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A Phase 2a Study to Evaluate ALS-008176 in the Virus Challenge Model

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: March 21, 2014
Last Update Posted: December 24, 2014
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
Alios Biopharma Inc.
This study is designed to compare the antiviral effect of ALS-008176 compared to a placebo control in the respiratory syncytial virus challenge model.

Condition Intervention Phase
Respiratory Syncytial Virus Infections Drug: ALS-008176 Drug: vehicle Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: A Randomised, Phase 2a, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Pharmacokinetics and Antiviral Activity of Multiple Doses of Orally Administered ALS-008176 Against Respiratory Syncytial Virus Infection in the Virus Challenge Model

Resource links provided by NLM:

Further study details as provided by Alios Biopharma Inc.:

Primary Outcome Measures:
  • Change in viral load measurements. [ Time Frame: Baseline to day 12 ]

Enrollment: 62
Study Start Date: March 2014
Study Completion Date: July 2014
Primary Completion Date: June 2014 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: ALS-008176
ALS-008176 drug substance for oral suspension
Drug: ALS-008176
Placebo Comparator: vehicle alone
Vehicle alone
Drug: vehicle


Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 45 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Age 18 to 45 years, inclusive.
  • In good health with no history of major medical conditions
  • A total body weight ≥ 50 kg and a body mass index (BMI) of > 18kg/m2.

Exclusion Criteria:

  • Acute or chronic medical illness
  • Positive for Human Immunodeficiency Virus, Hepatitis B or C
  • Nose or nasopharynx abnormalities
  • Abnormal lung function
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02094365

United Kingdom
Retroscreen Virology Ltd
London, United Kingdom
Sponsors and Collaborators
Alios Biopharma Inc.
Principal Investigator: Hosnieh Fathi, MD, MSc Retroscreen Virology Ltd.
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Alios Biopharma Inc.
ClinicalTrials.gov Identifier: NCT02094365     History of Changes
Other Study ID Numbers: ALS-8176-502
First Submitted: March 20, 2014
First Posted: March 21, 2014
Last Update Posted: December 24, 2014
Last Verified: March 2014

Additional relevant MeSH terms:
Virus Diseases
Respiratory Syncytial Virus Infections
Pneumovirus Infections
Paramyxoviridae Infections
Mononegavirales Infections
RNA Virus Infections