Clinical trials

11

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Condition / disease
Location
Status: Recruiting

COMMUNITY-BASED POWER TRAINING IN FALLER AND NON-FALLER OLDER ADULTS: A FEASIBILITY AND FALL RISK STUDY.

Aging leads to substantial alterations in the nervous and skeletal muscle systems that ultimately lead to a reduction in "neural drive" and motor performance. While maximal strength starts declining as early as 50 years of age, aging brings even greater reductions in rate of force development and muscle power, that has been shown to be a stronger predictor of functional independence and balance impairments. Falls are a major health concern as one third of adults over 65 years loses balance and falls every year, and based on a published report, the estimated health care costs associated with falls in the European Union is €25 billion. The ability to recover balance declines with aging, where older individuals often recover balance with a greater number of balance recovery steps and non-optimal stepping strategies. In addition, older adults have more difficulty recovering balance in the medio-lateral direction. The hip abductors are fundamental in controlling the motion of the body centre of mass in this direction during weight transfers of standing, stepping, and walking. Furthermore, these muscles appear to be more susceptible to age-related composition and performance declines than other muscles of the lower limbs, especially in individuals at a higher risk for falls. Unfortunately, common balance interventions, such as, functional balance training, Tai-Chi, or dance, have a very limited capacity to reduce the risk of falls in older adults. Interestingly, resistance training is relatively better than the mentioned interventions at reducing this problem. This may come about through mitigating the agerelated neuromuscular performance deficits. However, traditional resistance training lacks the emphasis in high velocity movements required for adequate fall prevention protective stepping strategies. Muscle power training is a safe and effective alternative to traditional resistance training. By emphasizing in maximum speed of execution, its results are often better than with traditional resistance training, especially in functional outcomes, with the potential to enhance balance recovery. However, there is little and inconsistent evidence on the optimal exercise parameters (such as velocity) for prevention of falls. Community-based multi-component exercise programs are often used to promote health and functional benefits in the older adult population. These programs not only have a positive impact in a larger number of communitydwelling individuals, but can also lead to significant improvements. Nonetheless, these programs limited in reducing the risk for falls. Considering the robust effects of muscle power training in the older population, it is conceivable that a multi-component community-based exercise intervention, that focuses on developing muscle power and reduce fall risk, can improve the older individuals' ability to recover balance and consequently, bring greater benefits to the older adult community. However, there is no information on the feasibility of conducting an exercise program to develop muscle power and reduce fall risk in a community-based setting. Furthermore, it is generally unknown if such an exercise intervention can improve function, balance, and reduce the occurrence of falls in older adults especially, among those that have fallen in the past- which are the most relevant target population for both clinical studies and practice.

Participants needed: 120
Trial details
Age: 65+Biological sex: AllType: InterventionalSponsor: University of MaiaUpdated: Jan 27, 2026Locations: 1
Eligibility criteria

Age between 65-85 years; [+1]

Any existing medical conditions or injuries which would affect the ability or sa... [+3]

Status: Not yet recruiting

Effects of Sulforaphane Supplementation on Athletic Performance

Considering the promising effects observed and the scarce and incipient scientific background of SFN in sports, the present study aims to evaluate the effects of SFN supplementation on fatigue, EIMD and recovery in trained individuals. In particular, outcomes such as time to exhaustion (TTE), and perceptual questionnaires of muscle soreness, recovery, and fatigue will be assessed, aiming to explore the effectiveness of SFN.

Participants needed: 20
Trial details
Age: 18-35Biological sex: AllType: InterventionalSponsor: University of MaiaUpdated: Jan 15, 2026
Eligibility criteria

Physically active individuals (engaging in exercise 3 or more times per week)

Individuals that experience musculoskeletal injuries or have experienced in the...

Status: Recruiting

Exercise in Hereditary ATTR (ATTRv) Amyloidosis

This study aims to explore the effects of a 12-week exercise intervention on the physical and mental health of people living with Hereditary ATTR (ATTRv) Amyloidosis, a rare genetic disease caused by mutations in the transthyretin gene, leading to the deposition of amyloid fibrils in nerves and organs.

Participants needed: 42
Trial details
Age: 18+Biological sex: AllType: InterventionalSponsor: University of MaiaUpdated: Jun 24, 2025Locations: 1
Eligibility criteria

ATTRv Amyloidosis patients living in Portugal; [+3]

Status: Not yet recruiting

Myocene Sensivity to Cycling Intensities

This study aims to address this gap by assessing LFF following different efforts in cycling, aiming to identify a pattern. Also, we expect that this study helps to clarify to which efforts (prolonged vs short) are more likely to trigger substantial changes in LFF responses.

Participants needed: 20
Trial details
Age: 18-35Biological sex: MaleType: InterventionalSponsor: University of MaiaUpdated: Apr 6, 2025
Eligibility criteria

Road cyclists

Injured or recently injured participants

Status: Not yet recruiting

Can Lower-body Occlusion Influence Sports Recovery?

This study ai ms to compare the recovery kinetics of different interventions: i) active recovery; ii) continuous vascular occlusion during active recovery; iii) intermittent vascular occlusion during active recovery; iv) control group.

Participants needed: 15
Trial details
Age: 17-23Biological sex: MaleType: InterventionalSponsor: University of MaiaUpdated: Apr 10, 2025
Eligibility criteria

soccer players [+2]

injured athletes [+1]

Status: Not yet recruiting

Test-retest Reliability of Myocene

The test retest reliability of Myocene will be tested.

Participants needed: 50
Trial details
Age: 18-40Biological sex: AllType: ObservationalSponsor: University of MaiaUpdated: Feb 17, 2025
Eligibility criteria

active individuals

injured participants [+1]

Status: Not yet recruiting

Influence of Acute Daily Workload Changes on Low-frequency Fatigue Morning Scores

In recent years, the increased demands of both training and competition have heightened the need of load monitoring among soccer players. However, adopting metrics that comprehensively capture the intricacies of neuromuscular fatigue remains a challenge. Assessing low-frequency fatigue may contribute to fill this gap, as it provides an objective measure to evaluate muscle function readiness. Thus, the aim of this study was to examine whether variability in low-frequency fatigue morning scores are related to training external load acute changes throughout the in-season microcycle.

Participants needed: 20
Trial details
Age: 16-21Biological sex: MaleType: ObservationalSponsor: University of MaiaUpdated: Nov 26, 2024
Eligibility criteria

elite soccer players

injured athletes

Status: Not yet recruiting

Emotion, Aging, and Forgiveness: Protocol for a Feasibility of Randomized Controlled Trial

Over recent decades, Emotion-Focused Therapy, aging, and forgiveness have garnered significant attention in the field of psychology. However, there is a lack of studies on Emotion-Focused Therapy and forgiveness specifically tailored for older adults. This article describes a protocol to assess the feasibility and acceptability of a Randomized Controlled Trial of Emotion-Focused Therapy for the resolution of emotional injury in individuals over the age of 65 in the context of interpersonal offenses. The study is structured as a two-arm, parallel-group randomized trial with a waiting list control. We propose recruiting a sample of 70 participants, randomly assigned to either an immediate intervention group, which will receive Emotion-Focused Therapy over twelve weekly sessions, or a control group that will receive the same therapy after a twelve-week waiting period. Data will be collected in the beginning, middle, and at the end of therapy, and in two planned follow-ups (three and six months after therapy). Once this protocol is implemented, if the therapy proves to be feasible, acceptable, and shows promising results, the findings will inform a large-scale randomized clinical trial to advance the understanding of psychotherapy.

Participants needed: 70
Trial details
Age: 65+Biological sex: AllType: InterventionalSponsor: University of MaiaUpdated: Nov 13, 2024Locations: 1
Eligibility criteria

Our eligibility criteria include being 65 years or older, having experienced an...

Exclusion criteria include reporting an offense which is less than a year old, s...

Status: Not yet recruiting

Time at VO2max During High-Intensity Interval Training

The project titled "Time at VO2max During High-Intensity Interval Training Manipulating Work and Rest" aims to investigate how different high-intensity interval training (HIIT) protocols influence the time athletes spend at or above 90% of their VO2max. By adjusting the work-to-rest ratios in the HIIT formats, the study seeks to determine which configurations maximize the time spent in this high-intensity zone, contributing to more effective endurance training strategies. The findings could help optimize training protocols for athletes targeting improvements in aerobic capacity and performance.

Participants needed: 10
Trial details
Age: 18+Biological sex: AllType: InterventionalSponsor: University of MaiaUpdated: Oct 15, 2024
Eligibility criteria

Middle and long distance track and field athletes

Injured athletes

Status: Recruiting

Associations Between Low Frequency Fatigue, Jump Height and Perceptual Measures of Muscle Soreness, Fatigue and Recovery

Over the recent years, the increased competitive demands in elite competitive athletes has sparked a heightened interest in monitoring fatigue. Given the nature of the soccer game, athletes may experience low-frequency fatigue. Until recently, this assessment was restricted to in-lab. However, the emergence of new instruments aiming to allow low-frequency assessment to be carried out on a daily basis, in the context of professional teams. This study aimed to analyze the recovery of low-frequency fatigue, jump height and perceptual responses following competition and investigate possible associations between the objective and subjective parameters.

Participants needed: 40
Trial details
Age: 16-21Biological sex: MaleType: ObservationalSponsor: University of MaiaUpdated: Jun 13, 2024Locations: 1
Eligibility criteria

Elite level youth soccer players, competing in the highest portuguese division

Older adults [+2]