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NCT06860204
Weight Cut Stress: the Hidden Struggle Beyond Fight Day
trial in HRV in 25 participants. Completed in 10 November 2024.
10 November 2024
Quick facts
| Lead sponsor | Erzurum Technical University |
|---|---|
| Status | Completed |
| Study type | OBSERVATIONAL |
| Enrollment | 25 |
| Start date | 2 November 2024 |
| Primary completion | 10 November 2024 |
| Estimated completion | 10 November 2024 |
| Sites | 1 location across Turkey (Türkiye) |
Conditions studied
- HRV — all drugs for HRV →
- Psychological Adaptation — all drugs for Psychological Adaptation →
Sponsor
Erzurum Technical University
Who can join
Adults 16 to 35, male only, with HRV or Psychological Adaptation. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
This study investigated the effects of rapid weight-cutting on stress in elite kickboxers by analyzing Heart Rate Variability (HRV) and subjective stress levels using a Visual Analog Scale (VAS). Data were collected across seven time points: Weigh-in Morning, Pre-Weigh-in, Post-Weigh-in, Post-Weigh-in Meal, Match Day Morning, Pre-Match, and Post-Match. Participants were divided into a weight-cutting group (n = 12), who reduced at least 5% of their body weight within 48 hours before competition, and a control group (n = 13), who maintained regular training and nutrition. HRV was measured using Apple Watch photoplethysmography under real-world conditions during the Senior European Kickboxing Championship in Greece. Results showed consistently lower RMSSD, indicating sustained physiological stress in the weight-cutting group. Subjective stress levels were also higher in this group, peaking before the weigh-in and exceeding pre-match levels. A notable decrease in subjective stress was observed immediately after the weigh-in, attributed to psychological relief rather than physical recovery. However, low RMSSD persisted on match day, indicating incomplete physiological recovery despite stabilized subjective stress. The control group demonstrated stable HRV and VAS. These findings highlight the prolonged autonomic strain of rapid weight-cutting, emphasizing the need for careful management to safeguard athlete health and performance.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
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Cutting weight, gaining stress: the hidden battle that outweighs fight day tension in kickboxing.
Karababa B, Ulupınar S, Gençoǧlu C, Asan S, et al · · 2026 · PMID 41919118 · DOI 10.3389/fpsyg.2026.1762659
Verify or expand the search:
- PubMed search for NCT06860204
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT06860204 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Erzurum Technical University
- Last refreshed: 7 March 2025
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT06860204.
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