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Parasitic Diseases Research and Treatment
Research Guide
What is Parasitic Diseases Research and Treatment?
Parasitic Diseases Research and Treatment is the scientific study and clinical management of infections caused by parasites such as filarial nematodes, helminths, and Wolbachia-associated pathogens, focusing on antiparasitic drugs like ivermectin and strategies to control neglected tropical diseases including lymphatic filariasis, onchocerciasis, trichinellosis, and dirofilariasis.
This field encompasses 52,281 published works on parasitic diseases affecting human and animal health, including zoonotic infections and helminth infections. Research highlights the role of Wolbachia bacteria in filarial nematodes and the pharmacokinetics of ivermectin formulations. Treatment strategies target diseases like lymphatic filariasis and onchocerciasis, with growth data over the past five years unavailable.
Topic Hierarchy
Research Sub-Topics
Lymphatic Filariasis Treatment
This sub-topic explores antiparasitic therapies, mass drug administration strategies, and vaccine development for lymphatic filariasis caused by Wuchereria bancrofti. Researchers assess efficacy of ivermectin-diethylcarbamazine combinations and morbidity management.
Onchocerciasis Control Strategies
Research centers on ivermectin-based community-directed treatment programs and their impact on Onchocerca volvulus transmission. Studies also investigate vector control and post-treatment surveillance for river blindness.
Wolbachia in Filarial Nematodes
This area examines the endosymbiotic Wolbachia bacteria in filarial parasites and antibiotic-based depletion strategies like doxycycline. Researchers study bacterial dependency for parasite viability and reproductive fitness.
Helminth Infection Immunology
Investigations focus on host immune responses to helminth infections, including Th2 polarization and regulatory mechanisms. Research explores immunomodulation potential for allergy and autoimmune therapies.
Zoonotic Parasitic Infections
This sub-topic covers epidemiology, transmission dynamics, and control of zoonotic parasites like Trichinella and Dirofilaria between animals and humans. Studies emphasize One Health approaches and diagnostic advancements.
Why It Matters
Parasitic diseases impose a substantial global health burden, particularly in developing countries, where helminths infect billions and cause disabilities such as blindness and heart failure. Hotez et al. (2007) in "Control of Neglected Tropical Diseases" note that 13 tropical diseases affect billions, with control efforts reducing morbidity through mass drug administration of ivermectin. In sub-Saharan Africa, neglected tropical diseases impact the poorest 500 million people, producing a disease burden equivalent to up to one-half of malaria and more than double that of tuberculosis, as detailed by Hotez and Kamath (2009) in "Neglected Tropical Diseases in Sub-Saharan Africa: Review of Their Prevalence, Distribution, and Disease Burden." Ivermectin, an FDA-approved antiparasitic, also shows broad-spectrum antiviral activity, inhibiting SARS-CoV-2 replication in vitro at concentrations achievable in humans, per Caly et al. (2020) in "The FDA-approved drug ivermectin inhibits the replication of SARS-CoV-2 in vitro." These efforts support eradication campaigns, such as for dracunculiasis, where surveillance reduced cases dramatically by 1991, according to Hopkins Dr and Ruiz‐Tiben (1992) in "Surveillance for dracunculiasis, 1981-1991."
Reading Guide
Where to Start
"Helminth infections: the great neglected tropical diseases" by Hotez et al. (2008), as it provides a foundational overview of helminths as common parasites exceeding malaria and tuberculosis in global burden, introducing biology and control insights accessible to newcomers.
Key Papers Explained
Werren et al. (2008) in "Wolbachia: master manipulators of invertebrate biology" (2815 citations) establishes Wolbachia as key manipulators in parasites, building on Stouthamer et al. (1999) in "Wolbachia Pipientis: Microbial Manipulator of Arthropod Reproduction" (1231 citations) that details reproductive manipulations in arthropods and nematodes. Hotez et al. (2008) in "Helminth infections: the great neglected tropical diseases" (1553 citations) connects to broader neglected diseases, while Hotez et al. (2007) in "Control of Neglected Tropical Diseases" (1543 citations) outlines control strategies integrating ivermectin. Caly et al. (2020) in "The FDA-approved drug ivermectin inhibits the replication of SARS-CoV-2 in vitro" (2233 citations) extends ivermectin research to antiviral applications.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Research continues on ivermectin pharmacokinetics in veterinary models, as in González Osuna et al. (2006), and neglected tropical disease burdens in regions like sub-Saharan Africa per Hotez and Kamath (2009). No recent preprints or news from the last 12 months indicate ongoing focus on established filarial and helminth targets.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Wolbachia: master manipulators of invertebrate biology | 2008 | Nature Reviews Microbi... | 2.8K | ✕ |
| 2 | The FDA-approved drug ivermectin inhibits the replication of S... | 2020 | Antiviral Research | 2.2K | ✓ |
| 3 | Pharmacokinetics of a novel formulation of ivermectin after ad... | 2006 | American Journal of Ve... | 1.8K | ✓ |
| 4 | Helminth infections: the great neglected tropical diseases | 2008 | Journal of Clinical In... | 1.6K | ✓ |
| 5 | Control of Neglected Tropical Diseases | 2007 | New England Journal of... | 1.5K | ✕ |
| 6 | Comparison of Caspofungin and Amphotericin B for Invasive Cand... | 2002 | New England Journal of... | 1.4K | ✓ |
| 7 | Neglected Tropical Diseases in Sub-Saharan Africa: Review of T... | 2009 | PLoS neglected tropica... | 1.3K | ✓ |
| 8 | <i>Wolbachia Pipientis</i>: Microbial Manipulator of Arthropod... | 1999 | Annual Review of Micro... | 1.2K | ✕ |
| 9 | Invasive Candidiasis | 2015 | New England Journal of... | 1.2K | ✓ |
| 10 | Surveillance for dracunculiasis, 1981-1991. | 1992 | PubMed | 1.1K | ✕ |
Frequently Asked Questions
What role does Wolbachia play in parasitic diseases?
Wolbachia bacteria are cytoplasmic symbionts in filarial nematodes and arthropods that manipulate host reproduction through mechanisms like parthenogenesis induction, feminization, and male killing. Werren et al. (2008) in "Wolbachia: master manipulators of invertebrate biology" describe Wolbachia as enhancing its transmission via these strategies. Stouthamer et al. (1999) in "Wolbachia Pipientis: Microbial Manipulator of Arthropod Reproduction" detail its presence in insects, crustaceans, mites, and filarial nematodes.
How is ivermectin used in parasitic disease treatment?
Ivermectin is an FDA-approved antiparasitic drug effective against filarial nematodes and helminth infections, administered at doses like 200 μg/kg intravenously in goats for pharmacokinetic evaluation. González Osuna et al. (2006) in "Pharmacokinetics of a novel formulation of ivermectin after administration to goats" report plasma monitoring for 36 days post-administration. Caly et al. (2020) in "The FDA-approved drug ivermectin inhibits the replication of SARS-CoV-2 in vitro" confirm its broad-spectrum activity.
What are helminth infections?
Helminths are parasitic worms that represent the most common infectious agents in developing countries, producing a global disease burden exceeding malaria and tuberculosis. Hotez et al. (2008) in "Helminth infections: the great neglected tropical diseases" highlight new insights into helminth biology for control. These infections contribute to neglected tropical diseases affecting billions worldwide.
What is the burden of neglected tropical diseases?
Neglected tropical diseases infect billions and cause disabilities like blindness and heart failure, with control integrated into global health strategies. Hotez et al. (2007) in "Control of Neglected Tropical Diseases" emphasize their morbidity alongside malaria and tuberculosis. In sub-Saharan Africa, they affect 500 million people with a burden comparable to half of malaria's, per Hotez and Kamath (2009).
How has surveillance aided parasitic disease control?
Surveillance has driven eradication efforts for dracunculiasis, designated by WHO for elimination by 1995 after smallpox. Hopkins Dr and Ruiz‐Tiben (1992) in "Surveillance for dracunculiasis, 1981-1991" report dramatic improvements in national and international monitoring since 1986. This approach reduced global cases significantly.
Open Research Questions
- ? How can Wolbachia-based strategies optimize antiparasitic treatments for filarial nematodes beyond current ivermectin use?
- ? What pharmacokinetic improvements are needed for ivermectin formulations in diverse animal hosts like goats?
- ? How do helminth infections interact with other major diseases like malaria and tuberculosis in terms of co-infection burden?
- ? What surveillance innovations can accelerate eradication of remaining neglected tropical diseases like dracunculiasis?
Recent Trends
The field maintains 52,281 works with no specified five-year growth rate, emphasizing persistent challenges in neglected tropical diseases as reviewed by Hotez and Kamath affecting 500 million in sub-Saharan Africa.
2009High-citation papers like Caly et al. on ivermectin's antiviral extension highlight repurposing trends, alongside foundational Wolbachia studies from Werren et al. (2008).
2020No recent preprints or news coverage in the last 12 months reported.
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