Cognitive Impairment

194

Review clinical trials related to Cognitive Impairment. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Recruiting

A Primary Care-Based Psychosocial Intervention To Improve Cognitive & Depression Outcomes in Older Adults With MCI & Early Stage AD

The purpose of the study is to examine the effect of Problem Adaptation Therapy for Pain (PATH-Pain) on cognitive functioning, depression and pain-related disability in 100 older adults with cognitive impairment, chronic pain, and depression. The study will test if PATH-Pain has better cognitive, affective, and functional outcomes than Attention Control Usual Care.

Participants needed: 100
Trial details
Age: 60+Biological sex: AllType: InterventionalSponsor: Weill Medical College of Cornell UniversityUpdated: Aug 20, 2026Locations: 1
Eligibility criteria

Age ≥ 60 years old [+7]

Deemed to have a significant suicide risk as assessed by site PI and clinical te... [+4]

Status: Recruiting

Cognitive Impairment in Colorectal Cancer Patients Receiving Cytotoxic Chemotherapy

The purpose of this research study is to see how the brain changes in patients receiving chemotherapy (cytotoxic drug) treatment for colon or rectal cancer at Parkview Cancer Institute. This information will be used to identify helpful tests to diagnose individuals at risk for developing difficulties with thinking and memory due to their cancer treatments.

Participants needed: 60
Trial details
Age: 18+Biological sex: AllType: ObservationalSponsor: Joseph McCollomUpdated: Aug 14, 2026Locations: 1
Eligibility criteria

Signed written informed consent must be obtained and documented according to Int... [+3]

Prior administration of anti-cancer chemotherapy, radiotherapy, immunotherapy, o... [+6]

Status: Recruiting

ME/CFS Brain Fog: Cognitive Rehabilitation Trial

The purpose of this study is to compare two approaches to cognitive rehabilitation in adults with post-viral cognitive syndrome, which resulted in brain fog. All participants will be screened for eligibility prior to participation. Most of the procedures will take place over a phone call or secure telehealth platform (i.e., Zoom). However, participants will be asked to visit UAB on three occasions for blood sample collection and brain imaging (about 2 hours each). Online testing will happen one month before treatment, one day before treatment, one day afterwards, and 6 months afterwards. The study will utilize two different forms of rehabilitation training to improve participants' cognitive ability. Participants will be randomized to one of the two treatment groups. The first treatment approach, known as Constraint-Induced Cognitive Therapy (CICT), will feature (A) web-based computer "games" that trains how quickly individuals process information that they receive through their senses; (B) online training on everyday activities with important cognitive components, (C) procedures designed to transfer improvements in cognition from the treatment setting to everyday life, and (D) a non-invasive form of vagus nerve stimulation, also known as trans-auricular VNS (taVNS). The second approach, known as Brain Fitness Training (BFT), will include (A) web-based computer "games" that train reaction time and eye-hand coordination; (B) in-lab training on relaxation, breathing, healthy nutrition, and healthy sleep, (C) education about how relaxation, breathing, nutrition, and sleep are connected to thinking effectiveness, and (D) taVNS. Approximately 30 hours of training will be conducted over a secure telehealth platform (i.e., Zoom) in the span of two- to four- weeks. A typical CICT session will consist of one hour of gaming, with the bulk of the session being spent on cognitive training of the target behaviors and procedures designed to promote transfer of therapeutic gains to daily life. ta-VNS will be administered for 10 minutes before gaming and in-lab target behavior training. A typical BFT session will consist of one hour of gaming, training on healthy lifestyle behaviors (i.e., healthy sleep, nutrition, and relaxation habits), as well as procedures designed to promote transfer of behavior changes to daily life. Ta-VNS will be administered for 10 minutes before gaming and in-lab target behavior training. Training sessions in both conditions will be scheduled based on participants' availability, with the options for sessions scheduled to be as close as every weekday over 2 weeks or as loosely as every other weekday (i.e., over a 4-week span). If a caregiver is available, they will receive training on how to best support participants in their therapeutic program. After the training ends, both groups will receive 4 follow-up phone calls approximately one week apart to promote integration of the gained skills into everyday life. Outcomes measured will include cognitive processing speed, cognitive function on laboratory tests, and spontaneous performance of everyday activities with important cognitive components in daily life.

Participants needed: 30
Trial details
Age: 18+Biological sex: AllType: InterventionalSponsor: University of Alabama at BirminghamUpdated: Aug 14, 2026Locations: 1
Eligibility criteria

diagnosis of ME/CFS that preceded cognitive complaints [+12]

cognitive impairment due to a developmental disability, psychiatric disorder, or... [+13]

Status: Recruiting

Multimodal Assesment of Alzheimer Patients

The goal of this study is to learn more about the changes in the brains of patients with cognitive impairment (MCI) and Alzheimer's Disease (AD). The main questions the study aims to answer are: 1. What findings can be used to earlier detect patients that will develop Alzheimers? 2. Which differences are seen between healthy and cognitively impaired patients? 3. Which differences are seen between patients with Alzheimers disease? Participants will undergo: * Cognitive tests * Magnetic resonance imaging (MRI) * Electroencephalography (EEG) * Blood sample collection * Fecal sample collection * A randomized group will undergo polysomnography analysis.

Participants needed: 60
Trial details
Age: 65+Biological sex: AllType: ObservationalSponsor: Norwegian University of Science and TechnologyUpdated: Aug 13, 2026Locations: 1Duration: 5 Years
Eligibility criteria

MCI and AD according to relevant ICD-criterias. [+1]

Uneligibility for any of the planned neuroimagery devices (MRI, EEG) [+6]

Status: Not yet recruiting

Examining the Role of Tolerance on Dose-dependent Effects of Acute THC on Oculomotor and Cognitive Performance

The purpose of this research is to determine the extent to which oculomotor function accurately detects THC-impairment, if cannabis use experience impacts this detection threshold, and to examine how the oculomotor index corresponds to a measure of sustained attention. A double-blind, placebo-controlled, within-subjects crossover design will be used to examine the dose-effects of THC (0, 5mg, 30mg) on oculomotor performance tasks and a sustained attention task in frequent and infrequent cannabis users. Results from the study will advance the investigators' understanding of the effect of THC and cannabis use frequency on oculomotor function and sustained attention, and will directly inform the validity of the investigators' oculomotor platform for identifying acute THC- induced impairment in frequent and infrequent users.

Participants needed: 40
Trial details
Phase: Phase 1Age: 18-60Biological sex: AllType: InterventionalSponsor: Johns Hopkins UniversityUpdated: Aug 14, 2026Locations: 1
Eligibility criteria

Inclusion criteria: Healthy non-treatment seeking adults (age 18 to 60, N = 40)... [+2]

(1) meet DSM-V criteria for substance use disorders other than tobacco, cannabis... [+6]

Status: Recruiting

Improving Self-Care of Caregivers of Adults in Homecare With Heart Failure and Cognitive Impairment

This RCT design will enroll 256 informal caregivers (spouse/partner or child) of HHC patients with HF/CI and 60 patients with HF and mild to moderate CI (60 dyads). After collecting baseline data, we will block randomize the caregivers 1:1 to the ViCCY intervention or comparator group, stratifying randomization by caregiver sex (male/female), relationship (spouse/partner or child), and race (white/other)- factors known to influence caregiving burden, perceived stress, and receptivity to the intervention. We will encourage caregivers to use their own devices but provide tablet devices with wireless network access if needed. The intervention group will receive 10 sessions of ViCCY over 6 months.

Participants needed: 316
Trial details
Age: 18-101Biological sex: AllType: InterventionalSponsor: Visiting Nurse Service of New YorkUpdated: Aug 12, 2026Locations: 1
Eligibility criteria

Patient Inclusion Criteria [+16]

Patient Exclusion Criteria [+4]

Status: Recruiting

Early Age-Related Hearing Loss Investigation (EARHLI)

Early Age-Related Hearing Loss Investigation (EARHLI) is a single site study that will randomize late middle age adults to either a hearing intervention (including hearing aids) or a health education intervention. Participants will be followed for 1 year. This study will provide information on reducing cognitive decline in those at risk for Alzheimer's Disease and Alzheimer's Disease Related Dementias (AD/ADRD).

Participants needed: 150
Trial details
Age: 55-75Biological sex: AllType: InterventionalSponsor: Columbia UniversityUpdated: Aug 12, 2026Locations: 1
Eligibility criteria

Age 55-75 years of age [+7]

Self-reported congenital hearing loss, known genetic mutation-related hearing lo... [+7]

Status: Recruiting

Comparative Evaluation of Immediate vs Progressive Standing Dual Task Training in Elderly With Mild and Moderate Cognitive Impairment

older adults with mild and moderate cognitive impairment. compare immediate vs progressive standing dual-task training. assess balance, cognition, executive function, mobility, and quality of life.

Participants needed: 96
Trial details
Age: 55-90Biological sex: AllType: InterventionalSponsor: Shifa Tameer-e-Millat UniversityUpdated: Aug 13, 2026Locations: 1
Eligibility criteria

Not listed

Status: Recruiting

Reliability In Neurocognitive Telemedicine Screening (RING)

Perioperative neurocognitive disorders are common after surgery and pre-existing cognitive impairment is an important risk factor. Current guidelines recommend identifying cognitive impairment before surgery; however, screening remains inconsistent, particularly when preoperative assessments are performed remotely. This prospective observational diagnostic validation study aims to determine whether a modified Mini-Cog cognitive screening tool administered by telephone can reliably identify cognitive impairment in patients aged 65 years and older undergoing preoperative assessment. Telephone-based modified Mini-Cog results will be compared with standard in-person Mini-Cog assessments to evaluate agreement and feasibility. This study may improve access to preoperative cognitive screening and support optimization of surgical care for older adults.

Participants needed: 300
Trial details
Age: 65+Biological sex: AllType: ObservationalSponsor: University of British ColumbiaUpdated: Aug 12, 2026Locations: 1
Eligibility criteria

Patients with age >65 at time of listing for pre-operative assessment. [+3]

Status: Recruiting

TDCS to Improve Post-Stroke Cognitive Impairment

The investigators will conduct a randomized, double-blinded, sham-controlled trial of approximately 60 patients with minor stroke and post-stroke mild cognitive impairment (psMCI). Participants will be individually randomized on enrollment using a random number generator to treatment with anodal tDCS + computerized cognitive treatment (CCT) versus sham + CCT (approximately 30 patients in each arm). Clinical evaluation including assessment of cognition will be performed pre- and post-intervention by individuals on the study team blinded to the participant's intervention. Participants will also undergo functional neuroimaging with magnetoencephalography (MEG) pre- and post-intervention (1, 3, and 6 months post-stroke to evaluate for initial and longer-term effects of treatment on cerebral activation patterns and functional connectivity). Neuroimaging and clinical outcomes will be assessed to determine the effect of tDCS versus sham + CCT on psMCI.

Participants needed: 60
Trial details
Age: 18-100Biological sex: AllType: InterventionalSponsor: Johns Hopkins UniversityUpdated: Aug 10, 2026Locations: 1
Eligibility criteria

Adults (≥18 years) presenting with neurological symptoms due to acute ischemic s... [+4]

Primary intracerebral hemorrhage- as evidenced by blood on head CT or MRI. [+8]

Status: Recruiting

Living Independence Through Functional Training

The purpose of the research is to evaluate the feasibility and benefits of a six-week hybrid task-oriented resistance exercise program for older adults who have been recently discharged from home health care.

Participants needed: 15
Trial details
Phase: Phase 1, Phase 2Age: 65-90Biological sex: AllType: InterventionalSponsor: University of FloridaUpdated: Jul 31, 2026Locations: 2
Eligibility criteria

between the ages of 65 and 90 years [+6]

plan to receive skilled rehabilitation services [+10]

Status: Recruiting

Early Cognitive Interventions in Digital Format for Cancer Survivors

The aim of this study is to evaluate the usability and effectiveness of two professionally supervised home-based cognitive training interventions as part of an early rehabilitation protocol for cancer-related cognitive impairment. Participants will be randomized to one of the two intervention arms (computerized cognitive intervention or virtual reality cognitive intervention) or to the control group. Participants of the intervention groups will be assessed before and after the 10 weeks intervention or at equivalent time points for the control group. Comparisons between experimental and control participants, and between the participants in the two intervention arms, will be carried out to see which intervention is most effective and accepted.

Participants needed: 110
Trial details
Age: 18+Biological sex: AllType: InterventionalSponsor: Biogipuzkoa Health Research InstituteUpdated: Jul 28, 2026Locations: 3
Eligibility criteria

Patients over 18 years of age diagnosed with cancer (stage I-III) [+4]

Previous history of cancer diagnosis [+9]

Status: Recruiting

Delirium and Cognitive Impairment Development in Hospitalized Older Adults Under Isolation Conditions

The goal of this observational study is to examine if older patients who need to be under isolation precautions due to multidrug resistant bacteria or other reasons have an increased risk of suffering from delirium or cognitive decline compared to older patients without isolation precautions. To compare this, every person under isolation precautions is compared to other persons of the same age, gender, comorbidities, frailty status and hospital department. Delirium is assessed twice daily with a screening tool named 3D-CAM and cognitive performance is tested by the MOCA-Test six weeks after discharge from hospital and compared to baseline values which are assessed directly after study enrollment. The study duration for each patient participating is from the time of enrollment during hospitalization until 6 weeks after hospital discharge.

Participants needed: 404
Trial details
Age: 70+Biological sex: AllType: ObservationalSponsor: Universitätsklinikum Hamburg-EppendorfUpdated: Jul 23, 2026Locations: 1
Eligibility criteria

hospitalized patients [+2]

no informed consent [+2]

Status: Not yet recruiting

Structural and Clinical Predictors of Cognitive Impairment After Surgical Treatment for Ruptured Cerebral Aneurysms

This study investigates the clinical and structural predictors of long-term cognitive impairment in patients who underwent microsurgical clipping for aneurysmal subarachnoid hemorrhage. Using a retrospective cohort with prospective neuropsychological and MRI assessments, it aims to identify factors associated with late cognitive deficits and improve prognostic stratification, rehabilitation planning, and long-term patient care.

Participants needed: 150
Trial details
Biological sex: AllType: ObservationalSponsor: University of Campinas, BrazilUpdated: Jul 23, 2026Locations: 1
Eligibility criteria

Age ≥18 years at the time of aSAH. [+3]

Non-aneurysmal subarachnoid hemorrhage. [+7]

Status: Recruiting

Blood Tests for Alzheimer's Disease: Can Plasma Biomarkers Diagnose and Predict Disease Progression

BLAD is a prospective, monocentric, observational epidemiological study with an additional procedure (annual blood draw) evaluating the diagnostic and prognostic performance of plasma biomarkers for Alzheimer's disease (AD) in a large cohort of patients attending the Cognitive Disorders and Dementia Center (CDCD) at IRCCS San Raffaele Hospital, Milan, Italy. 2000 patients will be enrolled and followed annually for 5 years. A validation sub-study (150 patients) will compare plasma biomarkers against CSF biomarkers as the gold standard. The study aims to establish plasma biomarkers as a less invasive and more cost-effective alternative to CSF analysis and amyloid-PET for the diagnosis and prognosis of AD.

Participants needed: 2,000
Trial details
Age: 40+Biological sex: AllType: ObservationalSponsor: IRCCS San RaffaeleUpdated: Jul 21, 2026Locations: 1
Eligibility criteria

Age greater than or equal to 40 years (patients of childbearing age are admitted... [+3]

Secondary forms of cognitive impairment based on medical history, neurological e... [+7]

Status: Recruiting

Feasibility and Acceptability of StimolIrpinia for Cognitive Rehabilitation After Severe Acquired Brain Injury

This single-center pilot study evaluates the feasibility, acceptability, usability, and preliminary stimulus validation of StimolIrpinia, a multimedia repository of culturally and territorially relevant autobiographical stimuli designed to support cognitive rehabilitation activities in patients with severe acquired brain injury (sABI). The repository includes images, videos, maps, local cultural information, and printable materials related to the Irpinia area in Campania, Italy. Healthy adult volunteers will review the stimuli for their ability to evoke autobiographical memories, familiarity, emotional activation, and pleasantness. Hospitalized patients with sABI will complete six 30-minute StimolIrpinia-supported rehabilitation sessions over two weeks in addition to their routine comprehensive rehabilitation program. Rehabilitation professionals will receive standardized training and will use the repository to personalize cognitive rehabilitation exercises. Usability and acceptability will be evaluated from both patient and operator perspectives.

Participants needed: 10
Trial details
Age: 18-75Biological sex: AllType: InterventionalSponsor: Alfonso MagliacanoUpdated: Jul 21, 2026Locations: 1
Eligibility criteria

Level of Cognitive Functioning (LCF) score >= 5 at study entry. [+5]

Age >= 18 years. [+2]

Status: Recruiting

Effects of Accelerated rTMS on Cognitive Function

Cognitive impairment, including mild cognitive impairment (MCI) and mild dementia, is a growing public health challenge with limited effective treatment options. Repetitive transcranial magnetic stimulation (rTMS) is a non-invasive neuromodulation technique that has shown promise for improving cognitive function, but most studies have used conventional protocols and relied on global screening tools that may not capture domain-specific changes. The purpose of this study is to evaluate the efficacy and tolerability of repetitive transcranial magnetic stimulation (rTMS) delivered via the EXOMIND™ device (BTL-699-2) for improving cognitive function in adults aged 50 to 90 years with mild to moderate cognitive impairment. The study asks whether a course of 6 rTMS sessions targeting the left dorsolateral prefrontal cortex, administered twice weekly over approximately 3 weeks, can produce meaningful and sustained improvements in global and domain-specific cognitive function over a 3-month follow-up period. This is a single-center, open-label, prospective pilot study enrolling 80 participants with documented cognitive decline (Montreal Cognitive Assessment \[MoCA\] score 10-25). Participants will receive 6 sessions of high frequency rTMS (6,300 pulses per session at alternating frequencies of 12, 15, and 18 Hz) over approximately 3 weeks. The primary outcome is the change from baseline in MoCA score at 1-month follow-up. Secondary outcomes include changes in MoCA score at post-treatment and 3-month follow-up, changes in domain-specific cognitive measures (visual spatial working memory, episodic memory, deductive reasoning, mental rotation, verbal short term memory, and attention) assessed by the Creyos cognitive battery, and changes in depressive symptoms measured by the Patient Health Questionnaire-9 (PHQ-9). Assessments are performed at baseline, post treatment, 1-month follow-up, and 3-month follow-up. Total study duration per participant is up to 139 days.

Participants needed: 80
Trial details
Age: 50-90Biological sex: AllType: InterventionalSponsor: San Francisco Neurology and Sleep CenterUpdated: Jul 17, 2026Locations: 1
Eligibility criteria

Subject must be 50 to 90 years of age, inclusive, on the day of signing informed... [+11]

Electronic implants in or near the head - rTMS devices are contraindicated for u... [+21]

Status: Recruiting

Effect of NAC on Preventing Chemo-Related Cognitive Impairments in Ovarian Ca Pts Treated W/ PBT

This is a phase I, dose-escalation and phase II dose-expansion clinical trial determining the maximum tolerated dose (MTD) and safety and tolerability of adding N-Acetyl-Cysteine (NAC) to ovarian cancer patients who are receiving a platinum-based therapy (PBT). This study will investigate whether NAC will mitigate chemotherapy-related cognitive impairment (CRCI).

Participants needed: 102
Trial details
Phase: Phase 1, Phase 2Age: 18+Biological sex: FemaleType: InterventionalSponsor: University of California, IrvineUpdated: Jul 17, 2026Locations: 1
Eligibility criteria

Histologic or pathologic diagnosis of stage III-IV epithelial ovarian, fallopian... [+11]

Prior history of any cancer (other than non-melanoma skin cancer) [+11]

Status: Recruiting

Efficacy and Safety of Canagliflozin in the Treatment of Type 2 Diabetes With Mild Cognitive Impairment

The prevalence of cognitive dysfunction in diabetic patients is high, which seriously affects the quality of life of patients, and early intervention is of great significance. Central nervous system insulin resistance plays a key role in the pathogenesis of cognitive dysfunction in diabetic patients. Central insulin resistance observed by functional magnetic resonance imaging (fMRI), may serve as an alternative endpoint for assessing cognitive function. Sodium glucose cotransporter 2 inhibitor (SGLT2i) may improve cognitive impairment by improving central insulin resistance.

Participants needed: 60
Trial details
Phase: Phase 4Age: 40-75Biological sex: AllType: InterventionalSponsor: Fudan UniversityUpdated: Jul 17, 2026Locations: 1
Eligibility criteria

age: 40-75 years old; [+3]

left-handedness; [+9]

Status: Not yet recruiting

Eye-Movement Intervention for Cognitive Impairment Across Schizophrenia Spectrum

The goal of this clinical trial is to determine whether a gamified eye-movement intervention can improve cognitive function in individuals across the schizophrenia spectrum, including clinical high-risk individuals, first-episode schizophrenia patients, and chronic schizophrenia patients. The main questions it aims to answer are: * Does eye-movement training improve cognitive performance measured by the MATRICS Consensus Cognitive Battery (MCCB)? * Does eye-movement training improve oculomotor functions and clinical symptoms across different illness stages? Researchers will compare an eye-movement intervention group with an active control group receiving matched finger-controlled game training to determine whether the eye-movement intervention produces greater improvements in cognitive function and eye-movement performance. Participants will: * Receive either gamified eye-movement training or matched finger-controlled game training for 4 weeks. * Complete cognitive assessments using the MCCB before and after the intervention. * Complete standardized eye-tracking tasks, including fixation stability, smooth pursuit, antisaccade, and free-viewing tasks, to evaluate changes in oculomotor control and visual exploration patterns. * Complete clinical symptom assessments using SOPS or PANSS according to illness stage.

Participants needed: 160
Trial details
Age: 15-45Biological sex: AllType: InterventionalSponsor: Shanghai Mental Health CenterUpdated: Jul 14, 2026
Eligibility criteria

Age between 15 and 45 years. [+9]

IQ <70. [+4]

Status: Recruiting

Orthopedic Procedures and Postoperative Delirium in Older Adults in the Czech Republic

This multicenter, prospective, non-interventional observational study (ORTOPODCZ) investigates the association between preoperative cognitive impairment and postoperative delirium (POD) in older adults undergoing elective total hip arthroplasty in the Czech Republic. Postoperative delirium is a frequent and serious neurocognitive complication in senior surgical patients and is associated with increased morbidity, mortality, prolonged hospitalization, and impaired functional and cognitive outcomes. Despite international recommendations, routine preoperative cognitive screening remains insufficiently implemented. The study evaluates the predictive value of the ALBA test, a brief cognitive screening tool, performed during the pre-anesthetic assessment. Postoperative delirium will be assessed using the validated CAM-ICU instrument for up to 72 hours after surgery. Secondary objectives include assessing the relationship between POD and frailty, polypharmacy, comorbidities, type of anesthesia, intraoperative hemodynamics, blood loss, vasoactive support, and postoperative complications. Approximately 300-400 participants aged ≥65 years will be enrolled across seven centers. No additional procedures, biological sampling, or deviations from standard clinical care are required. Data will be collected in REDCap and analyzed according to a predefined statistical analysis plan. The study aims to provide robust evidence supporting the integration of cognitive screening into routine preoperative evaluation and to describe feasibility and implementation requirements for the ALBA test in clinical practice.

Participants needed: 400
Trial details
Age: 65+Biological sex: AllType: ObservationalSponsor: Tomas Bata Hospital, Czech RepublicUpdated: Jul 9, 2026Locations: 7
Eligibility criteria

Age ≥ 65 years [+4]

Glasgow Coma Scale ≤ 14 [+7]

Status: Recruiting

Efficacy of Bright Light Therapy on Cognitive Impairment in Major Depressive Disorder and Its Neuroimaging Mechanisms: Protocol for a Randomised Controlled Trial

This study aims to validate the therapeutic efficacy and safety of bright light therapy (BLT) in ameliorating cognitive impairment (CI) in major depressive disorder (MDD), characterize the functional and structural features of the hippocampus (HPC)-dorsolateral prefrontal cortex (dlPFC) neural circuitry in MDD participants with CI and examine the mediating effect of the HPC-dlPFC neural circuit on CI induced by BLT treatment in MDD participants. MDD participants will be required to only receive selective serotonin reuptake inhibitors (SSRIs) as monotherapy for at least four weeks, or medication-free status before enrollment. Eligible participants will be randomly assigned to the experimental group and the control group. The experimental group will receive the intervention of BLT, and the control group will receive the intervention of dim red light (DRL). The intervention will last for four weeks, 6 days per week, with 40 minutes each day between 7 am and 10 am. The MDD participants will be followed once in the end of each week during the 4-week intervention and in the end of the 4th week after intervention. Demographic information will be collected at baseline; cognitive function will be evaluated at baseline, weeks 2, 4, and 8 after intervention beginning; and other symptoms such as depression, anxiety and sleep were assessed at baseline, weeks 1, 2, 3, 4, and 8 after intervention beginning. Moreover, structural and functional MRI scans will be made at baseline and post-intervention. During the intervention, MDD participants will be required to keep a record of daily light exposure duration and complete the daily sleep diary as well.

Participants needed: 120
Trial details
Age: 18-60Biological sex: AllType: InterventionalSponsor: Peking University Sixth HospitalUpdated: Jul 6, 2026Locations: 2
Eligibility criteria

MDD diagnosis according to the Diagnostic and Statistical Manual of Mental Disor... [+32]

Status: Recruiting

Methylphenidate to Address Attention and Executive Deficits Among Children With Sickle Cell Disease

The purpose of this study is to determine if patients with sickle cell disease (SCD) can consistently take a drug called Methylphenidate (MPH) daily, once a day for 4 weeks to help with any thinking, attention or schoolwork problems and if they have any side effects. The study will assess any thinking or attention problems participants may have both before taking this drug and after. Additionally, the study will assess the decision-making process of the caregiver that may influence using this drug or not. Primary Objective: • Assess the feasibility, acceptability, and adherence to MPH treatment in children with SCD and EF deficits. Secondary Objective: • Evaluate neurobehavioral and safety outcomes following MPH treatment. Exploratory Objective: • Evaluate decision-making and determinants influencing methylphenidate utilization among parents.

Participants needed: 72
Trial details
Phase: Phase 1Age: 8-17Biological sex: AllType: InterventionalSponsor: St. Jude Children's Research HospitalUpdated: Jul 6, 2026Locations: 1
Eligibility criteria

Diagnosed with SCD of any genotype [+12]

Primary language other than English [+21]

Status: Recruiting

Brain Health in Breast Cancer Survivors

Endocrine therapy (ET) is widely used to treat hormone receptor positive breast cancer and prevent recurrence by downregulating estrogen function. However, ETs readily cross the blood brain barrier and interfere with the action of estrogen in the brain. Estrogen supports cognition and menopausal status is closely linked to cognitive health in women. This has raised concern that anti-estrogen ETs may affect cognition and brain health in breast cancer survivors. However, evidence across existing studies is inconsistent and these effects remain poorly understood. The incomplete understanding of the effects of ET are likely due to limitations of earlier studies - namely, the under-appreciation of the role of menopausal status and insensitivity of standard cognitive measures. This research project will address these earlier limitations by specifically comparing ET effects by menopausal status, and using highly sensitive, task-related functional magnetic resonance imaging (fMRI) measures to assess the effects of ET on brain function.

Participants needed: 120
Trial details
Age: 35-65Biological sex: FemaleType: ObservationalSponsor: Jonsson Comprehensive Cancer CenterUpdated: Jul 7, 2026Locations: 1
Eligibility criteria

Age 35-65 [+2]

History of major or mild neurocognitive disorder or dementia [+12]

Status: Not yet recruiting

The Care for America's Aging Study

Care for America's Aging is a randomized pilot study investigating whether a home health aide training intervention consisting of enhanced dementia-specific curriculum content will improve: 1) behavioral symptoms of older adult persons living with dementia or cognitive impairment (PLWD/CI) and 2) global health-related quality of life among PLWD/CI and their care partners.

Participants needed: 120
Trial details
Age: 60+Biological sex: AllType: InterventionalSponsor: Massachusetts General HospitalUpdated: Jul 6, 2026Locations: 1
Eligibility criteria

Age 60 years and above [+4]

Discharge to Medicare short-term rehab only [+6]