Colorectal CancerT1CRNCT06314971
Predicting Local and Distant Recurrence in T1 Colorectal Cancer
An observational study of Colorectal Cancer and Colorectal Neoplasms, run by City of Hope Medical Center at 3 sites in 3 countries.
Trial summary
Tumor recurrence significantly affects survival rates following the local resection of submucosal colorectal cancers (T1 CRC). Despite this, there are currently no reliable biomarkers established to predict recurrence in T1 CRC. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Colorectal Cancer, Colorectal Neoplasms, Colorectal Adenocarcinoma
- What is being tested?
- Tw1CE
- How many people
- 138 participants
- Where
- 3 sitesin 3 countries
- Study dates
- 15 Mar 2023to 30 Jun 2025
- 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 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: Two cohorts of patients with T1 colorectal cancer
Who may be able to join
- Stage I, pT1 colorectal cancer (TNM classification, 8th edition).
- Received standard diagnostic, staging, and stage-specific curative-intent resection (endoscopic or surgical, as per local guidelines).
- Confirmed cancer-free survivorship at the time of study inclusion.
Who cannot join
- Lack of informed consent.
- Induction of neoadjuvant systemic therapy before colorectal cancer resection.
- Synchronous colorectal and non-colorectal cancer diagnosed at or before surgery.
Trial locations and contacts
3 sites in 3 countries.
3 sites in 3 countries
United States1 site
City of Hope Medical Center
Duarte, California, 91010
About this study
Official title: Predicting Recurrence After Curative-Intent Resection of T1 Colorectal Cancer With Transcriptomics
Tumor recurrence significantly affects survival rates following the local resection of submucosal colorectal cancers (T1 CRC). Despite this, there are currently no reliable biomarkers established to predict recurrence in T1 CRC.
This study seeks to improve the prediction of recurrence-free survival in individuals who have survived T1 CRC.
Read the detailed description
The incidence of invasive submucosal colorectal cancer (T1 CRC) is increasing, likely as a reflection of improved screening and endoscopy use. Current treatment options for T1 CRC focus on less invasive methods (i.e., endoscopic submucosal dissection), and treatment decisions are based on the risk of lymph node metastasis (LNM). Up to 70-80% of T1 CRC patients may undergo surgery, with adjuvant chemotherapy recommended only for those with LNM.
However, current clinical practice guidelines are considered to be overly aggressive and recommend the administration of aggressive treatment to many patients who may be cured with non-invasive therapy alone. This results in the overtreatment of many patients, especially those that are currently defined as 'high-risk' T1 CRC. Existing surveillance methods may not adequately predict the prognosis of T1 CRC, lacking established biomarkers for assessing disease-free survival.
This study seeks to validate tissue-based biomarkers (micro-RNA and messenger RNA) that are associated with tumor recurrence after curative resection. The identification of patients at high risk of recurrence may help in the selection of patients who truly benefit from additional oncologic surgery or adjuvant therapy. Previous research by this group has identified miRNA signatures for detecting postoperative tumor recurrence and metastasis in CRC, highlighting their potential as biomarkers for disease progression.
- Conditions
- Colorectal Cancer, Colorectal Neoplasms, Colorectal Adenocarcinoma, Colorectal Cancer Stage I, Colorectal Neoplasms Malignant, Colorectal Cancer Recurrent
- Being tested
- Tw1CE
- Keywords
- Endoscopic Submucosal Dissection (ESD), Endoscopic Submucosal Resection, Surgery, T1, Pathological T1 (pT1), Messenger RNA, Micro RNA, Formalin-Fixed Paraffin Embedded, Tissue, Transcriptomics
- Medical subject headings
- Colorectal Neoplasms, Colonic Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Tw1CEOther
Also called T1 Colorectal cancer rEcurrence (Tw1CE)
A panel of microRNA and messenger RNA, whose expression level is tested in macro-dissected formalin-fixed and paraffin-embedded (FFPE) samples derived from the primary tumor, with reverse transcriptase quantitative polymerase chain reaction (RT-qPCR)
| Study group | Role | What they receive |
|---|---|---|
| T1 Colorectal Cancer, With Recurrence (Training) | Survivors of T1 colorectal cancer who developed recurrent colorectal cancer within 36 months from primary tumor treatment, in the first cohort Receives: Other: Tw1CE | |
| T1 Colorectal Cancer, Without Recurrence (Training) | Survivors of T1 colorectal cancer who did not develop recurrent colorectal cancer within 36 months from primary tumor treatment, in the first cohort Receives: Other: Tw1CE | |
| T1 Colorectal Cancer, With Recurrence (Validation) | Survivors of T1 colorectal cancer who developed recurrent colorectal cancer within 36 months from primary tumor treatment, in the second cohort Receives: Other: Tw1CE | |
| T1 Colorectal Cancer, Without Recurrence (Validation) | Survivors of T1 colorectal cancer who did not develop recurrent colorectal cancer within 36 months from primary tumor treatment, in the second cohort Receives: Other: Tw1CE |
What is being measured
The primary outcome is the main question the study is designed to answer.
Recurrence-free Survival
Time from curative-intent resection to the development of recurrence (or death)
Measured: Up to 60 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted18 Mar 2024
- Study start15 Mar 2023
- Primary completion15 Jun 2025
- Study completion30 Jun 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (29)Papers the sponsor has linked to this study.
- Other trials for Colorectal 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
- Retrospective
- Enrolment
- 138 participants (actual)
Sponsor and investigators
- Lead sponsor
- City of Hope Medical Center
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Ajay Goel, PhD, Principal investigator, City of Hope Medical Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06314971
- Sponsor's protocol ID
- 23228/T1CR
- Acronym
- T1CR
- Status last verified
- Jul 2025
- First submitted
- 11 Mar 2024
- Last updated
- 3 Jul 2025
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided: Data collected for the study will be made available to others, including de-identified participant data, at publication, via a signed data access agreement and at the discretion of the investigators' approval of the proposed use of such data.
Publications
Abdelmaksoud-Dammak R, Chamtouri N, Triki M, Saadallah-Kallel A, Ayadi W, Charfi S, Khabir A, Ayadi L, Sallemi-Boudawara T, Mokdad-Gargouri R. Overexpression of miR-10b in colorectal cancer patients: Correlation with TWIST-1 and E-cadherin expression. Tumour Biol. 2017 Mar;39(3):1010428317695916. doi: 10.1177/1010428317695916.
PubMed 28345456Siegel RL, Miller KD, Wagle NS, Jemal A. Cancer statistics, 2023. CA Cancer J Clin. 2023 Jan;73(1):17-48. doi: 10.3322/caac.21763.
PubMed 36633525Bray F, Ferlay J, Soerjomataram I, Siegel RL, Torre LA, Jemal A. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin. 2018 Nov;68(6):394-424. doi: 10.3322/caac.21492. Epub 2018 Sep 12.
PubMed 30207593Chiu HM, Chen SL, Yen AM, Chiu SY, Fann JC, Lee YC, Pan SL, Wu MS, Liao CS, Chen HH, Koong SL, Chiou ST. Effectiveness of fecal immunochemical testing in reducing colorectal cancer mortality from the One Million Taiwanese Screening Program. Cancer. 2015 Sep 15;121(18):3221-9. doi: 10.1002/cncr.29462. Epub 2015 May 20.
PubMed 25995082Dekker E, Tanis PJ, Vleugels JLA, Kasi PM, Wallace MB. Colorectal cancer. Lancet. 2019 Oct 19;394(10207):1467-1480. doi: 10.1016/S0140-6736(19)32319-0.
PubMed 31631858Jayanna M, Burgess NG, Singh R, Hourigan LF, Brown GJ, Zanati SA, Moss A, Lim J, Sonson R, Williams SJ, Bourke MJ. Cost Analysis of Endoscopic Mucosal Resection vs Surgery for Large Laterally Spreading Colorectal Lesions. Clin Gastroenterol Hepatol. 2016 Feb;14(2):271-8.e1-2. doi: 10.1016/j.cgh.2015.08.037. Epub 2015 Sep 11.
PubMed 26364679Weinberg RA. Mechanisms of malignant progression. Carcinogenesis. 2008 Jun;29(6):1092-5. doi: 10.1093/carcin/bgn104. Epub 2008 May 2. No abstract available.
PubMed 18453542Hashiguchi Y, Muro K, Saito Y, Ito Y, Ajioka Y, Hamaguchi T, Hasegawa K, Hotta K, Ishida H, Ishiguro M, Ishihara S, Kanemitsu Y, Kinugasa Y, Murofushi K, Nakajima TE, Oka S, Tanaka T, Taniguchi H, Tsuji A, Uehara K, Ueno H, Yamanaka T, Yamazaki K, Yoshida M, Yoshino T, Itabashi M, Sakamaki K, Sano K, Shimada Y, Tanaka S, Uetake H, Yamaguchi S, Yamaguchi N, Kobayashi H, Matsuda K, Kotake K, Sugihara K; Japanese Society for Cancer of the Colon and Rectum. Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines 2019 for the treatment of colorectal cancer. Int J Clin Oncol. 2020 Jan;25(1):1-42. doi: 10.1007/s10147-019-01485-z. Epub 2019 Jun 15.
PubMed 31203527Pimentel-Nunes P, Dinis-Ribeiro M, Ponchon T, Repici A, Vieth M, De Ceglie A, Amato A, Berr F, Bhandari P, Bialek A, Conio M, Haringsma J, Langner C, Meisner S, Messmann H, Morino M, Neuhaus H, Piessevaux H, Rugge M, Saunders BP, Robaszkiewicz M, Seewald S, Kashin S, Dumonceau JM, Hassan C, Deprez PH. Endoscopic submucosal dissection: European Society of Gastrointestinal Endoscopy (ESGE) Guideline. Endoscopy. 2015 Sep;47(9):829-54. doi: 10.1055/s-0034-1392882. Epub 2015 Aug 28.
PubMed 26317585Kaltenbach T, Anderson JC, Burke CA, Dominitz JA, Gupta S, Lieberman D, Robertson DJ, Shaukat A, Syngal S, Rex DK. Endoscopic Removal of Colorectal Lesions-Recommendations by the US Multi-Society Task Force on Colorectal Cancer. Gastroenterology. 2020 Mar;158(4):1095-1129. doi: 10.1053/j.gastro.2019.12.018. Epub 2020 Feb 11. No abstract available.
PubMed 32122632Yeh JH, Tseng CH, Huang RY, Lin CW, Lee CT, Hsiao PJ, Wu TC, Kuo LT, Wang WL. Long-term Outcomes of Primary Endoscopic Resection vs Surgery for T1 Colorectal Cancer: A Systematic Review and Meta-analysis. Clin Gastroenterol Hepatol. 2020 Nov;18(12):2813-2823.e5. doi: 10.1016/j.cgh.2020.05.060. Epub 2020 Jun 8.
PubMed 32526343Benson AB, Venook AP, Al-Hawary MM, Arain MA, Chen YJ, Ciombor KK, Cohen S, Cooper HS, Deming D, Farkas L, Garrido-Laguna I, Grem JL, Gunn A, Hecht JR, Hoffe S, Hubbard J, Hunt S, Johung KL, Kirilcuk N, Krishnamurthi S, Messersmith WA, Meyerhardt J, Miller ED, Mulcahy MF, Nurkin S, Overman MJ, Parikh A, Patel H, Pedersen K, Saltz L, Schneider C, Shibata D, Skibber JM, Sofocleous CT, Stoffel EM, Stotsky-Himelfarb E, Willett CG, Gregory KM, Gurski LA. Colon Cancer, Version 2.2021, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw. 2021 Mar 2;19(3):329-359. doi: 10.6004/jnccn.2021.0012.
PubMed 33724754Kobayashi H, Mochizuki H, Morita T, Kotake K, Teramoto T, Kameoka S, Saito Y, Takahashi K, Hase K, Oya M, Maeda K, Hirai T, Kameyama M, Shirouzu K, Sugihara K. Characteristics of recurrence after curative resection for T1 colorectal cancer: Japanese multicenter study. J Gastroenterol. 2011 Feb;46(2):203-11. doi: 10.1007/s00535-010-0341-2. Epub 2010 Dec 9.
PubMed 21152938Dang H, Dekkers N, le Cessie S, van Hooft JE, van Leerdam ME, Oldenburg PP, Flothuis L, Schoones JW, Langers AMJ, Hardwick JCH, van der Kraan J, Boonstra JJ. Risk and Time Pattern of Recurrences After Local Endoscopic Resection of T1 Colorectal Cancer: A Meta-analysis. Clin Gastroenterol Hepatol. 2022 Feb;20(2):e298-e314. doi: 10.1016/j.cgh.2020.11.032. Epub 2020 Dec 1.
PubMed 33271339Akgul O, Cetinkaya E, Ersoz S, Tez M. Role of surgery in colorectal cancer liver metastases. World J Gastroenterol. 2014 May 28;20(20):6113-22. doi: 10.3748/wjg.v20.i20.6113.
PubMed 24876733
Study at a glance
From the registry record, last updated by the sponsor on 3 Jul 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Predicting Recurrence After Curative-Intent Resection of T1 Colorectal Cancer With Transcriptomics
- ClinicalTrials.gov ID
- NCT06314971
- Acronym / sponsor ID
- T1CR / 23228/T1CR
- Conditions
- Colorectal Cancer, Colorectal Neoplasms, Colorectal Adenocarcinoma, Colorectal Cancer Stage I, Colorectal Neoplasms Malignant, Colorectal Cancer Recurrent
- Keywords
- Endoscopic Submucosal Dissection (ESD), Endoscopic Submucosal Resection, Surgery, T1, Pathological T1 (pT1), Messenger RNA, Micro RNA, Formalin-Fixed Paraffin Embedded
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 138 participants (actual)
- Lead sponsor
- City of Hope Medical CenterUniversity, hospital or other
- Study start
- 15 Mar 2023 (actual)
- Primary completion
- 15 Jun 2025 (actual)
- Study completion
- 30 Jun 2025 (actual)
- First posted
- 18 Mar 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.
Tumor recurrence significantly affects survival rates following the local resection of submucosal colorectal cancers (T1 CRC). Despite this, there are currently no reliable biomarkers established to predict recurrence in T1 CRC.
This study seeks to improve the prediction of recurrence-free survival in individuals who have survived T1 CRC.
Detailed description
The incidence of invasive submucosal colorectal cancer (T1 CRC) is increasing, likely as a reflection of improved screening and endoscopy use. Current treatment options for T1 CRC focus on less invasive methods (i.e., endoscopic submucosal dissection), and treatment decisions are based on the risk of lymph node metastasis (LNM). Up to 70-80% of T1 CRC patients may undergo surgery, with adjuvant chemotherapy recommended only for those with LNM.
However, current clinical practice guidelines are considered to be overly aggressive and recommend the administration of aggressive treatment to many patients who may be cured with non-invasive therapy alone. This results in the overtreatment of many patients, especially those that are currently defined as 'high-risk' T1 CRC. Existing surveillance methods may not adequately predict the prognosis of T1 CRC, lacking established biomarkers for assessing disease-free survival.
This study seeks to validate tissue-based biomarkers (micro-RNA and messenger RNA) that are associated with tumor recurrence after curative resection. The identification of patients at high risk of recurrence may help in the selection of patients who truly benefit from additional oncologic surgery or adjuvant therapy. Previous research by this group has identified miRNA signatures for detecting postoperative tumor recurrence and metastasis in CRC, highlighting their potential as biomarkers for disease progression.
Study design
- Observational model
- Case-control
- Time perspective
- Retrospective
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| T1 Colorectal Cancer, With Recurrence (Training) | – | Other: Tw1CESurvivors of T1 colorectal cancer who developed recurrent colorectal cancer within 36 months from primary tumor treatment, in the first cohort |
| T1 Colorectal Cancer, Without Recurrence (Training) | – | Other: Tw1CESurvivors of T1 colorectal cancer who did not develop recurrent colorectal cancer within 36 months from primary tumor treatment, in the first cohort |
| T1 Colorectal Cancer, With Recurrence (Validation) | – | Other: Tw1CESurvivors of T1 colorectal cancer who developed recurrent colorectal cancer within 36 months from primary tumor treatment, in the second cohort |
| T1 Colorectal Cancer, Without Recurrence (Validation) | – | Other: Tw1CESurvivors of T1 colorectal cancer who did not develop recurrent colorectal cancer within 36 months from primary tumor treatment, in the second cohort |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- Two cohorts of patients with T1 colorectal cancer
Key inclusion criteria (3 listed)
- Stage I, pT1 colorectal cancer (TNM classification, 8th edition).
- Received standard diagnostic, staging, and stage-specific curative-intent resection (endoscopic or surgical, as per local guidelines).
- Confirmed cancer-free survivorship at the time of study inclusion.
Key exclusion criteria (3 listed)
- Lack of informed consent.
- Induction of neoadjuvant systemic therapy before colorectal cancer resection.
- Synchronous colorectal and non-colorectal cancer diagnosed at or before surgery.
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 |
|---|---|---|
| Tw1CEAlso: T1 Colorectal cancer rEcurrence (Tw1CE)A panel of microRNA and messenger RNA, whose expression level is tested in macro-dissected formalin-fixed and paraffin-embedded (FFPE) samples derived from the primary tumor, with reverse transcriptase quantitative polymerase chain reaction (RT-qPCR) | Other | T1 Colorectal Cancer, With Recurrence (Training), T1 Colorectal Cancer, With Recurrence (Validation), T1 Colorectal Cancer, Without Recurrence (Training), T1 Colorectal Cancer, Without Recurrence (Validation) |
Primary outcome
Recurrence-free Survival
Time frame: Up to 60 months
Time from curative-intent resection to the development of recurrence (or death)
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 3 Jul 2025.
- Background: PubMed 28345456Abdelmaksoud-Dammak R, Chamtouri N, Triki M, Saadallah-Kallel A, Ayadi W, Charfi S, Khabir A, Ayadi L, Sallemi-Boudawara T, Mokdad-Gargouri R. Overexpression of miR-10b in colorectal cancer patients: Correlation with TWIST-1 and E-cadherin expression. Tumour Biol. 2017 Mar;39(3):1010428317695916. doi: 10.1177/1010428317695916.
- Background: PubMed 36633525Siegel RL, Miller KD, Wagle NS, Jemal A. Cancer statistics, 2023. CA Cancer J Clin. 2023 Jan;73(1):17-48. doi: 10.3322/caac.21763.
- Background: PubMed 30207593Bray F, Ferlay J, Soerjomataram I, Siegel RL, Torre LA, Jemal A. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin. 2018 Nov;68(6):394-424. doi: 10.3322/caac.21492. Epub 2018 Sep 12.
- Background: PubMed 25995082Chiu HM, Chen SL, Yen AM, Chiu SY, Fann JC, Lee YC, Pan SL, Wu MS, Liao CS, Chen HH, Koong SL, Chiou ST. Effectiveness of fecal immunochemical testing in reducing colorectal cancer mortality from the One Million Taiwanese Screening Program. Cancer. 2015 Sep 15;121(18):3221-9. doi: 10.1002/cncr.29462. Epub 2015 May 20.
- Background: PubMed 31631858Dekker E, Tanis PJ, Vleugels JLA, Kasi PM, Wallace MB. Colorectal cancer. Lancet. 2019 Oct 19;394(10207):1467-1480. doi: 10.1016/S0140-6736(19)32319-0.
- Background: PubMed 26364679Jayanna M, Burgess NG, Singh R, Hourigan LF, Brown GJ, Zanati SA, Moss A, Lim J, Sonson R, Williams SJ, Bourke MJ. Cost Analysis of Endoscopic Mucosal Resection vs Surgery for Large Laterally Spreading Colorectal Lesions. Clin Gastroenterol Hepatol. 2016 Feb;14(2):271-8.e1-2. doi: 10.1016/j.cgh.2015.08.037. Epub 2015 Sep 11.
- Background: PubMed 18453542Weinberg RA. Mechanisms of malignant progression. Carcinogenesis. 2008 Jun;29(6):1092-5. doi: 10.1093/carcin/bgn104. Epub 2008 May 2. No abstract available.
- Background: PubMed 31203527Hashiguchi Y, Muro K, Saito Y, Ito Y, Ajioka Y, Hamaguchi T, Hasegawa K, Hotta K, Ishida H, Ishiguro M, Ishihara S, Kanemitsu Y, Kinugasa Y, Murofushi K, Nakajima TE, Oka S, Tanaka T, Taniguchi H, Tsuji A, Uehara K, Ueno H, Yamanaka T, Yamazaki K, Yoshida M, Yoshino T, Itabashi M, Sakamaki K, Sano K, Shimada Y, Tanaka S, Uetake H, Yamaguchi S, Yamaguchi N, Kobayashi H, Matsuda K, Kotake K, Sugihara K; Japanese Society for Cancer of the Colon and Rectum. Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines 2019 for the treatment of colorectal cancer. Int J Clin Oncol. 2020 Jan;25(1):1-42. doi: 10.1007/s10147-019-01485-z. Epub 2019 Jun 15.
- Background: PubMed 26317585Pimentel-Nunes P, Dinis-Ribeiro M, Ponchon T, Repici A, Vieth M, De Ceglie A, Amato A, Berr F, Bhandari P, Bialek A, Conio M, Haringsma J, Langner C, Meisner S, Messmann H, Morino M, Neuhaus H, Piessevaux H, Rugge M, Saunders BP, Robaszkiewicz M, Seewald S, Kashin S, Dumonceau JM, Hassan C, Deprez PH. Endoscopic submucosal dissection: European Society of Gastrointestinal Endoscopy (ESGE) Guideline. Endoscopy. 2015 Sep;47(9):829-54. doi: 10.1055/s-0034-1392882. Epub 2015 Aug 28.
- Background: PubMed 32122632Kaltenbach T, Anderson JC, Burke CA, Dominitz JA, Gupta S, Lieberman D, Robertson DJ, Shaukat A, Syngal S, Rex DK. Endoscopic Removal of Colorectal Lesions-Recommendations by the US Multi-Society Task Force on Colorectal Cancer. Gastroenterology. 2020 Mar;158(4):1095-1129. doi: 10.1053/j.gastro.2019.12.018. Epub 2020 Feb 11. No abstract available.
- Background: PubMed 32526343Yeh JH, Tseng CH, Huang RY, Lin CW, Lee CT, Hsiao PJ, Wu TC, Kuo LT, Wang WL. Long-term Outcomes of Primary Endoscopic Resection vs Surgery for T1 Colorectal Cancer: A Systematic Review and Meta-analysis. Clin Gastroenterol Hepatol. 2020 Nov;18(12):2813-2823.e5. doi: 10.1016/j.cgh.2020.05.060. Epub 2020 Jun 8.
- Background: PubMed 33724754Benson AB, Venook AP, Al-Hawary MM, Arain MA, Chen YJ, Ciombor KK, Cohen S, Cooper HS, Deming D, Farkas L, Garrido-Laguna I, Grem JL, Gunn A, Hecht JR, Hoffe S, Hubbard J, Hunt S, Johung KL, Kirilcuk N, Krishnamurthi S, Messersmith WA, Meyerhardt J, Miller ED, Mulcahy MF, Nurkin S, Overman MJ, Parikh A, Patel H, Pedersen K, Saltz L, Schneider C, Shibata D, Skibber JM, Sofocleous CT, Stoffel EM, Stotsky-Himelfarb E, Willett CG, Gregory KM, Gurski LA. Colon Cancer, Version 2.2021, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw. 2021 Mar 2;19(3):329-359. doi: 10.6004/jnccn.2021.0012.
- Individual participant dataSharing planned: Undecided. Data collected for the study will be made available to others, including de-identified participant data, at publication, via a signed data access agreement and at the discretion of the investigators' approval of the proposed use of such data.
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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.
Ajay Goel, PhD principal investigator
City of Hope Medical Center
3 sites in 3 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Colorectal Cancer and Colorectal Neoplasms, run by City of Hope Medical Center at 3 sites in 3 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 3 inclusion and 3 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 3 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 3 sites in United States, Japan, Spain. 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?
Recurrence-free Survival (time frame: Up to 60 months). 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 NCT06314971, which also lists 29 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 3 Jul 2025.