CI

At a glance

ClinicalIndex Comparison Record
Phase 1Completed· 30 enrolled
Drug / intervention
Cryptosporidium parvum oocysts (ABO809)biological
Likely dose
Cryptosporidium parvum oocysts (ABO809) 3mLfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05036668
NCT05036668Phase 1Completed

An Open Label Cryptosporidium Controlled Human Infection Model (CHIM) to Assess the Efficacy and Safety of ABO809 in Healthy Participants

Novartis Pharmaceuticals·interventional·Posted Sep 5, 2021·Updated Oct 2, 2024

In Brief

A Phase 1 clinical trial evaluating Cryptosporidium parvum oocysts (ABO809) for Cryptosporidium Infection, Cryptosporidiosis. Completed, enrolled 30 participants across 1 site.

Detailed Summary

The purpose of this Phase I controlled human infection model (CHIM) study was to determine if oral administration of a good manufacturing practice (GMP) supply of Cryptosporidium parvum oocysts (ABO809) to healthy volunteers resulted in a Cryptosporidium infection and diarrheal illness. The study measured fecal oocysts (parasitological endpoint) as well as diarrhea and associated signs and symptoms (clinical endpoint).

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 1CompletedFinished
20222023202420252026
First PostedSep 5, 2021
Enrollment StartApr 7, 2022
Primary CompletionNov 7, 2022
Study CompletionDec 27, 2022
TodayJul 2, 2026
Enrollment to primary: 7 monthsPosted 4.8 years ago

Interventions

Cryptosporidium parvum oocysts (ABO809)biological

ABO809 3x10\^6 CE/3mL concentrate for oral suspension, single dose at Day 1