Biliary Tract CarcinomaNCT06168292
Intraductal Radiofrequency Thermoablation and Radiotherapy Combined Treatment for Extrahepatic Cholangiocarcinoma
A study testing ID-RFA and Radiotherapy in people with Biliary Tract Carcinoma and Radiotherapy, run by National Cancer Center, Korea at 1 site in South Korea.
Trial summary
[Study objectives] To evaluate the efficacy and safety of the combined treatment of radiotherapy and endoscopic intraductal radiofrequency ablation in patients with locoregional extrahepatic cholangiocarcinoma. Read more about this study
- Who is it for?
- Ages 20 years and older
- Conditions the study is for
- Biliary Tract Carcinoma, Radiotherapy, Radio-frequency Ablation
- What is being tested?
- ID-RFA and Radiotherapy
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 53 participants
- Where
- 1 siteSouth Korea
- Study dates
- 1 Apr 2024to 30 Jun 2030
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
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
Who may be able to join
- Patients 20 years of age or older, who voluntarily agree to participate in the study and sign the informed consent.
- Patients with cytopathologically diagnosed inoperable extrahepatic cholangiocarcinoma
Who cannot join
- Patients who refuse to sign the informed consent
- Patients with metastatic cancer (stage IV) or malignant ascites
- Patients with intrahepatic cholangiocarcinoma
- Patients who are unable to undergo endoscopic procedures as determined by the investigator.
- Patients with a life expectancy of 3 months or less
- Patients with ID-RFA contraindications: pacemaker, pregnancy, uncorrected bleeding tendency (PT INR > 1.5, platelets < 50,000/mm3)
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
South Korea1 site, 1 recruiting
- Recruiting
National Cancer Center, Korea
Goyang-si, Other, 10408
0319200743, 73324@ncc.re.kr
About this study
Official title: Intraductal Radiofrequency Thermoablation and Radiotherapy Combined Treatment for Extrahepatic Cholangiocarcinoma: A Prospective, Single-arm, Multicenter Study
[Study objectives] To evaluate the efficacy and safety of the combined treatment of radiotherapy and endoscopic intraductal radiofrequency ablation in patients with locoregional extrahepatic cholangiocarcinoma.
Read the detailed description
○ Study flow The clinical study will be conducted in the following order. Of patients with extrahepatic cholangiocarcinoma requiring biliary drainage, those who meet the inclusion criteria and consent to the study will be enrolled in the study and hospitalized to undergo endoscopic biliary drainage. The histologic or cytologic examination will be performed at the time of the first biliary drainage, and the extent of the cholangiocarcinoma lesion will be assessed during the procedure. After the diagnosis of extrahepatic cholangiocarcinoma, ID-RFA will be performed, and a biliary stent will be inserted for biliary drainage. Radiotherapy will be performed within 1 month of ID-RFA.
Systemic chemotherapy is also one of the main treatments for patients with inoperable cholangiocarcinoma. Administration of subsequent chemotherapy is recommended after radiotherapy. The choice of chemotherapy regimen is at the discretion of the investigator based on on the patient's age, performance status, and other factors. For older patients who are inoperable, systemic chemotherapy may be difficult to administer.
Tumor response assessment will be performed using CT or MR every 2 months ± 2 weeks based on based on RECIST 1.1.
- Endoscopic biliary drainage The ERCP procedure is performed by an experienced pancreatobiliary endoscopist. A standardized endoscopic sphincterotomy (EST) is usually performed prior to stenting. If EST is difficult, a precut sphincterotomy may be performed first. After selective intubation into the bile duct according to the usual process of biliary drainage, a guidewire is placed upstream of the stricture and a biliary stent is inserted, and the type and length of the stent are selected at the discretion of the investigator. Systemic anti-cancer therapy after radiotherapy will be conducted at the discretion of the investigator, considering the patient's condition.
- ID-RFA ID-RFA requires a catheterized electrode that can be used through the channel of the ERCP. Currently, there are two commercially available RFA catheters: the Habib EndoHBP® (Boston Scientific, London, UK) and the ELRA RFA catheter® (Starmed, Goyang, Korea). This study uses the Habib catheter, which is an 8Fr bipolar catheter with two 8 mm electrodes that can be inserted into the bile duct by ERCP along a guidewire. The standard RFA is 7-10 W for 90 sec, and the energy and treatment time can be adjusted according to the operator's discretion. Repeated RFA can be performed by adjusting the catheter from proximal to distal depending on the length of the stricture during the same endoscopic session. After ID-RFA, a biliary stent is inserted to ensure bile duct patency and prevent stricture.
- Radiotherapy Radiotherapy is aimed to start within 1 month after ID-RFA. The radiotherapy dose will be 30-50 Gy in 10 fractions, considering the planning target volume based on the dose-volume standard.
- Being tested
- ID-RFA and Radiotherapy
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
ID-RFA and RadiotherapyProcedure or surgery
The histologic or cytologic examination will be performed at the time of the first biliary drainage, and the extent of the cholangiocarcinoma lesion will be assessed during the procedure. After the diagnosis of extrahepatic cholangiocarcinoma, ID-RFA will be performed, and a biliary stent will be inserted for biliary drainage. Radiotherapy will be performed within 1 month of ID-RFA.
| Study group | Role | What they receive |
|---|---|---|
| Experimental | Experimental | The clinical study will be conducted in the following order. Of patients with extrahepatic cholangiocarcinoma requiring biliary drainage, those who meet the inclusion criteria and consent to the study will be enrolled in the study and hospitalized to undergo endoscopic biliary drainage. The histologic or cytologic examination will be performed at the time of the first biliary drainage, and the extent of the cholangiocarcinoma lesion will be assessed during the procedure. After the diagnosis of extrahepatic cholangiocarcinoma, ID-RFA will be performed, and a biliary stent will be inserted for biliary drainage. Radiotherapy will be performed within 1 month of ID-RFA. Receives: Procedure: ID-RFA and Radiotherapy |
What is being measured
The primary outcome is the main question the study is designed to answer.
2-year local control rate
2-year local control rate
Measured: At 2 years from the date of study enrollment
Secondary outcomes (5)
1-year local control rate
1-year local control rate
Measured: At 1 years from the date of study enrollment
Overall survival
Overall survival
Measured: The time point of death from any cause from the study enrollment date, whichever occurs first, up to 2 years
Progression-free survival
Progression-free survival
Measured: The time point of the date of study enrollment until disease progression or death from any cause, whichever occurs first, up to 2 years
Local progression-free survival
Local progression-free survival
Measured: The time point of the date of study enrollment until locoregional progression or death from any cause, whichever occurs first, up to 2 years
Period of Stent patency
Period of Stent patency
Measured: The time point of the date of biliary stent placement after ID-RFA to the occurrence of stent dysfunction, up to 2 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted13 Dec 2023
- Study start1 Apr 2024
- Primary completion30 Jun 2028 (estimated)
- Study completion30 Jun 2030 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (12)Papers the sponsor has linked to this study.
- Other trials for Biliary Tract CarcinomaStudies of the same condition, open and under way.
- 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 N/A
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 53 participants (estimated)
Sponsor and investigators
- Lead sponsor
- National Cancer Center, Korea
- Sponsor type
- Other government
- Collaborators
- Boston Scientific Corporation
- Responsible party
- Principal investigator, Sang Myung Woo, National Cancer Center, Korea
- Investigators
- Sang Myung Woo, M.D, Principal investigator, National Cancer Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06168292
- Sponsor's protocol ID
- NCC2023-0200
- Status last verified
- Jun 2025
- First submitted
- 26 Nov 2023
- Last updated
- 19 Jun 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Prezzano KM, Prasad D, Hermann GM, Belal AN, Alberico RA. Radiofrequency Ablation and Radiation Therapy Improve Local Control in Spinal Metastases Compared to Radiofrequency Ablation Alone. Am J Hosp Palliat Care. 2019 May;36(5):417-422. doi: 10.1177/1049909118819460. Epub 2018 Dec 13.
PubMed 30541334Hiraki T, Gobara H, Iguchi T, Fujiwara H, Matsui Y, Kanazawa S. Radiofrequency ablation for early-stage nonsmall cell lung cancer. Biomed Res Int. 2014;2014:152087. doi: 10.1155/2014/152087. Epub 2014 Jun 3.
PubMed 24995270Autorino R, Mattiucci GC, Ardito F, Balducci M, Deodato F, Macchia G, Mantini G, Perri V, Tringali A, Gambacorta MA, Tagliaferri L, Giuliante F, Morganti AG, Valentini V. Radiochemotherapy with Gemcitabine in Unresectable Extrahepatic Cholangiocarcinoma: Long-term Results of a Phase II Study. Anticancer Res. 2016 Feb;36(2):737-40.
PubMed 26851032Cho JH, Jeong S, Kim EJ, Kim JM, Kim YS, Lee DH. Long-term results of temperature-controlled endobiliary radiofrequency ablation in a normal swine model. Gastrointest Endosc. 2018 Apr;87(4):1147-1150. doi: 10.1016/j.gie.2017.09.013. Epub 2017 Sep 25.
PubMed 28958907Kim EJ, Chung DH, Kim YJ, Kim YS, Park YH, Kim KK, Cho JH. Endobiliary radiofrequency ablation for distal extrahepatic cholangiocarcinoma: A clinicopathological study. PLoS One. 2018 Nov 15;13(11):e0206694. doi: 10.1371/journal.pone.0206694. eCollection 2018.
PubMed 30439965Sofi AA, Khan MA, Das A, Sachdev M, Khuder S, Nawras A, Lee W. Radiofrequency ablation combined with biliary stent placement versus stent placement alone for malignant biliary strictures: a systematic review and meta-analysis. Gastrointest Endosc. 2018 Apr;87(4):944-951.e1. doi: 10.1016/j.gie.2017.10.029. Epub 2017 Nov 3.
PubMed 29108980Yang J, Wang J, Zhou H, Zhou Y, Wang Y, Jin H, Lou Q, Zhang X. Efficacy and safety of endoscopic radiofrequency ablation for unresectable extrahepatic cholangiocarcinoma: a randomized trial. Endoscopy. 2018 Aug;50(8):751-760. doi: 10.1055/s-0043-124870. Epub 2018 Jan 17.
PubMed 29342492Lee YN, Jeong S, Choi HJ, Cho JH, Cheon YK, Park SW, Kim YS, Lee DH, Moon JH. The safety of newly developed automatic temperature-controlled endobiliary radiofrequency ablation system for malignant biliary strictures: A prospective multicenter study. J Gastroenterol Hepatol. 2019 Aug;34(8):1454-1459. doi: 10.1111/jgh.14657. Epub 2019 Apr 14.
PubMed 30861593Klement RJ, Abbasi-Senger N, Adebahr S, Alheid H, Allgaeuer M, Becker G, Blanck O, Boda-Heggemann J, Brunner T, Duma M, Eble MJ, Ernst I, Gerum S, Habermehl D, Hass P, Henkenberens C, Hildebrandt G, Imhoff D, Kahl H, Klass ND, Krempien R, Lewitzki V, Lohaus F, Ostheimer C, Papachristofilou A, Petersen C, Rieber J, Schneider T, Schrade E, Semrau R, Wachter S, Wittig A, Guckenberger M, Andratschke N. The impact of local control on overall survival after stereotactic body radiotherapy for liver and lung metastases from colorectal cancer: a combined analysis of 388 patients with 500 metastases. BMC Cancer. 2019 Feb 26;19(1):173. doi: 10.1186/s12885-019-5362-5.
PubMed 30808323Machtay M, Paulus R, Moughan J, Komaki R, Bradley JE, Choy H, Albain K, Movsas B, Sause WT, Curran WJ. Defining local-regional control and its importance in locally advanced non-small cell lung carcinoma. J Thorac Oncol. 2012 Apr;7(4):716-22. doi: 10.1097/JTO.0b013e3182429682.
PubMed 22425920Gkika E, Hawkins MA, Grosu AL, Brunner TB. The Evolving Role of Radiation Therapy in the Treatment of Biliary Tract Cancer. Front Oncol. 2020 Dec 14;10:604387. doi: 10.3389/fonc.2020.604387. eCollection 2020.
PubMed 33381458Park N, Jung MK, Kim EJ, Paik WH, Cho JH. In-stent radiofrequency ablation with uncovered metal stent placement for tumor ingrowth/overgrowth causing self-expandable metal stent occlusion in distal malignant biliary obstruction: multicenter propensity score-matched study. Gastrointest Endosc. 2023 Apr;97(4):694-703.e2. doi: 10.1016/j.gie.2022.11.017. Epub 2022 Nov 30.
PubMed 36460085
Study at a glance
From the registry record, last updated by the sponsor on 19 Jun 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Intraductal Radiofrequency Thermoablation and Radiotherapy Combined Treatment for Extrahepatic Cholangiocarcinoma: A Prospective, Single-arm, Multicenter Study
- ClinicalTrials.gov ID
- NCT06168292
- Acronym / sponsor ID
- NCC2023-0200
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 53 participants (estimated)
- Lead sponsor
- National Cancer Center, KoreaOther government
- Collaborators
- Boston Scientific Corporation
- Study start
- 1 Apr 2024 (actual)
- Primary completion
- 30 Jun 2028 (estimated)
- Study completion
- 30 Jun 2030 (estimated)
- First posted
- 13 Dec 2023 (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.
[Study objectives] To evaluate the efficacy and safety of the combined treatment of radiotherapy and endoscopic intraductal radiofrequency ablation in patients with locoregional extrahepatic cholangiocarcinoma.
Detailed description
○ Study flow The clinical study will be conducted in the following order. Of patients with extrahepatic cholangiocarcinoma requiring biliary drainage, those who meet the inclusion criteria and consent to the study will be enrolled in the study and hospitalized to undergo endoscopic biliary drainage. The histologic or cytologic examination will be performed at the time of the first biliary drainage, and the extent of the cholangiocarcinoma lesion will be assessed during the procedure. After the diagnosis of extrahepatic cholangiocarcinoma, ID-RFA will be performed, and a biliary stent will be inserted for biliary drainage. Radiotherapy will be performed within 1 month of ID-RFA.
Systemic chemotherapy is also one of the main treatments for patients with inoperable cholangiocarcinoma. Administration of subsequent chemotherapy is recommended after radiotherapy. The choice of chemotherapy regimen is at the discretion of the investigator based on on the patient's age, performance status, and other factors. For older patients who are inoperable, systemic chemotherapy may be difficult to administer.
Tumor response assessment will be performed using CT or MR every 2 months ± 2 weeks based on based on RECIST 1.1.
- Endoscopic biliary drainage The ERCP procedure is performed by an experienced pancreatobiliary endoscopist. A standardized endoscopic sphincterotomy (EST) is usually performed prior to stenting. If EST is difficult, a precut sphincterotomy may be performed first. After selective intubation into the bile duct according to the usual process of biliary drainage, a guidewire is placed upstream of the stricture and a biliary stent is inserted, and the type and length of the stent are selected at the discretion of the investigator. Systemic anti-cancer therapy after radiotherapy will be conducted at the discretion of the investigator, considering the patient's condition.
- ID-RFA ID-RFA requires a catheterized electrode that can be used through the channel of the ERCP. Currently, there are two commercially available RFA catheters: the Habib EndoHBP® (Boston Scientific, London, UK) and the ELRA RFA catheter® (Starmed, Goyang, Korea). This study uses the Habib catheter, which is an 8Fr bipolar catheter with two 8 mm electrodes that can be inserted into the bile duct by ERCP along a guidewire. The standard RFA is 7-10 W for 90 sec, and the energy and treatment time can be adjusted according to the operator's discretion. Repeated RFA can be performed by adjusting the catheter from proximal to distal depending on the length of the stricture during the same endoscopic session. After ID-RFA, a biliary stent is inserted to ensure bile duct patency and prevent stricture.
- Radiotherapy Radiotherapy is aimed to start within 1 month after ID-RFA. The radiotherapy dose will be 30-50 Gy in 10 fractions, considering the planning target volume based on the dose-volume standard.
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Experimental | Experimental | Procedure: ID-RFA and RadiotherapyThe clinical study will be conducted in the following order. Of patients with extrahepatic cholangiocarcinoma requiring biliary drainage, those who meet the inclusion criteria and consent to the study will be enrolled in the study and hospitalized to undergo endoscopic biliary drainage. The histologic or cytologic examination will be performed at the time of the first biliary drainage, and the extent of the cholangiocarcinoma lesion will be assessed during the procedure. After the diagnosis of extrahepatic cholangiocarcinoma, ID-RFA will be performed, and a biliary stent will be inserted for biliary drainage. Radiotherapy will be performed within 1 month of ID-RFA. |
Who may qualify
- Ages
- 20 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- Patients 20 years of age or older, who voluntarily agree to participate in the study and sign the informed consent.
- Patients with cytopathologically diagnosed inoperable extrahepatic cholangiocarcinoma
Key exclusion criteria (6 listed)
- Patients who refuse to sign the informed consent
- Patients with metastatic cancer (stage IV) or malignant ascites
- Patients with intrahepatic cholangiocarcinoma
- Patients who are unable to undergo endoscopic procedures as determined by the investigator.
- Patients with a life expectancy of 3 months or less
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 |
|---|---|---|
| ID-RFA and RadiotherapyThe histologic or cytologic examination will be performed at the time of the first biliary drainage, and the extent of the cholangiocarcinoma lesion will be assessed during the procedure. After the diagnosis of extrahepatic cholangiocarcinoma, ID-RFA will be performed, and a biliary stent will be inserted for biliary drainage. Radiotherapy will be performed within 1 month of ID-RFA. | Procedure or surgery | Experimental |
Primary outcome
2-year local control rate
Time frame: At 2 years from the date of study enrollment
2-year local control rate
5 secondary outcomes
1-year local control rate
Time frame: At 1 years from the date of study enrollment
Overall survival
Time frame: The time point of death from any cause from the study enrollment date, whichever occurs first, up to 2 years
Progression-free survival
Time frame: The time point of the date of study enrollment until disease progression or death from any cause, whichever occurs first, up to 2 years
Local progression-free survival
Time frame: The time point of the date of study enrollment until locoregional progression or death from any cause, whichever occurs first, up to 2 years
Period of Stent patency
Time frame: The time point of the date of biliary stent placement after ID-RFA to the occurrence of stent dysfunction, up to 2 years
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 19 Jun 2025.
- Results publication: PubMed 30541334Prezzano KM, Prasad D, Hermann GM, Belal AN, Alberico RA. Radiofrequency Ablation and Radiation Therapy Improve Local Control in Spinal Metastases Compared to Radiofrequency Ablation Alone. Am J Hosp Palliat Care. 2019 May;36(5):417-422. doi: 10.1177/1049909118819460. Epub 2018 Dec 13.
- Results publication: PubMed 24995270Hiraki T, Gobara H, Iguchi T, Fujiwara H, Matsui Y, Kanazawa S. Radiofrequency ablation for early-stage nonsmall cell lung cancer. Biomed Res Int. 2014;2014:152087. doi: 10.1155/2014/152087. Epub 2014 Jun 3.
- Results publication: PubMed 26851032Autorino R, Mattiucci GC, Ardito F, Balducci M, Deodato F, Macchia G, Mantini G, Perri V, Tringali A, Gambacorta MA, Tagliaferri L, Giuliante F, Morganti AG, Valentini V. Radiochemotherapy with Gemcitabine in Unresectable Extrahepatic Cholangiocarcinoma: Long-term Results of a Phase II Study. Anticancer Res. 2016 Feb;36(2):737-40.
- Results publication: PubMed 28958907Cho JH, Jeong S, Kim EJ, Kim JM, Kim YS, Lee DH. Long-term results of temperature-controlled endobiliary radiofrequency ablation in a normal swine model. Gastrointest Endosc. 2018 Apr;87(4):1147-1150. doi: 10.1016/j.gie.2017.09.013. Epub 2017 Sep 25.
- Results publication: PubMed 30439965Kim EJ, Chung DH, Kim YJ, Kim YS, Park YH, Kim KK, Cho JH. Endobiliary radiofrequency ablation for distal extrahepatic cholangiocarcinoma: A clinicopathological study. PLoS One. 2018 Nov 15;13(11):e0206694. doi: 10.1371/journal.pone.0206694. eCollection 2018.
- Results publication: PubMed 29108980Sofi AA, Khan MA, Das A, Sachdev M, Khuder S, Nawras A, Lee W. Radiofrequency ablation combined with biliary stent placement versus stent placement alone for malignant biliary strictures: a systematic review and meta-analysis. Gastrointest Endosc. 2018 Apr;87(4):944-951.e1. doi: 10.1016/j.gie.2017.10.029. Epub 2017 Nov 3.
- Results publication: PubMed 29342492Yang J, Wang J, Zhou H, Zhou Y, Wang Y, Jin H, Lou Q, Zhang X. Efficacy and safety of endoscopic radiofrequency ablation for unresectable extrahepatic cholangiocarcinoma: a randomized trial. Endoscopy. 2018 Aug;50(8):751-760. doi: 10.1055/s-0043-124870. Epub 2018 Jan 17.
- Results publication: PubMed 30861593Lee YN, Jeong S, Choi HJ, Cho JH, Cheon YK, Park SW, Kim YS, Lee DH, Moon JH. The safety of newly developed automatic temperature-controlled endobiliary radiofrequency ablation system for malignant biliary strictures: A prospective multicenter study. J Gastroenterol Hepatol. 2019 Aug;34(8):1454-1459. doi: 10.1111/jgh.14657. Epub 2019 Apr 14.
- Results publication: PubMed 30808323Klement RJ, Abbasi-Senger N, Adebahr S, Alheid H, Allgaeuer M, Becker G, Blanck O, Boda-Heggemann J, Brunner T, Duma M, Eble MJ, Ernst I, Gerum S, Habermehl D, Hass P, Henkenberens C, Hildebrandt G, Imhoff D, Kahl H, Klass ND, Krempien R, Lewitzki V, Lohaus F, Ostheimer C, Papachristofilou A, Petersen C, Rieber J, Schneider T, Schrade E, Semrau R, Wachter S, Wittig A, Guckenberger M, Andratschke N. The impact of local control on overall survival after stereotactic body radiotherapy for liver and lung metastases from colorectal cancer: a combined analysis of 388 patients with 500 metastases. BMC Cancer. 2019 Feb 26;19(1):173. doi: 10.1186/s12885-019-5362-5.
- Results publication: PubMed 22425920Machtay M, Paulus R, Moughan J, Komaki R, Bradley JE, Choy H, Albain K, Movsas B, Sause WT, Curran WJ. Defining local-regional control and its importance in locally advanced non-small cell lung carcinoma. J Thorac Oncol. 2012 Apr;7(4):716-22. doi: 10.1097/JTO.0b013e3182429682.
- Results publication: PubMed 33381458Gkika E, Hawkins MA, Grosu AL, Brunner TB. The Evolving Role of Radiation Therapy in the Treatment of Biliary Tract Cancer. Front Oncol. 2020 Dec 14;10:604387. doi: 10.3389/fonc.2020.604387. eCollection 2020.
- Results publication: PubMed 36460085Park N, Jung MK, Kim EJ, Paik WH, Cho JH. In-stent radiofrequency ablation with uncovered metal stent placement for tumor ingrowth/overgrowth causing self-expandable metal stent occlusion in distal malignant biliary obstruction: multicenter propensity score-matched study. Gastrointest Endosc. 2023 Apr;97(4):694-703.e2. doi: 10.1016/j.gie.2022.11.017. Epub 2022 Nov 30.
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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.
Sang Myung Woo, M.D principal investigator
National Cancer Center
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing ID-RFA and Radiotherapy in people with Biliary Tract Carcinoma and Radiotherapy, run by National Cancer Center, Korea at 1 site in South Korea.
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 2 inclusion and 6 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: looking for participants now, as of the sponsor's last update on 19 Jun 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in South Korea. 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?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Sang Myung Woo, M.D (82-31-920-1733, wsm@ncc.re.kr), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
2-year local control rate (time frame: At 2 years from the date of study enrollment). 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 NCT06168292, which also lists 12 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 19 Jun 2025.