27 results
The purpose of Part A is to investigate how safe the study compound VX-152 is and how well the study compound is tolerated. The study will also investigate how quickly and to what extent the compound is absorbed into and eliminated from the body (…
To evaluate the efficacy of VX-661 in combination with ivacaftor through 24 weeks of treatment in subjects with cystic fibrosis (CF) who are homozygous for the F508del mutation on the CF transmembrane conductance regulator (CFTR) gene.
To evaluate the efficacy of VX-661 in combination with ivacaftor and ivacaftormonotherapy through 8 weeks of treatment in subjects with cystic fibrosis (CF)who are heterozygous for the F508del mutation on the CF transmembraneconductance regulator (…
To replicate and extend the findings of the recent methylphenidate study in which methylphenidate was found to enhance episodic memory performance; To explore whether this effect of methylphenidate is primarily mediated by its dopaminergic action.
to assess whether a single-dose of levodopa improves cognitive symptoms and balances goal-directed and habitual behavior.
To investigate the effects of galantamine on cognitive impairment and visual hallucinations in Parkinson`s disease, both therapeutic (direct effect) and preventive (protection against an acute increase of dopaminergic medication used by the patient…
The purpose of Part A is to investigate how safe the study compound VX-440 is and how well the study compound istolerated. The study will also investigate how quickly and to what extent the compound is absorbed into and eliminatedfrom the body (this…
This is a medical-scientific research study. The purpose of the study is to investigate the effect of multiple doses of the study compound BIA 28-6156 on the pharmacokinetics of the drugs levodopa-carbidopa (Group 1) and levodopa-benserazide (Group…
primary objective: To evaluate the long-term safety and tolerability of lumacaftor in combination with ivacaftor in subjects with cystic fibrosis (CF), homozygous or heterozygous for the F508del-cystic fibrosis transmembrane conductance regulator (…
The study consists of two phases. In the first phase, we aim to investigate whether the dopamine receptor D4 (DRD4) genotype confers differential susceptibility to the effects of early life stress on empathy and prosocial behavior more generally in…
Primary ObjectiveTo evaluate the efficacy of lumacaftor in combination with ivacaftor throughat Week 24 in subjects with cystic fibrosis (CF) who are homozygous for the F508del CFTR mutation on the CF transmembrane conductance regulator (CFTR)…
Parts D and E: Primary Objectives:• To evaluate the safety and tolerability of VX-445 in TC with TEZ and IVA in subjects with cystic fibrosis (CF)• To evaluate the efficacy of VX-445 in TC with TEZ and IVA in subjects with CFSecondary Objectives• To…
The purpose of Part A is to investigate how safe the study compound VX-152 is and how well the study compound is tolerated. The study will also investigate how quickly and to what extent the compound is absorbed into and eliminated from the body (…
The primary objective of this study is to evaluate the effect of multiple doses of azithromycin, clarithromycin and ritonavir on the pharmacokinetics, safety and tolerability of a single oral 150 mg dose of ivacaftor in healthy controls and in…
Main objectivePart A: To evaluate the safety and efficacy of treatment with VX-371, administered with and without 4.2% hypertonic saline (HS) in subjects with primary ciliary dyskinesia (PCD) who are *12 years of age.Part B: To evaluate the safety…
In this study, we want to investigate the effect of the change in co-medication from lumacaftor to tezacaftor on the kinetics and exposure levels of ivacaftor described by the through concentrationsPrimary Objective: - the through concentration of…
Primary ObjectivesParts 1 (Subjects with F/MF genotypes) and 2 (Optional; Subjects with the F/F genotype)* To evaluate the safety and tolerability of VX 121 in TC with TEZ/VX 561 (deuterated IVA) * To evaluate the efficacy of VX 121 in TC with TEZ/…
Primary Objective:To evaluate the efficacy of VX-445 in triple combination (TC) with tezacaftor (TEZ) andivacaftor (IVA) in subjects with cystic fibrosis (CF) who are heterozygous for F508del and aminimal function mutation (F/MF subjects)Secondary…
Primary Objective:To evaluate the efficacy of VX-445 in triple combination (TC) with tezacaftor (TEZ) and ivacaftor (IVA) in subjects with cystic fibrosis (CF) who are homozygous for the F508del mutation (F/F)Secondary Objectives:* To evaluate the…
To evaluate the long-term safety and tolerability of elexacaftor(ELX)/tezacaftor (TEZ)/ivacaftor (IVA)