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A randomized, double-blind, placebo-controlled study to compare the immune effects of multiple doses of vitamin D3 in patients with allergic rhinitis/rhino-conjunctivitis caused by birch pollen and in healthy control subjects.

The primary objective is to evaluate whether 2.5 µg VD3 analogue (Zemplar® * Abbvie) in multiple subcutaneously administered doses induces a more favourable (read: anti-inflammatory) systemic immune modulation both in general parameters and allergen…

Vitamin D in addition to RAAS blockade and dietary sodium for the Treatment of Urinary Excretion of albumin.

The primary objective of this study is to determine the antialbuminuric response of vitamin D analogue in addition to ACE-inhibitor and low-sodium diet, in renal patients.

Oral Paricalcitol versus Calcitriol in Peritoneal Dialysis Patients: effects on peritoneal transport and peritoneal defence

In this pilot study, we are setting on to investigate the differential effects of the VDR activator paricalcitol versus calcitriol on peritoneal transport, peritoneal inflammation and peritoneal defense parameters in PD patients.

The (cost)effectiveness of paricalcitol in the treatment of secondary hyperparathyroidism in hemodialysis patients.

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A randomized, double-blind, placebo-controlled, double-dummy study to determine the safety/tolerability of a simultaneous subcutaneous treatment of BM41 and vitamin D3 in patients with moderate to severe allergic rhinitis/ rhinoconjunctivitis caused by birch pollen.

Secondary objectives:The secondary objectives include demonstration of clinical efficacy of SCIT with BM41 alone, with BM41 plus VD3 and with VD3 alone, all three compared to placebo. Efficacy will be analysed for the upper airways by titrated nasal…

A randomized, double-blind, placebo-controlled, study to determine the added value of vitamin D3 to treatment with subcutaneous immunotherapy (SCIT) in patients with moderate to severe allergic rhinitis/ rhinoconjunctivitis caused by birch pollen

The aim of this clinical phase IIa randomized, double-blind, placebo-controlled study is to investigate tolerability/ safety and clinical and immunological effects of the addition of a subcuteaneous injection of a VD3 analogue in the vicinity of the…