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Parenteral administration of analgesics
Parenteral analgesics work by blocking pain signal transmission through various mechanisms including opioid receptor agonism, norepinephrine/serotonin reuptake inhibition, or direct nociceptive pathway modulation when administered via injection or infusion routes.
Parenteral analgesics are pain-relieving medications administered by injection or infusion that work through various mechanisms including opioid receptor agonism, norepinephrine/serotonin reuptake inhibition, or other pathways to reduce pain perception. Used for Acute pain management, Postoperative pain, Chronic pain conditions.
At a glance
| Generic name | Parenteral administration of analgesics |
|---|---|
| Sponsor | University Hospital Ostrava |
| Drug class | Analgesics (mixed class) |
| Modality | Small molecule |
| Therapeutic area | Pain Management |
| Phase | FDA-approved |
Mechanism of action
Parenteral administration refers to delivery of analgesic drugs via routes other than oral (e.g., intravenous, intramuscular, subcutaneous), allowing rapid onset and precise dosing control. The specific mechanism depends on the analgesic class used—opioids bind mu receptors to reduce pain perception, NSAIDs inhibit prostaglandin synthesis, and other agents may modulate neurotransmitter reuptake or ion channels. This route is particularly useful for acute pain management in hospital settings where rapid analgesia is required.
Approved indications
- Acute pain management in hospitalized patients
- Postoperative pain
- Severe pain requiring rapid onset analgesia
Common side effects
- Respiratory depression
- Nausea and vomiting
- Hypotension
- Sedation
- Injection site reactions
Key clinical trials
- Dexamethasone (4 mg vs. 8 mg) for Pain Control in Dental Implant Surgery (PHASE3)
- Effect of Intraperitoneal Dexmedetomidine Added to Bupivacaine 0.25% Versus Bupivacaine Alone on Postoperative Analgesia in Patients Undergoing Laparoscopic Cholecystectomy (NA)
- HYDRAFIL-D: HYDRogel Augmentation For Intervertebral Lumbar Discs (NA)
- Paracetamol Metabolism Research in Postoperative Hepatic Surgery (NA)
- Anterior Quadratus Lumborum Block as a Component of Multimodal Analgesia for Abdominal Hysterectomies (NA)
- Postoperative Pain Relieve for Patients Undergoing Surgical Treatment of Femoral Fracture (PHASE4)
- Sphenopalatine Block in Headache in Patients With Non-traumatic Subarachnoid Hemorrhage (NA)
- Therapeutic Effect of Using Injectable Hypertonic Saline 5% Versus Injectable Dextrose 20% on Pain in Painful Cases of Disc Displacement with Reduction (NA)
Primary sources
Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.
| Source | Used for |
|---|---|
| ClinicalTrials.gov | Trial enrolment, design, endpoints, results |
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