Last Updated: August 8, 2026

CLINICAL TRIALS PROFILE FOR NOREPINEPHRINE BITARTRATE


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All Clinical Trials for norepinephrine bitartrate

Trial ID Title Status Sponsor Phase Start Date Summary
NCT02654847 ↗ Norepinephrine To Prevent Hypotension After Spinal Anesthesia For Cesarean Delivery: A Dose Finding Study Completed Samuel Lunenfeld Research Institute, Mount Sinai Hospital N/A 2016-01-01 Spinal anesthesia is the most common anesthetic technique for elective Cesarean delivery (CD), but the most frequent unwanted side effect is hypotension, which can cause nausea and vomiting, as well as effects on the fetus. Prevention and treatment of maternal hypotension includes intravenous fluids and vasopressors. Phenylephrine is the most common vasopressor used for this purpose. However, it has been shown to reduce maternal heart rate and cardiac output, which may be a concern in an already compromised fetus. Norepinephrine is commonly used in high concentrations in intensive care and recent studies have suggested that in low concentrations it may be a better alternative to phenylephrine in elective CD, as it does not reduce the maternal heart rate or cardiac output. The optimum bolus dose of norepinephrine to prevent hypotension after spinal anesthesia in elective CD has not been elucidated. The investigators propose this study to determine the dose that would be effective in 90% of patients (ED90). A previous study by Ngan Kee et al, using continuous infusion of norepinephrine to prevent hypotension in elective CD, suggested a potency ratio for norepinephrine to phenylephrine of approximately 16:1. Hence, the investigators hypothesise that the ED90 will be approximately 6 µg, given that the current phenylephrine bolus dose at the investigators' institution is approximately 100 µg.
NCT02962986 ↗ A Comparison of Intermittent Intravenous Boluses of Phenylephrine and Norepinephrine to Prevent Spinal-induced Hypotension in Cesarean Deliveries Completed Samuel Lunenfeld Research Institute, Mount Sinai Hospital N/A 2017-01-01 Hypotension is a very common complication of spinal anesthesia for cesarean delivery, and can have unwanted side effects on both mother and fetus if not treated promptly. Phenylephrine has been the drug of choice to treat this spinal-induced hypotension. Although phenylephrine is safe to use for this indication, it has been associated with reflex bradycardia and a reduction in cardiac output. Norepinephrine is a potent vasopressor used to treat hypotension in the critical care setting. Recent studies have looked at norepinephrine's use in the obstetric setting, and have shown that it can be used safely and also has favourable hemodynamic properties when compared to phenylephrine, with less bradycardia and less depression of cardiac output. The investigators recently conducted a study to determine the ED90 of norepinephrine, and now plan to compare bolus doses of phenylephrine to norepinephrine for treating hypotension following spinal anesthesia for cesarean section. The investigators hypothesize that norepinephrine, when given as a bolus to prevent post spinal hypotension, will result in around 70% relative decrease in the rate of bradycardia when compared to phenylephrine in patients undergoing elective cesarean delivery under spinal anesthesia.
NCT03328533 ↗ Norepinephrine Versus Phenylephrine Continuous Variable Infusion in Cesarean Delivery Completed Cairo University Phase 4 2017-11-10 Comparison will be conducted between continuous variable infusions of Phenylephrine with starting dose of 0.75 mcg/Kg/min and Norepinephrine Bitartrate with starting dose of 0.1 mcg/Kg/min (with norepinephrine base of 0.05 mcg/Kg/min) for prophylaxis against Post-spinal hypotension during cesarean delivery
NCT03706755 ↗ Comparison of Two Doses of Norepinephrine in Preventing Hypotension After Spinal Anesthesia Completed University Tunis El Manar Phase 4 2018-05-03 The purpose of the study is to determine the more effective intravenous bolus of norepinephrine for maintaining blood pressure during a spinal anesthesia for a cesarean delivery with the fewer side effects. Low blood pressure has been shown to decrease uterine perfusion and foetal outcomes during cesarean delivery under spinal anesthesia. For elective or semi-urgent cesarean delivery, all participants will receive spinal anesthesia with a local anesthetic and either sufentanil or fentanyl. This study plans to enroll 124 pregnant women. Patients will be randomly assigned according to a computer generated system to be in one of two groups.
NCT05355974 ↗ Using Vasopressor Medication to Support Blood Pressure During Intubation Procedure Not yet recruiting Wright State University Phase 3 2022-06-01 The purpose of this study is to investigate whether protocolized vasopressor use for patients with normal blood pressure undergoing rapid sequence intubation improves hemodynamic parameters and mitigates adverse events. The hypothesis is that use of vasopressors during Rapid Sequence Intubation will prevent substantial decreases in blood pressure when compared to normal intravenous fluids.
NCT05521152 ↗ Norepinephrine for Prevention of Intraoperative Hypotension in Infants Undergoing Kasai Portoenterostomy Recruiting Kasr El Aini Hospital Phase 3 2022-05-01 This study aims to assess the efficacy and safety of prophylactic intraoperative norepinephrine infusion versus the standard technique on decreasing the incidence of intraoperative hypotension in infants undergoing Kasai portoenterostomy operation.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for norepinephrine bitartrate

Condition Name

Condition Name for norepinephrine bitartrate
Intervention Trials
Hypotension 4
Cesarean Section Complications 3
Anesthesia 2
Spinal Anesthesia 1
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Condition MeSH

Condition MeSH for norepinephrine bitartrate
Intervention Trials
Hypotension 7
Sepsis 1
Biliary Atresia 1
Respiratory Insufficiency 1
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Clinical Trial Locations for norepinephrine bitartrate

Trials by Country

Trials by Country for norepinephrine bitartrate
Location Trials
Canada 3
Egypt 2
Tunisia 2
China 1
United States 1
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Trials by US State

Trials by US State for norepinephrine bitartrate
Location Trials
Ohio 1
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Clinical Trial Progress for norepinephrine bitartrate

Clinical Trial Phase

Clinical Trial Phase for norepinephrine bitartrate
Clinical Trial Phase Trials
PHASE4 1
PHASE1 2
Phase 4 4
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Clinical Trial Status

Clinical Trial Status for norepinephrine bitartrate
Clinical Trial Phase Trials
Completed 4
Recruiting 4
Not yet recruiting 2
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Clinical Trial Sponsors for norepinephrine bitartrate

Sponsor Name

Sponsor Name for norepinephrine bitartrate
Sponsor Trials
Samuel Lunenfeld Research Institute, Mount Sinai Hospital 2
Tunis University 1
University of Alberta 1
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Sponsor Type

Sponsor Type for norepinephrine bitartrate
Sponsor Trials
Other 13
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Last updated: July 26, 2026

Norepinephrine Bitartrate Clinical Trials Update, Market Analysis, and Revenue Projections (2026–2035)

Executive summary

Norepinephrine bitartrate is an injectable vasopressor used for shock states requiring blood-pressure support. Public clinical-trial activity for the active ingredient appears limited and fragmented by region, formulation, and indication. Market growth is driven more by hospital demand and critical-care protocol penetration than by new blockbuster differentiation. For forecasting, the practical revenue ceiling is set by (1) fixed hospital usage cycles for ICU vasopressors, (2) payer pressure on branded products versus authorized generics, and (3) regulatory dynamics for supply and label expansions rather than novel clinical efficacy claims.

Forecast stance (base case): mid-single-digit global market growth through 2035, with revenue largely concentrated among established injectable suppliers and constrained by generic competition and tender-driven pricing.

Key business implication: if you are evaluating entry, partnering, or litigation risk, the highest leverage is in (a) supply chain resilience for injectable norepinephrine products, (b) stability and compatibility claims tied to hospital infusion workflows, and (c) label positioning within shock subtypes (septic shock, post-op shock, other vasodilatory shock) rather than expecting rapid clinical breakthrough-driven expansion.


What is norepinephrine bitartrate used for, and in which shock types?

Norepinephrine bitartrate is a sympathomimetic catecholamine used as a vasopressor. Clinically, it is administered in monitored settings, typically in intensive care units, to treat hypotension and shock where vasoconstriction is needed.

Typical clinical positioning

  • Septic shock: common ICU use where vasopressor support is required.
  • Other vasodilatory shock states: hospital protocols may include use in non-septic etiologies depending on regional guidance.
  • Perioperative/post-operative hypotension: use occurs when persistent hypotension requires vasopressor escalation.

Dosing and administration context that shapes product demand

Demand is influenced by:

  • ICU bed-days and severity distribution (ICU admission rates and shock prevalence).
  • Standard-of-care protocols that specify first-line or second-line vasopressor choices.
  • Hospital infusion workflow compatibility (dilution, line compatibility, and stability claims).

What clinical trials for norepinephrine bitartrate are active or recently completed?

Clinical-trials update: public trial activity specific to norepinephrine bitartrate as a discrete investigational product is not consistently concentrated in one global Phase 3 program; the landscape is dominated by:

  • protocol studies in ICU shock management,
  • formulation and administration method studies for injectables,
  • regional trials tied to local regulatory requirements and supply.

High-intent interpretation for business: monitor trials by two axes:

  1. Formulation/delivery studies (stability, dilution, compatibility, infusion performance).
  2. Comparative shock-management endpoints (time to hemodynamic targets, vasopressor-free intervals, mortality endpoints).

How to read trial signals for commercial impact

  • If a trial improves time-to-hemodynamic control or reduces vasopressor exposure, hospitals may shift tender preferences.
  • If outcomes are similar to comparator vasopressors, uptake depends on supply, price, and label strength.

When do new norepinephrine bitartrate trials or label updates affect the market?

There is no single “release window” because market changes typically follow:

  • regulatory approvals (label updates or new generic/authorized generic launches),
  • tender cycles (quarterly/annual procurement),
  • supply reliability events (manufacturing disruptions or corrective actions).

Timing that matters most

  • Regulatory filing and approval lead times: generally 12 to 24 months from pivotal submission depending on scope.
  • Hospital procurement cycles: revenue ramp often begins after formulary inclusion and next tender.

How big is the norepinephrine bitartrate market, and where is demand concentrated?

Demand concentration: norepinephrine as a therapeutic class is used in hospitals globally, but branded-versus-generic mix and tender-driven pricing varies by region.

Commercial drivers

  • ICU utilization growth (population aging, critical-care capacity).
  • Rising incidence of shock-admitting conditions in some geographies (infection burden, trauma).
  • Protocol standardization that increases vasopressor use per ICU case.

Commercial constraints

  • Loss of differentiation under generic competition.
  • Price pressure from national formularies and group purchasing organizations.
  • Substitution within vasopressor classes (epinephrine, dopamine, vasopressin adjuncts depending on guideline emphasis).

What is the competitive landscape for norepinephrine bitartrate (brand, generic, authorized generic)?

Competition is typically structured around:

  • multiple NDCs tied to different packaging, concentrations, and suppliers,
  • tender-based sourcing where price dominates after clinical equivalence is established,
  • shortages and supply qualification that can temporarily increase prices or extend market share for reliable manufacturers.

Where differentiation still shows up

  • Stability and compatibility claims that reduce administration errors and wasted product.
  • Packaging (unit-dose configuration), concentration options, and ready-to-use presentation versus concentrate-only formats.
  • Hospital contracting relationships and distributor coverage.

Which companies supply norepinephrine bitartrate, and how does that impact revenue share?

Market share for injectables is usually not “earned” by long clinical differentiation but by procurement and supply continuity.

Revenue implication: suppliers with consistent manufacturing capacity and distribution are more resilient during tender resets and shortage periods.


What patent estate issues affect norepinephrine bitartrate market entry and pricing?

For established vasopressors, patent estates are typically older and may be dominated by:

  • formulation or process patents that may still be active in some jurisdictions,
  • secondary patents covering specific concentrations, packaging, or stability,
  • method-of-use claims if ever pursued for shock subtype nuances.

Business impact: generic entry is more likely to be governed by regulatory equivalence and supply qualification than by broad patent blocks, unless a jurisdiction still has active secondary patents tied to a specific presentation.


What generic entry risks exist for norepinephrine bitartrate?

Generic entry risk is usually high once regulatory exclusivities and patent barriers are cleared. The dominant counterparty risk becomes:

  • manufacturing scale and lot release constraints for injectables,
  • supplier qualification timelines at hospitals,
  • temporary shortages that can disrupt substitution.

Net effect: pricing can be volatile around supply stability, even when long-term competitive pressure is downward.


How does norepinephrine bitartrate compare with other vasopressors in clinical and procurement terms?

Procurement behavior is driven by:

  • clinician guideline adherence,
  • safety profile considerations,
  • protocol-specific roles for adjunct vasopressors.

Practical substitution dynamics

  • If a hospital formulary allows multiple vasopressors, contracting decisions often optimize total cost per ICU episode.
  • Clinical equivalence and ease of administration can outweigh minor efficacy differences in tender decisions.

How strong is the regulatory and FDA pathway exposure for norepinephrine bitartrate?

For an established injectable vasopressor, FDA pathways are typically centered on:

  • generic approvals,
  • ANDA route where applicable,
  • label equivalence and changes tied to concentration, packaging, or manufacturing site.

Commercially relevant regulatory triggers

  • Label updates affecting shock subset language.
  • Post-marketing commitments tied to stability, container closure systems, or compatibility.

What formulation and manufacturing/IP barriers can slow generic substitution?

Key barriers for injectable catecholamines are often operational:

  • active ingredient stability and degradation control in solution,
  • container compatibility,
  • heat/light exposure handling,
  • batch consistency and lot acceptance thresholds.

Commercial implication: even when regulatory approval is straightforward, supply qualification can delay uptake.


Revenue projection model for norepinephrine bitartrate (global 2026–2035)

A defensible projection for an established injectable must separate:

  1. units (ICU use intensity) from
  2. price (tender and competitive compression).

Base-case framework (qualitative to quantitative mapping)

  • Unit growth: driven by ICU capacity expansion and shock admissions mix.
  • Price growth: constrained by generic competition, with occasional spikes during supply events.
  • Net revenue growth: tends to land in mid-single digits in stable markets, with divergence by region.

Projection ranges (global)

  • 2026–2030: mid-single-digit CAGR in revenue
  • 2031–2035: low-to-mid-single-digit CAGR, trending closer to unit growth as price compression stabilizes

Scenario set (business-useful)

  • Bull case: stronger-than-expected ICU utilization growth plus improved formulary retention or shortage-linked pricing retention.
  • Base case: steady ICU growth offset by generic pricing pressure and normal tender cycles.
  • Bear case: accelerated substitution, increased price erosion in high-volume regions, and supply stabilization without margin recovery.

(This projection uses market-structure logic for hospital injectables; no single trial-driven catalyst is assumed for a step-change.)


What market events could change the forecast for norepinephrine bitartrate?

High-impact events are typically:

  • regulatory label changes that broaden use,
  • supply disruptions affecting volume and pricing,
  • major payer formulary shifts across large hospital systems,
  • manufacturing facility disruptions or recalls.

Near-term watchlist categories

  • Any approved presentation changes (concentration, container system, ready-to-use versus concentrate-only).
  • Large-scale hospital contracting outcomes that re-set preferred supplier status.
  • Reported shortages by major NDC producers.

Key takeaways

  • Norepinephrine bitartrate demand is anchored in hospital ICU shock management; clinical-trial upside is generally incremental rather than transformational.
  • Market growth is driven more by ICU utilization and protocol penetration than by breakthrough efficacy differentiation.
  • Revenue expansion is capped by generic competition and tender-driven pricing compression, with volatility tied mainly to supply stability.
  • Forecasts for 2026–2035 should be built on unit growth plus price compression dynamics, not on a single clinical-program catalyst.

FAQs

1) Are there ongoing Phase 3 studies specifically for norepinephrine bitartrate in shock?

Public activity is typically not concentrated into one dominant Phase 3 program; studies are often protocol/formulation/administration focused and regionally distributed.

2) Does norepinephrine bitartrate have notable differentiation versus epinephrine or dopamine?

Clinical differentiation is usually framed by guideline role and protocol fit; procurement often relies on cost, availability, and administration considerations.

3) What factors most influence hospital purchasing decisions for norepinephrine injectables?

Tender pricing, supplier reliability, lot acceptance, and packaging/concentration options that fit infusion workflows.

4) What is the biggest risk to revenue growth for norepinephrine bitartrate suppliers?

Generic price compression and loss of preferred supplier status through tender re-awards.

5) Can supply shortages materially change norepinephrine bitartrate market revenue short-term?

Yes. Shortage-linked pricing and temporary volume shifts can raise near-term revenue even when long-term competition remains price pressured.


References

No sources were provided in the prompt, and no external databases (FDA Orange Book, ClinicalTrials.gov, company filings, or market reports) were supplied for citation.

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