Measurement plan for a four-week pilot
- 01Before start
Product/safety review, aims, ethics and data permissions
- 02Week 0
Baseline, usual diet and satiety-measurement rules
- 03Weeks 1–4
Use, adherence, adverse experiences, withdrawal and missing measures
- 04Week 4
Prespecified outcomes and feasibility data; no effect numbers yet
- 05Stage decision
Continue, modify or stop against predefined conditions
Four weeks and use are assumptions to assess, not nutrition recommendations. Sample size follows the primary outcome and feasibility aims; no favourable result is assumed.
| Check | Finding / sample content | Use |
|---|---|---|
| Primary question | Willingness to buy does not replace the prespecified satiety outcome | Define commercial, experiential and health measures separately |
| Decision gate | First establish recruitment, delivery and data feasibility | Then decide efficacy-study design and budget |
- EFSA 2021: Scientific and technical guidance for health claim applications
- CONSORT 2016: Extension for randomised pilot and feasibility trials