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The reliability of the 13C-phenylalanine breath test for phenylketonuria patients: a pilot study

To establish the test-retest reliability of the 13C-PBT for measuring Phe hydroxylation in patients with PKU.

Melanoma Margins Trial-II: 1cm v 2cm Wide Surgical Excision Margins for AJCC Stage II Primary Cutaneous Melanoma (MelMarT-II)

This study will determine whether there is a difference in disease free survival for patients treated with either a 1cm excision margin or 2cm margin for clinical stage II (pT2b-pT4b) primary cutaneous melanoma (AJCC 8th edition, Table 1). The…

Is, in infertile women undergoing a basic fertility work-up, tubal flushing with oil-based contrast medium during hysterosalpingography (HSG) cost-effective compared to tubal flushing by hysterosalpingo-foam sonography (HyFoSy)? A randomized controlled trial.

The main objective of this study is to determine whether tubal flushing with oil-based contrast during HSG results into more pregnancies leading to live births when compared to tubal flushing with ExEm-foam during HyFoSy, and whether this approach…

Optimal inter stimulus interval in spinal mTc-MEP monitoring. A multicenter study.

The aim of this research proposal is to examine the effect of different ISIs on mTc-MEPs.Primary research question: What is the effect of different interstimulus intervals (ISIs) on mTc-MEP thresholds, peak-to-peak amplitudes, and area under the…

The effectiveness of Cerclage for the reduction of extreme preterm birth and
perinatal mortality in Twin pregnancies with a short cervix.

To assess the effectiveness of a cerclage in women with a twin pregnancy with a midpregnancy short cervix compared to standard treatment (no cerclage) in the prevention of extreme preterm birth (PTB) < 28 weeks of GA.

The DRAIHA study: Data Registry of AutoImmune Hemolytic Anemia, to improve diagnostic testing for the development of personalized treatment protocols in AIHA patients

Primary objective1. The primary aim of the study is to answer the question whether specification of a positive direct antiglobulin test and/or red blood cell autoantibody specification is correlated with the clinical course in patients with AIHA.…

COMPRehensive assessment of prevalence, risk factors and mechanisms of impaired medical and psychosocial health outcomes among Adolescents and Young Adults with cancer: the prospective observational COMPRAYA cohort study

To examine the prevalence, risk factors and mechanisms of impaired health outcomes (short- and long-term medical and psychosocial effects and late effects) over time among a population-based sample of AYA cancer patients.Primary Objective: - To…

optimizing INITIation of non invasive ventilation in ALS patients

The primary objective of this study is to build a predictive model in which we can identify which (pheno) type of ALS patients has the most benefit from NIV in improving or maintaining quality of life.

COBRA re-KAI study: research into the immune response of COVID-19 revaccination after stem cell transplant or B-cel depleting immuno(chemo)therapy.

To answer the following questions: 1. Who are the patients that need to be revaccinated?2. How many vaccinations are needed to restore SARS-CoV-2 immunity?3. Can the number of vaccinations needed to restore SARS-CoV-2 immunity be predicted?To…

Model Informed preciSion doSIng tO iNdividualise and optimize pharmacotherapeutic treatment (MISSION) - Appendix 1: Prospective evaluation of Model informed precision dosing (MIPD) for tacrolimus and mycophenolic acid in paediatric patients with a kidney disease

Overall objective:To improve the existing drug prescribing and treatment monitoring process.Objective appendix 1: To prospectively evaluate the predictive performance of the MIPD strategy for tacrolimus and mycophenolic acid in paediatric patients…

Analysing cEllular bioenergetics aNd structural aDaptations in the qUadriceps muscle befoRe and After endobroNChial valve treatmEnt.

To investigate the physiological and structural adaptations of peripheral muscle function at a cellular level in response to EBV treatment.

Understanding colchicine resistance in Familial Mediterranean Fever; exploring pathophysiological mechanisms and therapeutic options

The primary objective is to identify what causes colchicine resistance in FMF. Additionally, we will try to identify potential interventions to overcome resistance

TUbectomy with delayed oophorectomy as alternative for risk-reducing salpingo-oophorectomy in BrcA-Women to assess the Safety of Prevention: the TUBA-WISP II study

To evaluate RRS with delayed RRO as an alternative for RRSO in BRCA1/2 gene germline mutation carriers. We hypothesize that RRS with delayed RRO leads to an equal ovarian cancer incidence when compared to RRSO.

Enroll-HD: A Prospective Registry Study in a Global Huntington*s Disease Cohort

Objective 1: To improve the understanding of the dynamic phenotypic spectrum and the disease mechanisms of HD by:a. collecting natural history data covering the cognitive, behavioral and motor domains permitting estimates of rates of progression in…

Selecting Ovarian Cancer patients for PARP Inhibitor (SOPI) study

The main objective of the SOPI study is to select the HRD test that best predicts longest PFS on PARP-i in non-BRCA1/2 EOC patients, in order to adequately select patients that will benefit from a PARP-i. Secondary objectives are: to…

Personalized elective neck irradiation guided by sentinel lymph node biopsy in patients with squamous cell carcinoma of the oropharynx, larynx or hypopharynx with a clinically negative neck: (chemo)radiotherapy to the PRIMary tumor Only. The PRIMO study.

To compare safety and efficacy of treatment with sentinel lymph node biopsy guided elective neck irradiation versus standard elective neck irradiation in patients receiving definitive (chemo)radiotherapy for squamous cell carcinoma of the…

A prospective evaluation of pancreatic cyst surveillance, based on the consensus statement, formulated by the European study group on cystic tumours of the pancreas

First, to establish the yield of the currently propagated pancreatic cyst surveillance program, and second, to identify possible alternative surveillance strategies, which might be more (cost) effective.

An Evaluation of the AeriSeal System for CONVERTing Collateral Ventilation Status in Patients with Severe Emphysema: The CONVERT II Trial

This study is to investigate the safety and effectiveness of the AeriSeal system in limiting collateral ventilation within a target lung lobe. And to achieve lung volume reduction using Zephyur Vavles and assess lung function, hyperinflations and…

Language decline in subjective cognitive impairment: Early detection of dementia

Our project aims to investigate cognitive and linguistic deficits in people with SCD, focusing on working memory impairments, deficits of lexical access, and deficits brought on by syntactic complexity. We will integrate clinical linguistic…