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Clinical Trial Summary

Haemorrhoids are the most common proctologic disease, affecting up to 36% of people in the developed world. Sclerotherapy is defined as the injection of sclerosing agents at the apex of the internal hemorrhoidal complex, above the dentate line, leading to scarring, fibrosis, and fixation of the hemorrhoids. Sclerotherapy as a treatment of internal hemorrhoids has been used for a long time by surgeons, using proctoscopic exposure. Even though flexible instruments can be expected to have better manoeuvrability and target site exposure. There is no consensus amongst the major guidelines as to which grade of haemorrhoid that sclerotherapy should be used, whether it is equivalent or inferior to rubber bad ligation (RBL), whether sclerotherapy should be used at all for the treatment of IH, what is the effect of PHT on hemorrhoid prevalence and propensity to bleed, differentiation of internal hemorrhoids from rectal varices, data on EBL or EST in cirrhotics with hemorrhoids, safety of endotherapy with underlying coagulopathy and concerns for infectious complications.


Clinical Trial Description

Hypothesis :- Polidocanol foam sclerotherapy is more effective than liquid polidocanol sclerotherapy, for bleeding cessation from internal hemorrhoids in cirrhotic patients. Aim and Objective - To compare flexible endoscopic polidocanol liquid and foam sclerotherapy in cirrhotic patients with bleeding from internal hemorrhoids Primary objective: No recurrence of hemorrhoidal bleeding episodes at 1-week after endotherapy Secondary objectives: 1. Ano-rectal bleeding at 4-wks, defined by Giamundo score. [Ordinal score 0-4] 2. Ano-rectal bleeding at 8-wks, defined by Giamundo score. [Ordinal score 0-4] 3. Proportion of patients requiring a 2nd treatment session within 8-wks. [Indications: Giamundo score >3, or hemoglobin drop >1g/dL, or requirement of transfusion, or clinician discretion; Time frame: 8-weeks] 4. Proportion of patients with failed endotherapy. [Persistent bleeding with Giamundo score >3 from internal hemorrhoids or treatment related ulcers, after 2nd endotherapy session; Time frame: 8-weeks] 5. Proportion of patients requiring BT for hemorrhoidal bleeding within 8 wks. 6. Relationship of MELD score (4-40) with no recurrence of bleeding at 7d. 7. Adverse events/ local infectious complications after endotherapy. [Time frame: 8-wks] 8. Proportion of cirrhotic patients with bleeding hemorrhoids, with coexisting rectal varices and/or portal colopathy. Methodology: - Study population: Patients with cirrhosis, attending outpatient clinics or admitted, with ano-rectal bleeding suspicious to be hemorrhoidal in origin. Investigator will include both compensated and decompensated (acute or chronic) cirrhotics with anorectal bleed, and patients with ACLF with ano rect1al bleed. Study design: Open label, parallel group, randomized, controlled study. - Study period: 1 year after IEC approval. - Sample size with justification: Treatment success at 1-wk, after one liquid sclerotherapy session is expected in 50% cirrhotics.Treatment success after one session of foam sclerotherapy is expected in 85% cirrhotics. Assuming efficacy difference of 35%, significance (α) at 0.5, power of 80%, the two groups should include 27 patients each (Total 54). To compensate for dropouts, final sample size of 60 patients. - Intervention: - Cap-assisted, flexible endoscopic treatment in both groups. - Group 1: Sclerotherapy with 1.5% polidocanol. 2mL (3%) polidocanol = 60mg; maximal dose: 1mL/column and 4mL/session. - Group 2: Foam sclerotherapy. Tessari's technique; 4mL 3% poilidocanol +16mL air; maximal dose: 2mL/column and 20mL/session. - Monitoring and assessment: - Time of index procedure will be considered as baseline (T0). There will be three scheduled evaluation time points: At 1 week (T1), 4 weeks (T2), and at 8 weeks (T3). - The degree of bleeding, prolapse, pain, quality of life, and patient satisfaction will be recorded at each visit. - Statistical Analysis: The results will be reported as counts and percentages for categorical variables, and as mean ± SD (range) for continuous normally distributed variables and median (interquartile range [IQR]) for ordinal categorical variables and for continuous non-normally distributed variables. The chi-square test will be used for cross-tabulations. Continuous variables will be compared between the groups by using the Student's t test or the Mann-Whitney test, depending on the data distribution.The time to recurrence will be evaluated as the time elapsed from treatment success to the relapse of bleeding (at least 2 for the Giamundo bleeding score). Kaplan-Meier curves will be used to evaluate freedom from recurrence; statistical comparison of survival curves will be carried out by the log-rank test.The changes in the Giamundo score, and HDSS scores over time will be analyzed with the Friedman test, because these scores are not normally distributed. The results associated with a p-value <0.05 will be considered statistically significant. - Adverse effects: - The AEs will be classified as none, remote, possible, probable, or not assessable based on the relation with the sclerosant. - Specific AEs to report:- 1. Bleeding requiring Blood Tx, with hemodynamic instability or need for urgent surgery 2. External thrombosis requiring surgical intervention 3. Occurrence of urinary retention 4. Prostatic infection 5. Sexual dysfunction in men 6. Perineal abscess 7. Sepsis - Stopping rule of study: - Study will be stopped in case of life-threatening adverse event judged to be related to the protocol intervention at department review meeting. (c) Expected outcome of the project: - Establishment of an effective treatment protocol for hemorrhoidal bleeding in cirrhotic patients. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06031740
Study type Interventional
Source Institute of Liver and Biliary Sciences, India
Contact Dr Srajit Singh, MD
Phone 01146300000
Email srajitsinghparmar@gmail.com
Status Not yet recruiting
Phase N/A
Start date September 7, 2023
Completion date August 31, 2024

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