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Cystic FibrosisPhase 1NCT03029455

A Study to Evaluate Safety and Pharmacokinetics of VX-659 in Healthy Subjects and in Adults With Cystic Fibrosis

A Phase 1 study testing VX-659, Tezacaftor and Ivacaftor in people with Cystic Fibrosis, run by Vertex Pharmaceuticals Incorporated at 10 sites in United Kingdom.

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

Evaluate the safety and tolerability of VX-659 in healthy subjects Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Cystic Fibrosis
What is being tested?
VX-659, Tezacaftor and Ivacaftor
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
163 participants
Where
10 sitesUnited Kingdom
Study dates
Nov 2016to Aug 2017
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 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Healthy Volunteers: PARTS A, B, and C
  • Males and Females of non-childbearing potential.
  • Between the ages of 18 and 60 years inclusive
  • Healthy, as defined per protocol.
  • Body mass index (BMI) of 18.0 to 32.0 kg/m2 inclusive
  • Body weight >50 kg
Show all 12Show fewer
  • CF Patients: PART D
  • Body weight ≥35 kg.
  • Males and Females of non-childbearing potential.
  • Sweat chloride value ≥ 60 mmol/L at screening.
  • Heterozygous for F508del and a minimal function CFTR mutation
  • Forced expiratory volume in 1 second (FEV1) ≥40% and ≤90% of predicted at screening

Who cannot join

  • Healthy Volunteers: PARTS A, B, and C
  • History of any illness or any clinical condition that in the opinion of the investigator might confound the results of the study or pose additional risk to the subject.
  • Any condition possibly affecting drug absorption.
  • History of febrile illness within 14 days before the first study drug dose.
  • Glucose-6-phosphate dehydrogenase (G6PD) deficiency assessed at Screening.
  • CF Patients: PART D
Show all 13Show fewer
  • History of any comorbidity that, in the opinion of the investigator, might confound the results of the study or pose an additional risk to the subject.
  • History of cirrhosis with portal hypertension.
  • Risk factors for Torsade de Pointes.
  • G6PD deficiency assessed at Screening.
  • Abnormal Laboratory Values.
  • Lung infection with organisms associated with a more rapid decline in pulmonary status
  • History of solid organ or hematological transplantation.

Trial locations and contacts

10 sites in 1 country.

10 sites in 1 country

United Kingdom10 sites
  • Study site

    Birmingham

  • Study site

    Cambridge

  • Study site

    Exeter

  • Study site

    Glasgow

  • Study site

    Leeds

  • Study site

    Liverpool

  • Study site

    London

  • Study site

    Manchester

  • Study site

    Newcastle upon Tyne

  • Study site

    Southampton

Other trials in United Kingdom

About this study

Official title: A Phase 1, Randomized, Double Blind, Placebo Controlled, Dose Escalation, and Bioavailability Study Evaluating the Safety and Pharmacokinetics of VX-659 in Healthy Subjects and in Subjects With Cystic Fibrosis

Evaluate the safety and tolerability of VX-659 in healthy subjects

Conditions
Cystic Fibrosis
Being tested
VX-659, Tezacaftor, Ivacaftor, VX-659 Matching Placebo, Triple Combination (TC) Matching Placebos
Medical subject headings
Cystic Fibrosis

What participants receive

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

  • VX-659Drug

  • TezacaftorDrug

    Also called VX-661, TEZ

  • IvacaftorDrug

    Also called VX-770, IVA

  • VX-659 Matching PlaceboDrug

  • Triple Combination (TC) Matching PlacebosDrug

Study groups in NCT03029455
Study groupRoleWhat they receive
Part A: VX-659 or Matching PlaceboExperimentalPart A includes single-dose escalation.
Receives: Drug: VX-659; Drug: VX-659 Matching Placebo
Part B: VX-659 or Matching PlaceboExperimentalPart B includes multiple-dose escalation.
Receives: Drug: VX-659; Drug: VX-659 Matching Placebo
Part C: VX-659 in TC with TEZ/IVA or Matching Triple PlaceboExperimentalPart C includes multiple dose escalation of VX-659 administered in Triple Combination (TC).
Receives: Drug: VX-659; Drug: Tezacaftor; Drug: Ivacaftor; Drug: Triple Combination (TC) Matching Placebos
Part D: VX-659 in TC with TEZ/IVA or Matching Triple PlaceboExperimentalPart D includes subjects with CF. Participants will receive TC or matching placebos.
Receives: Drug: VX-659; Drug: Tezacaftor; Drug: Ivacaftor; Drug: Triple Combination (TC) Matching Placebos

What is being measured

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

  1. Safety and Tolerability assessments as determined by number of subjects with adverse events (AEs) and serious adverse events (SAEs)

    Measured: from baseline up to Day 50

Secondary outcomes (9)
  1. Maximum observed concentration (Cmax) of VX-659 and selected metabolites (μg/mL)

    Measured: from baseline up to Day 18

  2. Cmax of TEZ and selected metabolites (μg/mL)

    Measured: from baseline up to Day 18

  3. Cmax of IVA and selected metabolites (μg/mL)

    Measured: from baseline up to Day 18

  4. Area under the concentration versus time curve during a dosing interval (AUCtau) of VX-659 and selected metabolites (μg,h/mL)

    Measured: from baseline up to Day 18

  5. AUCtau of TEZ and selected metabolites (μg,h/mL)

    Measured: from baseline up to Day 18

  6. AUCtau of IVA and selected metabolites (μg,h/mL)

    Measured: from baseline up to Day 18

  7. Observed pre-dose concentration (Ctrough) of VX-659 and selected metabolites (μg/mL)

    Measured: from baseline up to Day 18

  8. Ctrough of TEZ and selected metabolites (μg/mL)

    Measured: from baseline up to Day 18

  9. Ctrough of IVA and selected metabolites (μg/mL)

    Measured: from baseline up to Day 18

Timeline

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

  1. First posted24 Jan 2017 (estimated)
  2. Study startNov 2016
  3. Primary completionAug 2017
  4. Study completionAug 2017

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
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
163 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03029455
Sponsor's protocol ID
VX16-659-001
Other IDs
2016-003048-35, 2016
Status last verified
Sep 2017
First submitted
11 Jan 2017
Last updated
5 Sep 2017
Results posted
No
Data monitoring committee
Yes

Publications

  • Heneghan M, Southern KW, Murphy J, Sinha IP, Nevitt SJ. Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene variants (most commonly F508del). Cochrane Database Syst Rev. 2023 Nov 20;11(11):CD010966. doi: 10.1002/14651858.CD010966.pub4.

    PubMed 37983082
  • Southern KW, Murphy J, Sinha IP, Nevitt SJ. Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene variants (most commonly F508del). Cochrane Database Syst Rev. 2020 Dec 17;12(12):CD010966. doi: 10.1002/14651858.CD010966.pub3.

    PubMed 33331662
  • Davies JC, Moskowitz SM, Brown C, Horsley A, Mall MA, McKone EF, Plant BJ, Prais D, Ramsey BW, Taylor-Cousar JL, Tullis E, Uluer A, McKee CM, Robertson S, Shilling RA, Simard C, Van Goor F, Waltz D, Xuan F, Young T, Rowe SM; VX16-659-101 Study Group. VX-659-Tezacaftor-Ivacaftor in Patients with Cystic Fibrosis and One or Two Phe508del Alleles. N Engl J Med. 2018 Oct 25;379(17):1599-1611. doi: 10.1056/NEJMoa1807119. Epub 2018 Oct 18.

    PubMed 30334693

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing VX-659, Tezacaftor and Ivacaftor in people with Cystic Fibrosis, run by Vertex Pharmaceuticals Incorporated at 10 sites in United Kingdom.

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 12 inclusion and 13 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 5 Sep 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 10 sites in United Kingdom. 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. 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 assessments as determined by number of subjects with adverse events (AEs) and serious adverse events (SAEs) (time frame: from baseline up to Day 50). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03029455, which also lists 3 linked publications.

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 5 Sep 2017.

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