A Trial to Assess the Safety, Tolerability, and Pharmacokinetics of the Anti-Orthopoxvirus Compound Tecovirimat

NCT ID: NCT02474589

Last Updated: 2017-11-28

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

449 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-06-19

Study Completion Date

2016-08-24

Brief Summary

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Multicenter, double-blind, placebo controlled, Phase 3 study to determine the safety and tolerability of oral tecovirimat, an anti orthopoxvirus compound, in subjects.

Detailed Description

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Pharmacokinetics and safety and tolerability data will be collected.

Conditions

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Smallpox

Keywords

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Treatment orthopoxvirus smallpox

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Active

600 mg tecovirimat capsules BID to assess safety and tolerability and pharmacokinetics of the anit-orthopoxvirus compound Tecovirimat when administered orally in healthy subjects

Group Type ACTIVE_COMPARATOR

tecovirimat

Intervention Type DRUG

Study is based on Animal Regulatory Rule

Placebo

matching placebo capsules BID to assess safety and tolerability and pharmacokinetics of the anit-orthopoxvirus compound Tecovirimat when administered orally in healthy subjects

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

Does not apply

Interventions

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tecovirimat

Study is based on Animal Regulatory Rule

Intervention Type DRUG

Placebo

Does not apply

Intervention Type OTHER

Other Intervention Names

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ST-246

Eligibility Criteria

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Inclusion Criteria

* 18 to 80 years old, inclusive
* Available for clinical follow-up for the duration of the study
* Able and willing to give informed consent
* In good general health without clinically significant medical history; not have been hospitalized for a chronic medical condition for the last 2 years
* Able to comply with dietary requirements throughout the study drug dosing period
* Adequate venous access for those individuals participating in PK testing
* PE and laboratory results without clinically significant findings within the 14 days before receipt of study drug
* Agree not to drink alcohol from the beginning of the Screening Period through the completion of the Day 28 Follow up Visit
* Agree not to use any nicotine products, including electronic vapor cigarettes, nicotine patches or nicotine gum for at least 30 days before the Day 1 Visit and through completion of the Day 15 Dosing complete Visit
* Agree not to consume caffeine during all study visits, including overnight stays if participating in PK subset
* Agree not to receive any immunizations/vaccinations
* Agree not to take herbal products
* Able and willing to refrain from taking any prescriptions and nonprescription medications with exceptions
* For women of childbearing potential, negative serum and urine pregnancy testing
* If male, agree not to donate sperm
* Meet 1 of the following criteria: The subject or their partner has undergone surgical sterilization; the subject is postmenopausal; the subject agrees to be abstinent; the subject agrees to consistently use a method of approved birth control.

Exclusion Criteria

* Pregnant or breast-feeding or planning pregnancy
* Have a history of any clinically significant conditions
* Have any limitation of activity related to cardiac disease
* Have a bleeding disorder diagnosed by a doctor, or a history of significant bruising or bleeding with intramuscular injections or blood draws
* Currently using certain medications
* Have a malignancy that is active or a treated malignancy for which there is no reasonable assurance of sustained cure, or malignancy that is likely to recur during the study
* Have a history of seizure
* Have a clinically significant blood dyscrasia
* Have a history of drug allergy that contraindicates participation in the trial
* Have a medical, psychiatric, or social condition or any occupational reason, or other responsibility that in the judgment of the investigator would render the subject unable to comply with the protocol
* Have an inability to swallow medication
* Have a clinically significant abnormal ECG
* Have participated in a clinical trials within 30 days of study entry or planning to participate in any experimental treatment study during the study period
* Have a history or current drug or alcohol abuse
* Have received immunizations/vaccines
* Have a current clinically significant acute bacterial, fungal, or mycobacterial infection requiring administration of systemic antibiotics
* Have known chronic bacterial, mycobacterial, fungal, parasitic, or protozoal infection with the exception of clinically significant dermal infections
* Have known hepatitis B or C infection, or positive test result
* Have known HIV infection or AIDS or a positive test for HIV
* Have a current clinically significant viral infection
* Have known clinically significant chronic viral infection
* have received treatment with greater than 20 mg prednisone or equivalent dose or any immunosuppressant or immunomodulary medication
* Have abnormal laboratory testing during screening
* Have a greater than or equal than 20% risk of suffering a major cardiovascular event
* Have been previously enrolled in this or any clinical trial involving tecovirimat
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Biomedical Advanced Research and Development Authority

FED

Sponsor Role collaborator

SIGA Technologies

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Dennis Hruby, Ph.D.

Role: STUDY_DIRECTOR

SIGA Technologies, Inc.

Locations

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Coastal Clinical Research, Inc.

Mobile, Alabama, United States

Site Status

Paradigm Research

Redding, California, United States

Site Status

Paradigm Research

San Diego, California, United States

Site Status

Johnson County Clinical Trials

Lenexa, Kansas, United States

Site Status

Heartland Research Associates, LLC

Newton, Kansas, United States

Site Status

Center for Pharmaceutical Research

Kansas City, Missouri, United States

Site Status

Sundance Clinical Research LLC

St Louis, Missouri, United States

Site Status

Meridien Clinical Research

Omaha, Nebraska, United States

Site Status

Medical Research South

Charleston, South Carolina, United States

Site Status

Benchmark Research

Austin, Texas, United States

Site Status

Benchmark Research

Fort Worth, Texas, United States

Site Status

Countries

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United States

References

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Grosenbach DW, Honeychurch K, Rose EA, Chinsangaram J, Frimm A, Maiti B, Lovejoy C, Meara I, Long P, Hruby DE. Oral Tecovirimat for the Treatment of Smallpox. N Engl J Med. 2018 Jul 5;379(1):44-53. doi: 10.1056/NEJMoa1705688.

Reference Type DERIVED
PMID: 29972742 (View on PubMed)

Other Identifiers

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SIGA-246-008

Identifier Type: -

Identifier Source: org_study_id