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A study for evaluating efficacy of cystine and theanine against peripheral neuropathy of oxaliplatin as a supportive treatment

A study for evaluating efficacy of cystine and theanine against peripheral neuropathy of oxaliplatin as a supportive treatment - A study for evaluating efficacy of cystine and theanine against peripheral neuropathy of oxaliplatin as a supportive treatment

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000020456
Enrollment
40
Registered
2016-01-07
Start date
2015-01-28
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

Peripheral neuropathy

Interventions

Ingestion of supplement containing 700mg of cystine and 280mg of theanine once a day during receiving mFOLFOX6 therapy (Max. 6 months) No ingestion of supplement instead of cystine and theanine during

Sponsors

Sendai City Medical Center, Sendai Open Hospital
Lead Sponsor
Shirakawa Kosei General Hospital
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.From 20 to 80 years old. 2.Performance status 0-1. 3.Able to oral ingestion. 4.Received a written informed consent by patient's self-determination.

Exclusion criteria

Exclusion criteria: 1.Active infection. 2.Poorly controlled hypertension. 3.Poorly controlled diabetes. 4.Clinically important cardiac disease. 5.Severe pulmonary disease (e.g. interstitial pneumonia , fibrosis, severe emphysema). 6.HIstory of clinically important psychopathic disorder or central nervous system damage. 7.Continuous systemic administration (iv or po) of steroid. 8.Pregnancy, breast-feeding, possible pregnancy and willing to be pregnant. 9.Participation for other studies. 10.Impossible of oral ingestion. 11.Judged ineligible by the principal investigator or sub-investigators.

Design outcomes

Primary

MeasureTime frame
Suppressive effect of cystine and theanine on occurrence of peripheral neuropathy during receiving mFOLFOX6 therapy (Max. 6 months)

Secondary

MeasureTime frame
State of occurrence of other adverse events of grade 2 or more. Total amount of administered oxaliplatin

Countries

Japan

Contacts

Public ContactTakashi Tsuchiya

Sendai City Medical Center, Sendai Open Hospital Director of the hospital, digestive surgery

tsuchiya@openhp.or.jp022-252-1111

Outcome results

None listed

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