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Snake Bites clinical trials

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NCT ID: NCT05954806 Completed - Clinical trials for Envenomation, Snakebite

Clinical Profile and Antivenom Use in Hump-nosed Pit Viper Bites in Kerala, South India: A Review.

Start date: March 12, 2022
Phase:
Study type: Observational

Several controversies exist in Hypnale bite management in Kerala. Even though leading bodies like WHO recommend against using antivenom for hypnale bites, many physicians still administer antivenom for snakebites even when the culprit snake is identified. Anecdotal experience suggests that the reasons for doing so range from lack of confidence in the identification of the snake, confusion as to whether or not to approach it syndromically and symptomatically rather than relying on the species identification, doubts as to whether there exists para-specific neutralization capability for the available polyvalent antivenom and fear of medicolegal culpability in denying antivenom in a case of 'snake envenomation'. To date, these domains and rationale have not been studied. It is also to be kept in mind that the evidence behind the WHO recommendation against the use of antivenom in Hypnale is based on expert opinion and case reports. The investigators intend to compare clinical manifestation and outcome amongst Hypnale hypnale bite patients who received the polyvalent antivenom to those who did not. The investigators also intend to describe the clinical and laboratorical profile of patients with Hypnale hypnale envenomation .

NCT ID: NCT04996264 Completed - Envenoming, Snake Clinical Trials

Broad-spectrum Rapid Antidote: Varespladib Oral for Snakebite

BRAVO
Start date: August 15, 2021
Phase: Phase 2
Study type: Interventional

This is a multicenter, randomized, double-blind, placebo-controlled, phase 2 study designed to evaluate the safety, tolerability and efficacy of varespladib-methyl, concurrently with standard of care (SOC), in subjects bitten by venomous snakes.

NCT ID: NCT04520282 Completed - Snake Bites Clinical Trials

Hemostatic Variables In Snakebite Study

HISS
Start date: March 15, 2022
Phase:
Study type: Observational

Background Novelty The global assays of coagulation, namely the viscoelastometric tests and clot waveform has never been studied in detail before in snakebite victims. The pathophysiology of VICC including specific factor deficiencies and serial trend in blood cell indices amongst various hematotoxic snakebite in the region is not known. No Indian study to date has systematically examined the changes in early laboratory tests results in envenomed and non envenomed snakebite victims.

NCT ID: NCT04470791 Completed - Snake Bites Clinical Trials

Cryotherapy as a Coadjuvant in Crotaline Snakebite Management With Antivenom.

Start date: January 1, 2015
Phase: N/A
Study type: Interventional

The study aimed to determine the effect of local cryotherapy as a coadjuvant in patients with snakebite treated with F(ab')2 therapy venom at the Hospital Juárez de Mexico.

NCT ID: NCT03890016 Completed - Snake Bites Clinical Trials

Study Comparing Modified Lee White Clotting Time Against Twenty Minute Whole Blood Clotting Test in Snakebite Victims

LAT
Start date: May 1, 2019
Phase:
Study type: Observational

20 minute Whole Blood Clotting Test(20'WBCT) recommended by World Health Organisation guidelines is probably the most routinely employed bed side screening tool in the country. The Modified Lee and White (MLW) method gives a value which when performed serially gives a trend in clotting time which the investigators hypothesise to be a better tool in serially assessing the victim compared to the 20'WBCT. The investigators propose that delayed reading of both MLW and 20'WBCT to check for clot stability at 30 minutes also provides added information in management of snake bite victims.

NCT ID: NCT03859154 Completed - Snakebite Clinical Trials

Waveform Analysis In Snakebite Victims With Hematotoxicity

WISH
Start date: March 1, 2022
Phase:
Study type: Observational

In hematotoxic snakebites, due to the lack of a better alternative, 20 minute whole blood clotting test (20'WBCT) or Clotting time remains the standard test in developing countries even though its reliability and sensitivity has been shown to be low. Activated partial thromboplastin time (aPTT) based Clot Waveform Analysis (CWA) is an optic absorbance assay that can be used as a global clotting test. It essentially detects the change in colour of the plasma as coagulation progresses and quantifies the change in the form of a waveform. In this study, the investigators intend to study prospectively the behaviour of clot wave (CW) in hematotoxic bites. A pilot observational study was initially conducted (IEC Ref No. 42/16/IEC/JMMC and RI) and CWA showed changes which provided information earlier than the conventional coagulation studies in the snakebite victims studied. While aPTT or WBCT reflects clotting time, CWA conveys the dynamic process of clot formation. CWA may reveal disorders of clotting in snakebite victims before the conventional tests become abnormal. Here the investigators aim to study the changes in CWA in snakebite victims who develop coagulation disorders in blood

NCT ID: NCT03326492 Completed - Snake Bites Clinical Trials

Evaluation of Anti-venoms Serum in Africa

ESAA
Start date: October 17, 2019
Phase:
Study type: Observational

There is little or no assessment under real-use conditions of the efficacy and the tolerance in the short, medium and long term of the antivenoms currently on the market and used in the treatment of snake bites. The main objective is to assess the short term tolerance (< 2 hours post-injection) of the antivenom Inoserp Pan-Africa® (temporary market authorization) from Inosan laboratory currently available in Cameroon.

NCT ID: NCT02877498 Completed - Clinical trials for Invasive Mechanical Ventilation

A Study to Compare Adaptive Support Ventilation vs. Volume Controlled Ventilation for Management of Respiratory Failure in Patients With Neuroparalytic Snake Envenomation

ASV vs VCV in
Start date: December 2016
Phase: N/A
Study type: Interventional

Neuroparalytic snake envenomation results in severe muscle weakness and respiratory failure. Treatment requires administration of anti-snake venom and supportive care in the form of invasive mechanical ventilation. Whether using adaptive support ventilation (a closed loop mode of ventilation) in comparison to volume controlled ventilation will shorten the duration of ventilation remains undetermined. The current study is planned to compare adaptive support ventilation (ASV) mode of ventilation versus volume controlled ventilation (VCV) during invasive mechanical ventilation for the management of respiratory failure secondary to neuroparalytic snake envenomation.

NCT ID: NCT01864200 Completed - Snake Bites Clinical Trials

Randomized, Double-Blind, Placebo-Controlled Study: CroFab® vs Placebo for Copperhead Snake Envenomation

Copperhead
Start date: July 2013
Phase: Phase 4
Study type: Interventional

This study will evaluate the recovery from copperhead snake bite in patients with mild or moderate venom effect. Potential subjects received CroFab antivenom or placebo. After blinded treatment and discharge, the subject returns to the clinic for follow-up assessments at day 3, 7, 14, and 28 after snake bite as well as follow-up telephone assessments on day 10, 17, and 24 after snake bite. The purpose of this study is to compare recovery in copperhead snake bite patients treated with antivenom vs placebo (no active drug) as measured by the Patient Specific Functional Scale (PSFS) at Day 14 follow-up. The primary efficacy endpoint of this study was achieved.

NCT ID: NCT01651299 Completed - Clinical trials for Copperhead Snake Envenomation

Copperhead Envenomation Observational Study

Start date: July 2012
Phase: N/A
Study type: Observational

The primary objective of the study is to evaluate the responsiveness and utility of several clinical outcome assessments in the setting of copperhead snakebite. The secondary objective is to characterize the clinical course of signs, symptoms and impairment during the recovery phase of copperhead snakebite.