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Testing Just-in-Time Adaptive Interventions (JITAIs) to Prevent Goal Disengagement in Response to Weight Regain (Momentum)

12 luglio 2026 aggiornato da: ORI Community and Evaluation Services
This trial will test the effectiveness of a weight loss maintenance intervention designed to help participants respond more adaptively to weight regain. Participants will be randomly assigned to one of two conditions. In one condition, participants will receive brief exercises (e.g., written reflections, videos) sent to through a smartphone app immediately after they regain weight or miss a weigh-in. These exercises will use mindfulness, acceptance, and self-compassion strategies to help participants stay motivated for their long term goals, even when weight regain feels demoralizing. In the comparison condition, participants will receive weekly reminders of standard weight control strategies strategies.

Panoramica dello studio

Stato

Reclutamento

Condizioni

Intervento / Trattamento

Tipo di studio

Interventistico

Iscrizione (Stimato)

120

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

  • Nome: Charlotte Hagerman, PhD
  • Numero di telefono: 14109372035
  • Email: chagerman@ori.org

Luoghi di studio

  • Stati Uniti
    • Oregon
      • Springfield, Oregon, Stati Uniti, 97477
        • Reclutamento
        • Oregon Research Institute Community and Evaluation Services
        • Contatto:

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Descrizione

Inclusion Criteria:

  • Ages 18-70 years
  • BMI of 25-50 kg/m2
  • Current weight is 3% lower than their highest weight in the past 3 years
  • Desire to maintain their weight or lose more
  • Ability to engage in PA, as defined as being able to walk two full city blocks without stopping
  • Smartphone and Internet access
  • Successful completion of all enrollment procedures
  • Ability to attend a workshop(s) on a Monday or Tuesday evening

Exclusion Criteria:

  • History of bariatric surgery
  • History of being diagnosed with an eating disorder
  • Currently pregnant, breastfeeding, or planning to become pregnant in the next 24 months
  • Enrolled in another formal weight loss/weight maintenance program
  • Currently taking a GLP-1 medication.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: JITAI Condition
Participants in this condition will receive a 6-month weight loss maintenance intervention that uses mindfulness, acceptance, and self-compassion strategies to respond to weight regain.
Comportamentale: JITAI Combined with psychological intervention
For six months, participants will receive a just-in-time adaptive interventions via a smartphone app immediately after they gain weight or they skip a weigh-in (according to a specific algorithm). Interventions will engage participants in mindfulness, acceptance, and self-compassion-based (MASC) strategies through different modalities (e.g., writing exercises, videos, audio reflections). They will take approximately 1-10 minutes. Participants will also attend an introductory workshop, during which they will receive the instructions weigh daily, learn the importance of quickly responding to weight regain, and be introduced to MASC strategies. They will also attend two booster workshops during the 6-month period.
Comparatore attivo: Active Control Condition
Participants in this condition will receive minimal intervention designed to reflect "usual care" for weight loss maintenance.
Comportamentale: Active Control
For six months, participants will receive weekly, automated messages via a smartphone app with reminders of standard behavioral weight control principles. Participants will attend an introductory workshop, during which they will receive instructions to weigh daily and learn the importance of responding to weight regain.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
State negative affect
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Through ecological assessment surveys, participants will respond to a single item measuring their current negative affect.
Whenever participants skip a weigh-in or regain weight during the 6 month study period
State shame
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Through ecological assessment surveys, participants will respond to a single item measuring their current shame.
Whenever participants skip a weigh-in or regain weight during the 6 month study period
State Motivation
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Through ecological assessment surveys, participants will respond to a single item measuring their current feelings of motivation.
Whenever participants skip a weigh-in or regain weight during the 6 month study period
State Self-Efficacy
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Through ecological assessment surveys, participants will respond to a single item measuring their current self-efficacy.
Whenever participants skip a weigh-in or regain weight during the 6 month study period
Current confidence in the effectiveness of weight control behaviors
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Through ecological assessment surveys, participants will respond to a single item measuring their current confidence in the effectiveness of weight control behaviors.
Whenever participants skip a weigh-in or regain weight during the 6 month study period
State self-compassion
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Through ecological assessment surveys, participants will respond to a single item measuring their state self-compassion.
Whenever participants skip a weigh-in or regain weight during the 6 month study period
State mindfulness
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Through ecological assessment surveys, participants will respond to a single item measuring their state mindfulness.
Whenever participants skip a weigh-in or regain weight during the 6 month study period
State acceptance
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Through ecological assessment surveys, participants will respond to a single item measuring their state acceptance.
Whenever participants skip a weigh-in or regain weight during the 6 month study period
Self-serving interpretation of weight gain
Lasso di tempo: Whenever participants regain weight during the 6 month study period
Through ecological assessment surveys, participants will respond to a single item measuring their self-serving interpretation of the weight regain.
Whenever participants regain weight during the 6 month study period
Daily Calorie Tracking (Yes/No)
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Whether participants log their calories (at least 800 calories) using a dietary tracking app that day (yes/no).
Whenever participants skip a weigh-in or regain weight during the 6 month study period
Daily MVPA
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Minutes of moderate-to-vigorous physical activity they engage in that day, as tracked by their Fitbit band.
Whenever participants skip a weigh-in or regain weight during the 6 month study period
Likelihood of weighing in the following day
Lasso di tempo: Whenever participants skip a weigh-in or regain weight during the 6 month study period
Likelihood that participants weigh themselves the following day on a wireless smart scale (yes/no).
Whenever participants skip a weigh-in or regain weight during the 6 month study period
Weight change
Lasso di tempo: End of treatment (6 months after baseline)
Using participants' weights from a wireless scale, we will calculate their percent weight change from the beginning to the end of the study period.
End of treatment (6 months after baseline)
Intervention acceptability
Lasso di tempo: End of treatment (6 months after baseline)
We will record the percent of participants who indicate that they are "satisfied" or "very satisfied" with the program on an anonymous survey that they complete during their individual interview.
End of treatment (6 months after baseline)
Calorie Tracking Frequency
Lasso di tempo: 6 months (duration of study period)
The number of days that participants logged their calories (at least 800 calories) using a dietary tracking app during the study period.
6 months (duration of study period)
Average Weekly MVPA
Lasso di tempo: 6 months (duration of study period)
Average total minutes of weekly moderate-to-vigorous physical activity, as tracked by their Fitbit band, during the study period.
6 months (duration of study period)
Frequency of Weighing In
Lasso di tempo: 6 months (duration of study period)
Total number of days that participants weighed themselves on a wireless smart scale during the study period.
6 months (duration of study period)

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Mindfulness (Hypothesized intervention mediator)
Lasso di tempo: Mid-Treatment (3 months after baseline)
Participants will self-report their mindfulness using the present moment awareness subscale of the Philadelphia Mindfulness Scale.
Mid-Treatment (3 months after baseline)
Acceptance (Hypothesized intervention mediator)
Lasso di tempo: Mid-Treatment (3 months after baseline)
Participants will self-report their mindful acceptance using the acceptance subscale of the Philadelphia Mindfulness Scale.
Mid-Treatment (3 months after baseline)
Self-compassion (Hypothesized intervention mediator)
Lasso di tempo: Mid-Treatment (3 months after baseline)
Participants will report their self-compassion using the State Self-Compassion Scale.
Mid-Treatment (3 months after baseline)

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

ORI Community and Evaluation Services

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

1 luglio 2026

Completamento primario (Stimato)

31 dicembre 2027

Completamento dello studio (Stimato)

31 dicembre 2027

Date di iscrizione allo studio

Primo inviato

12 luglio 2026

Primo inviato che soddisfa i criteri di controllo qualità

12 luglio 2026

Primo Inserito (Effettivo)

16 luglio 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

16 luglio 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

12 luglio 2026

Ultimo verificato

1 luglio 2026

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • K01HL172254 (Sovvenzione/contratto NIH degli Stati Uniti)

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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