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Cystic FibrosisPhase 1NCT00800579

Trial to Assess the Safety, Tolerability and Pharmacokinetics of GS-9411 in Healthy Male Volunteers

A Phase 1 study testing GS-9411 in people with Cystic Fibrosis, run by Gilead Sciences at 1 site in Australia.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to evaluate the safety and tolerability of escalating doses of GS-9411 in healthy male volunteers. GS-9411 is a sodium channel inhibitor, that may restore airway hydration and mucociliary clearance in the lung. Read more about this study

Who is it for?
Ages 18 to 45 years, men onlyHealthy volunteers can take part
Conditions the study is for
Cystic Fibrosis
What is being tested?
GS-9411
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
12 participants
Where
1 siteAustralia
Study dates
Nov 2008to Feb 2009
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 45 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Males 18 to 45 years of age.
  • No clinically important abnormal physical findings at screening.
  • No clinically relevant abnormal lab results at screening.
  • Normal (or abnormal but not clinically significant) ECG.
  • Normal (or abnormal but not clinically significant) blood pressure (BP) and heart rate (HR).
  • Body weight between 70 and 125 kg and body mass index (BMI) between 18 and 28 kg/m2, or outside range, but not clinically significant and agreed with sponsor and principal investigator.
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  • Able to communicate well with the investigator and to comply with the requirements of the entire study.
  • Provision of written informed consent.
  • Non-smokers of at least 6 months duration (< 10 pack year history) prior to study entry.
  • Negative for drugs of abuse (including alcohol) at Screening and Day -5.
  • Must be willing to abstain from alcohol and strenuous exercise during the 48-hour period prior to admission and while confined to the clinic.
  • Forced expiratory volume in 1 second (FEV1) greater than or equal to 80% of predicted normal for age, gender, and height as per Hankinson et al1 at Screening and Pre-dose.
  • Normal intraocular pressure between 10 and 22 mmHg.
  • Male subjects who are sexually active must be willing to use effective barrier contraception (e.g., condom) during heterosexual intercourse from Baseline/Day 0 through completion of the study and continuing for at least 30 days from date of last dose of study drug.
  • Male subjects must refrain from sperm donation from Day 1 through completion of the study and continuing for at least 30 days from the date of last dose of study drug.

Who cannot join

  • Administration of any investigational drug in the period 0 to 12 weeks before entry to the study.
  • A need for any medication during the period 0 to 5 days before entry to the study, except those deemed by the principal investigator/clinical investigator not to interfere with the outcome of the study.
  • Existence of any surgical or medical condition which, in the judgment of the clinical investigator, might interfere with the absorption, distribution, metabolism, or excretion of the drug.
  • Presence or history of allergy requiring treatment. Hay fever is allowed unless it is active or has required treatment within the previous 2 months.
  • Donation or loss of greater than 400 mL of blood in the period 0 to 12 weeks before entry to the study.
  • Serious adverse reaction or hypersensitivity to any drug.
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  • Presence or history of any pulmonary diseases (e.g., asthma, emphysema, chronic bronchitis, cystic fibrosis, bronchiectasis).
  • Consumption of drugs and/or herbal preparations capable of inducing hepatic enzyme metabolism (e.g., barbiturates, rifampicin, carbamazepine, phenytoin, primidone, or St. John's Wort) or enzyme-inhibiting agents (e.g., cimetidine) or similar drugs within 30 days (or 5 half-lives of inducing/inhibiting agent, whichever is longer) of enrollment in this study.
  • Major surgery within 6 months of the start of this study.
  • Subjects who have experienced a significant upper or lower respiratory tract infection within the 6 weeks prior to admission.
  • Subjects with significant history of respiratory, renal, hepatic, cardiovascular (including history of systemic hypertension requiring therapy), metabolic, neurological, hematological, gastrointestinal, cerebrovascular, or other significant medical illness or disorder which, in the judgment of the investigator, may interfere with the study or require treatment which may affect the evaluation of efficacy and safety of the study drug.
  • Subjects with elevated liver enzyme concentrations.
  • Haemoglobin level < 130 g/L taken at Screening and at Pre-dose.
  • Plasma potassium > 5 mEq/L taken at Screening and at Pre-dose.
  • Poor venous access.
  • Intraocular pressure > 21 mm Hg

Trial locations and contacts

1 site in 1 country.

Australia1 site
  • Nucleus Network Ltd.

    Melbourne, Victoria, 3004

Other trials in Australia

About this study

Official title: A Randomised, Double-blind, Placebo-controlled Trial to Assess the Safety, Tolerability and Pharmacokinetics of GS-9411 in Healthy Male Volunteers

The purpose of this study is to evaluate the safety and tolerability of escalating doses of GS-9411 in healthy male volunteers. GS-9411 is a sodium channel inhibitor, that may restore airway hydration and mucociliary clearance in the lung.

Read the detailed description

GS-9411 is being evaluated as a potential therapy to improve airway hydration and mucociliary clearance in patients with cystic fibrosis. This study is evaluating the safety and tolerability of 3 dose levels of GS-9411 as an inhaled product, compared to a matched placebo.

Conditions
Cystic Fibrosis
Being tested
GS-9411, Placebo
Keywords
cystic fibrosis, CF, mucociliary clearance, amiloride, ENaC, ENaC Inhibitor, airway hydration, epithelial sodium channel inhibitor
Medical subject headings
Cystic Fibrosis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • GS-9411Drug

    Inhaled GS-9411 dissolved in sterile saline

  • PlaceboDrug

    Inhaled volume-matched placebo in sterile saline

Study groups in NCT00800579
Study groupRoleWhat they receive
1ExperimentalGS-9411 0.6 mg
Receives: Drug: GS-9411
2ExperimentalGS-9411 1.2 mg
Receives: Drug: GS-9411
3ExperimentalGS-9411 2.4 mg
Receives: Drug: GS-9411
4Placebo comparatorInhaled volume-matched sterile saline placebo
Receives: Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Safety and Tolerability of 3 escalating doses of GS-9411 in healthy male volunteers

    Measured: 11 Days

Secondary outcomes (1)
  1. To assess pharmacokinetics of GS-9411 and its metabolites

    Measured: 11 Days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Dec 2008 (estimated)
  2. Study startNov 2008
  3. Primary completionFeb 2009
  4. Study completionFeb 2009

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
12 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00800579
Sponsor's protocol ID
GS-US-221-0101
Status last verified
Oct 2009
First submitted
21 Nov 2008
Last updated
21 Oct 2009
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing GS-9411 in people with Cystic Fibrosis, run by Gilead Sciences at 1 site in Australia.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 15 inclusion and 16 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 21 Oct 2009. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Australia. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Safety and Tolerability of 3 escalating doses of GS-9411 in healthy male volunteers (time frame: 11 Days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 21 Oct 2009.

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