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Functional, Cognitive, and Behavioral Correlates of Resistance Training During Tirzepatide-Induced Weight Loss (RESIST-MIND)

5 november 2026 uppdaterad av: Technical University of Munich

Functional, Cognitive, and Behavioral Correlates of Resistance Training During Tirzepatide-Induced Weight Loss in Adults With Obesity - An Ancillary Study to the RESIST Trial

This study is an ancillary study to the RESIST trial, in which adults with obesity receive the weight-loss medication tirzepatide and are randomly assigned to a structured resistance training program or to usual care for 24 weeks.

RESIST-MIND explores whether resistance training during tirzepatide treatment is associated with changes in attention and concentration, food-related thoughts ("food noise") and food craving, fatigue, sleep quality, everyday functioning, work ability, and motivation for exercise. It also explores whether preserving muscle mass and strength during weight loss is related to these changes. Participants complete questionnaires and a computer-based attention test at the start (Week 0) and at the end (Week 24) of the RESIST treatment period. No additional visits, interventions, or biological samples are part of this ancillary study.

Studieöversikt

Status

Har inte rekryterat ännu

Betingelser

Intervention / Behandling

Detaljerad beskrivning

RESIST-MIND is a prospective, observational, monocentric ancillary study conducted at the TUM Klinikum, Munich, Germany. Active participation in the RESIST trial (protocol code RESIST-26-HAL-0150-I; EU CT number 2026-526200-69-00) is a prerequisite for enrolment. RESIST is a randomized, controlled, open-label Phase IV trial evaluating a structured resistance training program versus usual care in 150 adults with obesity treated with tirzepatide (Mounjaro®) over 24 weeks. RESIST-MIND involves no investigational medicinal product, no intervention, and no randomization. Assignment to resistance training or usual care occurs exclusively within the RESIST trial.

RESIST-MIND adds validated self-administered questionnaires (MFI-20, PSQI, WHODAS 2.0 12-item, FNQ, FCQ-T-reduced, SSK scale; WAI and WPAI in working participants only) and the electronic d2-R Test of Attention at the RESIST baseline visit (V1, Week 0) and end-of-treatment visit (V7, Week 24). Muscle, strength, body composition, anthropometric and patient-reported data are obtained from the RESIST trial database. All endpoints are exploratory and equally ranked, defined as change from V1 to V7. Between-group differences (resistance training vs. usual care) are estimated using linear models adjusted for baseline. Associations between changes in body composition and changes in the ancillary endpoints are examined across both groups using correlation and multiple linear regression. No formal power calculation or multiplicity adjustment is performed.

Studietyp

Observationell

Inskrivning (Beräknad)

150

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

Studera Kontakt Backup

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år till 60 år (Vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Testmetod

Sannolikhetsprov

Studera befolkning

Participants of the RESIST trial at the TUM Klinikum, Munich:

adults aged 18-60 years with obesity (BMI ≥ 30 kg/m²) without manifest type 2 diabetes or structural cardiovascular disease, eligible for pharmacological weight-loss therapy and suitable for a structured resistance training program. Sufficient command of German is required.

Beskrivning

Inclusion Criteria:

  • Provisional eligibility for randomization into the RESIST trial (based on all RESIST screening assessments available at the time of informed consent for this ancillary study)
  • Written informed consent for this ancillary study

Exclusion Criteria:

  • Non-randomization into the RESIST trial for any reason

Key eligibility criteria of the RESIST trial (for context only; full criteria see RESIST protocol RESIST-26-HAL-0150-I):

  • Age 18-60 years
  • Obesity (BMI ≥ 30 kg/m²)
  • No manifest type 2 diabetes
  • No structural cardiovascular disease
  • Not pregnant or breastfeeding
  • Sufficient command of the German language

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Observationsmodeller: COHORT
  • Tidsperspektiv: PROSPECTIVE

Kohorter och interventioner

Grupp / Kohort
Intervention / Behandling
Resistance training + tirzepatide

RESIST participants randomized to the structured resistance training arm of the RESIST trial, receiving tirzepatide and individualized diet and physical activity counselling. Assignment occurs within RESIST, not within this ancillary study.
Beteende: Structured resistance training

Machine-based structured resistance training over 24 weeks (approx. 3 sessions per week), delivered within the RESIST trial (not part of this ancillary study). Progressive program with an acclimation phase (weeks 1-4) and a target phase (weeks 5-24; 8-12 repetitions at approx. 70-75% 1-RM, with additional eccentric overload from week 9). Sessions are intended to be fully supervised during the first 6 weeks whenever feasible, thereafter at least one supervised session after each interim visit; remaining sessions at the trial site or at partner fitness facilities.

Läkemedel: Tirzepatide

Once-weekly subcutaneous injection over 24 weeks, starting at 2.5 mg/week and increased by 2.5 mg every 4 weeks as tolerated up to a maximum of 10 mg/week, in accordance with the SmPC. Administered within the RESIST trial (not part of this ancillary study).
Usual care + tirzepatide

RESIST participants randomized to the usual care arm of the RESIST trial, receiving tirzepatide and individualized diet and physical activity counselling. Assignment occurs within RESIST, not within this ancillary study.
Läkemedel: Tirzepatide

Once-weekly subcutaneous injection over 24 weeks, starting at 2.5 mg/week and increased by 2.5 mg every 4 weeks as tolerated up to a maximum of 10 mg/week, in accordance with the SmPC. Administered within the RESIST trial (not part of this ancillary study).

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Change in concentration performance and processing speed
Tidsram: Baseline (Week 0) and end of treatment (Week 24)

Concentration performance and processing speed computed per the d2-R manual from the electronic administration.
Baseline (Week 0) and end of treatment (Week 24)
Change in food-related cognition
Tidsram: Baseline (Week 0) and end of treatment (Week 24)

Total score, calculated as the sum of all items.
Baseline (Week 0) and end of treatment (Week 24)
Change in trait food craving
Tidsram: Baseline (Week 0) and end of treatment (Week 24)

Total score, calculated as the sum of all items; higher scores indicate stronger trait food craving (worse outcome).
Baseline (Week 0) and end of treatment (Week 24)
Change in general functioning
Tidsram: Baseline (Week 0) and end of treatment (Week 24)

Total score, calculated as the sum of all items; higher scores indicate greater disability (worse outcome).
Baseline (Week 0) and end of treatment (Week 24)
Change in fatigue
Tidsram: Baseline (Week 0) and end of treatment (Week 24)

Five subscale scores (general fatigue, physical fatigue, reduced motivation, reduced activity, mental fatigue), each the sum of its four items; higher scores indicate more fatigue (worse outcome).
Baseline (Week 0) and end of treatment (Week 24)
Change in subjective sleep quality
Tidsram: Baseline (Week 0) and end of treatment (Week 24)

Global score (2-week recall), sum of the seven component scores, range 0-21, analysed as a continuous variable; higher scores indicate worse sleep quality. Analysed as a continuous variable.
Baseline (Week 0) and end of treatment (Week 24)
Change in work ability and work productivity - working participants only
Tidsram: Baseline (Week 0) and end of treatment (Week 24)

WAI items 1, 2, 6 and 7 (raw responses, analysed individually); WPAI scores: % absenteeism, % presenteeism, % work productivity impairment, % activity impairment. Working participants only.
Baseline (Week 0) and end of treatment (Week 24)
Change in self-concordance index of exercise motivation
Tidsram: Baseline (Week 0) and end of treatment (Week 24)

Self-concordance index of the Self-Concordance of Sport- and Exercise-related Goals scale (SSK), scored according to the original instructions. Higher scores indicate more self-concordant motivation.
Baseline (Week 0) and end of treatment (Week 24)

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Technical University of Munich

Utredare

  • Huvudutredare: Katharina Timper, Prof. Dr. med., Klinikum der Technischen Universität München (TUM Klinikum)
  • Huvudutredare: StephanStephan Müller-Stegner, Dr. rer. nat., Klinikum der Technischen Universität München (TUM Klinikum)

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Beräknad)

22 oktober 2026

Primärt slutförande (Beräknad)

31 juli 2027

Avslutad studie (Beräknad)

31 juli 2027

Studieregistreringsdatum

Först inskickad

17 oktober 2026

Först inskickad som uppfyllde QC-kriterierna

5 november 2026

Första postat (Faktisk)

10 november 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

10 november 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

5 november 2026

Senast verifierad

1 november 2026

Mer information

Termer relaterade till denna studie

Nyckelord

Ytterligare relevanta MeSH-villkor

Andra studie-ID-nummer

  • 2026-342-S-CT
  • RESIST-26-HAL-0150-I (Annan identifierare: TUM Klinikum - protocol code of parent trial RESIST)

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

NEJ

IPD-planbeskrivning

Individual participant data will not be shared outside the sponsor institution. Aggregated or fully anonymized data may be made available to researchers upon reasonable request to the Principal Investigators.

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

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