (IV) on Day 1 of each 21-day cycle PLUS carboplatin PLUS a taxane (either paclitaxel or nab-paclitaxel) for 4 cycles (21-day cycles). If the participant has a complete or partial response or stable disease to induction therapy, the participant is randomized to maintenance therapy. For the Maintenance Phase, participants receive pembrolizumab IV on Day 1 of each 21-day for up to 31 cycles PLUS maintenance oral olaparib 300 mg twice daily. In the Maintenance Phase, the participant continues to receive maintenance olaparib until centrally verified progressive disease, physician decision or intolerable toxicity. |
| Pembrolizumab + Carboplatin + Taxane + Olaparib Placebo | Active comparator | Biological: Pembrolizumab, Drug: Carboplatin, Drug: Paclitaxel, Drug: Nab-paclitaxel, Drug: PlaceboFor the Induction Phase, participants receive 4 cycles: Pembrolizumab 200 mg, intravenous (IV) on Day 1 of each 21-day cycle PLUS carboplatin PLUS a taxane (either paclitaxel or nab-paclitaxel) for 4 cycles (21-day cycles). If the participant has a complete or partial response or stable disease to induction therapy, the participant is randomized to maintenance therapy. For the Maintenance Phase, participants receive pembrolizumab IV on Day 1 of each 21-day for up to 31 cycles PLUS matching maintenance olaparib placebo twice daily. In the Maintenance Phase, the participant continues to receive maintenance olaparib placebo until centrally verified progressive disease, physician decision or intolerable toxicity. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (11 listed)
- Have a histologically or cytologically confirmed diagnosis squamous NSCLC.
- Have Stage IV squamous NSCLC.
- Have measurable disease based on RECIST 1.1.
- Have not received prior systemic treatment for their advanced/metastatic NSCLC.
- Have provided archival tumor tissue sample or newly obtained core or incisional biopsy of a tumor lesion not previously irradiated.
Key exclusion criteria (12 listed)
- Has non-squamous histology NSCLC.
- Has a known additional malignancy that is progressing or has progressed within the past 3 years requiring active treatment.
- Has known active central nervous system metastases and/or carcinomatous meningitis.
- Has a known hypersensitivity to any components or excipients of carboplatin, paclitaxel or nab-paclitaxel, or olaparib.
- Has a severe hypersensitivity (≥Grade 3) to pembrolizumab and/or any of its excipients.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| PembrolizumabAlso: MK-3475IV infusion | Biological | Pembrolizumab + Carboplatin + Taxane + Olaparib, Pembrolizumab + Carboplatin + Taxane + Olaparib Placebo |
| CarboplatinAlso: PARAPLATIN®IV infusion | Drug | Pembrolizumab + Carboplatin + Taxane + Olaparib, Pembrolizumab + Carboplatin + Taxane + Olaparib Placebo |
| PaclitaxelAlso: TAXOL®, ONXAL™IV infusion | Drug | Pembrolizumab + Carboplatin + Taxane + Olaparib, Pembrolizumab + Carboplatin + Taxane + Olaparib Placebo |
| Nab-paclitaxelAlso: ABRAXANE®IV infusion | Drug | Pembrolizumab + Carboplatin + Taxane + Olaparib, Pembrolizumab + Carboplatin + Taxane + Olaparib Placebo |
| OlaparibAlso: LYNPARZA®Tablets | Drug | Pembrolizumab + Carboplatin + Taxane + Olaparib |
| PlaceboPlacebo to olaparib, tablets | Drug | Pembrolizumab + Carboplatin + Taxane + Olaparib Placebo |
Primary outcome
Progression-free Survival (PFS)
Time frame: Up to approximately 39 months
Progression-free Survival was defined as the time from the date of randomization until either documented disease progression or death due to any cause, whichever occurred first. Per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1, progressive disease (PD) was defined as ≥20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum must have also demonstrated an absolute increase of ≥5 mm. The appearance of one or more new lesions was also considered PD. PFS as assessed by Blinded Independent Central Review (BICR) per RECIST 1.1 is presented. PFS is reported based on the non-parametric Kaplan-Meier method. Per protocol this outcome measure was not planned for the Induction Phase.
Overall Survival (OS)
Time frame: Up to approximately 46 months
Overall survival was the time from the date of randomization to death due to any cause. OS is reported based on the non-parametric Kaplan-Meier method. Per protocol this outcome measure was not planned for the Induction Phase.
12 secondary outcomes
Number of Participants With One or More Adverse Events (AEs)
Time frame: Up to approximately 4 years
Number of Participants Who Discontinued Study Intervention Due to an AE
Time frame: Up to approximately 4 years
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Global Health Status (GHS)/ Quality of Life (QoL) (Items 29 and 30) Combined Scale Score
Time frame: Baseline and Week 24
Time to True Deterioration (TTD) in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Global Health Status (GHS)/Quality of Life (QoL) (Items 29 and 30) Scale Score
Time frame: Up to approximately 2 years
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Lung Cancer Module 13 (QLQ-LC13) Cough (Item 1) Scale Score
Time frame: Baseline and Week 24
Time to True Deterioration (TTD) in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Lung Cancer Module 13 (QLQ-LC13) Cough (Item 1) Scale Score
Time frame: Up to approximately 2 years
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Lung Cancer Module 13 (QLQ-LC13) Chest Pain (Item 10) Scale Score
Time frame: Baseline and Week 24
Time to True Deterioration (TTD) in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Lung Cancer Module 13 (QLQ-LC13) Chest Pain (Item 10) Scale Score
Time frame: Up to approximately 2 years
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Dyspnea (Item 8) Scale Score
Time frame: Baseline and Week 24
Time to True Deterioration (TTD) in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Dyspnea (Item 8) Scale Score
Time frame: Up to approximately 2 years
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Physical Functioning (Items 1 to 5) Scale Score
Time frame: Baseline and Week 24
Time to True Deterioration (TTD) in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Physical Functioning (Items 1 to 5) Scale Score
Time frame: Up to approximately 2 years
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 25 Feb 2026.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Results publication: PubMed 39477187Hochmair M, Schenker M, Cobo Dols M, Kim TM, Ozyilkan O, Smagina M, Leonova V, Kato T, Fedenko A, De Angelis F, Rittmeyer A, Gray JE, Greystoke A, Aggarwal H, Huang Q, Zhao B, Lara-Guerra H, Nadal E. Pembrolizumab With or Without Maintenance Olaparib for Metastatic Squamous NSCLC That Responded to First-Line Pembrolizumab Plus Chemotherapy. J Thorac Oncol. 2025 Feb;20(2):203-218. doi: 10.1016/j.jtho.2024.10.012. Epub 2024 Oct 28.
- Merck Clinical Trials InformationLink provided by the sponsor.
- Individual participant dataSharing planned: Yes. https://trialstransparency.msdclinicaltrials.com/pdf/ProcedureAccessClinicalTrialData.pdf
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Medical Director study director
Merck Sharp & Dohme LLC
178 sites in 20 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Pembrolizumab, Carboplatin and Paclitaxel in people with Carcinoma, Squamous Cell, Non-small-cell Lung, run by Merck Sharp & Dohme LLC at 178 sites in 20 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 11 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 25 Feb 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 178 sites in United States, Japan, Germany, Russia, Ukraine and 15 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 6 Nov 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Progression-free Survival (PFS) (time frame: Up to approximately 39 months). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03976362, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 Feb 2026.