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Multiple Ascending Dose Study of Oxfendazole in Healthy Adult Volunteers

NCT03035760 · Status: COMPLETED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 36

Last updated 2019-12-17

Study results available
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Summary

This Phase I study is an open label multiple ascending dose evaluation of the safety and PK of oxfendazole (3, 7.5, or 15 mg/kg) given orally daily to healthy adult men and nonpregnant women aged 18-45 followed by a single dose cross over trial evaluating the safety and pharmacokinetics of a single dose of oxfendazole (3 mg/kg) given following an 8 hour fast or following a high fat meal. The study duration will be approximately 12 months with each subject participation lasting approximately 6 weeks. In the multiple ascending dose evaluation, between 8 and 24 subjects will be enrolled; each dose group will be comprised of eight volunteers. To enhance safety, one sentinel subject will be dosed for five days and monitored for 7 days from the time of the first dose for predefined adverse events. If there are no predefined safety events, a second sentinel subject will be enrolled and followed for a total of 7 days. If there are no predefined safety signals identified for either of these two sentinel subjects, the remaining subjects in the group will be enrolled. After all eight subjects have completed the 10 day follow up period, an electronic safety review of the electronic data will be performed. If none of the predefined safety events have occurred DMID will approve enrollment into the second dose group (7.5 mg/kg oxfendazole daily x 5 days) and will be monitored for a total of 7 days each for predefined adverse events prior to enrolling the remaining subjects in the group. After the 10 day follow up period has been completed for group 2, an electronic safety review will be completed and if no predefined events have occurred two sequential subjects (one at a time with 7 days between each subject) will be enrolled into the third dose group (15 mg/kg oxfendazole daily x 5 days) and will be monitored for a total of 7 days each for predefined safety events prior to enrolling the remaining subjects in the group. In the food effects evaluation, 12 subjects will be enrolled into the single dose cross over group where half of the subjects will initially receive a single dose of 3 mg/kg of oxfendazole following an 8 hour fast and the other half will receive a single dose of 3 mg/kg of oxfendazole following a high fat meal. Subjects will then cross over to receive a single dose following a high fat breakfast or fasting period (water is permitted). All subjects will have received a dose of oxfendazole following both a fasting period and a meal. The primary objectives are: 1) To assess the safety of oxfendazole administered daily for five days; and 2) To assess the safety of oxfendazole administered as a single dose with or without food.

Conditions

  • Helminthic Infection

Interventions

DRUG

Oxfendazole

methyl-5 (6)-phenylsulfiyl-2-benzimidazole carbamate, is a broad spectrum benzimidazole antihelminthic. It is the sulphoxide metabolite of fenbendazole.

Sponsors & Collaborators

  • National Institute of Allergy and Infectious Diseases (NIAID)

    lead NIH

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
45 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2017-05-12
Primary Completion
2018-04-23
Completion
2019-04-23
FDA Drug
Yes

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03035760 on ClinicalTrials.gov