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Gastric Antral Vascular Ectasia (GAVE) is an erosive form of gastritis distinguished by veno-capillary ectasia, which manifests as tortuous columns of dilated vessels. Histologically, these vessels show dilated mucosal capillaries filled with fibrin thrombi, accompanied by fibromuscular hyperplasia and spindle cell proliferation of the lamina propria. GAVE is prevalent in about 12% of patients with cirrhosis, with 60-70% of these patients becoming transfusion-dependent due to severe anaemia caused by GAVE related bleeding. The most commonly used treatment for GAVE is endoscopic therapy using Argon Plasma Coagulation (APC), which, while effective, often requires multiple sessions due to a high recurrence rate of 30-60%. These frequent interventions increase the burden on patients and healthcare systems. As a result, alternative treatments have been sought. Thalidomide, known for its potent antiangiogenic properties, significantly lowers vascular endothelial growth factor (VEGF) levels, offering a promising non-invasive treatment option. Early studies, such as those by GarcÃa-Pagán have demonstrated thalidomide's effectiveness in reducing transfusion requirements and managing bleeding in cirrhotic patients with GAVE, yet its comprehensive efficacy and safety profile remains under-studied. This project aims to rigorously evaluate the efficacy and safety of thalidomide compared to APC in managing GAVE-related anemia in cirrhotic patients. Through a controlled trial, this study will provide vital data to potentially shift treatment paradigms, enhance patient quality of life, and reduce the need for repetitive invasive procedures.
Aim: To evaluate and compare the efficacy and safety of thalidomide with argon plasma coagulation (APC) in managing gastric antral vascular ectasia (GAVE)-related anaemia in patients with cirrhosis.
Hypothesis: Thalidomide, due to its antiangiogenic effects, will more effectively reduce GAVE-related bleeding, improve haemoglobin levels, and decrease transfusion dependency compared to APC in patients with cirrhosis and GAVE-related anaemia.
Study Design:
Single-centre, open-label, randomised controlled trial to compare the efficacy and safety of thalidomide versus argon plasma coagulation (APC) in managing GAVE-related anaemia in cirrhotic patients.
Study Population:
Adult patients (aged 18-65 years) diagnosed with cirrhosis and endoscopically confirmed GAVE-related anaemia, presenting at the Institute of Liver and Biliary Sciences.
Randomization: Patients will be randomly assigned to receive either thalidomide or APC in a 1:1 ratio by block randomization method with block size of 10 and it will be implemented by using ILBS IWRS facility.
Follow-up and Assessments:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Thalidomide Group | Experimental | Patients will receive oral thalidomide starting at 50 mg daily, with a weekly increase of 50 mg up to a maximum of 200 mg daily, continued for four months. |
|
| APC Group | Active Comparator | Patients will undergo APC treatment every 2-3 weeks initially, followed by maintenance sessions every three months as required. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Thalidomide | Drug | Patients will receive oral thalidomide starting at 50 mg daily, with a weekly increase of 50 mg up to a maximum of 200 mg daily, continued for four months |
|
| Measure | Description | Time Frame |
|---|---|---|
| Mean increase in hemoglobin levels from baseline | 4 months |
| Measure | Description | Time Frame |
|---|---|---|
| Atleast 50 percent change in requirement of PRBCs transfusions at the end of 4 months | 4 months | |
| Increase in serum iron levels, percent transferrin saturation at the end of 4months | 4 months | |
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Inclusion Criteria:
Adult patients (aged ≥18 - 65years)
Cirrhosis
Endoscopically confirmed diagnosis of GAVE
Ability to provide informed consent
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Dr Aakula Suguna Sree, MD | Contact | 01146300000 | sugunasreeaakula@gmail.com | |
| Dr Babu Lal Meena, DM | Contact | 01146300000 | drbabupgi@gmail.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Institute of Liver & Biliary Sciences (ILBS) | New Delhi | National Capital Territory of Delhi | 110070 | India |
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| Argon Plasma Coagulation | Procedure | Patients will undergo APC treatment every 2-3 weeks initially, followed by maintenance sessions every three months as required. |
|
| Change in amount of PRBC's transfused at the end of 4 months. |
| 4 months |
| Change in GAVE related bleeding episodes at the end of 4 months | 4 months |
| Number of hospitalizations due to GAVE related anemia, in 4 months | 4 months |
| Duration of days of hospitalization due to GAVE related anemia in 4 months | 4 months |
| Need of rescue endoscopic sessions in 4 months in thalidomide group | 4 months |
| Endoscopic resolution of GAVE at the end of 4 months | Endoscopic resolution is defined as endoscopic findings of GAVE as absent. | 4 months |
| Change in VEGF levels in Thalidomide group at the end of 4 months | 4 months |
| Change in pepsinogen levels in Thalidomide group at the end of 4 months | 4 months |
| Change in gastrin levels in Thalidomide group at the end of 4 months | 4 months |
| Adverse events in each group at the end of 4 months | 4 months |
| Quality of life measures - Short Form 36 | Quality of life measures - Short Form 36 ranges from 0 to 100, 0 indicate maximum disability and 100 indicate no disability. | 4 months |
| ID | Term |
|---|---|
| D008103 | Liver Cirrhosis |
| D020252 | Gastric Antral Vascular Ectasia |
| ID | Term |
|---|---|
| D008107 | Liver Diseases |
| D004066 | Digestive System Diseases |
| D005355 | Fibrosis |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D013272 | Stomach Diseases |
| D005767 | Gastrointestinal Diseases |
| D016888 | Angiodysplasia |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
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| ID | Term |
|---|---|
| D013792 | Thalidomide |
| D057908 | Argon Plasma Coagulation |
| ID | Term |
|---|---|
| D010797 | Phthalimides |
| D010795 | Phthalic Acids |
| D000146 | Acids, Carbocyclic |
| D002264 | Carboxylic Acids |
| D009930 | Organic Chemicals |
| D010881 | Piperidones |
| D010880 | Piperidines |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D006571 | Heterocyclic Compounds |
| D054833 | Isoindoles |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D004564 | Electrocoagulation |
| D002425 | Cautery |
| D013812 | Therapeutics |
| D006489 | Hemostatic Techniques |
| D055011 | Ablation Techniques |
| D013514 | Surgical Procedures, Operative |
| D006488 | Hemostasis, Surgical |
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