Skip to content

Comparison of Efficacy of Quetiapine Alone versus Quetiapine plus Lamotrigine in the Treatment of Depressive episode of Bipolar I and II Disorder

Comparison of Efficacy of Quetiapine Alone versus Quetiapine plus Lamotrigine in the Treatment of Depressive episode of Bipolar I and II Disorder

Status
Unknown
Phases
Phase 1
Study type
Interventional
Source
TCTR
Registry ID
TCTR20230712005
Enrollment
166
Registered
2023-07-12
Start date
2023-07-31
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bipolar depression Bipolar depression

Interventions

Quetiapine,Quetiapine plus Lamotrigine
Active Comparator Drug,Active Comparator Drug

Sponsors

university of health sciences, lahore
Lead Sponsor

Eligibility

Sex/Gender
All
Age
16 Years to 45 Years

Inclusion criteria

Inclusion criteria: Male or female patient age 16 to 45 years. Patient of bipolar I or II disorder. The patients experiencing an episode of depression at the time of enrollment with a total score on the QIDS-SR16 score of more than or equal to 11.

Exclusion criteria

Exclusion criteria: Patients who are rapid cyclers with more than four manic/hypomanic or depressive episodes within 12 months of the baseline evaluation. Patients with a score greater than 12 on the Young Mania Rating Scale (YMRS). Women who are pregnant, planning to conceive, or breastfeeding. All other women of child-bearing potential are eligible only if they have a negative pregnancy test at screening and agree to use an effective contraceptive method. Patients who have a history of serious adverse reaction to the research medication. Patients with prior exposure to Quetiapine or Lamotrigine within the last 2 months. Patients with acute active suicidal ideation, recent suicide attempts, diagnosis of autism, mental retardation, or concurrent seizure disorders. Patients with a history of substance abuse or dependency within the last 2 months. Patients who have taken fluoxetine within 2 weeks of randomization, due to the long half-life of this medication. Patients who have taken valproate, carbamazepine, or phenytoin within 3 days of randomization, to avoid potential drug interactions. Patients with co-morbid medical conditions such as diabetes, renal, hepatic, or cardiac problems.

Design outcomes

Primary

MeasureTime frame
Depressive Symptomatology - Self-Report 16 will be measured after 4 weeks, 8 weeks, and 12 weeks of initiation of treatment questionnaire/ scoring system

Secondary

MeasureTime frame
Adverse effects will be measured after 4 weeks, 8 weeks, and 12 weeks of initiation of treatment Binary method (YES/NO)

Countries

Pakistan

Contacts

Public ContactHuma Kanwal

Postgraduate medical institute lahore

irfanravian51@gmail.com00923317636200

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026