CClinicalTrials.gg
Not yet recruitingNCT07570576Updated May 12, 2026

Front-of-package Warning Labels for Sugar Content in Sugar-sweetened Beverages

An interventional study of UK-style traffic light labels and Chile-style octagonal labels in Obesity & Overweight, sponsored by Chinese University of Hong Kong. Not yet recruiting. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-05-12.

Sponsored by Chinese University of Hong Kong · Not applicable, Interventional, and Health services research

Phase
Not applicable
Study type
Interventional
Enrollment
2,800
Allocation
Randomized
Ages
18 Years and older
Sex
All
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Study summary

The goal of this online randomized trial is to examine the effectiveness of Front-of-package (FOP) warning labels for added sugar content on the intent-to-purchases of SSBs in an affluent Asian setting. We hypothesize the FOP warning labels are significantly associated with a reduction of consumers' purchase intention of sugar-sweetened beverages (SSBs).

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Conditions studied

  • Obesity & Overweight

Keywords

  • sugar label
  • online trial
  • SSB
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In context

Obesity

6,296 studies on the registry are indexed under Obesity; 1,692 are open to participants now.

This study's planned enrollment of 2,800 is above the median of 78 across 4,878 interventional studies indexed under Obesity.

Browse Obesity studies →

Lead sponsor

Chinese University of Hong Kong is the lead sponsor of 1,419 studies on the registry; 487 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Hong Kong residents aged 18 years or older and be able to understand either English or Chinese

Exclusion criteria

Exclusion Criteria:

  • Refuse to provide informed consent
  • Failing an attention check, defined as an incorrect response to a multiple-choice question asking "What month is it currently?",
  • Implausibly short completion times, defined as completing the survey in less than 133 seconds, which corresponds to half of the median completion time observed in pilot data
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Study design

Phase
Not applicable
Primary purpose
Health services research
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
2,800 participants (estimated)

Study arms

  • No intervention
    no label (control)
  • Active comparator
    Hong Kong-style labels

    Other: Hong Kong-style labels

  • Experimental
    UK-style traffic light labels

    Other: UK-style traffic light labels

  • Experimental
    Chile-style octagonal labels

    Other: Chile-style octagonal labels

  • Experimental
    text warning labels

    Other: text warning labels

  • Experimental
    text-and-graphic warning labels

    Other: text-and-graphic warning labels

  • Experimental
    teaspoon labels

    Other: teaspoon labels

Interventions

  • OtherUK-style traffic light labels

    UK-style traffic light labels displaying "HIGH ADDED SUGAR" in a red circle, "MEDIUM ADDED SUGAR" in a yellow circle, "LOW ADDED SUGAR" in a green circle, or "ZERO ADDED SUGAR" in a green circle

  • OtherChile-style octagonal labels

    Chile-style octagonal labels displaying "HIGH ADDED SUGAR"

  • Othertext warning labels

    text warning labels stating that drinking beverages with added sugar contributes to diabetes and tooth decay, applied to low-, medium-, and high-added-sugar beverages

  • Othertext-and-graphic warning labels

    text-and-graphic warning labels displaying the same message as the text warning label with simple graphics representing diabetes and tooth decay, applied to low-, medium-, and high-added-sugar beverages

  • Otherteaspoon labels

    teaspoon labels showing the number of teaspoons of added sugar per 100 mL, applied to all added-sugar levels

  • OtherHong Kong-style labels

    Hong Kong-style labels, adapted from the voluntary "Salt / Sugar" Label Scheme for prepackaged food products, displaying "LOW SUGAR" or "NO SUGAR" inside a diamond shape with a tick mark at the bottom

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What researchers measure

Primary outcomes

  1. Proportion of the participant selects a sugar-sweetened beverage in the beverage choice task

    Time frame: Enrollment

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Study locations

No study locations are listed for this record.

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References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 12, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT07570576
Lead sponsor
Chinese University of Hong Kong
Responsible party
Marc Chong (Principal Investigator, Chinese University of Hong Kong) — Principal investigator
First posted
May 6, 2026
Start date
May 1, 2026 (estimated)
Primary completion
Apr 30, 2027 (estimated)
Completion
Apr 30, 2028 (estimated)
Last update
May 12, 2026

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in May 2026. You cannot join it, but the record below documents what was studied.

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