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- Klinische proef NCT07656909
Low- vs High-Dose Sirolimus With Prednisolone for KHE and KMP
Low-dose Versus High-dose Sirolimus Combined With Prednisolone for Kaposiform Hemangioendothelioma With Kasabach-Merritt Phenomenon: a Randomized Noninferiority Trial
Studie Overzicht
Toestand
Interventie / Behandeling
Gedetailleerde beschrijving
The goal of this randomized clinical trial is to evaluate if low-dose sirolimus combined with prednisolone is noninferior to high-dose sirolimus combined with prednisolone in managing kaposiform hemangioendothelioma complicated by Kasabach-Merritt phenomenon (KHE with KMP) in pediatric patients. In this study, the low-dose regimen targets a sirolimus trough concentration of 4-8 ng/mL, while the standard high-dose regimen targets a trough concentration of 10-15 ng/mL. The main questions it aims to answer are:
Does the combination of low-dose sirolimus (target trough 4-8 ng/mL) and prednisolone achieve a noninferior objective response rate (including platelet count recovery and tumor volume reduction) compared to the high-dose sirolimus (target trough 10-15 ng/mL) and prednisolone combination at the primary endpoint evaluation? Does the low-dose sirolimus combination significantly reduce treatment-related toxicities and adverse events compared to the high-dose sirolimus combination?
Researchers will compare a low-dose sirolimus plus prednisolone arm to a standard high-dose sirolimus plus prednisolone arm to see if lowering the sirolimus dose within this combination regimen can maintain comparable therapeutic control over KMP while minimizing dose-dependent adverse effects.
Participants will:
Be randomized in a 1:1 ratio to receive either oral low-dose sirolimus combined with prednisolone (targeting a trough level of 4-8 ng/mL) or standard high-dose sirolimus combined with prednisolone (targeting a trough level of 10-15 ng/mL).
Undergo regular clinical evaluations, including physical examinations and serial blood tests to monitor peripheral platelet counts and sirolimus trough levels.
Receive routine imaging studies (such as MRI or ultrasound) to assess changes in tumor volume.
Be closely monitored throughout the study period for combination therapy-related side effects and systemic corticosteroid-associated adverse events.
Studietype
Inschrijving (Geschat)
Fase
- Fase 2
- Fase 3
Contacten en locaties
Studiecontact
- Naam: Yi Ji, PhD
- Telefoonnummer: 02885423453
- E-mail: jijiyuanyuan@163.com
Studie Contact Back-up
- Naam: Jiangyuan Zhou, MD
- E-mail: 13668491160@163.com
Studie Locaties
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Sichuan
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Chengdu, Sichuan, China, 610041
- Werving
- West China Hospital of Sichuan University
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Onderonderzoeker:
- Jiangyuan Zhou, MD
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Contact:
- Yi Ji, PhD
- Telefoonnummer: +862885423453
- E-mail: jijiyuanyuan@163.com
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Contact:
- Jiangyuan Zhou, MD
- E-mail: 13668491160@163.com
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Kind
- Volwassen
Accepteert gezonde vrijwilligers
Beschrijving
Inclusion Criteria:
Presenting a KHE with the following characteristics:
- Clinical features and histological findings consistent with progressive, non-resectable KHE associated with KMP.
- Patients must be 0 - 18 years of age at the time of study entry.
- Without functional impairment requiring treatment of corticosteroid.
Organ function requirements:
1 Adequate liver function:
- Total bilirubin less than or equal to 1.5 x upper limit of normal (ULN)for age, and
- ALT and AST less than or equal to 2.5 x upper limit normal (ULN) for age.
2 Adequate renal function:
- 0-5 years of age maximum serum creatinine (mg/dL) of 0.8
- 6-10 years of age maximum serum creatinine (mg/dL) of 1.0
- 11-15 years of age maximum serum creatinine (mg/dL) of 1.2
- 16-18 years of age maximum serum creatinine (mg/dL) of 1.5
- Adequate bone marrow function: Absolute Neutrophil Count (ANC) greater than or equal to 1 x 10 to the ninth/Liter.
- Consent of parents (or the person having parental authority in families): Signed and dated written informed consent.
Exclusion Criteria:
- Allergy to sirolimus or other rapamycin analogues.
- Any known evidence of significant local or systemic uncontrolled infection, defined as receiving intravenous antibiotics at the time of randomization.
- Patients must not be known to be Human Immunodeficiency Virus positive or known immunodeficiency. Testing is not required unless a condition is suspected.
- Other concurrent severe and/or uncontrolled medical disease which could compromise participation in the study (e.g. uncontrolled diabetes, uncontrolled hypertension, severe malnutrition, chronic liver or renal disease, active upper gastrointestinal tract ulceration).
- Impairment of gastrointestinal function or chronic gastrointestinal disease that may significantly alter the absorption of sirolimus.
- Patients who have a history of malignancy.
- Patients with an inability to participate or to follow the study treatment and assessment plan.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Enkel
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
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Experimenteel: Low-Dose Sirolimus Plus Prednisolone
Participants receive oral sirolimus with dose adjustments to maintain a target plasma trough concentration of 4-8 ng/mL, in combination with prednisolone, for a treatment duration of 12 months.
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Participants will receive oral sirolimus in combination with prednisolone.
Patients will be randomized in a 1:1 ratio to either a low-dose sirolimus group, with dose adjustments to maintain a target plasma trough concentration of 4-8 ng/mL, or a high-dose sirolimus group, with dose adjustments to maintain a target plasma trough concentration of 10-15 ng/mL.
Prednisolone will be administered according to the study protocol and tapered based on clinical response.
The total treatment duration will be 12 months.
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Actieve vergelijker: High-Dose Sirolimus Plus Prednisolone
Participants receive oral sirolimus with dose adjustments to maintain a target plasma trough concentration of 10-15 ng/mL, in combination with prednisolone, for a treatment duration of 12 months.
|
Participants will receive oral sirolimus in combination with prednisolone.
Patients will be randomized in a 1:1 ratio to either a low-dose sirolimus group, with dose adjustments to maintain a target plasma trough concentration of 4-8 ng/mL, or a high-dose sirolimus group, with dose adjustments to maintain a target plasma trough concentration of 10-15 ng/mL.
Prednisolone will be administered according to the study protocol and tapered based on clinical response.
The total treatment duration will be 12 months.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Proportion of Participants Achieving Platelet Count Recovery
Tijdsspanne: 2 months
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The proportion of participants who achieve platelet count recovery, defined as a platelet count ≥100 × 10⁹/L without platelet transfusion support, during the study period.
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2 months
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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De veranderingen in de symptomen en/of complicaties van de patiënt.
Tijdsspanne: 6 en 12 maanden
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Verbetering van het bewegingsbereik.
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6 en 12 maanden
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Frequentie van bijwerkingen
Tijdsspanne: 12 maanden
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Frequentie van bijwerkingen (bijv.
gastro-intestinale aandoeningen, bloed- en lymfestelselaandoeningen, stofwisselingsstoornissen of andere afwijkende laboratoriumuitslagen, huidaandoeningen en algemene aandoeningen etc.) verzameld door onderzoeker en gerapporteerd door ouders.
Alle bijwerkingen werden verzameld en beoordeeld volgens Common Terminology Criteria for Adverse Events, versie 4.0 (CTCAE v4.0).
De causaliteit van de bijwerking werd bepaald door het multidisciplinaire personeel en werd geclassificeerd als definitief niet gerelateerd, waarschijnlijk niet gerelateerd, mogelijk gerelateerd, waarschijnlijk gerelateerd of definitief gerelateerd.
Alle dosisverlagingen, onderbrekingen of stopzettingen die naar goeddunken van de onderzoekers werden uitgevoerd, werden geregistreerd.
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12 maanden
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Kwaliteit van leven (QOL) bij patiënten.
Tijdsspanne: 12 maanden
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Pediatric Quality of Life Inventory (PedsQLTM) 4.0 Genetic Core Infant Scales (
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12 maanden
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Proportion of Participants Achieving Fibrinogen Recovery
Tijdsspanne: 2 months
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The proportion of participants who achieve fibrinogen recovery, defined as a plasma fibrinogen level ≥1.6 g/L without replacement therapy, during the study period.
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2 months
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Change in D-Dimer Level From Baseline
Tijdsspanne: 2 months
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Change in plasma D-dimer level from baseline to the specified study assessment time point.
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2 months
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Change in KHE Tumor Volume From Baseline
Tijdsspanne: 6 and 12 months
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Response to therapy was measured by volumetric magnetic resonance imaging (MRI) analyses were performed at baseline and 6 and 12 months after treatment and were independently assessed by 2 radiologists.
Changes in KHE size were classified as further growth (increase of ≥10%), no change (<10% increase and <10% decrease), partial involution (decrease of ≥10% and <75%), nearly complete involution (decrease of ≥75% and <100%), or complete involution (100%).
Photographs of the mixed KHE were taken at months 0, 6 and 12 by a medical photographer.
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6 and 12 months
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Medewerkers en onderzoekers
Sponsor
Onderzoekers
- Studie stoel: Yi Ji, West China Hospital
- Hoofdonderzoeker: Jiangyuan Zhou, MD, West China Hospital
Publicaties en nuttige links
Algemene publicaties
- Ji Y, Chen S, Yang K, Xia C, Li L. Kaposiform hemangioendothelioma: current knowledge and future perspectives. Orphanet J Rare Dis. 2020 Feb 3;15(1):39. doi: 10.1186/s13023-020-1320-1.
- Ji Y, Chen S, Xiang B, Li K, Xu Z, Yao W, Lu G, Liu X, Xia C, Wang Q, Li Y, Wang C, Yang K, Yang G, Tang X, Xu T, Wu H. Sirolimus for the treatment of progressive kaposiform hemangioendothelioma: A multicenter retrospective study. Int J Cancer. 2017 Aug 15;141(4):848-855. doi: 10.1002/ijc.30775. Epub 2017 May 26.
- Wang Z, Yao W, Sun H, Dong K, Ma Y, Chen L, Zheng S, Li K. Sirolimus therapy for kaposiform hemangioendothelioma with long-term follow-up. J Dermatol. 2019 Nov;46(11):956-961. doi: 10.1111/1346-8138.15076. Epub 2019 Sep 5.
- Croteau SE, Liang MG, Kozakewich HP, Alomari AI, Fishman SJ, Mulliken JB, Trenor CC 3rd. Kaposiform hemangioendothelioma: atypical features and risks of Kasabach-Merritt phenomenon in 107 referrals. J Pediatr. 2013 Jan;162(1):142-7. doi: 10.1016/j.jpeds.2012.06.044. Epub 2012 Aug 4.
- Rossler J, Baselga E, Davila V, Celis V, Diociaiuti A, El Hachem M, Mestre S, Haeberli D, Prokop A, Hanke C, Loichinger W, Quere I, Baumgartner I, Niemeyer CM, Kapp FG. Severe adverse events during sirolimus "off-label" therapy for vascular anomalies. Pediatr Blood Cancer. 2021 Aug;68(8):e28936. doi: 10.1002/pbc.28936. Epub 2021 Feb 13.
- Ji Y, Chen S, Zhou J, Yang K, Zhang X, Xiang B, Qiu T, Gong X, Zhang Z, Lan Y, Hu F, Kong F, Qiu Q, Zhang Y. Sirolimus plus prednisolone vs sirolimus monotherapy for kaposiform hemangioendothelioma: a randomized clinical trial. Blood. 2022 Mar 17;139(11):1619-1630. doi: 10.1182/blood.2021014027.
- Lauven PM, Schwilden H, Stoeckel H. Threshold hypnotic concentration of methohexitone. Eur J Clin Pharmacol. 1987;33(3):261-5. doi: 10.1007/BF00637559.
- Ji Y, Chen S, Yang K, Zhou J, Zhang X, Jiang X, Xu X, Lu G, Qiu L, Kong F, Zhang Y. A prospective multicenter study of sirolimus for complicated vascular anomalies. J Vasc Surg. 2021 Nov;74(5):1673-1681.e3. doi: 10.1016/j.jvs.2021.04.071. Epub 2021 May 31.
- Wada Y, Iijima K, Yonezawa T. [The effects of nitroglycerin induced hypotension on the tissue blood flow in dogs under halothane anesthesia]. Masui. 1985 Sep;34(9):1208-15. No abstract available. Japanese.
- Zhou J, Yang K, Dai S, Qiu T, Zhang X, Gong X, Chen S, Ji Y. Clinical features and management of kaposiform hemangioendothelioma and tufted angioma: Similarities and differences. J Am Acad Dermatol. 2022 Jul;87(1):172-174. doi: 10.1016/j.jaad.2021.07.012. Epub 2021 Jul 14. No abstract available.
- Zhou J, Qiu T, Zhang Z, Lan Y, Huo R, Xiang B, Chen S, Qiu L, Xia C, Xu X, Li J, Ma Y, Yao W, Wang Z, Dong C, Qin Z, Tai M, Guo L, He X, Gu S, Li L, Hou F, Cai Y, Wang H, Wang J, Jiang X, Zheng J, Li K, Ji Y. Consensus statement for the diagnosis, treatment, and prognosis of kaposiform hemangioendothelioma. Int J Cancer. 2025 May 15;156(10):1986-1994. doi: 10.1002/ijc.35344. Epub 2025 Jan 20.
- Zhou J, Lan Y, Qiu T, Zhang Z, Gong X, Zhang X, Yang C, Zhou Z, Zhang Y, Yang M, Fu J, He C, Peng Q, Hu F, Xia C, Kong F, Chen S, Ji Y. Efficacy and safety of high-vs low-dose sirolimus in patients with kaposiform hemangioendothelioma: A randomized clinical trial. J Am Acad Dermatol. 2025 Jul;93(1):124-131. doi: 10.1016/j.jaad.2025.03.023. Epub 2025 Mar 17.
- Zhou J, Ji Y. Kaposiform hemangioendothelioma. J Am Acad Dermatol. 2026 Mar 12:S0190-9622(26)00396-8. doi: 10.1016/j.jaad.2026.03.020. Online ahead of print. No abstract available.
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Studieregistratiedata
Eerst ingediend
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Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- RCT20260615
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