Hetrombopag for Thrombocytopenia in Patients Scheduled for Elective Hepatic Interventional Diagnostic and Therapeutic Procedures: A Clinical Study
2 november 2026 uppdaterad av: Gao-jun Teng, Zhongda Hospital
A Clinical Study to Evaluate the Efficacy and Safety of Hetrombopag in the Treatment of Thrombocytopenia in Patients Undergoing Elective Hepatic Interventional Diagnostic and Therapeutic Procedures
This is a prospective, multicenter, open-label, randomized controlled clinical study. It includes three phases: screening period, treatment period and follow-up period. A total of 108 adult patients with thrombocytopenia (PLT < 50×10⁹/L) scheduled for elective hepatic interventional procedures will be enrolled.
Studieöversikt
Status
Har inte rekryterat ännu
Betingelser
Intervention / Behandling
Studietyp
Interventionell
Inskrivning (Beräknad)
108
Fas
- Fas 3
Kontakter och platser
Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.
Studiekontakt
- Namn: Gao-Jun Teng
- Telefonnummer: +86-02583272121
- E-post: gjteng@vip.sina.com
Deltagandekriterier
Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.
Urvalskriterier
Åldrar som är berättigade till studier
18 år och äldre (Vuxen, Äldre vuxen)
Tar emot friska volontärer
Nej
Kön som är behöriga för studier
Allt
Beskrivning
Inclusion Criteria:
- Patients aged ≥ 18 years
- Child-Pugh class A or B
- Baseline platelet count (PLT) < 50 × 10⁹/L
- Scheduled for elective liver interventional procedures meeting the following criteria: performed between Day 7 and Day 15 after enrollment, including mainly transvascular interventional procedures (TACE/HAIC ± systemic anti-tumor therapy, TAE, Yttrium-90 radioembolization, TIPS, PTVE, etc.) and percutaneous non-vascular interventional procedures (RFA, MWA, cryoablation, liver biopsy, etc.)
- ECOG performance status 0 or 1
- Female subjects of childbearing potential must have a negative serum pregnancy test within 7 days prior to the first dose, not be breastfeeding, and must agree to use effective contraception throughout the study period and for 7 days after the last dose of study drug
- Voluntarily participating in this study, providing signed informed consent, and having good compliance
Exclusion Criteria:
- Presence of other diseases that may cause thrombocytopenia, including but not limited to: aplastic anemia, myelodysplastic syndromes, chronic myeloproliferative neoplasms, congenital thrombocytopenia, drug-induced thrombocytopenia, immune thrombocytopenia, thrombocytopenia secondary to rheumatic immune diseases, etc.
- Previous or current arterial or venous thrombosis, including partial or complete thrombosis
- History of portal vein thrombosis and/or main portal vein tumor thrombus; and/or evidence of portal vein thrombosis on ultrasound, CT, or MRI during screening; and/or absence of hepatopetal portal venous flow on Doppler ultrasound; and/or portal venous flow velocity < 10 cm/s
- Scheduled for open abdominal surgery such as hepatectomy or liver transplantation
- Received platelet-increasing procedures within 90 days prior to randomization, including partial splenic artery embolization, splenic radiofrequency/microwave ablation, high-intensity focused ultrasound (HIFU) of the spleen, three-dimensional conformal therapy of the spleen, etc.
- Previous history of liver transplantation or splenectomy
- At screening, any of the following: significant liver function abnormality with ALT/AST >3×ULN or TBL >2×ULN; hepatic encephalopathy with Child-Pugh hepatic encephalopathy score of 3 (occasional coma), irrespective of hepatic encephalopathy treatment; medication-refractory ascites
- Bleeding score ≥ grade 2 according to the WHO bleeding scale prior to randomization, or history or evidence of diseases with bleeding risk
- Received platelet transfusion or platelet-containing blood products (excluding red blood cells) within 3 days prior to randomization
- Received any of the following medications within 14 days prior to randomization: TPO (e.g., rhTPO), other TPO-RA agents, recombinant human interleukin-11 (IL-11), etc.
- Any other condition deemed unsuitable for inclusion in the study by the investigator
Studieplan
Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Behandling
- Tilldelning: Randomiserad
- Interventionsmodell: Parallellt uppdrag
- Maskning: Ingen (Open Label)
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
|---|---|
|
Experimentell: Experimental arm (N=72)
Hetrombopag 10 mg once daily for 5 consecutive days. |
Hetrombopag 10 mg orally once daily for 5 consecutive days |
|
Placebo-jämförare: Control arm (N=36)
|
Placebo 10 mg orally once daily for 5 consecutive days. |
Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
The proportion of participants with PLT ≥50×10⁹/L at 24 hours preoperatively and no rescue bleeding treatment within 7 days postoperatively.
Tidsram: Perioperative, up to postoperative Day 7
|
The primary endpoint is the percentage of subjects who achieve platelet count ≥50×10⁹/L within 24 hours before operation and do not receive rescue treatment for bleeding during the first 7 days after surgery. |
Perioperative, up to postoperative Day 7
|
Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
The proportion of participants with PLT ≥50×10⁹/L at 24 hours preoperatively.
Tidsram: Within 24 hours before surgery
|
The percentage of subjects whose platelet count reaches ≥50×10⁹/L within 24 hours before surgery. |
Within 24 hours before surgery
|
|
The proportion of participants with an increase in PLT ≥20×10⁹/L from baseline at 24 hours preoperatively.
Tidsram: Baseline and within 24 hours before surge
|
The percentage of subjects with platelet count elevation of at least 20×10⁹/L compared with baseline at 24 hours before surgery. |
Baseline and within 24 hours before surge
|
|
The proportion of participants without platelet transfusion during the study period.
Tidsram: Through study completion, an average of 35 days
|
The percentage of subjects who do not receive any platelet transfusion throughout the study. |
Through study completion, an average of 35 days
|
|
Duration of platelet count maintaining PLT ≥50×10⁹/L.
Tidsram: Through study completion, an average of 35 days
|
The length of time that platelet count remains at or above 50×10⁹/L. |
Through study completion, an average of 35 days
|
|
Change in platelet count at different visit time points.
Tidsram: Baseline and at all scheduled study visits through study completion, an average of 35 days
|
The change from baseline in platelet count assessed at each scheduled study visit. |
Baseline and at all scheduled study visits through study completion, an average of 35 days
|
|
The proportion of participants without delay, cancellation or discontinuation of systemic anti-tumor therapy due to thrombocytopenia.
Tidsram: Through study completion, an average of 35 days
|
The percentage of subjects whose systemic anti-tumor therapy is not delayed, cancelled or discontinued because of thrombocytopenia. |
Through study completion, an average of 35 days
|
|
The proportion of participants requiring rescue treatment for bleeding.
Tidsram: Through study completion, an average of 35 days
|
The percentage of subjects who receive rescue therapy for bleeding events. |
Through study completion, an average of 35 days
|
|
Number and dose of platelet transfusions.
Tidsram: Through study completion, an average of 35 days
|
The total number and administered dose of platelet transfusions received by subjects during the study. |
Through study completion, an average of 35 days
|
|
Number of participants with at least one treatment-related adverse event, clinically significant laboratory abnormality or vital sign abnormality assessed by CTCAE v5.0
Tidsram: Through study completion, an average of 35 days
|
The count of subjects who develop at least one treatment-related adverse event, clinically significant laboratory abnormality or abnormal vital sign. |
Through study completion, an average of 35 days
|
Samarbetspartners och utredare
Det är här du hittar personer och organisationer som är involverade i denna studie.
Sponsor
Utredare
- Huvudutredare: Gao-jun Teng, Zhongda hospital, Southeast university, Nanjing, China
Studieavstämningsdatum
Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.
Studera stora datum
Studiestart (Beräknad)
15 oktober 2026
Primärt slutförande (Beräknad)
15 september 2027
Avslutad studie (Beräknad)
30 augusti 2028
Studieregistreringsdatum
Först inskickad
13 oktober 2026
Först inskickad som uppfyllde QC-kriterierna
2 november 2026
Första postat (Faktisk)
9 november 2026
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
9 november 2026
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
2 november 2026
Senast verifierad
1 oktober 2026
Mer information
Termer relaterade till denna studie
Nyckelord
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
- 2026ZDSYLL341-Y01
Plan för individuella deltagardata (IPD)
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NEJ
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