MedPath

Cephalexin

Generic Name
Cephalexin
Brand Names
Keflex
Drug Type
Small Molecule
Chemical Formula
C16H17N3O4S
CAS Number
15686-71-2
Unique Ingredient Identifier
5SFF1W6677
Background

Cephalexin is the first of the first generation cephalosporins. This antibiotic contains a beta lactam and a dihydrothiazide. Cephalexin is used to treat a number of susceptible bacterial infections through inhibition of cell wall synthesis. Cephalexin was approved by the FDA on 4 January 1971.

Indication

Cephalexin is indicated for the treatment of certain infections caused by susceptible bacteria. These infections include respiratory tract infections, otitis media, skin and skin structure infections, bone infections, and genitourinary tract infections.

Associated Conditions
Bone Infection, Genitourinary tract infection, Otitis Media (OM), Respiratory Tract Infections (RTI), Skin and skin structure infections, Acute Prostatitis

Patient-Directed Antimicrobial Duration in Acute Uncomplicated Pyelonephritis

Phase 4
Recruiting
Conditions
Pyelonephritis Acute
Interventions
First Posted Date
2023-11-13
Last Posted Date
2025-04-02
Lead Sponsor
Brett A Faine
Target Recruit Count
40
Registration Number
NCT06127160
Locations
🇺🇸

Olive View - UCLA Medical Center, Sylmar, California, United States

🇺🇸

University of Iowa Hospitals and Clinics, Iowa City, Iowa, United States

Antibiotic Prophylaxis in Pediatric Open Fractures

Phase 4
Conditions
Fractures, Open
Infections
Interventions
First Posted Date
2023-09-28
Last Posted Date
2024-10-08
Lead Sponsor
St. Louis University
Target Recruit Count
800
Registration Number
NCT06055712
Locations
🇺🇸

Saint Louis University, Saint Louis, Missouri, United States

High-dose Cephalexin for Cellulitis (HI-DOCC)

Phase 4
Conditions
Cellulitis
Interventions
First Posted Date
2023-05-10
Last Posted Date
2025-02-04
Lead Sponsor
Ottawa Hospital Research Institute
Target Recruit Count
446
Registration Number
NCT05852262
Locations
🇨🇦

South Health Campus, Calgary, Alberta, Canada

🇨🇦

Queen Elisabeth II Health Sciences Centre, Halifax, Nova Scotia, Canada

🇨🇦

Kingston Health Sciences Centre, Kingston, Ontario, Canada

and more 7 locations

The BLAST- 1 Trial - Cephalexin+Amoxicillin-clavulanate for Tuberculosis

Phase 2
Recruiting
Conditions
Tuberculosis, Pulmonary
Interventions
Other: Standard of care treatment of tuberculosis
Drug: Amoxicillin-Clavulanate 500 Mg-125 Mg Oral Tablet
First Posted Date
2022-12-23
Last Posted Date
2023-06-26
Lead Sponsor
Western Sydney Local Health District
Target Recruit Count
30
Registration Number
NCT05664568
Locations
🇦🇺

Royal Prince Alfred Hospital, Sydney, Australia

🇦🇺

Western Sydney Health District, Sydney, Australia

🇦🇺

Blacktown Hospital, Sydney, Australia

Role of Prophylactic Postoperative Antibiotics in HoLEP

Phase 4
Conditions
Urinary Tract Infections
Benign Prostatic Hyperplasia
Interventions
First Posted Date
2022-03-10
Last Posted Date
2022-03-11
Lead Sponsor
Baylor Research Institute
Target Recruit Count
100
Registration Number
NCT05274672
Locations
🇺🇸

Einstein Healthcare network, Philadelphia, Pennsylvania, United States

🇺🇸

Baylor Scott and White, Temple, Texas, United States

Microbiome and Association With Implant Infections

Phase 2
Recruiting
Conditions
Breast Cancer Female
Genetic Predisposition to Disease
Breast Cancer
Interventions
First Posted Date
2021-08-25
Last Posted Date
2025-02-11
Lead Sponsor
University of California, San Francisco
Target Recruit Count
200
Registration Number
NCT05020574
Locations
🇺🇸

University of California, San Francisco, San Francisco, California, United States

Oral Amoxicillin and Cephalexin PK/PD in Neonates

Phase 1
Conditions
Neonatal Infection
Interventions
First Posted Date
2021-06-08
Last Posted Date
2023-12-11
Lead Sponsor
University of Colorado, Denver
Target Recruit Count
60
Registration Number
NCT04916951
Locations
🇺🇸

Children's Hospital Colorado, Aurora, Colorado, United States

Single Dose Intravenous Antibiotics for Complicated Urinary Tract Infections in Children

First Posted Date
2021-05-06
Last Posted Date
2025-05-13
Lead Sponsor
Murdoch Childrens Research Institute
Target Recruit Count
452
Registration Number
NCT04876131
Locations
🇦🇺

Women and Children's Hospital, Adelaide, South Australia, Australia

🇦🇺

Monash Health, Melbourne, Victoria, Australia

🇦🇺

Royal Children's Hospital, Parkville, Victoria, Australia

and more 2 locations

Postoperative Antibiotics Following Primary and Secondary Breast Augmentation

Phase 4
Withdrawn
Conditions
Surgical Site Infection
Capsular Contracture Associated With Breast Implant
Antibiotic Resistant Infection
Antibiotic Side Effect
Interventions
First Posted Date
2021-04-08
Last Posted Date
2022-09-14
Lead Sponsor
University of California, Los Angeles
Registration Number
NCT04834310

SSI Rates in Patients Undergoing Mastectomy Without Reconstruction- A Multicenter, Double-blinded RCT.

Phase 3
Conditions
Surgical Site Infection
Interventions
First Posted Date
2020-10-08
Last Posted Date
2020-10-08
Lead Sponsor
Aga Khan University
Target Recruit Count
384
Registration Number
NCT04577846
Locations
🇵🇰

Aga Khan University Hospital, Karachi, Sindh, Pakistan

🇵🇰

Dow University of Health Sciences, Karachi, Sindh, Pakistan

🇵🇰

Liaquat National Hospital, Karachi, Sindh, Pakistan

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