REST EXTRA
From Data to Trust, Post Marketing Results in the Syrian Context.
In 2010, Ibn Al-Haytham led REST EXTRA, a post-marketing observational study evaluating the efficacy, safety, and tolerability of REVOSYL Extra in managing essential hypertension—not in theory, but in actual clinical practice across Syria.
Study Scope:
Patients: 1614
Participating Doctors: 102
Setting: Diverse outpatient environments across the country
Efficacy Rating:
91.1% Controlled
8.9 % Uncontrolled
Tolerability Ratings:
75.8 % Excellent
20.1 % Good
2.4% Fair
1.7% Poor
This study didn’t just measure molecules—it measured lives impacted, trust earned, and clinical realities navigated.
At Ibn Al-Haytham, we believe that credibility isn’t claimed—it’s demonstrated through transparent data, regional relevance, and patient-first insights.