New drug combo could shorten histoplasmosis treatment by half
NCT ID NCT07261150
First seen Jun 27, 2026 · Last updated Sep 17, 2026 · Updated 2 times
Summary
This study tests if a single high dose of an antifungal drug works better than the standard daily dose for treating moderate to severe histoplasmosis, a serious lung infection. It also compares a newer oral drug to the standard one, and checks if 6 months of treatment is as good as 12 months in people with HIV. About 664 hospitalized adults will take part to find safer, more effective ways to control this disease.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 664 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2030
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age ≥18 years * Hospitalized with suspected histoplasmosis b * Diagnosis of confirmed or probable histoplasmosis (via positive Histoplasma antigen test, culture, histopathology or microscopy) * Provision of Informed Consent by participant or surrogate c Exclusion Criteria: * Previous diagnosis of histoplasmosis * Pregnant persons (all persons who could potentially be pregnant will have a pregnancy test prior to enrollment, and if negative, must agree to contraception for the duration of the study) * Breastfeeding and unable to stop for the duration of the study * Renal impairment (serum creatinine or blood urea nitrogen (BUN) \>2.0x upper limit of normal) * Allergy or contraindication to a study medicine * More than one dose of an amphotericin product in the prior 7 days * Suspected central nervous system involvement of histoplasmosis * Likely to die in the next 48 hours in the judgment of the investigator * Unlikely to follow up for the duration of the study in the judgement of the investigator * Significant drug-drug interaction with itraconazole or posaconazole (such as rifampin in persons with TB) * Current diagnosis of cryptococcosis or leishmaniasis * QTc interval consistently \>450 milliseconds * Prisoners * Unable to take oral medications
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
2 sites in 2 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Universidade Federal de Ciências da Saúde de Porto Alegre
Porto Alegre, Brazil
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University of Minnesota
Minneapolis, Minnesota, 55455, United States
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