Gastric CancerNCT06490055
Predicting the Efficacy in Advanced Gastric Cancer.
An observational study of Gastric Cancer and Chemotherapy Effect, run by City of Hope Medical Center at 2 sites in 2 countries.
Trial summary
With advances in chemotherapy for gastric cancer, it is important to identify patients who will respond effectively to specific therapies. This longitudinal study aimed to establish a liquid-biopsy assay that can predict response to ramucirumab plus paclitaxel therapy in patients with advanced gastric cancer. Read more about this study
- Who is it for?
- Ages 20 years and older
- Conditions the study is for
- Gastric Cancer, Chemotherapy Effect, Paclitaxel
- What is being tested?
- Paclitaxel
- How many people
- 162 participants
- Where
- 2 sitesin 2 countries
- Study dates
- 1 Oct 2018to 1 Jul 2025
- How long will I take part?
- 2 Years
- Phase
- Observational
- Are there results?
- None posted in the registry
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 20 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: Patients need second-line chemotherapy with unresectable or recurrent Gastric cancer.
Who may be able to join
- unresectable or recurrent GC histologically confirmed to be primary adenocarcinoma of the stomach.
- age over 20 years.
- Eastern Cooperative Oncology Group performance status score of 0-2.
- written informed consent following full study information is provided to the patient.
- progression or intolerance for first-line chemotherapy comprising fluorinated pyrimidine and platinum anticancer drugs (cisplatin or oxaliplatin) for advanced GC.
- presence of evaluable lesions as confirmed using a computed tomography (CT) or magnetic resonance imaging.
Who cannot join
- Patients with a life expectancy of shorter than 3 months
- Patients with severe complications (angina pectoris, myocardial infarction, or arrhythmia) or uncontrollable diabetes mellitus, blood hypertension, or bleeding tendency.
- Patients with a history of serious allergic reactions or serious drug allergy.
- Patients with a clinically relevant mental disorder that prohibits response to questionnaires.
- Patients for whom the attending physician considered that enrollment in the study is inappropriate.
Trial locations and contacts
2 sites in 2 countries.
2 sites in 2 countries
United States1 site
Department of Molecular Diagnostics and Experimental Therapeutics
Monrovia, California, 91016
About this study
Official title: Predicting the Efficacy of Paclitaxel Plus Ramucirumab in Advanced Gastric Cancer.
With advances in chemotherapy for gastric cancer, it is important to identify patients who will respond effectively to specific therapies. This longitudinal study aimed to establish a liquid-biopsy assay that can predict response to ramucirumab plus paclitaxel therapy in patients with advanced gastric cancer.
Read the detailed description
The combination of paclitaxel and ramucirumab is a potent standard second-line therapy for patients with advanced gastric cancer, but approximately 30% of patients do not respond to treatment. Failure to respond to second-line therapy can lead not only to disease progression, but also to deterioration of the patient's health and loss of the opportunity to receive other treatments that originally had the potential to be curative. This study aims to predict the efficacy of second-line treatment (paclitaxel plus ramucirumab) in patients with gastric cancer using liquid biopsies (small RNA). Prediction using pre-treatment blood may allow patients who do not respond to treatment to choose other treatment options. This study aims to establish a tool that will enable noninvasive pre-treatment selection, which could lead to personalized treatment.
- Conditions
- Gastric Cancer, Chemotherapy Effect, Paclitaxel, Ramucirumab
- Being tested
- Paclitaxel
- Medical subject headings
- Stomach Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
PaclitaxelDrug
Also called Ramucirumab
Gastric cancer second-line Chemotherapy (paclitaxel plus ramucirumab)
| Study group | Role | What they receive |
|---|---|---|
| Gastric cancer chemotherapy responders received second-line chemotherapy | Responders according to the response evaluation criteria in solid tumors (RECIST).
A panel of microRNA, whose expression level is tested exosomal microRNA from blood sample before second-line chemotherapy with reverse transcriptase quantitative polymerase chain reaction (RT-qPCR) Receives: Drug: Paclitaxel | |
| Gastric cancer chemotherapy non-responders received second-line chemotherapy | Non-responders according to the response evaluation criteria in solid tumors (RECIST).
A panel of microRNA, whose expression level is tested exosomal microRNA from blood sample before second-line chemotherapy with reverse transcriptase quantitative polymerase chain reaction (RT-qPCR) Receives: Drug: Paclitaxel |
What is being measured
The primary outcome is the main question the study is designed to answer.
Chemotherapy response
Follows by response valuation criteria in solid tumors (RECIST) evaluation. Partial response (PR) and Stable disease (SD) are defined as treatment effective, while Progressive disease (PD) is defined as no treatment effective.
Measured: 2 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted8 Jul 2024
- Study start1 Oct 2018
- Primary completion18 Feb 2025
- Study completion1 Jul 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (30)Papers the sponsor has linked to this study.
- Other trials for Gastric CancerStudies of the same condition, open and under way.
- More trials run by City of Hope Medical CenterThe 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
- Observational
- Observational model
- Case-control
- Time perspective
- Cross-sectional
- Enrolment
- 162 participants (actual)
- Target duration
- 2 Years
Sponsor and investigators
- Lead sponsor
- City of Hope Medical Center
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Koichi Takiguchi, PhD, Principal investigator, City of Hope Medical Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06490055
- Sponsor's protocol ID
- 23228/SLCGC
- Status last verified
- Jul 2025
- First submitted
- 21 Jun 2024
- Last updated
- 18 Jul 2025
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided
Publications
Sung H, Ferlay J, Siegel RL, Laversanne M, Soerjomataram I, Jemal A, Bray F. Global Cancer Statistics 2020: GLOBOCAN Estimates of Incidence and Mortality Worldwide for 36 Cancers in 185 Countries. CA Cancer J Clin. 2021 May;71(3):209-249. doi: 10.3322/caac.21660. Epub 2021 Feb 4.
PubMed 33538338Ajani JA, D'Amico TA, Bentrem DJ, Chao J, Cooke D, Corvera C, Das P, Enzinger PC, Enzler T, Fanta P, Farjah F, Gerdes H, Gibson MK, Hochwald S, Hofstetter WL, Ilson DH, Keswani RN, Kim S, Kleinberg LR, Klempner SJ, Lacy J, Ly QP, Matkowskyj KA, McNamara M, Mulcahy MF, Outlaw D, Park H, Perry KA, Pimiento J, Poultsides GA, Reznik S, Roses RE, Strong VE, Su S, Wang HL, Wiesner G, Willett CG, Yakoub D, Yoon H, McMillian N, Pluchino LA. Gastric Cancer, Version 2.2022, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw. 2022 Feb;20(2):167-192. doi: 10.6004/jnccn.2022.0008.
PubMed 35130500Fuchs CS, Tomasek J, Yong CJ, Dumitru F, Passalacqua R, Goswami C, Safran H, Dos Santos LV, Aprile G, Ferry DR, Melichar B, Tehfe M, Topuzov E, Zalcberg JR, Chau I, Campbell W, Sivanandan C, Pikiel J, Koshiji M, Hsu Y, Liepa AM, Gao L, Schwartz JD, Tabernero J; REGARD Trial Investigators. Ramucirumab monotherapy for previously treated advanced gastric or gastro-oesophageal junction adenocarcinoma (REGARD): an international, randomised, multicentre, placebo-controlled, phase 3 trial. Lancet. 2014 Jan 4;383(9911):31-39. doi: 10.1016/S0140-6736(13)61719-5. Epub 2013 Oct 3.
PubMed 24094768Wilke H, Muro K, Van Cutsem E, Oh SC, Bodoky G, Shimada Y, Hironaka S, Sugimoto N, Lipatov O, Kim TY, Cunningham D, Rougier P, Komatsu Y, Ajani J, Emig M, Carlesi R, Ferry D, Chandrawansa K, Schwartz JD, Ohtsu A; RAINBOW Study Group. Ramucirumab plus paclitaxel versus placebo plus paclitaxel in patients with previously treated advanced gastric or gastro-oesophageal junction adenocarcinoma (RAINBOW): a double-blind, randomised phase 3 trial. Lancet Oncol. 2014 Oct;15(11):1224-35. doi: 10.1016/S1470-2045(14)70420-6. Epub 2014 Sep 17.
PubMed 25240821Xu RH, Zhang Y, Pan H, Feng J, Zhang T, Liu T, Qin Y, Qin S, Yin X, Liu B, Ba Y, Yang N, Voon PJ, Tanasanvimon S, Zhou C, Zhang WL, Shen L. Efficacy and safety of weekly paclitaxel with or without ramucirumab as second-line therapy for the treatment of advanced gastric or gastroesophageal junction adenocarcinoma (RAINBOW-Asia): a randomised, multicentre, double-blind, phase 3 trial. Lancet Gastroenterol Hepatol. 2021 Dec;6(12):1015-1024. doi: 10.1016/S2468-1253(21)00313-7. Epub 2021 Oct 7.
PubMed 34626550Van Cutsem E, Muro K, Cunningham D, Bodoky G, Sobrero A, Cascinu S, Ajani J, Oh SC, Al-Batran SE, Wainberg ZA, Wijayawardana SR, Melemed S, Ferry D, Hozak RR, Ohtsu A; RAINBOW Investigators. Biomarker analyses of second-line ramucirumab in patients with advanced gastric cancer from RAINBOW, a global, randomized, double-blind, phase 3 study. Eur J Cancer. 2020 Mar;127:150-157. doi: 10.1016/j.ejca.2019.10.026. Epub 2020 Jan 31.
PubMed 32014812Natsume M, Shimura T, Iwasaki H, Okuda Y, Kitagawa M, Okamoto Y, Hayashi K, Kataoka H. Placental growth factor is a predictive biomarker for ramucirumab treatment in advanced gastric cancer. Cancer Chemother Pharmacol. 2019 Jun;83(6):1037-1046. doi: 10.1007/s00280-019-03817-2. Epub 2019 Mar 21.
PubMed 30899983Aprile G, Ongaro E, Del Re M, Lutrino SE, Bonotto M, Ferrari L, Rihawi K, Cardellino GG, Pella N, Danesi R, Fasola G. Angiogenic inhibitors in gastric cancers and gastroesophageal junction carcinomas: A critical insight. Crit Rev Oncol Hematol. 2015 Aug;95(2):165-78. doi: 10.1016/j.critrevonc.2015.02.009. Epub 2015 Mar 5.
PubMed 25800976Shigeyasu K, Toden S, Zumwalt TJ, Okugawa Y, Goel A. Emerging Role of MicroRNAs as Liquid Biopsy Biomarkers in Gastrointestinal Cancers. Clin Cancer Res. 2017 May 15;23(10):2391-2399. doi: 10.1158/1078-0432.CCR-16-1676. Epub 2017 Jan 31.
PubMed 28143873Yu W, Hurley J, Roberts D, Chakrabortty SK, Enderle D, Noerholm M, Breakefield XO, Skog JK. Exosome-based liquid biopsies in cancer: opportunities and challenges. Ann Oncol. 2021 Apr;32(4):466-477. doi: 10.1016/j.annonc.2021.01.074. Epub 2021 Feb 4.
PubMed 33548389Tang XH, Guo T, Gao XY, Wu XL, Xing XF, Ji JF, Li ZY. Exosome-derived noncoding RNAs in gastric cancer: functions and clinical applications. Mol Cancer. 2021 Jul 30;20(1):99. doi: 10.1186/s12943-021-01396-6.
PubMed 34330299Huang T, Song C, Zheng L, Xia L, Li Y, Zhou Y. The roles of extracellular vesicles in gastric cancer development, microenvironment, anti-cancer drug resistance, and therapy. Mol Cancer. 2019 Mar 30;18(1):62. doi: 10.1186/s12943-019-0967-5.
PubMed 30925929Kalluri R, LeBleu VS. The biology, function, and biomedical applications of exosomes. Science. 2020 Feb 7;367(6478):eaau6977. doi: 10.1126/science.aau6977.
PubMed 32029601Tanioka H, Nagasaka T, Uno F, Inoue M, Okita H, Katata Y, Kanzaki H, Kuramochi H, Satake H, Shindo Y, Doi A, Nasu J, Yamashita H, Yamaguchi Y. The relationship between peripheral neuropathy and efficacy in second-line chemotherapy for unresectable advanced gastric cancer: a prospective observational multicenter study protocol (IVY). BMC Cancer. 2019 Oct 11;19(1):941. doi: 10.1186/s12885-019-6163-6.
PubMed 31604467Shitara K, Takashima A, Fujitani K, Koeda K, Hara H, Nakayama N, Hironaka S, Nishikawa K, Makari Y, Amagai K, Ueda S, Yoshida K, Shimodaira H, Nishina T, Tsuda M, Kurokawa Y, Tamura T, Sasaki Y, Morita S, Koizumi W. Nab-paclitaxel versus solvent-based paclitaxel in patients with previously treated advanced gastric cancer (ABSOLUTE): an open-label, randomised, non-inferiority, phase 3 trial. Lancet Gastroenterol Hepatol. 2017 Apr;2(4):277-287. doi: 10.1016/S2468-1253(16)30219-9. Epub 2017 Jan 19.
PubMed 28404157
Study at a glance
From the registry record, last updated by the sponsor on 18 Jul 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Predicting the Efficacy of Paclitaxel Plus Ramucirumab in Advanced Gastric Cancer.
- ClinicalTrials.gov ID
- NCT06490055
- Acronym / sponsor ID
- 23228/SLCGC
- Conditions
- Gastric Cancer, Chemotherapy Effect, Paclitaxel, Ramucirumab
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 162 participants (actual)
- Lead sponsor
- City of Hope Medical CenterUniversity, hospital or other
- Study start
- 1 Oct 2018 (actual)
- Primary completion
- 18 Feb 2025 (actual)
- Study completion
- 1 Jul 2025 (actual)
- First posted
- 8 Jul 2024 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
With advances in chemotherapy for gastric cancer, it is important to identify patients who will respond effectively to specific therapies. This longitudinal study aimed to establish a liquid-biopsy assay that can predict response to ramucirumab plus paclitaxel therapy in patients with advanced gastric cancer.
Detailed description
The combination of paclitaxel and ramucirumab is a potent standard second-line therapy for patients with advanced gastric cancer, but approximately 30% of patients do not respond to treatment. Failure to respond to second-line therapy can lead not only to disease progression, but also to deterioration of the patient's health and loss of the opportunity to receive other treatments that originally had the potential to be curative. This study aims to predict the efficacy of second-line treatment (paclitaxel plus ramucirumab) in patients with gastric cancer using liquid biopsies (small RNA). Prediction using pre-treatment blood may allow patients who do not respond to treatment to choose other treatment options. This study aims to establish a tool that will enable noninvasive pre-treatment selection, which could lead to personalized treatment.
Study design
- Observational model
- Case-control
- Time perspective
- Cross-sectional
- Target follow-up
- 2 Years
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Gastric cancer chemotherapy responders received second-line chemotherapy | – | Drug: PaclitaxelResponders according to the response evaluation criteria in solid tumors (RECIST). A panel of microRNA, whose expression level is tested exosomal microRNA from blood sample before second-line chemotherapy with reverse transcriptase quantitative polymerase chain reaction (RT-qPCR) |
| Gastric cancer chemotherapy non-responders received second-line chemotherapy | – | Drug: PaclitaxelNon-responders according to the response evaluation criteria in solid tumors (RECIST). A panel of microRNA, whose expression level is tested exosomal microRNA from blood sample before second-line chemotherapy with reverse transcriptase quantitative polymerase chain reaction (RT-qPCR) |
Who may qualify
- Ages
- 20 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- Patients need second-line chemotherapy with unresectable or recurrent Gastric cancer.
Key inclusion criteria (6 listed)
- unresectable or recurrent GC histologically confirmed to be primary adenocarcinoma of the stomach.
- age over 20 years.
- Eastern Cooperative Oncology Group performance status score of 0-2.
- written informed consent following full study information is provided to the patient.
- progression or intolerance for first-line chemotherapy comprising fluorinated pyrimidine and platinum anticancer drugs (cisplatin or oxaliplatin) for advanced GC.
Key exclusion criteria (5 listed)
- Patients with a life expectancy of shorter than 3 months
- Patients with severe complications (angina pectoris, myocardial infarction, or arrhythmia) or uncontrollable diabetes mellitus, blood hypertension, or bleeding tendency.
- Patients with a history of serious allergic reactions or serious drug allergy.
- Patients with a clinically relevant mental disorder that prohibits response to questionnaires.
- Patients for whom the attending physician considered that enrollment in the study is inappropriate.
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 |
|---|---|---|
| PaclitaxelAlso: RamucirumabGastric cancer second-line Chemotherapy (paclitaxel plus ramucirumab) | Drug | Gastric cancer chemotherapy non-responders received second-line chemotherapy, Gastric cancer chemotherapy responders received second-line chemotherapy |
Primary outcome
Chemotherapy response
Time frame: 2 years
Follows by response valuation criteria in solid tumors (RECIST) evaluation. Partial response (PR) and Stable disease (SD) are defined as treatment effective, while Progressive disease (PD) is defined as no treatment effective.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 18 Jul 2025.
- Background: PubMed 33538338Sung H, Ferlay J, Siegel RL, Laversanne M, Soerjomataram I, Jemal A, Bray F. Global Cancer Statistics 2020: GLOBOCAN Estimates of Incidence and Mortality Worldwide for 36 Cancers in 185 Countries. CA Cancer J Clin. 2021 May;71(3):209-249. doi: 10.3322/caac.21660. Epub 2021 Feb 4.
- Background: PubMed 35130500Ajani JA, D'Amico TA, Bentrem DJ, Chao J, Cooke D, Corvera C, Das P, Enzinger PC, Enzler T, Fanta P, Farjah F, Gerdes H, Gibson MK, Hochwald S, Hofstetter WL, Ilson DH, Keswani RN, Kim S, Kleinberg LR, Klempner SJ, Lacy J, Ly QP, Matkowskyj KA, McNamara M, Mulcahy MF, Outlaw D, Park H, Perry KA, Pimiento J, Poultsides GA, Reznik S, Roses RE, Strong VE, Su S, Wang HL, Wiesner G, Willett CG, Yakoub D, Yoon H, McMillian N, Pluchino LA. Gastric Cancer, Version 2.2022, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw. 2022 Feb;20(2):167-192. doi: 10.6004/jnccn.2022.0008.
- Background: PubMed 24094768Fuchs CS, Tomasek J, Yong CJ, Dumitru F, Passalacqua R, Goswami C, Safran H, Dos Santos LV, Aprile G, Ferry DR, Melichar B, Tehfe M, Topuzov E, Zalcberg JR, Chau I, Campbell W, Sivanandan C, Pikiel J, Koshiji M, Hsu Y, Liepa AM, Gao L, Schwartz JD, Tabernero J; REGARD Trial Investigators. Ramucirumab monotherapy for previously treated advanced gastric or gastro-oesophageal junction adenocarcinoma (REGARD): an international, randomised, multicentre, placebo-controlled, phase 3 trial. Lancet. 2014 Jan 4;383(9911):31-39. doi: 10.1016/S0140-6736(13)61719-5. Epub 2013 Oct 3.
- Background: PubMed 25240821Wilke H, Muro K, Van Cutsem E, Oh SC, Bodoky G, Shimada Y, Hironaka S, Sugimoto N, Lipatov O, Kim TY, Cunningham D, Rougier P, Komatsu Y, Ajani J, Emig M, Carlesi R, Ferry D, Chandrawansa K, Schwartz JD, Ohtsu A; RAINBOW Study Group. Ramucirumab plus paclitaxel versus placebo plus paclitaxel in patients with previously treated advanced gastric or gastro-oesophageal junction adenocarcinoma (RAINBOW): a double-blind, randomised phase 3 trial. Lancet Oncol. 2014 Oct;15(11):1224-35. doi: 10.1016/S1470-2045(14)70420-6. Epub 2014 Sep 17.
- Background: PubMed 34626550Xu RH, Zhang Y, Pan H, Feng J, Zhang T, Liu T, Qin Y, Qin S, Yin X, Liu B, Ba Y, Yang N, Voon PJ, Tanasanvimon S, Zhou C, Zhang WL, Shen L. Efficacy and safety of weekly paclitaxel with or without ramucirumab as second-line therapy for the treatment of advanced gastric or gastroesophageal junction adenocarcinoma (RAINBOW-Asia): a randomised, multicentre, double-blind, phase 3 trial. Lancet Gastroenterol Hepatol. 2021 Dec;6(12):1015-1024. doi: 10.1016/S2468-1253(21)00313-7. Epub 2021 Oct 7.
- Background: PubMed 32014812Van Cutsem E, Muro K, Cunningham D, Bodoky G, Sobrero A, Cascinu S, Ajani J, Oh SC, Al-Batran SE, Wainberg ZA, Wijayawardana SR, Melemed S, Ferry D, Hozak RR, Ohtsu A; RAINBOW Investigators. Biomarker analyses of second-line ramucirumab in patients with advanced gastric cancer from RAINBOW, a global, randomized, double-blind, phase 3 study. Eur J Cancer. 2020 Mar;127:150-157. doi: 10.1016/j.ejca.2019.10.026. Epub 2020 Jan 31.
- Background: PubMed 30899983Natsume M, Shimura T, Iwasaki H, Okuda Y, Kitagawa M, Okamoto Y, Hayashi K, Kataoka H. Placental growth factor is a predictive biomarker for ramucirumab treatment in advanced gastric cancer. Cancer Chemother Pharmacol. 2019 Jun;83(6):1037-1046. doi: 10.1007/s00280-019-03817-2. Epub 2019 Mar 21.
- Background: PubMed 25800976Aprile G, Ongaro E, Del Re M, Lutrino SE, Bonotto M, Ferrari L, Rihawi K, Cardellino GG, Pella N, Danesi R, Fasola G. Angiogenic inhibitors in gastric cancers and gastroesophageal junction carcinomas: A critical insight. Crit Rev Oncol Hematol. 2015 Aug;95(2):165-78. doi: 10.1016/j.critrevonc.2015.02.009. Epub 2015 Mar 5.
- Background: PubMed 28143873Shigeyasu K, Toden S, Zumwalt TJ, Okugawa Y, Goel A. Emerging Role of MicroRNAs as Liquid Biopsy Biomarkers in Gastrointestinal Cancers. Clin Cancer Res. 2017 May 15;23(10):2391-2399. doi: 10.1158/1078-0432.CCR-16-1676. Epub 2017 Jan 31.
- Background: PubMed 33548389Yu W, Hurley J, Roberts D, Chakrabortty SK, Enderle D, Noerholm M, Breakefield XO, Skog JK. Exosome-based liquid biopsies in cancer: opportunities and challenges. Ann Oncol. 2021 Apr;32(4):466-477. doi: 10.1016/j.annonc.2021.01.074. Epub 2021 Feb 4.
- Background: PubMed 34330299Tang XH, Guo T, Gao XY, Wu XL, Xing XF, Ji JF, Li ZY. Exosome-derived noncoding RNAs in gastric cancer: functions and clinical applications. Mol Cancer. 2021 Jul 30;20(1):99. doi: 10.1186/s12943-021-01396-6.
- Background: PubMed 30925929Huang T, Song C, Zheng L, Xia L, Li Y, Zhou Y. The roles of extracellular vesicles in gastric cancer development, microenvironment, anti-cancer drug resistance, and therapy. Mol Cancer. 2019 Mar 30;18(1):62. doi: 10.1186/s12943-019-0967-5.
- Individual participant dataSharing planned: Undecided
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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.
Koichi Takiguchi, PhD principal investigator
City of Hope Medical Center
2 sites in 2 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Gastric Cancer and Chemotherapy Effect, run by City of Hope Medical Center at 2 sites in 2 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 6 inclusion and 5 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 18 Jul 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 2 sites in United States, Japan. 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.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
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?
Chemotherapy response (time frame: 2 years). 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 NCT06490055, which also lists 30 linked publications.
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 18 Jul 2025.