Evaluation of L-carnitine: a double-blind comparison of L-carnitine vs. placebo in narcolepsy with cataplexy patients

Evaluation of L-carnitine: a double-blind comparison of L-carnitine vs. placebo in narcolepsy with cataplexy patients - Evaluation of L-carnitine in narcolepsy with cataplexy patients

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000003760

Enrollment

Registered

2010-06-15

Start date

2010-05-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

narcolepsy with cataplexy

Interventions

L-carnitine to placebo placebo to L-carnitine

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. patients with narcolepsy with cataplexy 2. at least 15 year-old 3. male and female 4. ambulant patients 5. patients who gave a written informed consent

Exclusion criteria

Exclusion criteria: 1. patients with epilepsia (including past history) 2. patients who take a acenocoumarol 3. patients with hypersensitive to components of L-carnitine and placebo 4. patients who are pregnant or desire pregnancy within this study 5. patients who participate in another clinical trial 6. doctor's judgment

Design outcomes

Primary

Measure	Time frame
Evaluation of sleep diary and actigraph from 4 to 8 weeks of each administration	—

Countries

Japan

Contacts

Public ContactTaku Miyagawa

The University of Tokyo Department of Human Genetics

taku@jn2.so-net.ne.jp03-5841-3693

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026