| Literature DB >> 34041184 |
Jaykaran Charan1, Deepak Saxena2, Mayur Chaudhri3, Siddhartha Dutta1, Rimple Jeet Kaur4, Pankaj Bhardwaj5.
Abstract
BACKGROUND: Generics are low-cost alternatives of the existing approved branded drugs. The aim of this work was to study knowledge and perception about generic drugs among the doctors practicing in government and private healthcare sectors.Entities:
Keywords: Doctors; generic drugs; healthcare; perception; primary care physicians
Year: 2021 PMID: 34041184 PMCID: PMC8140226 DOI: 10.4103/jfmpc.jfmpc_2157_20
Source DB: PubMed Journal: J Family Med Prim Care ISSN: 2249-4863
Socio demographical characteristics of the primary care physicians
| Parameters | Frequency (%) |
|---|---|
| Place of Work | |
| Primary Health Centre | 24 (10) |
| Community Health Centre | 14 (5.8) |
| District Hospital | 6 (2.5) |
| Tertiary Health Centre | 69 (28.8) |
| Private Practice | 99 (41.3) |
| NGO/Trust | 10 (4.2) |
| Others | 18 (7.5) |
| Gender | |
| Male | 156 (65) |
| Female | 84 (35) |
| Educational Qualification | |
| MD | 29 (12.1) |
| MBBS | 160 (66.7) |
| BAMS | 5 (2.1) |
| BHMS | 11 (4.6) |
| Others | 35 (14.6) |
| Age (Years) | |
| <30 | 97 (40.4) |
| 30-60 | 108 (45) |
| >60 | 35 (14.6) |
| Experience in years ( | |
| <10 | 107 (54.9) |
| 10-30 | 74 (37.9) |
| >30 | 14 (7.2) |
n=Number of physicians, Values in parenthesis are percentages
Knowledge of Generics survey questionnaire
| Questions | Frequency (Percentages) |
|---|---|
| Definition of Generic Drugs ( | |
| Drugs prescribed with actual name of drug | 67 (32.5) |
| Drugs with equal efficacy/same content | 45 (21.8) |
| Less costly version of brand | 65 (31.6) |
| Copy of brand | 5 (2.4) |
| Drugs require less research | 1 (0.5) |
| Bioequivalent to brand | 10 (4.9) |
| Substandard drugs/Inferior quality drugs | 4 (2) |
| Drugs prescribed with chemical name | 3 (1.5) |
| Generics are ( | |
| Bioequivalent to branded medicines | 16 (6.9) |
| A less expensive version of branded medicines | 20 (8.6) |
| Of equivalent quality and efficacy of as of branded medicines | 28 (12.1) |
| Less costly than the brand medicine | 48 (20.7) |
| Others | 4 (1.7) |
| 1 & 2 | 3 (1.3) |
| 2 & 4 | 21 (9.1) |
| 1 & 4 | 16 (6.9) |
| 1 & 3 | 4 (1.7) |
| 3 & 4 | 19 (8.2) |
| 2 & 3 | 2 (0.9) |
| 1 & 2 & 4 | 8 (3.4) |
| 1 & 3 & 4 | 8 (3.4) |
| 2 & 3 & 4 | 5 (2.2) |
| 1 & 2 & 3 | 1 (0.4) |
| 1 & 2 & 3 & 4 | 27 (11.6) |
| 1 & 2 & 3 & 4 & 5 | 2 (0.9) |
n=Number of physicians
Knowledge of generics survey questionnaire
| Questions | Response | Frequency (Percentages) |
|---|---|---|
| Do you know MCI advisory regarding prescription of generic drugs in India? ( | Yes | 205 (86.5) |
| No | 32 (13.5) | |
| Generic drug are usually intended to be interchangeable with an innovator drug. ( | Yes | 54 (22.8) |
| No | 136 (57.4) | |
| Don’t know | 47 (19.8) | |
| Generic drug can only be marketed after the expiry date of the patent of innovator. ( | Yes | 62 (26.4) |
| No | 81 (34.5) | |
| Don’t know | 92 (39.1) | |
| Generic drug contains the same active substance (s) as the innovator medicine, and it is used at the same dose (s) to treat the same disease (s) as the innovator medicine. ( | Yes | 161 (67.6) |
| No | 20 (8.4) | |
| Don’t know | 57 (23.9) | |
| Generic drug manufacturer need to repeat the preclinical and clinical studies required for originator medicine. ( | Yes | 88 (37.1) |
| No | 63 (26.6) | |
| Don’t know | 86 (36.3) | |
| Generic drug manufacturer need to conduct bioequivalence studies to demonstrate equivalence between the generic medicine and the innovator medicine. ( | Yes | 126 (53.4) |
| No | 37 (15.7) | |
| Don’t know | 73 (30.9) | |
| Indian Medical Council Act (Professional conduct, Etiquette and Ethics) regulations, 2002 states that every physician should, as far as possible, prescribe generic drugs. Are you aware about it? ( | Yes | 182 (76.8) |
| No | 11 (4.6) | |
| Don’t know | 44 (18.6) | |
| Are you aware of regarding the scheme of Government of India called Jan Aushadhi whose purpose is to set up generic drug stores around the country? ( | Yes | 188 (79.3) |
| No | 23 (9.7) | |
| Don’t know | 26 (11) |
n=Number of physicians
Perception questionnaire regarding generics
| Questions | Response | Frequency (Percentages) |
|---|---|---|
| Do you think doctors should prescribe generic drugs only | Strongly Agree | 43 (17.9) |
| Agree | 94 (39.2) | |
| Neutral | 55 (22.9) | |
| Disagree | 36 (15) | |
| Strongly Disagree | 12 (5) | |
| If strongly agree/agree mention the reasons ( | Low cost | 88 (75.2) |
| If patient demands | 3 (2.6) | |
| As efficacious as brand | 17 (14.5) | |
| Easy to remember | 2 (1.7) | |
| Easily available | 1 (0.9) | |
| Bioequivalent with brand | 2 (1.7) | |
| Safe | 4 (3.4) | |
| If Strongly disagree/disagree mention the reasons ( | No bioequivalence with brand | 4 (8.9) |
| Substandard | 11 (24.4) | |
| Non availability | 2 (4.4) | |
| Less effective | 16 (35.6) | |
| Not safe | 1 (2.2) | |
| Patient do not want | 2 (4) | |
| Others | 9 (20) |
n=Number of physicians
Perception questionnaire regarding generics
| Questions | Response | Frequency (Percentages) |
|---|---|---|
| Do you think Pharmacist should have permission to substitute brand by generics? ( | Strongly agree | 26 (10.9) |
| Agree | 79 (33.1) | |
| Neutral | 66 (27.6) | |
| Disagree | 49 (20.5) | |
| Strongly disagree | 19 (7.9) | |
| If strongly agree/agree mention the reasons ( | Patients will get cheap drugs | 44 (48.4) |
| As generics has same effect as brand | 14 (15.4) | |
| It will promote use of generic drugs | 2 (2.2) | |
| Only if patient demands | 6 (6.6) | |
| Easily available | 13 (14.3) | |
| Only if pharmacist knowledgeable | 7 (7.7) | |
| Others | 5 (5.5) | |
| If Strongly disagree/disagree mention the reasons ( | No bioequivalence with generics | 1 (1.8) |
| Pharmacists less knowledgeable | 18 (32.7) | |
| Pharmacist may dispense substandard drug | 4 (7.3) | |
| Pharmacist may dispense irrational combination | 1 (1.8) | |
| Pharmacist may prescribe overpriced drug | 11 (20) | |
| Pharmacist has no legal right to substitute | 11 (20) | |
| Pharmacist may dispense less efficacious drug | 6 (10.9) | |
| Many pharmacy stores run by unqualified people | 1 (1.8) | |
| Others | 2 (3.6) |
n=Number of physicians
Perception questionnaire regarding generics
| Questions | Response | Frequency (%) |
|---|---|---|
| Do you think patients will be ready to accept generic substitutions in place of brand drug? ( | Yes | 181 (76.1) |
| No | 57 (23.9) | |
| I believe that generic medicines are as effective as brand. ( | Disagree strongly | 27 (11.3) |
| Disagree somewhat | 30 (12.6) | |
| Neither agree not disagree | 36 (15.1) | |
| Agree somewhat | 95 (39.9) | |
| Agree strongly | 50 (21) | |
| Generic drugs are an important tool for overall health expenditure. ( | Yes | 208 (87.8) |
| No | 10 (4.2) | |
| Don’t know | 19 (8) | |
| I am concerned about the quality of generic drugs. ( | Disagree strongly | 26 (10.9) |
| Disagree somewhat | 42 (17.6) | |
| Neither agree not disagree | 48 (20.2) | |
| Agree somewhat | 60 (25.2) | |
| Agree strongly | 62 (26.1) | |
| What is your opinion regarding efficacy of generic drugs? ( | Very High | 18 (7.8) |
| High | 85 (36.8) | |
| Moderate | 101 (43.7) | |
| Low | 27 (11.7) | |
| What is your opinion regarding safety of generic drugs? ( | Very High | 19 (8.1) |
| High | 91 (38.7) | |
| Moderate | 100 (42.6) | |
| Low | 25 (10.6) | |
| What is your opinion regarding cost of generic drugs? ( | Very High | 10 (4.3) |
| High | 12 (5.2) | |
| Moderate | 42 (18.1) | |
| Low | 168 (72.4) |
n=Number of physicians
Practice questionnaire regarding generics
| Questions | Responses | Frequency (%) |
|---|---|---|
| How often you inform patients about availability of generic drugs for the brand name prescribed by you. ( | Never | 24 (10.1) |
| Rarely | 26 (10.9) | |
| Sometimes | 83 (34.9) | |
| Often | 88 (37) | |
| Always | 17 (7.1) | |
| When buying drugs for yourself you typically choose ( | Generic | 109 (45.6) |
| Brand | 115 (48.1) | |
| Either of two depend on clinical condition | 15 (6.3) | |
| When advising my family, I recommend they use generics first. ( | Disagree strongly | 39 (16.4) |
| Disagree somewhat | 33 (13.9) | |
| Neither agree not disagree | 46 (19.3) | |
| Agree somewhat | 78 (32.8) | |
| Agree strongly | 42 (17.6) | |
| I myself take generic drug for any disease. ( | Disagree strongly | 44 (18.5) |
| Disagree somewhat | 41 (17.2) | |
| Neither agree not disagree | 43 (18.1) | |
| Agree somewhat | 61 (25.6) | |
| Agree strongly | 49 (20.6) |
n=Number of physicians
Factors affecting the opinion of the primary care physicians that physicians should prescribe only generic drugs
| Parameters | OR | 95% CI | |
|---|---|---|---|
| Place of Work | |||
| Primary Health Centre | |||
| Community Health Centre | 10.45 | 1.02-106.5 | 0.048* |
| District Hospital | 0.75 | 0.10-5.43 | 0.778 |
| Tertiary Health Centre | 1.29 | 0.39-4.23 | 0.675 |
| Private Practice | 0.40 | 0.12-1.29 | 0.126 |
| NGO/Trust | 1.63 | 0.28-9.21 | 0.582 |
| Others | 2.18 | 0.49-9.73 | 0.307 |
| Gender | |||
| Male | |||
| Female | 1.36 | 0.64-2.90 | 0.420 |
| Educational Qualification | |||
| MD | |||
| MBBS | 0.99 | 0.40-2.46 | 0.993 |
| BAMS | 0.96 | 0.12-7.41 | 0.778 |
| BHMS | 1.37 | 0.27-7.00 | 0.703 |
| Others | 0.31 | 0.09-1.01 | 0.054 |
| Age (Years) | |||
| <30 | 1 | ||
| 30-60 | 2.23 | 0.91-5.46 | 0.079 |
| >60 | 2.35 | 0.56-9.83 | 0.240 |
| Experience in years ( | |||
| <10 | |||
| 10-30 | 0.741 | 0.31-1.75 | |
| >30 | 0.609 | 0.11-3.28 | 0.564 |
*P<0.05, significant
Factors affecting the opinion of the primary care physicians that the pharmacists should have right to substitute brand with generics
| Parameters | OR | 95% CI of OR | |
|---|---|---|---|
| Place of Work | |||
| Primary Health Centre | |||
| Community Health Centre | 2.44 | 0.47-12.70 | 0.289 |
| District Hospital | 1.66 | 0.20-13.34 | 0.634 |
| Tertiary Health Centre | 0.83 | 0.26-2.68 | 0.759 |
| Private Practice | 0.27 | 0.08-0.88 | 0.030* |
| NGO/Trust | 0.69 | 0.13-3.54 | 0.655 |
| Others | 0.85 | 0.20-3.52 | 0.962 |
| Gender | |||
| Male | |||
| Female | 0.98 | 0.47-2.03 | 0.962 |
| Educational Qualification | |||
| MD | |||
| MBBS | 0.55 | 0.21-1.40 | 0.211 |
| BAMS | 0.91 | 0.10-8.09 | 0.935 |
| BHMS | 1.03 | 0.20-5.16 | 0.968 |
| Others | 0.70 | 0.23-2.18 | 0.546 |
| Age (Years) | |||
| <30 | |||
| 30-60 | 2.07 | 0.87-4.94 | 0.102 |
| >60 | 0.742 | 0.16-3.41 | 0.701 |
| Experience in years ( | |||
| <10 | |||
| 10-30 | 0.73 | 0.31-1.70 | 0.466 |
| >30 | 0.84 | 0.12-5.80 | 0.858 |
*P<0.05, significant