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Biomarkers of the HIV reservoir

Primary objectivesLongitudinal quantification of the total latent HIV reservoir with determination of the size of the replication competent HIV reservoir and investigate potential biomarkers of the HIV reservoir size and nature.Cross compare the…

Quality of life viral and Immunological dynamics in patients with effectively suppressed HIV who switch second or furtherline cART to a Once daily High genetic barrier Antiretroviral regimen of boosted darunavir and dolutegravir

The primary objective is to investigate quality of life after switch to a combination therapy including boosted DRV and DTG. Secondary objectives are to investigate 1) the residual viral replication, 2) level of virus production from infected cells…

Investigation of the effects of switching to a high genetic barrier protease inhibitor based regimen on low level viremia, immune activation and neurocognitive performance in patients on antiviral therapy

Primary: to investigate the most importants determinants of the viral dynamics of low-level viremia. Secondary: to investigate the effects on immune activation, neurocognitive performance and periodontal status.

Leukocyte dynamics during immune reconstitution after stem-cell transplantation: in vivo labelling of dividing leukocytes using deuterated water

In this study we aim to gain more insights into immune reconstitution of various leukocyte populations after SCT. By application of heavy water labeling we investigate if and how the production- and death rate of leukocytes changes after an SCT.

Generating normal values for antibody response in "healthy" patients of age

To generate a set of normal values in people over 60 that can be expected to have an normal immune system, in order to be able to interpret the immune system of eldery patients with repeated airway infections.

Multicenter, open-label extension study to investigate the long-term safety and efficacy of IgPro20 in maintenance treatment of chronic inflammatory demyelinating polyneuropathy (CIDP) in subjects completing study IgPro20_3003.

Primary objective: To evaluate the long-term safety of IgPro20.Secondary objectives: * To evaluate the long-term safety of IgPro20 by dose. * To evaluate the efficacy of IgPro20.Exploratory objectives:* To evaluate health-related quality of life (…

Leukocyte dynamics in ageing: in vivo labelling of dividing leukocytes using deuterated water

In this study we want to apply heavy water labelling to investigate how ageing affects the dynamics of different leukocyte populations.The main objectives of this study are:(A) to get more insight in the dynamics of an ageing immune system, in order…

The impact of cytotoxic T lymphocytes on the lifespan of productively infected cells in HIV infection

The primary objective of this study is to explore if (and which) HIV-specific CTL responses shorten the lifespan of productively infected cells in HIV-infected individuals. This will be accomplished by investigating the estimated life spans of…

Efficacy of 12 week boceprevir in addition to standard of care therapy consisting of peginterferon-alpha-2b and ribavirin for the treatment of acute HCV genotype 1 in HIV co-infected patients. A proof of concept feasibility clinical trial.

Document the efficacy and tolerability of 12 weeks of Boceprevir (Victrelis®) therapy in addition to standard of care (SOC) therapy consisting of weekly weight based peginterferon alfa-2b (Pegintron®) SC and ribavirin PO BID, for the treatment of…

IgG-subclass and/or antipolysaccharide antibody deficiency.

Primary: To provide insight in the prevalence of diagnosed cases of IgG-subclass and/or antipolysaccharide antibodydeficiency in Dutch children. Secondary: To provide insight in the diagnostic process, the clinical presentation, the therapies used…

A pilot study on the efficacy and pharmacokinetics of a switch from nevirapine with emtricitabine, tenofovir or lamivudine, tenofovir or lamivudine, zidovudine to rilpivirine with emtricitabine, tenofovir in virologically suppressed HIV-1 infected patients.

Primary objective:To evaluate the efficacy of a RPV based HAART in patients that switch from NVP with FTC, TDF or lamivudine (3TC), TDF or 3TC, zidovudine (ZDV) to RPV/FTC/TDF.Secondary objectives:To measure the impact (strength and duration) of NVP…

CT Iterative ReConstruction for Low-dose cardiopulmonary Evaluation: diagnosis of pulmonary infections in patients with febrile neutropenia - Circle Study

To investigate if ultra low-dose chest CT may be a better diagnostic tool than chest X-ray on day 1 of febrile neutropenia. Imaging results will be compared with a consensus diagnosis on the cause of febrile neutropenia made by an expert panel.…

The immunomodulatory effects of phlebotomy

To assess the ex vivo cytokine production of whole blood during 28 days after phlebotomy (routine withdrawal of 500 ml of blood).

An open-label trial with TMC278 25 mg q.d. in combination with a
background regimen containing 2 nucleoside/nucleotide reverse
transcriptase inhibitors in HIV-1 infected subjects, who participated in
TMC278 clinical trials.

Primary ObjectiveThe primary objective of the trial is to provide continued access to TMC278 for subjects who were randomized andtreated with TMC278 in the Phase IIb (e.g., TMC278-C204 [C204]) or Phase III trials (e.g., TMC278-TiDP6-C209[ECHO] and…

*Kappa-deleting recombination excision circles* (KRECs) and somatic hypermutation (SHM) in Down Syndrome B-lymphocytes.

To determine the replication history of DS-B-lymphocytes by KRECs in relation to somatic hypermutation.

Pharmacokinetics and safety of the intravenous human immunoglobulin product Nanogam 100 mg/ml

The primary objective is to examine the pharmacokinetics of Nanogam 100 mg/ml and compare these with Nanogam 50 mg/ml. The secondary objective is safety and tolerability of Nanogam 100 mg/ml. Aim is to show bioequivalency between Nanogam 50 mg/ml…

Genetic influences on autonomic nervous system activity and the pro-inflammatory state: the moderating role of mental health status.

We will test a new theoretical model that assumes that mental health status interacts with the genetic factors influencing sympathovagal balance and the pro-inflammatory state. The results will be published in scientific magazines, and/or presented…

Serum antibody response to influenza A in children with Down syndrome

Measuring specific antibody titers against influenza A (subtype H1N1 and / or seasonal vaccine) in DS children. DS anti-influenza antibody titers will be compared with controls available from the same laboratory.

Pedigree research in families with Common Variable Immunodeficiency Disease.

Using pedigree research in two CVID-families to find clues for genetic testing.

The role of TSH in the human immune system, a randomized, controlled, trial

The main objective of this study is to determine the role of TSH in the generation of new T cells by thymopoiesis