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Acute PainPhase 2NCT03764072

A Dose-ranging Study to Evaluate Efficacy and Safety of VX-150 in Subjects With Acute Pain Following Bunionectomy

A Phase 2 study testing VX-150 in people with Acute Pain, run by Vertex Pharmaceuticals Incorporated at 6 sites in United States.

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

This study will evaluate the dose-response relationship and safety of VX-150 in treating acute pain following bunionectomy. Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Acute Pain
What is being tested?
VX-150
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
250 participants
Where
6 sitesUnited States
Study dates
12 Dec 2018to 25 Jan 2019
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Before surgery:
  • Body mass index (BMI) of 18.0 to 38.0 kilogram per meter square (kg/m^2)
  • Be scheduled to undergo a primary unilateral first metatarsal bunionectomy repair, without collateral procedures, under regional anesthesia (Mayo and popliteal sciatic block) not to include base wedge procedure
  • After surgery:
  • Subject reported pain of greater than or equal to (>=) 4 on Numeric Pain Rating Scale (NPRS) and moderate or severe pain on the Verbal Categorical Rating Scale (VRS) within 9 hours after removal of the popliteal sciatic block on Day 1
  • Subject is lucid and able to follow commands
  • All analgesic guidelines were followed during and after the bunionectomy

Who cannot join

  • Before surgery:
  • History in the past 10 years of malignancy, except for squamous cell skin cancer, basal cell skin cancer, and Stage 0 cervical carcinoma in situ
  • History of cardiac dysrhythmias requiring anti-arrhythmia treatment(s)
  • History of abnormal laboratory results >=2.5*upper limit of normal (ULN)
  • History of peripheral neuropathy
  • A known or clinically suspected infection with human immunodeficiency virus or hepatitis B or C viruses
Show all 11Show fewer
  • Prior medical history of bunionectomy or other foot surgery on the index foot
  • History of peptic ulcer disease, or intolerance or unwillingness to receive ibuprofen
  • After surgery:
  • Subject had a type 3 deformity requiring a base wedge osteotomy or concomitant surgery
  • Other protocol defined inclusion/exclusion criteria may apply

Trial locations and contacts

6 sites in 1 country.

6 sites in 1 country

United States6 sites
  • Anaheim Clinical Trials

    Anaheim, California, 92801

  • Lotus Clinical Research

    Pasadena, California, 91105

  • Chesapeake Research Group

    Pasadena, Maryland, 21122

  • Arizona Research Center

    Phoenix, Arizona, 85053

  • JBR Clinical Research

    Salt Lake City, Utah, 84107

  • Endeavor Clinical Trials

    San Antonio, Texas, 78229

Other trials in United States

About this study

Official title: A Phase 2B Randomized, Double-blind, Placebo-controlled, Dose-ranging, Parallel-design Study of the Efficacy and Safety of VX-150 for Acute Pain Following Bunionectomy

This study will evaluate the dose-response relationship and safety of VX-150 in treating acute pain following bunionectomy.

Conditions
Acute Pain
Being tested
VX-150, Placebo
Medical subject headings
Acute Pain

What participants receive

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

  • VX-150Drug

    Capsules for oral administration.

  • PlaceboDrug

    Capsules for oral administration.

Study groups in NCT03764072
Study groupRoleWhat they receive
PlaceboPlacebo comparatorParticipants received placebo matched to VX-150 for 2 days.
Receives: Drug: Placebo
VX-150 - Dose Level 1ExperimentalParticipants received VX-150 1500 milligrams (mg) as first dose, followed by VX-150 750 mg every 12 hours (q12h) for 2 days.
Receives: Drug: VX-150
VX-150 - Dose Level 2ExperimentalParticipants received VX-150 1000 mg once daily (qd) for 2 days.
Receives: Drug: VX-150
VX-150 - Dose Level 3ExperimentalParticipants received VX-150 500 mg q12h for 2 days.
Receives: Drug: VX-150
VX-150 - Dose Level 4ExperimentalParticipants received VX-150 500 mg as first dose, followed by VX-150 250 mg q12h for 2 days.
Receives: Drug: VX-150
VX-150 - Dose Level 5ExperimentalParticipants received VX-150 250 mg qd for 2 days.
Receives: Drug: VX-150

What is being measured

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

  1. Time-weighted Sum of the Pain Intensity Difference as Recorded on Numeric Pain Rating Scale (NPRS) 0 to 24 Hours (SPID24) After First Dose

    SPID was calculated as the sum of the product of time (in hours) elapsed since previous measurements and pain intensity difference. Pain intensity difference was calculated by subtracting the pain intensity score at given post-dose time points from the baseline pain intensity scores (using pain rating score range: 0= no pain to 10= worst possible pain). SPID24 was calculated from 0 to 24 hours and the score range was -240 (worst score) to 240 (best score).

    Measured: 0 to 24 Hours After First Dose

Secondary outcomes (9)
  1. Time-weighted Sum of Pain Intensity Difference as Recorded on NPRS 0 to 48 Hours (SPID48) After First Dose

    SPID was calculated as the sum of the product of time (in hours) elapsed since previous measurements and pain intensity difference. Pain intensity difference was calculated by subtracting the pain intensity score at given post-dose time points from the baseline pain intensity scores (using pain rating score range: 0= no pain to 10= worst possible pain). SPID48 was calculated from 0 to 48 hours and the score range was -480 (worst score) to 480 (best score).

    Measured: 0 to 48 Hours After First Dose

  2. Proportion of Participants With at Least 30 Percent (%) Reduction in NPRS at 24 Hours After First Dose of VX-150 Versus Placebo

    Pain intensity was recorded on 11-point ordinal NPRS, score range: 0 to 10, where 0= no pain and 10= worst imaginable pain. The percentage of participants with at least 30% reduction from baseline in NPRS at 24 hours after the first dose of VX-150 or placebo were reported.

    Measured: From Baseline at 24 Hours After First Dose

  3. Proportion of Participants With at Least 50% Reduction in NPRS at 24 Hours After the First Dose of VX-150 Versus Placebo

    Pain intensity was recorded on 11-point ordinal NPRS, score range: 0 to 10, where 0=no pain and 10=worst imaginable pain. The percentage of participants with at least 50% reduction from baseline in NPRS at 24 hours after the first dose of VX-150 or placebo were reported.

    Measured: From Baseline at 24 Hours After First Dose

  4. Proportion of Participants With at Least 70% Reduction in NPRS at 24 Hours After the First Dose of VX-150 Versus Placebo

    Pain intensity was recorded on 11-point ordinal NPRS, score range: 0 to 10, where 0= no pain and 10= worst imaginable pain. The percentage of participants with at least 70% reduction from baseline in NPRS at 24 hours after the first dose of VX-150 or placebo were reported.

    Measured: From Baseline at 24 Hours After First Dose

  5. Time to Onset of Confirmed Perceptible Pain Relief After First Dose of VX-150 Versus Placebo

    Time to onset of confirmed perceptible pain relief (time to onset of perceptible pain relief [any pain relief at all after the first dose] for participants who had meaningful pain relief [relief that is meaningful to participants after the first dose] reported based on the stopwatch assessment.

    Measured: Up to 6 hours After the First Dose

  6. Time to Onset of Meaningful Pain Relief After the First Dose of VX-150 Versus Placebo

    Time to onset of meaningful pain relief (relief that is meaningful to participants after the first dose) reported based on the stopwatch assessment.

    Measured: Up to 6 Hours After the First Dose

  7. Maximum Observed Concentration (Cmax) of VRT- 1207355 (Active Moiety) and VRT- 1268114 (Metabolite M5)

    Measured: Day 1 and Day 2

  8. Area Under the Concentration Versus Time Curve From 0 to 12 Hours (AUC0-12h) of VRT- 1207355 and VRT- 1268114

    Measured: Day 1 and Day 2

  9. Safety and Tolerability as Assessed by Number of Participants With Treatment Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)

    Measured: Day 1 up to Day 10

Timeline

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

  1. First posted4 Dec 2018
  2. Study start12 Dec 2018
  3. Primary completion17 Jan 2019
  4. Study completion25 Jan 2019

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 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
250 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03764072
Sponsor's protocol ID
VX18-150-104
Status last verified
Jan 2022
First submitted
3 Dec 2018
Last updated
9 Feb 2022
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing VX-150 in people with Acute Pain, run by Vertex Pharmaceuticals Incorporated at 6 sites in United States.

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 7 inclusion and 11 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 9 Feb 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 6 sites in United States. 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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

Are results available for this study?

Yes. Results are posted in the registry (first posted 9 Feb 2022). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Time-weighted Sum of the Pain Intensity Difference as Recorded on Numeric Pain Rating Scale (NPRS) 0 to 24 Hours (SPID24) After First Dose (time frame: 0 to 24 Hours After First Dose). 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 9 Feb 2022.

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