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January 1, 1993Open Access

Pharmacokinetic parameters and haemodynamic actions of midodrine in young volunteers

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Why the study?

Does midodrine alter pharmacokinetic and haemodynamic parameters in healthy volunteers and patients with postural hypotension?

Population

12 healthy male volunteers and 15 young patients with postural hypotension

Comparison

Midodrine vs Placebo and oxilofrine 20 mg intravenously

Design

RCT, Randomized cross-over design and randomized order, Double blind

Follow-up

Up to 24 hours

Authors

HGH. GrobeckerUniversity of RegensburgFKFrieder KeesUniversity of Regensburg

Discussion

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Implication

Supports midodrine for sympathotonic orthostatic hypotension; extends RCT evidence of its alpha-adrenergic hemodynamic efficacy.

Structured PICO

Does midodrine alter pharmacokinetic and haemodynamic parameters in healthy volunteers and patients with postural hypotension?

P
Population
12 healthy male volunteers (pharmacokinetic study) and 15 young patients with postural hypotension (pharmacodynamic study)
I
Intervention
Midodrine (2.5 mg intravenously, oral solution, or tablet for pharmacokinetics; 5 mg intravenously or increasing oral doses up to 15 mg for pharmacodynamics)
C
Comparator
Placebo and oxilofrine 20 mg intravenously
O
Outcome
Pharmacokinetic parameters (Cmax, t1/2, AUC) and haemodynamic actions (blood pressure, heart rate, echocardiographic parameters, circulating catecholamines)surrogate

Midodrine demonstrates rapid oral absorption and effective alpha-sympathomimetic hemodynamic effects, supporting its use in patients with sympathotonic orthostatic hypotension.

Limitations

  • Relatively small number of volunteers

Cite This Study

Grobecker et al. (1993) studied this question.

synapsesocial.com/papers/6a9865ad4e6c8dba1244e0b8https://doi.org/10.5283/epub.26825

Topics

Echocardiography
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Pharmacodynamics of midodrine, an antihypotensive agent1986 · 57 citations
  2. 2Efficacy of midodrine vs placebo in neurogenic orthostatic hypotension. A randomized, double-blind multicenter study. Midodrine Study Group1997 · 449 citations
  3. 3Efficacy of Midodrine vs Placebo in Neurogenic Orthostatic Hypotension1997 · 429 citations
  4. 4Treatment of orthostatic hypotension due to autonomic failure with a peripheral alpha‐adrenergic agonist (midodrine)1988 · 136 citations
  5. 5Midodrine: a role in the management of neurocardiogenic syncope1998 · 251 citations