Evaluation of the effect of pre-donation water intake on donor's hematocrit parameter and plasma volume obtained from whole blood bag in blood donors

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20241115063718N1

Enrollment

188

Registered

2025-02-03

Start date

2025-02-19

Completion date

Unknown

Last updated

2025-07-21

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

Conditions

The volume of plasma obtained from a bag of whole blood.

Interventions

Intervention group: Groups consuming 500 ml of water before donation.

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Willingness to participate in the study Men and women aged 18-65 referring to shiraz blood transfusion organization for donating blood All subjects are healthy No underlying disease

Exclusion criteria

Exclusion criteria: Unwillingness of blood donors to participate in the study taking diuretic drugs kidney and bladder stones taking blood pressure drugs smoking or hookah being a professional athlete

Design outcomes

Primary

Measure	Time frame
Changes in HCT and plasma volume. Timepoint: 10±2, 15±2 and 20±2 after consuming 500 ml of water. Method of measurement: Sysmex Kx-21, a scale for weighing the plasma bag.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDavood zarei

Fars Blood Transfusion Organization

d.zarei@ibto.ir+98 71 3628 7006

Outcome results

None listed

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