Drug

Gefitinib clinical trials

Also written Iressa and ZD1839.

studies test it: 239
open now: 6
in phase 3: 30
first study started: 2000

Keep track of what changes. Save the Gefitinib studies recruiting or about to start, and get an email each week — studies that open, close, add sites or post results.

Watch these studies

How studies write it

Studies that test it under each name

Studies by the year they started

236 studies that test it; most in 2004 (43)

Studies that test Gefitinib, by start year
Year	Studies
2000	2
2001	18
2002	21
2003	37
2004	43
2005	21
2006	8
2007	6
2008	5
2009	10
2010	2
2011	7
2012	10
2013	6
2014	8
2015	6
2016	8
2017	5
2018	7
2020	2
2024	1
2026	3

By phase

A phase 1/2 study counts in both.

Early Phase 1: 1
Phase 1: 56
Phase 2: 170
Phase 3: 30
Phase 4: 4
No phase: 9

What it is tested for

Each study’s main condition, where its own words name it.

Carcinoma, Non-Small-Cell Lung: 82
Breast Neoplasms: 15
Head and Neck Neoplasms: 14
Lung Neoplasms: 13
Prostatic Neoplasms: 9
Esophageal Neoplasms: 8
Adenocarcinoma of Lung: 7
Glioblastoma: 7
Carcinoma: 7
Neoplasms: 7
Colorectal Neoplasms: 7
Carcinoma, Hepatocellular: 4

Who runs them

Industry 67 · Other 172

AstraZeneca (49) · National Cancer Institute (NCI) (20) · Memorial Sloan Kettering Cancer Center (6) · University of Chicago (5) · M.D. Anderson Cancer Center (5) · European Organisation for Research and Treatment of Cancer - EORTC (5) · Samsung Medical Center (4) · Massachusetts General Hospital (4)

Often tested with

Tested in the same studies.

Cisplatin (16) · Docetaxel (10) · Pemetrexed (7) · Erlotinib (6) · Gemcitabine (5) · Fluorouracil (5) · Irinotecan (5) · Carboplatin (4)

Studies

Open first, then newest update. How each study uses Gefitinib is read from its arms, and is right about nine times in ten.

Testing it · 239

See all 239 studies that test Gefitinib →

Given in every arm · 32 — Gefitinib is usual care beside what is tested

Showing 20 of 32.

As the comparator · 15 — what is tested is compared with Gefitinib

Codes

What other systems call Gefitinib · ClinicalTrials.gg INT006655

MeSH (NLM) D000077156GefitinibConfirmed ClinicalTrials.gov, NLM, Wikidata
UNII (FDA) S65743JHBSGEFITINIBConfirmed FDA, NLM, Wikidata
RxNorm 328134Confirmed FDA, Wikidata
Wikidata Q417824gefitinibConfirmed FDA, NLM, Wikidata
NCI Thesaurus C1855GefitinibOne source FDA
DrugBank DB00317One source Wikidata

System	Code	Name there	Checked by
MeSH (NLM)	D000077156	Gefitinib	Confirmed ClinicalTrials.gov, NLM, Wikidata
UNII (FDA)	S65743JHBS	GEFITINIB	Confirmed FDA, NLM, Wikidata
RxNorm	328134	—	Confirmed FDA, Wikidata
Wikidata	Q417824	gefitinib	Confirmed FDA, NLM, Wikidata
NCI Thesaurus	C1855	Gefitinib	One source FDA
DrugBank	DB00317	—	One source Wikidata

“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.