> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/clindamycin-hydrochloride-19a26a38-5f09-4e8b-b87a-f9ef76ca92a1
> Record changed: 2026-10-13

# Clindamycin hydrochloride

Highest phase reached

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

First approval year

1970

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

## Development status

**First approval year**

1970

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

**Listing at source**

Listed

**Highest phase reached**

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

**Drug name**

Clindamycin hydrochloride

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

**Molecular weight**

461.45

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

**Structure (SMILES)**

CCC\[C@@H\]1C\[C@@H\](C(=O)N\[C@@H\](\[C@H\]2O\[C@H\](SC)\[C@H\](O)\[C@@H\](O)\[C@H\]2O)\[C@H\](C)Cl)N(C)C1.Cl

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

### Brand names (8)

- cleocin
- Cleocin
- cleocin hydrochloride
- Cleocin hydrochloride
- clindamycin hydrochloride
- Clindamycin hydrochloride
- dalacin c
- Dalacin c

### Other names (44)

- antirobe
- Antirobe
- Clindamycin (as hydrochloride)
- clindamycin as hydrochloride
- clindamycin hcl
- Clindamycin hcl
- clindamycin hydrochloride
- Clindamycin hydrochloride
- CLINDAMYCIN HYDROCHLORIDE \[EP MONOGRAPH\]
- CLINDAMYCIN HYDROCHLORIDE \[GREEN BOOK\]
- CLINDAMYCIN HYDROCHLORIDE \[JAN\]
- CLINDAMYCIN HYDROCHLORIDE \[MART.\]
- CLINDAMYCIN HYDROCHLORIDE \[MI\]
- CLINDAMYCIN HYDROCHLORIDE \[ORANGE BOOK\]
- CLINDAMYCIN HYDROCHLORIDE \[USP MONOGRAPH\]
- CLINDAMYCIN HYDROCHLORIDE \[USP-RS\]
- CLINDAMYCIN HYDROCHLORIDE \[VANDF\]
- Clindamycin hydrochloride \[WHO-DD\]
- clindamycin hydrochloride anhydrous
- CLINDAMYCIN HYDROCHLORIDE ANHYDROUS
- clindamycin hydrochloride ep monograph
- clindamycin hydrochloride green book
- clindamycin hydrochloride jan
- clindamycin hydrochloride mart
- clindamycin hydrochloride mi

And 19 more, listed on the interactive page.

## Identifiers

**CAS registry numbers**

- 21462-39-5

**ChEMBL ID**

CHEMBL1200588

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

**InChIKey**

AUODDLQVRAJAJM-XJQDNNTCSA-N

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1200588)

**FDA ingredient codes (UNII)**

- T20OQ1YN1W

### PubChem compound IDs (2)

- 16051951
- 118705388

### RxNorm IDs (RxCUI) (2)

- 21235
- 81982

## Regulatory information

### United States

**Applicant**

PFIZER

**Approval date**

22 Feb 1970

**Application number**

NDA050162

### Other regulatory facts

**Patents**

0

**Designations**

1

**First in class**

No

**Fast track**

No

**Breakthrough designation**

No

**Orphan designation**

No

**Priority review**

No

**Orphan exclusivity**

No

**Accelerated approval**

No

**Availability**

Prescription only

**Boxed warning**

Yes

## Pharmacology

### Drug classification

**Drug name stem**

\-mycin

#### Administration routes

- Oral

### Mechanisms of action (56)

- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P02358
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P02359
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P02413
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7J3
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7J7
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7K2
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7K6
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7L0
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7L3
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7L8
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7M2
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7M6
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7M9
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7N1
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7N4
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7N9
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7P5
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7Q1
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7Q6
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7R5
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7R9
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7S3
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7S9
- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

**Protein identifier**  
P0A7T3

And 31 more, listed on the interactive page.

### Open Targets mechanisms

- **Mechanism**  
Bacterial 70S ribosome inhibitor

**Action type**  
Inhibitor

**Target**  
Bacterial 70S ribosome

### Investigated indications (4)

- **Condition**  
Infections

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0000544

**Subject identifier**  
D007239
- **Condition**  
Osteomyelitis

**Highest recorded phase**

0.5

**Condition identifier**  
EFO:0003102

**Subject identifier**  
D010019
- **Condition**  
Pneumonia

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0003106

**Subject identifier**  
D011014
- **Condition**  
Acne Vulgaris

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0003894

**Subject identifier**  
D000152

### Open Targets indications (7)

- **Condition identifier**  
EFO\_0000544
- **Condition identifier**  
EFO\_0000544

**Highest recorded phase**  
4
- **Condition identifier**  
EFO\_0003102
- **Condition identifier**  
EFO\_0003106
- **Condition identifier**  
EFO\_0003894
- **Condition identifier**  
MONDO\_0005249

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0011438

**Highest recorded phase**  
1

### Warnings (2)

- **Warning**  
Black Box Warning

**Effect**  
gastrointestinal toxicity
- **Warning**  
Black Box Warning

**Effect**  
infectious disease

### Open Targets warnings (2)

- **Warning**  
Black Box Warning

**Effect**  
gastrointestinal toxicity

**Country**  
United States
- **Warning**  
Black Box Warning

**Effect**  
infectious disease

**Country**  
United States

### Reported adverse events (11)

- **Event**  
acute generalised exanthematous pustulosis

**Reports**  
52

**Reporting signal score**

103.728
- **Event**  
clostridium difficile colitis

**Reports**  
30

**Reporting signal score**

45.6839
- **Event**  
drug hypersensitivity

**Reports**  
1,579

**Reporting signal score**  
4,222.71
- **Event**  
fall

**Reports**  
5

**Reporting signal score**

43.9233
- **Event**  
fatigue

**Reports**  
26

**Reporting signal score**

57.0786
- **Event**  
pruritus

**Reports**  
137

**Reporting signal score**

52.3093
- **Event**  
pseudomembranous colitis

**Reports**  
25

**Reporting signal score**

68.3936
- **Event**  
rash

**Reports**  
333

**Reporting signal score**

222.657
- **Event**  
rash maculo-papular

**Reports**  
62

**Reporting signal score**

80.9699
- **Event**  
toxic skin eruption

**Reports**  
46

**Reporting signal score**

78.9748
- **Event**  
urticaria

**Reports**  
130

**Reporting signal score**

80.0301

### Trial references (2)

- NCT02099240  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02099240)
- NCT02593383  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02593383)

## Dosing

**Dose**

150-300 mg

**Route**

Oral

**How often**

Every 6 hours

### Conditions of use (2)

- At least 30 minutes before lying down
- Take with a full glass of water (6 to 8 ounces)

## Chemical properties

**Hydrogen bond acceptors**

7

**Hydrogen bond donors**

4

**Polar surface area**

102.26

**Calculated partition coefficient (ALogP)**

0.39

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Rule-of-five violations**

0

**Rotatable bonds**

7

**Heavy atoms**

28

**Molecular formula**

C18H34Cl2N2O5S

**Monoisotopic mass**

460.1565488

**Natural product**

Yes

## National Drug Codes

- 0009-0225
- 0009-0331
- 0009-0395
- 0904-5959
- 0904-7194
- 42571-250
- 42571-251
- 42571-252
- 50268-185
- 51407-373
- 51655-317
- 51655-710
- 51655-964
- 55700-761
- 60760-487
- 60760-827
- 60760-828
- 62135-764
- 62135-765
- 62135-766
- 63187-127
- 63187-141
- 63187-247
- 63304-692
- 63304-693

And 69 more, listed on the interactive page.

## Evidence counts

**Recorded assays**

151

**Active assays**

0

## Pharmacologic actions

- Anti-Bacterial Agents  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D000900.html)
- Protein Synthesis Inhibitors  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D011500.html)

## Related records

### Trials (133)

- A Clinical Study Evaluating the Safety and Efficacy of IDP-110 in Patients With Acne Vulgaris
- A Clinical Study to Evaluate the Safety and Effectiveness of an Investigational Product Called CT Gel
- A Clinical Trial Evaluating the Safety and Efficacy of IDP-110 in Patients With Acne Vulgaris
- A Comparative Study of the Tolerability of Two Combination Therapies for the Treatment of Acne
- A Phase 4, Single-Blind, Randomized, Study to Compare the Tolerability and Efficacy of 0.1% Tazorac Cream When Used in Combination With Either Duac Gel or Acanya Gel for the Treatment of Facial Acne Vulgaris
- A Phase III Comparative Study of Dapsone / Trimethoprim and Clindamycin / Primaquine Versus Sulfamethoxazole / Trimethoprim in the Treatment of Mild-to-Moderate PCP in Patients With AIDS
- A Pilot Study of Oral Clindamycin and Pyrimethamine for the Treatment of Toxoplasmic Encephalitis in Patients With AIDS
- A Pilot, Multi-Center, Patient Preference Study Comparing Two Clindamycin/Benzoyl Peroxide Gels.
- A Randomized, Controlled Trial of the Effectiveness of Perioperative Antibiotics for Reduction of Burn Wound Bacterial Concentration Following Grafting
- A Study CLBG and Benzoyl Peroxide Gel 1%/5% to BenzaClin® Gel in the Treatment of Acne Vulgaris
- A Study Comparing Aczone® Plus Differin® Versus Duac® Plus Differin® in Patients With Severe Facial Acne
- A Study Comparing Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel to Duac® Topical Gel in the Treatment of Acne Vulgaris
- A Study Comparing Clindamycin and Benzoyl Peroxide Gel 1.2%/3.75% to Onexton™ Gel in the Treatment of Acne Vulgaris
- A Study to Compare the Efficacy and Safety of a Combination of Ketoconazole and Clindamycin Compared to Tetracycline/Amphotericin B Combination Cream for the Treatment of Bacterial Vaginosis and Vaginal Candidiasis (P08077)
- A Study to Evaluate the Efficacy and Safety of Adapalene-Clindamycin Combination Gel in the Treatment of Acne Vulgaris
- A Study to Evaluate Tolerability of Two Topical Drug Products in the Treatment of Facial Acne
- Adherence to Study Medication Compared to Generic Topical Clindamycin Plus Generic Topical Tretinoin in Subjects With Mild to Moderate Acne Vulgaris
- Adjunctive Clindamycin for Cellulitis: C4C Trial.
- Adjunctive Clindamycin for the Treatment of Skin and Soft Tissue Infections, a Randomized Controlled Trial
- Adjunctive Clindamycin Versus Linezolid for β-lactam Treated Patients With Invasive Group A Streptococcal Infections

### Approved for (1)

- [Pneumonia](https://trialight.com/data/condition/pneumonia-d2f12d4d-57c5-5c54-881e-1efe392849eb.md)

### In development for (2)

- [Acne](https://trialight.com/data/condition/acne-02478aa3-966b-5ffb-a257-6dbe85c14e58.md) Phase 1
- Osteomyelitis Early phase 1

---

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