- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03014167
Field Studies on the Feasibility of Interrupting the Transmission of Soil-transmitted Helminths (STH)
February 5, 2024 updated by: Judd Walson, University of Washington
Field Studies on the Feasibility of Interrupting the Transmission of Soil-transmitted Helminths (STH) DeWorm3 Project
Over 1.5 billion people are infected with soil-transmitted helminths (STH).
Global STH guidelines recommend MDA (mass drug administration) of albendazole or mebendazole to targeted populations, including pre-school age children and school-age children.
However mathematical models suggests that current MDA strategies are not sufficient for interrupting disease transmission in most areas.
Meanwhile many lymphatic filariasis (LF) programs have successfully treated entire populations with albendazole (in combination with ivermectin or diethylcarbamazine) and are transitioning to a state of post-MDA surveillance.
This project will conduct a series of community-based cluster randomized trials in India, Malawi, and Benin to determine if maintaining three years of MDA with albendazole to entire communities following the cessation of LF programs can interrupt STH transmission in focal geographic areas.
Additionally, this study aims to compare the efficacy of community-wide MDA versus targeted MDA of children in interrupting the transmission of STH.
Nested implementation science research will be used to optimize the intervention, identify contextual factors influencing trial efficacy, and evaluate the feasibility of sustaining and scaling community-wide MDA for STH.
These data will provide evidence necessary to inform future guidelines, policies, and operational plans as country partners engage in intensified approaches to eliminate these disabling diseases.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
502363
Phase
- Phase 3
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Judd L Walson, MD, MPH
- Phone Number: 43695 206-744-3695
- Email: walson@uw.edu
Study Contact Backup
- Name: Arianna Means, PhD, MPH
- Email: aerubin@uw.edu
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
4 months and older (Child, Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Description
Treatment Inclusion Criteria:
- Ages 12 months and older
Treatment Exclusion Criteria:
- Children under 12 months of age
- Pregnant women in their first trimester
- History of adverse reaction to benzimidazoles
Outcome Sampling Inclusion Criteria:
- Resident of study clusters
- Ages 12 months and older
- Willingness of adult aged 18 years and above (or age as per country specific ethical guidelines) or parent/guardian of child to provide written informed consent
- Provision of written assent to participate from children aged 8 years and above (or age as per country specific ethical guidelines)
Outcome Sampling Exclusion Criteria:
- Less than 12 months of age
- Individuals who do not typically reside in the study cluster
- Nonconsenting or assenting individuals, as applicable
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Community-wide deworming
Twice-yearly community-wide treatment delivered by drug distributors door to door or via community gatherings, depending upon the format of the prior LF program, for three years.
All individuals above the age of 12 months will receive a single dose of albendazole.
|
All eligible individuals will receive a single dose of 400 mg albendazole.
Other Names:
|
Active Comparator: Targeted deworming
Pre-school (pre-SAC) and school-age children (SAC) 12 months of age and older will receive albendazole delivered in accordance with national Ministry of Health guidelines for three years.
|
All eligible individuals will receive a single dose of 400 mg albendazole.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
STH transmission interruption
Time Frame: 5 years (Three years of drug administration and two years of surveillance)
|
Prevalence of STH infection ≤2% 24 months following the final round of mass drug administration with albendazole
|
5 years (Three years of drug administration and two years of surveillance)
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Judd L Walson, MD, MPH, University of Washington, Departments of Global Health, Medicine (Infectious Disease), Pediatrics and Epidemiology
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Morozoff C, Avokpaho E, Puthupalayam Kaliappan S, Simwanza J, Gideon SP, Lungu W, Houngbegnon P, Galactionova K, Sahu M, Kalua K, Luty AJF, Ibikounle M, Bailey R, Pullan R, Ajjampur SSR, Walson J, Means AR. Costs of community-wide mass drug administration and school-based deworming for soil-transmitted helminths: evidence from a randomised controlled trial in Benin, India and Malawi. BMJ Open. 2022 Jul 8;12(7):e059565. doi: 10.1136/bmjopen-2021-059565.
- Avokpaho E, Lawrence S, Roll A, Titus A, Jacob Y, Puthupalayam Kaliappan S, Gwayi-Chore MC, Chabi F, Togbevi CI, Elijan AB, Nindi P, Walson JL, Ajjampur SSR, Ibikounle M, Kalua K, Aruldas K, Means AR. It depends on how you tell: a qualitative diagnostic analysis of the implementation climate for community-wide mass drug administration for soil-transmitted helminth. BMJ Open. 2022 Jun 14;12(6):e061682. doi: 10.1136/bmjopen-2022-061682.
- Avokpaho EFGA, Houngbegnon P, Accrombessi M, Atindegla E, Yard E, Rubin Means A, Kennedy DS, Littlewood DTJ, Garcia A, Massougbodji A, Galagan SR, Walson JL, Cottrell G, Ibikounle M, Asbjornsdottir KH, Luty AJF. Factors associated with soil-transmitted helminths infection in Benin: Findings from the DeWorm3 study. PLoS Negl Trop Dis. 2021 Aug 17;15(8):e0009646. doi: 10.1371/journal.pntd.0009646. eCollection 2021 Aug.
- Means AR, Orlan E, Gwayi-Chore MC, Titus A, Kaliappan SP, Togbevi CI, Chabi F, Halliday KE, Nindi P, Avokpaho E, Kalua K, Ibikounle M, Ajjampur SSR, Weiner BJ, Walson JL, Aruldas K. Structural readiness to implement community-wide mass drug administration programs for soil-transmitted helminth elimination: results from a three-country hybrid study. Implement Sci Commun. 2021 Jul 19;2(1):80. doi: 10.1186/s43058-021-00164-3.
- Galactionova K, Sahu M, Gideon SP, Puthupalayam Kaliappan S, Morozoff C, Ajjampur SSR, Walson J, Rubin Means A, Tediosi F. Costing interventions in the field: preliminary cost estimates and lessons learned from an evaluation of community-wide mass drug administration for elimination of soil-transmitted helminths in the DeWorm3 trial. BMJ Open. 2021 Jul 5;11(7):e049734. doi: 10.1136/bmjopen-2021-049734.
- Witek-McManus S, Simwanza J, Chisambi AB, Kepha S, Kamwendo Z, Mbwinja A, Samikwa L, Oswald WE, Kennedy DS, Timothy JWS, Legge H, Galagan SR, Emmanuel-Fabula M, Schaer F, Asbjornsdottir K, Halliday KE, Walson JL, Juziwelo L, Bailey RL, Kalua K, Pullan RL. Epidemiology of soil-transmitted helminths following sustained implementation of routine preventive chemotherapy: Demographics and baseline results of a cluster randomised trial in southern Malawi. PLoS Negl Trop Dis. 2021 May 12;15(5):e0009292. doi: 10.1371/journal.pntd.0009292. eCollection 2021 May.
- Ajjampur SSR, Kaliappan SP, Halliday KE, Palanisamy G, Farzana J, Manuel M, Abraham D, Laxmanan S, Aruldas K, Rose A, Kennedy DS, Oswald WE, Pullan RL, Galagan SR, Asbjornsdottir K, Anderson RM, Muliyil J, Sarkar R, Kang G, Walson JL. Epidemiology of soil transmitted helminths and risk analysis of hookworm infections in the community: Results from the DeWorm3 Trial in southern India. PLoS Negl Trop Dis. 2021 Apr 30;15(4):e0009338. doi: 10.1371/journal.pntd.0009338. eCollection 2021 Apr.
- DeWorm3 Trials Team. Baseline patterns of infection in regions of Benin, Malawi and India seeking to interrupt transmission of soil transmitted helminths (STH) in the DeWorm3 trial. PLoS Negl Trop Dis. 2020 Nov 2;14(11):e0008771. doi: 10.1371/journal.pntd.0008771. eCollection 2020 Nov.
- Asbjornsdottir KH, Ajjampur SSR, Anderson RM, Bailey R, Gardiner I, Halliday KE, Ibikounle M, Kalua K, Kang G, Littlewood DTJ, Luty AJF, Means AR, Oswald W, Pullan RL, Sarkar R, Schar F, Szpiro A, Truscott JE, Werkman M, Yard E, Walson JL; DeWorm3 Trials Team. Assessing the feasibility of interrupting the transmission of soil-transmitted helminths through mass drug administration: The DeWorm3 cluster randomized trial protocol. PLoS Negl Trop Dis. 2018 Jan 18;12(1):e0006166. doi: 10.1371/journal.pntd.0006166. eCollection 2018 Jan. Erratum In: PLoS Negl Trop Dis. 2018 Jan 31;12 (1):e0006253.
Helpful Links
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
October 4, 2017
Primary Completion (Estimated)
May 1, 2024
Study Completion (Estimated)
May 1, 2024
Study Registration Dates
First Submitted
December 30, 2016
First Submitted That Met QC Criteria
January 5, 2017
First Posted (Estimated)
January 9, 2017
Study Record Updates
Last Update Posted (Estimated)
February 7, 2024
Last Update Submitted That Met QC Criteria
February 5, 2024
Last Verified
February 1, 2024
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Infections
- Parasitic Diseases
- Spirurida Infections
- Secernentea Infections
- Nematode Infections
- Filariasis
- Helminthiasis
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antineoplastic Agents
- Tubulin Modulators
- Antimitotic Agents
- Mitosis Modulators
- Antiprotozoal Agents
- Antiparasitic Agents
- Anthelmintics
- Antiplatyhelmintic Agents
- Anticestodal Agents
- Albendazole
Other Study ID Numbers
- STUDY00000180
- 1R01AI155739-01A1 (U.S. NIH Grant/Contract)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
Yes
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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