Wilms TumorNephrogreenNCT05735977
Nephrogreen. Appearances of Exvivo Renal Tumours Under Near-infrared
A study testing Indocyanine Green (ICG) in people with Wilms Tumor and Renal Cancer, run by Birmingham Women's and Children's NHS Foundation Trust at 1 site in United Kingdom.
Trial summary
Indocyanine Green (ICG) is a dye which fluoresces under near-infrared (NIR) light. It has been used for several applications in adult surgery. The CI is pioneering its use in children's kidney cancer surgery for lymph node identification and removal. Read more about this study
- Who is it for?
- Ages 1 day to 15 years
- Conditions the study is for
- Wilms Tumor, Renal Cancer
- What is being tested?
- Indocyanine Green (ICG)
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 12 participants
- Where
- 1 siteUnited Kingdom
- Study dates
- 1 Feb 2023to 6 Jan 2025
- Phase
- Interventional
- 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 1 day to 15 years
- All sexes
- No healthy volunteers
- Child
Who may be able to join
- Diagnosis of paediatric renal tumour
- A requirement for radical total nephroureterectomy as part of the treatment
Who cannot join
- Tumour removed in multiple pieces
- Renal vein thrombus
Trial locations and contacts
1 site in 1 country.
About this study
Official title: An Open Label Cohort Study Assessing the Near Infrared Fluoroscopic Macro and Microscopic Appearances of Paediatric Renal Parenchyma and Tumours Following Ex-vivo Injection of Indocyanine Green
Indocyanine Green (ICG) is a dye which fluoresces under near-infrared (NIR) light. It has been used for several applications in adult surgery. The CI is pioneering its use in children's kidney cancer surgery for lymph node identification and removal. This study concentrates on its use for procedures where only the part of the kidney containing tumour is removed. It is known that kidney tumours in both adults and children do not take up ICG at all. This absence of uptake can be used to define the border between normal and abnormal renal tissue giving a real-time picture of the area of tumour. This then delivers surgeons an intra-operative roadmap for removing only the cancerous part of the kidney. At present the international society of paediatric oncology - renal tumour study group (SIOP-RTSG) protocol, which is followed in the UK, advises consideration of partial nephrectomy for children with bilateral renal tumours and in children with unilateral tumours who have a renal tumour predisposition syndrome. There is ongoing debate about partial nephrectomy in unilateral renal tumour surgery in children who do not have a predisposition syndrome.
This study aims to provide the evidence that paediatric renal tumours do not take up ICG at a naked-eye level and confirm this at a cell level. ICG will be infused into kidneys containing tumour once they have been removed from the patient, The kidney and tumour will be observed under NIR light to show where the areas of fluorescence are. Then, a pathologist will prepare the specimen in theatre, in the same way they would do in the lab. The specimen would be bivalved and reviewed under NIR. Microscopy specimens of the border between normal and abnormal tissue would then be reviewed with an NIR capable microscope. The standard histopathological assessment would then take place.
Read the detailed description
This study will ascertain if paediatric renal tumours are ICG avid or not. This is critical for determining what the value of using ICG/NIRF will be during nephron sparing surgery (NSS)/ partial nephrectomy in children who have renal tumours that are suitable for this type of surgery. If the normal renal parenchyma is ICG avid but the tumour is not (as has been shown for RCC in adults) then we can conclude that if a fluorescent margin left in-situ on the tumour, then it would be completely resected. Early work at St. Jude has suggested this technique shows promise, but it has not been validated prospectively at a macro or microscopic level.
This is important because in children with unilateral tumours, total nephrectomy has been performed routinely due to concern over leaving behind tumour tissue. If tumour tissue is left behind the patient is upstaged and requires radiotherapy with the consequent sequelae that confers. Radiotherapy to this area invariably damages the kidney so much that it is essentially non-functioning and avoiding this exposure would clearly be ideal. In children with bilateral tumours, retaining as much renal tissue as possible whilst facilitating a complete resection is the goal of surgery. If ICG/NIRF can help with this then it will change the game for this population of patients In addition, this technique will aid in retaining as much normal parenchyma as possible giving the patient better long-term outcomes for renal function. As a further advantage, the study may ascertain if ICG can differentiate between non-cancerous nephrogenic rests (NRs), normal renal parenchyma, and tumour. The difference between these types of tissue is critical when doing NSS because currently only formal histopathological assessment can reliably differentiate NRs from normal tissue or tumour. This is because the definition hinges on whether the lesions have a capsule or not. This is not identifiable on imaging or on core biopsy. The vital feature is that NR's do not require resection, whereas tumour obviously does.
Avidity for ICG may be different in different types of tumours and this will be recorded using the intensity mapping feature of the Storz Rubina Opal1 system. At a cellular level it will be important to investigate why ICG does not cross into tumour and whether this is due to the tumour capsule preventing or limiting vascular flow, or some other factor.
ICG does not affect the histopathological assessment and this research study will validate whether ICG survives the fixing process as this has not been assessed with an NIR capable microscope.
- Conditions
- Wilms Tumor, Renal Cancer
- Being tested
- Indocyanine Green (ICG)
- Keywords
- Wilms, Indocyanine Green, Partial Nephrectomy
- Medical subject headings
- Wilms Tumor, Kidney Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Indocyanine Green (ICG)Diagnostic test
Will the use of ICG delineate the margin between normal kidney parenchyma and renal tumour in children at a macroscopic level and can this be replicated at a microscopic level
| Study group | Role | What they receive |
|---|---|---|
| Indocyanine Green | Other | Cohort study using one arm, no comparator group is possible or feasible Receives: Diagnostic Test: Indocyanine Green (ICG) |
What is being measured
The primary outcome is the main question the study is designed to answer.
Macroscopic appearance
Macroscopic comparison assessment of ICG avidity using Storz Rubina NIR between normal renal parenchyma and tumour.
Measured: Immediately following tumour resection
Secondary outcomes (2)
ICG intensity mapping
Measurement of the quantifiable level of avidity using intensity mapping on a Karl Storz Endoskope™ Opal 1 Rubina system.
Measured: Immediately following tumour resection
Microscopic appearance
Microscopic comparison of ICG avidity between tumour, non-tumour and nephrogenic rests using a nearinfrared microscope.
Measured: Within 2 weeks following tumour resection
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted21 Feb 2023
- Study start1 Feb 2023
- Primary completion6 Jan 2025
- Study completion6 Jan 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (13)Papers the sponsor has linked to this study.
- Other trials for Wilms TumorStudies 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
- Diagnosis
- Allocation
- Not applicable
- Intervention model
- Single group
- Model description
- Single centre cohort study using consecutive patients. No comparison group.
- Masking
- None (open label)
- Enrolment
- 12 participants (actual)
Sponsor and investigators
- Lead sponsor
- Birmingham Women's and Children's NHS Foundation Trust
- Sponsor type
- University, hospital or other
- Collaborators
- Children's Cancer and Leukaemia Group
- Responsible party
- Sponsor
- Investigators
- Max Pachl, Principal investigator, Birmingham Women's and Children's NHS Foundation Trust, UK
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05735977
- Sponsor's protocol ID
- 22/BC/ONC/NO/655
- Acronym
- Nephrogreen
- Status last verified
- Aug 2024
- First submitted
- 20 Dec 2022
- Last updated
- 4 Mar 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No: all IPD that underlie results in a publication
Publications
van den Bos J, Wieringa FP, Bouvy ND, Stassen LPS. Optimizing the image of fluorescence cholangiography using ICG: a systematic review and ex vivo experiments. Surg Endosc. 2018 Dec;32(12):4820-4832. doi: 10.1007/s00464-018-6233-x. Epub 2018 May 18.
PubMed 29777357Farag S, Frazzini Padilla P, Smith KA, Flyckt R, Sprague ML, Zimberg SE. Fallopian tube perfusion in ex-vivo and in-vivo laparoscopic hysterectomy specimens: potential application for uterine transplantation. Hum Reprod. 2018 Dec 1;33(12):2232-2240. doi: 10.1093/humrep/dey307.
PubMed 30304437Vujanic GM, Gessler M, Ooms AHAG, Collini P, Coulomb-l'Hermine A, D'Hooghe E, de Krijger RR, Perotti D, Pritchard-Jones K, Vokuhl C, van den Heuvel-Eibrink MM, Graf N; International Society of Paediatric Oncology-Renal Tumour Study Group (SIOP-RTSG). The UMBRELLA SIOP-RTSG 2016 Wilms tumour pathology and molecular biology protocol. Nat Rev Urol. 2018 Nov;15(11):693-701. doi: 10.1038/s41585-018-0100-3.
PubMed 30310143Dome JS, Fernandez CV, Mullen EA, Kalapurakal JA, Geller JI, Huff V, Gratias EJ, Dix DB, Ehrlich PF, Khanna G, Malogolowkin MH, Anderson JR, Naranjo A, Perlman EJ; COG Renal Tumors Committee. Children's Oncology Group's 2013 blueprint for research: renal tumors. Pediatr Blood Cancer. 2013 Jun;60(6):994-1000. doi: 10.1002/pbc.24419. Epub 2012 Dec 19.
PubMed 23255438Mitsui Y, Shiina H, Arichi N, Hiraoka T, Inoue S, Sumura M, Honda S, Yasumoto H, Igawa M. Indocyanine green (ICG)-based fluorescence navigation system for discrimination of kidney cancer from normal parenchyma: application during partial nephrectomy. Int Urol Nephrol. 2012 Jun;44(3):753-9. doi: 10.1007/s11255-011-0120-x. Epub 2012 Jan 4.
PubMed 22215306Soga N, Inoko A, Furusawa J, Ogura Y. Evaluation to Differentiate between Tumor Lesions and the Parenchyma in Partial Nephrectomies for Renal Tumors Based on Quantitative Fluorescence Imaging Using Indocyanine Green Dye. Curr Urol. 2019 Oct;13(2):74-81. doi: 10.1159/000499289. Epub 2019 Oct 1.
PubMed 31768173Mrad C, Coulomb-Lhermine A, Tabone MD, Ulinski T, Audry G, Irtan S. Evaluation of the nephron-sparing surgery formula in Wilms tumors. Pediatr Blood Cancer. 2020 Dec;67(12):e28661. doi: 10.1002/pbc.28661. Epub 2020 Aug 18.
PubMed 32808461Rickard M, Fernandez N, Blais AS, Shalabi A, Amirabadi A, Traubici J, Lee W, Gleason J, Brzezinski J, Lorenzo AJ. Volumetric assessment of unaffected parenchyma and Wilms' tumours: analysis of response to chemotherapy and surgery using a semi-automated segmentation algorithm in children with renal neoplasms. BJU Int. 2020 May;125(5):695-701. doi: 10.1111/bju.15026. Epub 2020 Feb 27.
PubMed 32012416Cozzi DA, Ceccanti S, Frediani S, Schiavetti A, Cozzi F. Chronic kidney disease in children with unilateral renal tumor. J Urol. 2012 May;187(5):1800-5. doi: 10.1016/j.juro.2011.12.109. Epub 2012 Mar 17.
PubMed 22424685Cozzi DA, Ceccanti S, Cozzi F. Renal function up to the 5th decade of life after nephrectomy in childhood: A literature review. Nephrology (Carlton). 2018 May;23(5):397-404. doi: 10.1111/nep.13202.
PubMed 29194872Green DM, Wang M, Krasin MJ, Davidoff AM, Srivastava D, Jay DW, Ness KK, Shulkin BL, Spunt SL, Jones DP, Lanctot JQ, Shelton KC, Brennan RC, Mulrooney DA, Ehrhardt MJ, Gibson TM, Kurt BA, Robison LL, Hudson MM. Long-term renal function after treatment for unilateral, nonsyndromic Wilms tumor. A report from the St. Jude Lifetime Cohort Study. Pediatr Blood Cancer. 2020 Oct;67(10):e28271. doi: 10.1002/pbc.28271. Epub 2020 Jul 24.
PubMed 32706494Tan XH, Zhang DY, Liu X, Lin T, He DW, Li XL, Wei GH. Retrospective analysis to determine outcomes of patients with bilateral Wilms tumor undergoing nephron sparing surgery: 15-year tertiary single-institution experience. Pediatr Surg Int. 2018 Apr;34(4):427-433. doi: 10.1007/s00383-018-4232-6. Epub 2018 Jan 24.
PubMed 29368077Kieran K, Williams MA, Dome JS, McGregor LM, Krasin MJ, Davidoff AM. Margin status and tumor recurrence after nephron-sparing surgery for bilateral Wilms tumor. J Pediatr Surg. 2013 Jul;48(7):1481-5. doi: 10.1016/j.jpedsurg.2013.02.033.
PubMed 23895958
Study at a glance
From the registry record, last updated by the sponsor on 4 Mar 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- An Open Label Cohort Study Assessing the Near Infrared Fluoroscopic Macro and Microscopic Appearances of Paediatric Renal Parenchyma and Tumours Following Ex-vivo Injection of Indocyanine Green
- ClinicalTrials.gov ID
- NCT05735977
- Acronym / sponsor ID
- Nephrogreen / 22/BC/ONC/NO/655
- Conditions
- Wilms Tumor, Renal Cancer
- Keywords
- Wilms, Indocyanine Green, Partial Nephrectomy
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 12 participants (actual)
- Lead sponsor
- Birmingham Women's and Children's NHS Foundation TrustUniversity, hospital or other
- Collaborators
- Children's Cancer and Leukaemia Group
- Study start
- 1 Feb 2023 (actual)
- Primary completion
- 6 Jan 2025 (actual)
- Study completion
- 6 Jan 2025 (actual)
- First posted
- 21 Feb 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.
Indocyanine Green (ICG) is a dye which fluoresces under near-infrared (NIR) light. It has been used for several applications in adult surgery. The CI is pioneering its use in children's kidney cancer surgery for lymph node identification and removal. This study concentrates on its use for procedures where only the part of the kidney containing tumour is removed. It is known that kidney tumours in both adults and children do not take up ICG at all. This absence of uptake can be used to define the border between normal and abnormal renal tissue giving a real-time picture of the area of tumour. This then delivers surgeons an intra-operative roadmap for removing only the cancerous part of the kidney. At present the international society of paediatric oncology - renal tumour study group (SIOP-RTSG) protocol, which is followed in the UK, advises consideration of partial nephrectomy for children with bilateral renal tumours and in children with unilateral tumours who have a renal tumour predisposition syndrome. There is ongoing debate about partial nephrectomy in unilateral renal tumour surgery in children who do not have a predisposition syndrome.
This study aims to provide the evidence that paediatric renal tumours do not take up ICG at a naked-eye level and confirm this at a cell level. ICG will be infused into kidneys containing tumour once they have been removed from the patient, The kidney and tumour will be observed under NIR light to show where the areas of fluorescence are. Then, a pathologist will prepare the specimen in theatre, in the same way they would do in the lab. The specimen would be bivalved and reviewed under NIR. Microscopy specimens of the border between normal and abnormal tissue would then be reviewed with an NIR capable microscope. The standard histopathological assessment would then take place.
Detailed description
This study will ascertain if paediatric renal tumours are ICG avid or not. This is critical for determining what the value of using ICG/NIRF will be during nephron sparing surgery (NSS)/ partial nephrectomy in children who have renal tumours that are suitable for this type of surgery. If the normal renal parenchyma is ICG avid but the tumour is not (as has been shown for RCC in adults) then we can conclude that if a fluorescent margin left in-situ on the tumour, then it would be completely resected. Early work at St. Jude has suggested this technique shows promise, but it has not been validated prospectively at a macro or microscopic level.
This is important because in children with unilateral tumours, total nephrectomy has been performed routinely due to concern over leaving behind tumour tissue. If tumour tissue is left behind the patient is upstaged and requires radiotherapy with the consequent sequelae that confers. Radiotherapy to this area invariably damages the kidney so much that it is essentially non-functioning and avoiding this exposure would clearly be ideal. In children with bilateral tumours, retaining as much renal tissue as possible whilst facilitating a complete resection is the goal of surgery. If ICG/NIRF can help with this then it will change the game for this population of patients In addition, this technique will aid in retaining as much normal parenchyma as possible giving the patient better long-term outcomes for renal function. As a further advantage, the study may ascertain if ICG can differentiate between non-cancerous nephrogenic rests (NRs), normal renal parenchyma, and tumour. The difference between these types of tissue is critical when doing NSS because currently only formal histopathological assessment can reliably differentiate NRs from normal tissue or tumour. This is because the definition hinges on whether the lesions have a capsule or not. This is not identifiable on imaging or on core biopsy. The vital feature is that NR's do not require resection, whereas tumour obviously does.
Avidity for ICG may be different in different types of tumours and this will be recorded using the intensity mapping feature of the Storz Rubina Opal1 system. At a cellular level it will be important to investigate why ICG does not cross into tumour and whether this is due to the tumour capsule preventing or limiting vascular flow, or some other factor.
ICG does not affect the histopathological assessment and this research study will validate whether ICG survives the fixing process as this has not been assessed with an NIR capable microscope.
Study design
- Primary purpose
- Diagnosis
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
- Model description
- Single centre cohort study using consecutive patients. No comparison group.
| Arm | Type | Receives |
|---|---|---|
| Indocyanine Green | Other | Diagnostic Test: Indocyanine Green (ICG)Cohort study using one arm, no comparator group is possible or feasible |
Who may qualify
- Ages
- 1 day to 15 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child
Key inclusion criteria (2 listed)
- Diagnosis of paediatric renal tumour
- A requirement for radical total nephroureterectomy as part of the treatment
Key exclusion criteria (2 listed)
- Tumour removed in multiple pieces
- Renal vein thrombus
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 |
|---|---|---|
| Indocyanine Green (ICG)Will the use of ICG delineate the margin between normal kidney parenchyma and renal tumour in children at a macroscopic level and can this be replicated at a microscopic level | Diagnostic test | Indocyanine Green |
Primary outcome
Macroscopic appearance
Time frame: Immediately following tumour resection
Macroscopic comparison assessment of ICG avidity using Storz Rubina NIR between normal renal parenchyma and tumour.
2 secondary outcomes
ICG intensity mapping
Time frame: Immediately following tumour resection
Microscopic appearance
Time frame: Within 2 weeks following tumour resection
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 4 Mar 2025.
- Background: PubMed 29777357van den Bos J, Wieringa FP, Bouvy ND, Stassen LPS. Optimizing the image of fluorescence cholangiography using ICG: a systematic review and ex vivo experiments. Surg Endosc. 2018 Dec;32(12):4820-4832. doi: 10.1007/s00464-018-6233-x. Epub 2018 May 18.
- Background: PubMed 30304437Farag S, Frazzini Padilla P, Smith KA, Flyckt R, Sprague ML, Zimberg SE. Fallopian tube perfusion in ex-vivo and in-vivo laparoscopic hysterectomy specimens: potential application for uterine transplantation. Hum Reprod. 2018 Dec 1;33(12):2232-2240. doi: 10.1093/humrep/dey307.
- Background: PubMed 30310143Vujanic GM, Gessler M, Ooms AHAG, Collini P, Coulomb-l'Hermine A, D'Hooghe E, de Krijger RR, Perotti D, Pritchard-Jones K, Vokuhl C, van den Heuvel-Eibrink MM, Graf N; International Society of Paediatric Oncology-Renal Tumour Study Group (SIOP-RTSG). The UMBRELLA SIOP-RTSG 2016 Wilms tumour pathology and molecular biology protocol. Nat Rev Urol. 2018 Nov;15(11):693-701. doi: 10.1038/s41585-018-0100-3.
- Background: PubMed 23255438Dome JS, Fernandez CV, Mullen EA, Kalapurakal JA, Geller JI, Huff V, Gratias EJ, Dix DB, Ehrlich PF, Khanna G, Malogolowkin MH, Anderson JR, Naranjo A, Perlman EJ; COG Renal Tumors Committee. Children's Oncology Group's 2013 blueprint for research: renal tumors. Pediatr Blood Cancer. 2013 Jun;60(6):994-1000. doi: 10.1002/pbc.24419. Epub 2012 Dec 19.
- Background: PubMed 22215306Mitsui Y, Shiina H, Arichi N, Hiraoka T, Inoue S, Sumura M, Honda S, Yasumoto H, Igawa M. Indocyanine green (ICG)-based fluorescence navigation system for discrimination of kidney cancer from normal parenchyma: application during partial nephrectomy. Int Urol Nephrol. 2012 Jun;44(3):753-9. doi: 10.1007/s11255-011-0120-x. Epub 2012 Jan 4.
- Background: PubMed 31768173Soga N, Inoko A, Furusawa J, Ogura Y. Evaluation to Differentiate between Tumor Lesions and the Parenchyma in Partial Nephrectomies for Renal Tumors Based on Quantitative Fluorescence Imaging Using Indocyanine Green Dye. Curr Urol. 2019 Oct;13(2):74-81. doi: 10.1159/000499289. Epub 2019 Oct 1.
- Background: PubMed 32808461Mrad C, Coulomb-Lhermine A, Tabone MD, Ulinski T, Audry G, Irtan S. Evaluation of the nephron-sparing surgery formula in Wilms tumors. Pediatr Blood Cancer. 2020 Dec;67(12):e28661. doi: 10.1002/pbc.28661. Epub 2020 Aug 18.
- Background: PubMed 32012416Rickard M, Fernandez N, Blais AS, Shalabi A, Amirabadi A, Traubici J, Lee W, Gleason J, Brzezinski J, Lorenzo AJ. Volumetric assessment of unaffected parenchyma and Wilms' tumours: analysis of response to chemotherapy and surgery using a semi-automated segmentation algorithm in children with renal neoplasms. BJU Int. 2020 May;125(5):695-701. doi: 10.1111/bju.15026. Epub 2020 Feb 27.
- Background: PubMed 22424685Cozzi DA, Ceccanti S, Frediani S, Schiavetti A, Cozzi F. Chronic kidney disease in children with unilateral renal tumor. J Urol. 2012 May;187(5):1800-5. doi: 10.1016/j.juro.2011.12.109. Epub 2012 Mar 17.
- Background: PubMed 29194872Cozzi DA, Ceccanti S, Cozzi F. Renal function up to the 5th decade of life after nephrectomy in childhood: A literature review. Nephrology (Carlton). 2018 May;23(5):397-404. doi: 10.1111/nep.13202.
- Background: PubMed 32706494Green DM, Wang M, Krasin MJ, Davidoff AM, Srivastava D, Jay DW, Ness KK, Shulkin BL, Spunt SL, Jones DP, Lanctot JQ, Shelton KC, Brennan RC, Mulrooney DA, Ehrhardt MJ, Gibson TM, Kurt BA, Robison LL, Hudson MM. Long-term renal function after treatment for unilateral, nonsyndromic Wilms tumor. A report from the St. Jude Lifetime Cohort Study. Pediatr Blood Cancer. 2020 Oct;67(10):e28271. doi: 10.1002/pbc.28271. Epub 2020 Jul 24.
- Background: PubMed 29368077Tan XH, Zhang DY, Liu X, Lin T, He DW, Li XL, Wei GH. Retrospective analysis to determine outcomes of patients with bilateral Wilms tumor undergoing nephron sparing surgery: 15-year tertiary single-institution experience. Pediatr Surg Int. 2018 Apr;34(4):427-433. doi: 10.1007/s00383-018-4232-6. Epub 2018 Jan 24.
- Individual participant dataSharing planned: No. all IPD that underlie results in a publication
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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.
Max Pachl principal investigator
Birmingham Women's and Children's NHS Foundation Trust, UK
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Indocyanine Green (ICG) in people with Wilms Tumor and Renal Cancer, run by Birmingham Women's and Children's NHS Foundation Trust at 1 site in United Kingdom.
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 2 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 4 Mar 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 United Kingdom. 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?
Macroscopic appearance (time frame: Immediately following tumour resection). 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 NCT05735977, which also lists 13 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 4 Mar 2025.