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The effect of increasing pulmonary ventilation in methanol poisoning

The effect of Isocapnic hyperventilation (iHV) on detoxification of methanol poisoned patients: A pilot study

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT20120629010133N5
Enrollment
30
Registered
2022-09-10
Start date
2022-10-23
Completion date
Unknown
Last updated
2024-01-22

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

Conditions

Toxic alcohols. Toxic effect of methanol

Interventions

Intervention group: iHV. The concept of isocapnic hyperventilation (iHV) allows the person to hyperventilate while keeping the CO2 within normal limits at the same time. The ClearMate (Thornhill Resea

Sponsors

Shahid Beheshti University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Adult patients, men & women diagnosed with methanol poisoning Serum methanol = 50mg/dL pH = 7.0, correctable by bicarbonate infusion no visual disturbances

Exclusion criteria

Exclusion criteria: Acidosis requiring haemodialysis Comatose patients

Design outcomes

Primary

MeasureTime frame
Change in methanol elimination kinetics (half-life and estimated clearance) when iHV is utilized. Timepoint: Hourly before intervention, and 1-2 hourly post intervention till 24 hours. Method of measurement: Measuring serum/urine methanol, formate.

Secondary

MeasureTime frame
Score of iHV machine tolerability. Timepoint: Hourly. Method of measurement: Qualitative interview.;Score of feasibility of iHV machine. Timepoint: Hourly. Method of measurement: Likert's scale.;Implementation of fomepizole in Iran. Timepoint: End of trial. Method of measurement: Likert's scale.;Length of ICU- and hospital stay during treatment with iHV. Timepoint: End of trial. Method of measurement: Time frame of hospital stay.;Death. Timepoint: End of trial. Method of measurement: Yes or No.;Need for haemodialysis. Timepoint: hourly. Method of measurement: Yes or No.;Adverse Events. Timepoint: hourly. Method of measurement: Yes or No.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactHosssein Hassanian-Moghaddam

Shahid Beheshti University of Medical Sciences

hassanian@sbmu.ac.ir+98 21 5540 9534

Outcome results

None listed

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