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Memantine effect on pain tolerance time in MMTP patients

Evaluation of memantine utilization on pain tolerance time in methadone- maintained patients

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20090801002266N17
Enrollment
104
Registered
2022-02-26
Start date
2021-11-06
Completion date
Unknown
Last updated
2022-03-08

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

Conditions

pain tolerance time.

Interventions

Intervention 1: Intervention group: memantine tablet administration. Start with 5 mg per day in the first week and adding 5 mg per day every week until patient tolerates or maximum dose 20 mg per day

Sponsors

Esfahan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Undertreatment in MMT program for at least 6 months No methadone dose modification in recent 6 months

Exclusion criteria

Exclusion criteria: Any analgesic medication use Sedative drugs use Substance use disorder Any kind of psychiatric disorders Any kind of neuropathy, Raynaud’s disease

Design outcomes

Primary

MeasureTime frame
Mean threshold of pain in cold pressor test. Timepoint: In the beginning of study and after 5 weeks of memantine or placebo. Method of measurement: Cold peressor test; stopwatch.;Mean duration of maximum pain tolerance in Cold pressor test. Timepoint: In the beginning of the study and after 5 weeks of memantine or placebo administration. Method of measurement: Cold professor test will be performed for patients and the time of onset of pain and maximum pain tolerance will be measured with a stopwatch.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactGholam Reza Kheirabadi

Esfahan University of Medical Sciences

kheirabadi@bsrc.mui.ac.ir+98 31 1222 2135

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026