Study Details

A Study of ASP8273 vs. Erlotinib or Gefitinib in First-line Treatment of Patients with Stage IIIB/IV Non-small Cell Lung Cancer Tumors with EGFR Activating Mutations

The study has stopped early and will not start again. Participants were not enrolled (for withdrawn studies), however if participants were enrolled, they are no longer being examined or treated. ID

The unique identification code given to each clinical study upon registration at

Astellas Study ID

The unique identification code given by the study sponsor.


EudraCT ID

The unique identification code given to each clinical study upon registration at EudraCT (European Union Drug Regulating Authorities Clinical Trials Database).



Non Small Cell Lung Cancer


These clinical trials are done to confirm that an experimental treatment helps participants who have a specific condition. These clinical trials often compare the experimental treatment to another treatment or, if appropriate, a placebo.

Phase 3


18 years - N/A


Female & Male




A type of clinical study in which participants are assigned to groups that receive one or more intervention/treatment (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


Trial Dates

Feb 2016 - Dec 2017


None (Open Label)

Enrollment number


An Open-label, Randomized Phase 3 Efficacy Study of ASP8273 vs Erlotinib or Gefitinib in First-line Treatment of Patients with Stage IIIB/IV Non-small Cell Lung Cancer Tumors with EGFR Activating Mutations

Study summary

Study documents

Study Documents, including study results, are available after a study is completed or terminated, according to Astellas Transparency policy.

Get More Information

Would you like more information about clinical trial sites that are recruiting participants for A Study of ASP8273 vs. Erlotinib or Gefitinib in First-line Treatment of Patients with Stage IIIB/IV Non-small Cell Lung Cancer Tumors with EGFR Activating Mutations? Contact us by filling our your information to the right and we’ll respond to you.

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Site DE49007

Kassel, Germany, 34125

Site TW88604

Tainan, Taiwan, Province of China, 736

Site RU70009

Magnitogorsk, Russian Federation, 455001

Site KR82005

Cheongiu, Republic of Korea, 28644

Site US10030

Minneapolis, United States, 55455

Site TW88609

Taipei, Taiwan, Province of China, 11217

Site TH66006

Songkla, Thailand, 90110

Site FR33003

Creteil, France, 94010

Site US10008

Boynton Beach, United States, 33426

Site NL31006

Alkmaar, Netherlands, 1815 JD

Site US10025

Fountain Valley, United States, 90806

Site JP81007

Sendai, Japan, 980-0872

Site AU61008

East Melbourne, Australia, 3002

Site GB44002

Middlesex, United Kingdom, HA6 2RN

Site US10058

Scottsdale, United States, 85259

Site JP81010

Yokohama, Japan, 236-0051

Site KR82014

Seoul, Republic of Korea, 130-701

Site US10041

Jackson, United States, 39202

Site CA15007

Quebec City, Canada, G1V 4G5

Site KR82016

Suwon-si, Republic of Korea, 16427

Site GB44001

Liverpool, United Kingdom, CH63 4JY

Site US10009

Nashville, United States, 37203

Site US10036

La Jolla, United States, 92093

Site IT39011

Aviano, Italy, 33081

Site BE32004

Ottignies, Belgium, 1340

Site JP81014

Sapporo, Japan, 003-0804

Site TH66011

Chom Thong, Thailand, 50200

Site NL31001

Arnhem, Netherlands, 6815 AD

Site HU36002

Szekesfehervar, Hungary, H 8000

Site HU36007

Budapest, Hungary, 1121

Site ES34002

Valencia, Spain, 46026

Site IT39003

Bergamo, Italy, 24127

Site UA38001

Dnipropetrovsk, Ukraine, 49102

Site TH66002

Chiang Rai, Thailand, 57000

Site RO40005

Iasi, Romania, 700483

Site RU70001

Saint Petersburg, Russian Federation, 197022

Site US10011

Lacey, United States, 98503

Site KR82004

Suwon-si, Republic of Korea, 16499

Site JP81013

Hiroshima, Japan, 730-8518

Site ES34005

Sevilla, Spain, 41009

Site ES34015

Valencia, Spain, 46010

Site JP81020

Osakasayama-shi, Japan, 569-8511

Site PT35102

Lisboa, Portugal, 1400-038

Site CA15006

Toronto, Canada, M5G 2C4

Site US10054

Fort Worth, United States, 76104

Site FR33001

Clermont Ferrand, France, 63003

Site RU70016

Nalchik, Russian Federation, 360000

Site JP81025

Yokohama, Japan, 241-8515

Site BE32002

Gent, Belgium, 9000

Site KR82002

Seoul, Republic of Korea, 028-481

Site PT35103

Coimbra, Portugal, 3041-801

Site US10042

Baton Rouge, United States, 70809

Site FR33005

Rouen, France, 76000

Site FR33007

Pierre Benite, France, 69310

Site RO40004

Floresti, Romania, 407280

Site RU70004

Moscow, Russian Federation, 143423

Site KR82009

Jinju-si, Republic of Korea, 660-702

Site US10051

Loma Linda, United States, 92350

Site JP81012

Sendai, Japan, 980-0873

Site FR33006

Grenoble, France, 38043

Site JP81018

Matsuyama, Japan, 791-0280

Site JP81006

Okayama, Japan, 700-8558

Site AU61009

Coffs Harbour, Australia, 2450

Site RU70011

Kazan, Russian Federation, 420029

Site JP81008

Kurume, Japan, 830-0011

Site ES34017

Valencia, Spain, 46014

Site BR55013

Sao Paulo, Brazil, 04039-001

Site AU61005

Adelaide, Australia, 5000

Site RU70008

Pyatigorsk, Russian Federation, 357502

Site KR82013

Seoul, Republic of Korea, 135-720

Site KR82015

Seoul, Republic of Korea, 5368

Site IT39012

Piacenza, Italy, 29100

Site ES34003

Barcelona, Spain, 08036

Site CA15002

Montreal, Canada, H49 1C5

Site HU36005

Miskolc, Hungary, 3529

Site TW88603

Taichung, Taiwan, Province of China, 40705

Site AU61007

Woolloongabba, Australia, 4102

Site CA15003

Sault Ste Marie, Canada, P6B 0A8

Site HU36001

Budapest, Hungary, 1125

Site RU70012

Arkhangelsk, Russian Federation, 163045

Site JP81016

Kurashiki, Japan, 710-8602

Site US10050

Atlanta, United States, 30342

Site HU36003

Tatabanya, Hungary, H-2800

Site ES34016

Madrid, Spain, 28050

Site JP81019

Sunto-gun, Japan, 411-8777

Site JP81001

Sunto-gun, Japan, 411-8777

Site TH66004

Khon Kaen, Thailand, 40002

Site HU36004

Farkasgyepu, Hungary, 8582

Site RO40007

Ploiesti, Romania, 100010

Site BE32005

Namur, Belgium, 5000

Site DE49006

Wurzburg, Germany, 97080

Site JP81017

Osakasayama-shi, Japan, 589-8511

Site IT39002

Cremona, Italy, 26100

Site PT35104

Lisbon, Portugal, 1099-023

Site US10033

Los Angeles, United States, 90033

Site DE49005

Karlsruhe, Germany, 76137

Site JP81004

Tokyo, Japan, 135-8550

Site TW88605

Taichung City, Taiwan, Province of China, 40447

Site ES34004

Ourense, Spain, 32004

Site KR82008

Seoul, Republic of Korea, 152-703

Site IT39013

Lucca, Italy, 55100

Site UA38004

Lviv, Ukraine, 79031

Site US10019

Corvallis, United States, 97330

Site UA38003

Uzhgorod, Ukraine, 88014

Site TW88606

Kaohsiung, Taiwan, Province of China, 83301

Site HU36008

Budapest, Hungary, 1121

Site KR82010

Busan Gwang'yeogsi, Republic of Korea, 48108

Site ES34008

San Sebastian, Guipuzcoa, Spain, 20014

Site MY60002

Georgetown, Malaysia, 10450

Site MY60004

Kuching, Malaysia, 93586

Site JP81022

Niigata, Japan, 951-8122

Site FR33009

Saint Priest en Jarez, France, 42270

Site RO40010

Craiova, Romania, 200385

Site US10023

Nashville, United States, 37232

Site UA38007

Lutsk, Ukraine, 43018

Site US10020

Baltimore, United States, 21287

Site RO40008

Timisoara, Romania, 300210

Site PE51004

San Isidro, Peru, 1501

Site US10053

Fullerton, United States, 92835

Site ES34007

Pamplona, Navarra, Spain, 31008

Site UA38008

Ivano-Frankivsk, Ukraine, 76000

Site DE49008

Freiburg, Germany, 79106

Site RO40001

Craiova, Romania, 200347

Site RU70017

Ufa, Russian Federation, 450054

Site KR82003

Jeonju, Republic of Korea, 54907

Site US10045

Albuquerque, United States, 87106

Site TW88611

Taipei, Taiwan, Province of China, 11490

Site AU61003

Randwick, Australia, 2031

Site KR82006

Seoul, Republic of Korea, 156-707

Site TW88601

Tainan, Taiwan, Province of China, 70403

Site ES34006

Madrid, Spain, 28046

Site US10016

La Jolla, United States, 92037

Site MY60001

Kuantan Pahang, Malaysia, 25100

Site UA38005

Kryvyi Rih, Ukraine, 50048

Site US10046

Milwaukee, United States, 53226

Site KR82017

Bundang, Republic of Korea, 13620

Site IT39014

Milano, Italy, 20142

Site CL56001

Santiago, Chile, 8380455

Site ES34010

Malaga, Spain, 29010

Site US10021

Bethlehem, United States, 18015

Site JP81002

Osaka-sayama, Japan, 589-8511

Site JP81024

Kobe, Japan, 650-0047

Site KR82011

Ulsan, Republic of Korea, 682-714

Site FR33004

Tours, France, 37044

Site US10055

Bakersfield, United States, 93309

Site JP81023

Wakayama, Japan, 641-8510

Site DE49003

Gauting, Germany, 82131

Site UA38009

Uzhgorod, Ukraine, 88000

Site US10026

Germantown, United States, 38138

Site IT39009

Rozzano, Italy, 20089

Site RO40006

Sibiu, Romania, 550245

Site TW88607

Taoyuan Hsien, Taiwan, Province of China, 33305

Site KR82001

Seoul, Republic of Korea, 05505

Site IT39015

Brescia, Italy, 25123

Site US10034

Boston, United States, 02111

Site AU61010

Kogarah, Australia, 2217

Site TH66001

Bangkok, Thailand, 10330

Site JP81015

Kanazawa, Japan, 920-8530

Site CA15010

Montreal, Canada, H4A 3J1

Site IT39004

Monza, Italy, 20052

Site US10029

Beverly Hills, United States, 90211

Site FR33012

Bayonne, France, 64100

Site US10052

Redondo Beach, United States, 90277

Site SG65002

Singapore, Singapore, 308433

Site US10035

Fort Lauderdale, United States, 33308

Site FR33010

Pessac, France, 33604

Site TH66012

Bangkok, Thailand, 10400

Site US10048

St. Petersburg, United States, 33705

Site US10012

Mt Kisco, United States, 10549

Site US10007

Jacksonville, United States, 32204

Site JP81005

Miyakojima-ku, Japan, 534-0021

Site PT35101

Amadora, Portugal, 2720-276

Site RO40013

Otopeni, Romania, 075100

Site US10031

Oxnard, United States, 93030

Site US10037

Scarborough, United States, 04074

Site UA38006

Chernivtsi, Ukraine, 58013

Site CL56002

Vina del Mar, Chile, 2520612

Site US10013

Aventura, United States, 33180

Site SG65001

Singapore, Singapore, 188770

Site US10027

Rochester, United States, 55905

Site NL31002

Harderwijk, Netherlands, 3844 GD

Site CL56007

Vina del Mar, Chile, 2540364

Site RO40012

Bucuresti, Romania, 031422

Site HU36006

Szombathely, Hungary, H 9700

Site US10047

Glenwood Springs, United States, 81601

Site PE51001

Cercado de Lima, Peru, 04001

Site JP81021

Hirakata, Japan, 573-1191

Site AU61002

Fitzroy, Australia, 3065

Site FR33008

Strasbourg, France, 67091

Site KR82007

Seoul, Republic of Korea, 139-706

Site US10061

Lansing, United States, 48909

Site US10003

Santa Monica, United States, 90404

Site DE49004

Köln, Germany, 51109

Site IT39008

Roma, Italy, 00128

Site PE51008

Miraflores, Peru, L18

Site TW88608

Taipei, Taiwan, Province of China, 100

Site AU61004

Footscray, Australia, 3011

Site IT39006

Pisa, Italy, 56126

Site US10018

Whittier, United States, 90603

Site GB44003

Sheffield, United Kingdom, S10 2SJ

Site FR33011

Suresnes, France, 92150