Acute sensory ataxic neuropathy

MONDO:0016500

Acute sensory ataxic neuropathy is a rare variant of Guillain-Barré syndrome characterized by acute onset monophasic sensory neuropathy with diminished or absent tendon reflexes, loss of proprioception, positive Romberg sign and nerve conduction features of demyelination. It presents several weeks after acute infection with paresthesias, ataxia and neuropathic pain.

Also known as: ASAN, acute sensory ataxic GBS, acute sensory ataxic Guillain-Barre syndrome, acute sensory ataxic Guillain-Barré syndrome

38 clinical trials for this condition and its sub-types, 0 tagged with Acute sensory ataxic neuropathy itself.

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Where it sits in the disease tree

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↑ Acute disease (4756) ↑ Guillain-Barre syndrome (39)

Including sub-types (38) Tagged with Acute sensory ataxic neuropathy (0)

Trials to join now! 15 Not yet recruiting 9 Not yet finished but already full! 5 Completed 8 Terminated 1

Biopsy tolerance study ends early – what we know

Knowledge-focused Stopped early

This study aimed to understand how well patients tolerate biopsies for autoimmune diseases and whether they feel properly informed. It planned to enroll 505 people but was terminated early. The results may help improve patient experience with these common procedures.

Sponsor: University Hospital, Brest • Aim: Knowledge-focused

Last updated Jun 28, 2026 00:00 UTC

Acute sensory ataxic neuropathy

Where it sits in the disease tree

Biopsy tolerance study ends early – what we know