Intranasal Cobalamin (Cyanocobalamin)
Treatment for Vitamin B12 Deficiency
Typical Dosage: 500 mcg once weekly
Effectiveness
90%
Safety Score
80%
Clinical Trials
20
Participants
1K
Comparative Safety Scale(Higher is safer)
Cyanide☠️
Meth💀
Cigarettes🚬
Chemo☢️
Alcohol🍺
Morphine💊
Antibiotics💉
Tylenol💊
Exercise🏃
Water💧
80
DangerousModerateSafe
Treatment Details
Dosage Range
500 mcg once weekly
Time to Effect
Hematologic: 5-7 days; Symptomatic: 1-4 weeks
Treatment Duration
Lifetime for chronic deficiency (maintenance)
Evidence Quality
MODERATEConfidence Score
75%confidence in effectiveness data
Health Economics
Annual Cost of Care
Drug Cost:$500
Monitoring:$100
Side Effect Mgmt:$20
Total Annual:$620
Cost-Effectiveness Analysis
Cost-Effectiveness Rating
EXCELLENTICER
$5,000/QALY
QALYs Gained
0.7
Outcome-Based Costs
Cost per Responder
$688.89
Cost per Remission
$775
Comparison vs Oral Cobalamin
Cost Difference
+$485/year
More expensive
QALY Difference
-0.10 QALYs
Worse outcomes
Dominance
No dominance
Prescription Access Economics
Annual Societal Loss per Patient
$430
Cost of prescription-only barriers (visits, time, admin, price premium)
Physician Visit Cost
$150/year
Time Cost
$50/year
Travel + wait time
Insurance Admin Cost
$30/year
Prior auth, claims
Rx Price
$500/year
Potential OTC Price
$200/year
Estimated if OTC available
Early Treatment Benefit
+0.01 QALYs
From faster OTC access
Risk Assessment
Misuse Risk
LOWMissed Diagnosis Risk
LOWRequires Monitoring
YesNeeds lab work/checkups
Intranasal Cobalamin (Cyanocobalamin) Outcomes
for Vitamin B12 Deficiency
Efficacy Outcomes
Overall Effectiveness
+90%
Response Rate
+90%
Remission Rate
+80%
Common Side Effects
Rhinitis, nasal irritation, headache
+7%
Allergic reactions
+0.05%
Sources:
Active Clinical Trials
No active trials currently recruiting for this treatment
No active trials found in ClinicalTrials.gov