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NCT06489704
To study the effect of relocation from 3200 m (Aksay) to 760 m (Bishkek) in patients with high altitude pulmonary hypertension (HAPH) who permanently live \>2500 m on pulmonary artery pressure (PAP)
NCT06489730
The purpose of the current study is to evaluate the clinical and physiologic course of Kyrgyz highlanders with high altitude pulmonary hypertension (HAPH) by performing a longitudinal cohort study. To this end, the investigators will invite the same highlanders who participate din the study in 2017 to undergo follow-up examinations in 2024, in order to allow comparisons of current results with baseline data from 2017.
NCT03172429
The purpose of the current study is to evaluate the cerebral tissue oxygenation of Kyrgyz highlanders with high altitude pulmonary hypertension (HAPH) by performing a longitudinal cohort study. To this end, the investigators will invite the same highlanders who participated in the study in 2012 to undergo follow-up examinations in 2017, in order to allow comparisons of current results with baseline data from 2012.
NCT01530464
This is a Phase I, three period, two sequence, open-label, randomized, crossover study, with the primary objective of testing the safety and tolerability of combined oral doses of aminophylline and ambrisentan in healthy human subjects. The secondary objective is to assess the pharmacokinetic profiles of theophylline (aminophylline) and ambrisentan when administered alone or in combination. It is hypothesized that the combination of these drugs is generally safe, and that no drug interaction can be observed.